? Electrolyzers store EUs when placed adjacent to an energy storage block by converting (regular) water cells into electrolyzed water cells and vice versa. All have a silica content under 45%. Most lava flow is mafic or basaltic. They cannot travel as fast as a`a because pahoehoe lavas form from eruptions that slowly extrude lava onto the surface. 4, the summit of the volcano. The two recipes for Generator were. 8. Shift+Right. Some items, like the Empty Cell, can also only be made using the Metal Former as of Minecraft 1. It will also output 512 EU/t through its dotted side, that will cause. g. The Blast Furnace is a heat based machine using solely for the creation of Steel. Another feature of the Induction Furnace is its ability to build up heat. IC2: { { {id}}} The Pump is a tier 1 machine capable of pumping liquids into an Universal Fluid Cell . Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock. 3. Energy Units (EU) are a type of energy API in modded Minecraft. It is the most basic machine for electrical generation that can be upgraded. One potential observable proxy for eruption rates is flood basalt lava-flow lobe thicknesses, a topic that we tackle here quantitatively. a hot, glowing lava fountain. Aa lava has a prickly texture; pahoehoe has a smooth, ropy texture. The Pump can be used on its own or be placed next to a Miner to pump water and lava encountered while mining. The Iron Furnace is 25% more fuel efficient than the vanilla Furnace, and also 20% faster. It is used as the standard fuel for the Nuclear Reactor. D. They cannot travel as fast as a`a because pahoehoe lavas form from eruptions that slowly extrude lava onto the surface. Inflated pahoehoe sheet flows have a distinctive horizontal upper surface, which can be several hundred meters across, and are bounded to steep monoclinal uplifts. May 12, 2023. It offers machines that can double ore output and generate power, as well as nuclear power and quantum armor. Often, a single lava flow. Also, pahoehoe lava is made by cooling regular lava, not heating it, and it would make more sense for it not to harden at all in the Nether. This is a community article originally created by ShneekyTheLost. 32 EU/t. volcanic mudflows D. Iridium Ore can be made in a Fusion Reactor by using Lithium Cell and Wolframium Cell. known by the Hawaiian names pahoehoe and aa (or a’a). Kinetic energy use. Pronunciation of pahoehoe with 3 audio pronunciations, 1 synonym, 1 meaning, 3 translations and more for pahoehoe. Sorry for my english. Quote; Requia. Type : Item Stackable : Yes (64) The Slag is a resource from IndustrialCraft 2. The liquid lava flowing beneath a thin, still-plastic crust drags and wrinkles it into tapestry-like folds and rolls resembling twisted rope. The HV-Transformer is used to turn Extreme Voltage (EV) EU current into High Voltage (HV) and back. A lava flow field formed during the 2018 eruption of Kīlauea in Hawai’i Volcanoes National Park. IC2 Experimental builds. Once a liquid has been sucked up, it can be pumped out directly to an adjacent machine or Pipe using the Fluid Ejector Upgrade. Español: Flujo de lava de Pāhoehoe en La Isla Grande de Hawái debido a. At one time, it was a boiling sea of volcanoes covering the land with thick layers of. This mod is considered to be. 222, the Electric Wrench had two modes, toggled by holding down. P-Type lava is dense and breaks out on inflated flows and tumuli and is equivalent. Aa lava (pronounced ah-ah) has a rough, jagged surface due to the gas explosions tearing apart the external crust. The Electrolyzer is a block that can turn Water Cells into Electrolyzed Water Cells and vice versa when placed next to an energy storage block. IndustrialCraft 2. Unlike pahoehoe, documentation of true a′a lavas from a modern volcanological perspective is a relatively recent phenomenon in the Deccan Trap (e. Pahoehoe is a Hawaiian term for basaltic lava that has a smooth, hummocky, or ropy surface. The Walkthrough. ID. 7*1. The generator accepts Biogas Cells and returns Empty Cells and generates 16,000 EU per 1000 mB. This HiRISE image shows a classic example of platy-ridged lava. IC2:reactorHeatSwitch:1. Pahoehoe lava flows are characterized by smooth, gently undulating, or broadly hummocky surfaces. Lava Cells can be used in Geothermal Generators, Generators and Thermal Generators to produce EU. The final slot under the Lathing Tool is for. 열 교환기에서 용암을 넣고 HU를 얻으면서 만들 수 있다. There can be tremendous differences in the viscosity (thickness), temperature and chemical composition of lava. Not quite there yet. 12 8 = 248% times the EU. We examine the morphology and chemistry of the Vikrahraun basaltic eruption emplaced at Askja Volcano, Iceland, from Oct. 3, the flanks of the volcano E. It consists of 4 major lava flows each composed of numerous, decimeter to kilometer long pahoehoe lobes. Areas of the lava flow fields are between ∼32 and ∼61 km 2, with individual flow field volumes estimated between ∼0. The Gregtech Large Heat Exchanger takes lava or IC2 hot coolant and distilled water and converts it into either steam or superheated steam depending on the amount and type of fluid supplied. g. The LV-Transformer will take packets of up to 128 EU/p at 128 EU/t and then output them as 32 EU/p (LV) at a rate of 128 EU/t. 9. Biomass • Biogas • Distilled Water • Coolant • Hot Coolant • Pahoehoe Lava • Construction. Biogas can be obtained by fermenting Biomass in a Fermenter. All you can see is rumbling lava, with a precarious path winding through it. Pahoehoe lava flows are generally basaltic in composition and have a smooth, ropy texture whereas Aa lava flows are also generally basaltic in composition and have a jagged, angular, blocky texture. Part of Hall of Planet Earth. Required Tool. One of the first to be published was likely the nine-class, Italian-language description. IC², the future of IC. Pahoehoe lava flows form from very fluid basaltic lava, and have characteristic smooth, billowing, or ropey crusts of quenched glass over more crystalline flow interiors (Williams and McBirney, 1979). 3. The Wrench is a basic tool added by IndustrialCraft 2, which can rotate and safely dismantle IC2 machines. It can be combined at a Crafting Table in various arrangements to make new materials. -A close-up view of a portion of a tubular abyssal pillow in the. However, once you get your machines running, you will quickly notice how smooth and well-designed everything works now. The most efficient Superheated Steam setting is at 221 bars of pressure, as it takes 200 hU per 100 mb/t of Superheated Steam produced. 222, wrench failure has been removed, so the Electric Wrench no longer has an alternate mode to toggle. The smooth surface makes a sharp contrast to blocky 'a'aflows, Hawaii's other common lava flow type. Almost any item can be recycled to Scrap, except for those listed in the recycling blacklist in the IndustrialCraft 2 config file. Kinetic Generator (IndustrialCraft 2) has no known uses in crafting. As the Induction Furnace operates, it builds up heat, which makes it smelt faster and use less EU per operation. 0 1. Recipe IC2 experimental Description Crossed out text only applies to Minecraft version 1. Needs water and Bio Chaff. The main tube forks and reforks and the lava is conducted without much loss of heat to the. Each toe is usually <30 cm thick, 1-2 m long, and 30-50 cm wide. 2 EU/t. 3 EU/t. Abstract Pahoehoe lava flows are common in every basaltic province, and their submarine variants, pillow lavas and sheet flows, cover the bulk of the Earth. E2:ES - Pahoehoe lava. The first and most obvious difference is that pahoehoe flows are smooth down to a scale of a few mm. In this chart, block penetration is based on smoothstone and dirt. The Metal Former is a machine added by IndustrialCraft 2. The Geothermal Generator uses Lava to generate EU; it will take Cans, Tanks of any type, Cells, or Buckets. It will apply radiation to anyone nearby when it detonates. A nuclear reactor is a multiblock structure that is used to generate power for the IndustrialCraft 2 mod. v · d · e IndustrialCraft² Stuff. The Crop is shown ingame as four wooden stilts that can only be placed on tilled dirt. Copper Cables are tier 2, and are capable of handling up to 128 EUp (medium voltage), losing 1 EU every 5 blocks. An ideal slab pahoehoe flow is clearly distinguished from both pahoehoe and rubbly pahoehoe but is difficult to distinguish from an aa flow. Basalt can form many different types of geological. the Hawaiian names pahoehoe and aa (or a’a). g. There are three types of basalt lava flows: pillow, pahoehoe, and a'a. I’m not very familiar with ic2. An Electrolyzer must be placed with a Tank above and below to hold the liquids and gasses from electrolysis. Pahoehoe lava covering nearby Route 137. Photo taken in 2021 when steam was visible. Solar Panels are generators that utilize the energy of the Sun to generate EU and thus require an unobstructed view of the sky (you can place glass over it). You can plant Wheat, Watermelon, Pumpkin, Reeds, Yellow Flowers, and Roses in the crop block. 有人把Pahoehoe Lava这个流体进行机翻翻译为了条状熔岩，老版本翻译为熔岩岩浆，希望得到修正a. a hot, glowing lava fountain. You also get pahoehoe lava out of it, which is pretty much an infinite source of copper, tin. Instead of consisting of only 1-2 large flow units, a pahoehoe flow consists of thousands on thousands of small flow units called toes. Pahoehoe has a smooth wavy surface that resembles twisted rope. Construction Foam Walls cannot be crafted-- they can only be created by spraying Construction Foam on Wooden Scaffolds with a CF Sprayer and waiting for it to solidify. Pahoehoe will flow over a larger area for the same volume of lava erupted with a typical 1-1000 km 2 coverage due to the insulation and efficient lava distribution downstream via lava tubes. Pāhoehoe. The basalt lava flows are typically 1100 to 1200 degrees Centigrade when they flow out of a volcano vent. The fermenting speed is greatly affected by the heat generator used. Recipe []. EU - Energy Unit is the measure of energy used by IC2. Cacti: Can now be burned in any furnace for 50 fuel points. A pahoehoe flow typically advances as a series of small lobes and toes that continually break out from a cooled crust. The Kinetic Generator is a machine added by IndustrialCraft 2, used to convert kU into EU. Component. This transformation is useful for carrying EU over extreme distances without significant losses. It is. When turned on it will lose energy while inflicting heavy damage. Fixed NotEnoughItems compatibility. Figure (PageIndex{1}): Blocky a’a lava. This means that they cannot work underground,. 4, the summit of the volcano. The BatBox is a Tier 1 energy storage unit from IndustrialCraft 2 that stores EU. The Nano Saber is a weapon added by IndustrialCraft 2. The main hazard that Mount Rainier poses to Tacoma and its suburbs is: A. Scrap is a resource from IndustrialCraft 2 made in a Recycler. The smoother pahoehoe lava can turn into a’a lava as it gets further downhill. Pahoehoe Lava is a fluid; a type of lava-flow characterized by the smooth, billowy surface. The Biofuel Cell is an item added by IndustrialCraft 2. This is a community article originally created by ShneekyTheLost. Constraining the eruption rates of flood basalt lava flows remains a significant challenge despite decades of work. Flammable. A’a lava flows are denser and more viscous then pahoehoe, and tend to move slower. The Geothermal Generator outputs 20 EU/mB. The fuel will be emptied into the internal tank (center) if possible and the empty container will be moved to the. The two recipes for Generator were. The inflated sheet flows studied ranged from 1 to 5 m in thickness, but initially propagated as thin sheets of fluid pahoehoe lava, generally 20-30 cm thick. Close-up photo of an active pahoehoe toe. The Miner will consume the pipes to dig down extracting ore it finds in its scan range. dome collapse that forms volcanic breccia. Kinetic Generator (IndustrialCraft 2) has no known uses in crafting. Players are able to break the foam easily before it hardens, but broken foam cannot be harvested. With a full complement of 10 heat conductors, that combination can produce 50 EU/t instead of just 20 EU/t. In this study, we provide the first global compilation of pāhoehoe lava-lobe thicknesses from various continental flood basalt provinces (∼. Most machines will accept power from a wire on all 6 sides, but you (usually) only need one input. The full Hazmat set will protect against most environmental dangers. Divide by 10 if using a normal Generator instead. 1. By default, Construction Foam Walls are grey, however, they can easily be recolored with a Painter. Pahoehoe lava is a relatively smooth lava flow that can be billowy or ropey. It is a Hawaiian word that literally means “smooth. This type of lava is called pahoehoe. Set the Fermenter to eject the Biogas to the Semifluid Generator. Time: 24 hours. Lava Cells can be made simply by right-clicking on lava whilst holding an Empty Cell. You can also burn it in a Gas Turbine Generator from Advanced Generator for 128RF/mb, this has the advantage that you can apply. The Semifluid Generator is a machine added by IndustrialCraft 2. 100+ EU. IC2 Experimental builds. The inflated sheet flows studied ranged from 1 to 5 m in thickness, but initially propagated as thin sheets of fluid pahoehoe lava, generally 20-30 cm thick. com The Liquid Heat Exchanger uses almost 10 buckets of Lava providing heat to produce 20 Refined Iron in a Blast Furnace. The three types of lava flow are pahoehoe, a’a, and pillow lava. E2:ES - Pahoehoe lava. 3. Location. The lava of an advancing pahoehoe flow front is relatively vesicle-rich (although less gas-rich than near-vent "shelly" pahoehoe). d. 公式wikiを参考にしてこの解説は作っています. The Blast Furnace is a machine added by IndustrialCraft 2. It is generally used to shield Nuclear Reactors to avoid large-scale destruction in case of an explosion. If cooling is insufficient, the reactor will gradually overheat and eventually explode. . Pahoehoe Lava is a fluid; a type of lava-flow characterized by the smooth, billowy surface. Make seed oil in the squeezer (put seeds in and turn on the clockwork engine) Make a slime sling and slime boots. Pahoehoe lava is a term used by Hawaiian to describe lava flows with a smooth unbroken surface. The Advanced Miner is a machine added by IndustrialCraft 2. 7%) [2]. To run, it must be given a source of heat, such as being placed adjacently to an Electric Heater . Without their work, modifying Minecraft would be MUCH more complicated and time-consuming. 90. パホイホイ溶岩（ハワイ・キラウエア火山） 固化しながら縄状構造を形作るパホイホイ溶岩（ハワイ・キラウエア火山） パホイホイ溶岩（パホイホイようがん、英: pahoehoe lava ）は、表面の形態で分類した溶岩流の一種。 ハワイ語に由来する地球科学の専門用語で、語源であるハワイ語の. Here in Hawai`i, they may endanger property but seldom endanger people's lives. 4 and above; Tin Cable: Metal Former. Using a Condenser is faster, but requires Steam in order to do so. g. An Electrolyzed Water Cell can store 20,000 EU, but there will always be a loss of energy when discharging. Rolling is mainly for making Plates and Item Casings, while Cutting and Extruding are mainly for making. Most machines will accept power from a wire on all 6 sides, but you (usually) only need one input. Pahoehoe lava flows are characterized by smooth, gently undulating, or broadly hummocky surfaces. volcanic mudflows D. Indestructability state can be ignored by other mods. Pahoehoe lava cooler. 1 Recipe [1] 1. Bronze. ). numerous small but deadly pyroclastic flows C. For other uses, see Coil. We determine that while the eruption is chemically homogenous (Fe/Mg = 1. Source. A crafting and processing resource. Fluid Coolant is also a key component of energy production in the Fluid Reactor, where it is heated into Hot Coolant by the reactor and cooled by a Liquid Heat Exchanger . In pahoehoe flows volatile. When lava flows return to lower reaches of the volcano, the first flows tend to be a'a as lava cools as it passes over cool ground. IC2:itemIngot:3. It is extremely powerful, but also extremely expensive, having Iridium Plates as one of its components. The Fuel Rod (Uranium) is an item added by IndustrialCraft 2. The amount of Kinetic Units (kU) which is produced, depends on the wind strength (Minecraft Wind) and the type of rotor, which must be placed in the GUI. a basaltic type known as pahoehoe. Type. Take your excess plant matter and run it through your Macerator in the necessary quantity (typically 4 to 16 of each item, depending on what it is) to produce Bio Chaff . Biogas is a fluid/gas added by the IndustrialCraft 2 mod. The two main types of textures created during effusive subaerial eruptions are pahoehoe and aa. The pellets will not get used up, making the RTG a source of infinite EU, similar to a Solar Panel. By running on electricity instead of burning fuel, it is able to shut off immediately upon finishing (and thus avoids wasting energy). Other lava hardens soon after it bursts from the ground; Kilauea’s lava remains hot enough to ooze forward, setting cars on fire. Experimental-Only Content: This information has been updated to the V2. 1-2: This magnificent sample is a slab of a fresh pahoehoe flow, from Hawaii. Huh, I've been looking for a way to turn my lava into EU and this looks to be it. The Turning Table is a machine added by IndustrialCraft 2, used to modify the Iron Turning Blank and the Wooden Turning Blank. Less ticking blocks is always better. Pahoehoe Lava in IndustrialCraft² is a constant 1200°C and it can burn you. Added Compressed Air Cells, produced by compressing an Empty Cell and consumed by the Scuba Helmet to refill bubbles. 110 m thick,. Pahoehoe is smooth, a’a is rough, and pillow lava is rounded and only forms under water. Pahoehoe Lava's freezing point is actually very high (unlike water), so for simplicity it will always eventually cool into Basalt. EUs are 'produced' by generators, transmitted along cables, stored by mobile units like an RE Battery or by stationary units like a batbox, and 'consumed' by various IC2 machines. 0. IndustrialCraft 2. The name of the machine is "Electric Heater" in 1. The Electric Treetap is used by right-clicking a sap hole on a rubber tree (orange rectangle on the trunk), which will yield a small amount of Sticky Resin. E. A Backyard Brightens. The threat they pose is largely dependent on how the flow moves, which is in turn determined by the properties of the lava and the landscape. How does volcanic eruptions worldwide contribute to our current composition of the earth's atmospheren Mafic type lava flows: 1 Explain the differences between a basaltic Aa and basaltic Pahoehoe lava low in terms of highlow volatile content 2. you now have good mobility. No. So i've set up a stirling generator that outputs into a liquid heat exchanger that makes the pahoehoe lava for the Basalt for the Inscriber from IC2…. Lava: Explosion resistance changed from 500 to 30, this allows TNT and ITNT to destroy lava blocks. Exploring Inflated Pahohoe Lava Flow Morphologies and the Effects of Cooling Using a New Simulation Approach Pahoehoe lavas are recognized as an important landform on Earth, Mars and Io. A single Geothermal Generator can store 24 units of lava internally and another stack of 64 lava cells will wait. pahoehoe: 1 n freely flowing lava Type of: lava rock that in its molten form (as magma) issues from volcanos; lava is what magma is called when it reaches the surfaceIC2: { { {id}}} Crops are the result of planting an item in the crop block. It produces Energy Units (EU) from Biogas. If the viscosity of lava is higher, the surface may partially solidify as it flows. These are suitable for use in the Chernobyl-4 Nuclear Reactor, each capable of outputting incredible amounts of power!. Among pahoehoe lavas, applied stresses are small. g. Sorry for my english. Pahoehoe is a word in the Hawaiian language, describing the characteristic ropy texture of basalt flows whose physical properties and setting allow them to flow from the. Instead of consisting of only 1-2 large flow units, a pahoehoe flow consists of thousands on thousands of small flow units called toes. Posts 486. It does that no matter if I move around or stand still. Output Liquid. Water can be added to the Crop-Matron with Universal Fluid Cells, or pumped in directly. Flying is performed by holding down the jump key. ††All lava containers (e. • Distilled Water • Hotspring Water • IC2 Coolant • IC2 Hot Coolant • Pahoehoe Lava •. Energy. Rajarao et al. How to use pahoehoe in a sentence. Pillow lava Pillow lavas are volumetrically the most abundant type because they are erupted at mid-ocean ridges and because they make up the submarine portion of seamounts and large intraplate volcanoes, like the Hawaii-Emperor seamount chain. What is a good way to differentiate the differences between an Aa and pahoehoe flow? 3. The surface of Pahoehoe lava is usually smooth, undulant, or ropy (Figure ). Pāhoehoe lava flows are a major component of Hawaiian eruptive activity, and an important part of basaltic volcanism worldwide. 1. The Teleporter is a machine in IndustrialCraft 2 that is used to instantly transport players, animals, and mobs over a distance to another Teleporter. Max EU output. Lava flows are usually only 1-10 meters thick, but. 5% chance that each item recycled will produce Scrap. ) 2 metallic-grey facings, b. The Pump can be used on its own or be placed next to a Miner to pump water and lava encountered while mining. The liquid lava flowing beneath a thin, still-plastic crust drags and wrinkles it into tapestry-like folds. Pahoehoe might come from low-viscosity lava that flows easily into ropey strands. ID Name. The Metal Former has three modes: Rolling, Cutting, and Extruding. The Canning Machine is created with seven Tin Item Casings, one Electronic Circuit, and one Basic. . Hot coolant can be created by venting the heat from a nuclear reactor containing coolant in heat mode. The Roza Member represents a compound pahoehoe flood basalt lava flow field, with an area of ∼40,300 km 2 and a volume of ∼1300 km 3. The MFSU, also known as MFS Unit or Multi-Functional Storage Unit, is a device for storing IndustrialCraft 2 EU energy. The two main types of lava, pāhoehoe and ‘a. net. In recent years, pāhoehoe lava has destroyed homes and threatened parts of Hawai‘i with inundation and disruption. I believe you need a place for the heat to go for it to work. It is the type of flow most likely to produce lava tubes. Set yourself a base up in the nether, power yourself off the. The Steam Turbine is an item added by IndustrialCraft 2 and is required for operating the Steam Turbine (Block) . Indeed, Kilauea volcano has erupted continuously since 1983, its lava flows covering more than 100 square km (40 square miles) of land and adding more than 2 square km (0. A button inside the GUI will switch. Heat can be used to create Refined Iron ( Steel in v2. Categories. This is an endothermic reaction and consumes a considerable amount. In thick aa flows, the rubbly surface of loose clinkers and blocks hides a massive, relatively dense interior. Good stuff. Pahoehoe, ropy lava that forms as non-viscous lava, flows gently, forming a skin that gels and then wrinkles because of ongoing flow of the lava below the surface (Figure 4. Currently it has no other uses besides crafting. The three types of lava flow are pahoehoe, a’a, and pillow lava. It is much less hot and viscous (thick) than. Usage []. 3); in the modern abyssal environment these tubular forms are often partly buried in pelagic sediment, while FIG. Compare and contrast pahoehoe and aa lava flows. As the surface of a pāhoehoe lava flow cools, lava tubes can develop and transport lava beneath the flow surface. 1, the suburbs of Tacoma. Lava. Pahoehoe and aa lava flows not only differ superficially in surface textures but also fundamentally in their emplacement mechanism (Kilburn, 1993). Pahoehoe has a smooth wavy surface that resembles twisted rope. The temperature of lava is over. To we continue with our IC2 setup and get our Molecular Transformer up and running as well as automating out Pahoehoe lava production. Pahoehoe might come from low-viscosity lava that flows easily into ropey strands. It is much less hot and viscous (thick) than vanilla Lava. 12 o dipping stacked lava lobes with abundant cooling fractures, and occasional autobreccias. Even though pahoehoe lavas are hotter, they travel at speeds 10 times slower than a`a. Setup []. The eruption had three eruptive events, initiating with aʻa and followed by alternating aʻa and pahoehoe lava flow emplacement. Note: Some information on the mod may be inaccurate or outdated as it is currently undergoing major. Any item fed into the machine will be destroyed; there is a 12. Helmet ·. The liquid lava flowing beneath a thin, still-plastic crust drags and wrinkles it into tapestry-like folds and rolls resembling twisted. The unique texture of pahoehoe lava is due to the way it cools and solidifies. A pump used on its own will suck up liquid directly below itself; this is probably not useful for lava. Quando una colata pahoehoe incontra degli alberi, questi vengono avvolti dal flusso e spesso lasciano nella lava l'impronta del tronco simile a un pozzo cilindrico (lava tree molds). hot lava flows B. If cooling is insufficient, the reactor will gradually overheat and eventually explode. When volcanoes do produce lava flows. Pahoehoe flows are emplaced by inflation—the injection of molten lava underneath a solidified crust. This is the situation attending the image on the right. Emits Light. The Harrat Rahat lava flow fields studied extend up to 23 km from the source, and vary between 1–2 m and 12 m in thickness. Distilled Water can be obtained by two ways - using the Solar Distiller or using a Condenser. Recipe Set the Canning Machine to Fluid Enrich mode and connect a supply of water to it. Unlike the BuildCraft Quarry, it does not remove all of the stone in a given area, only that which is needed to access the ores. They must be placed like stairs. Hot coolant can then be ejected using the Reactor Fluid Port and piped into a Liquid Heat Exchanger together. Flammable. Share. 4. 6. Pāhoehoe lava flows are a major component of Hawaiian eruptive activity, and an important part of basaltic volcanism worldwide. A pump used on its own will suck up liquid directly below itself; this is probably not useful for lava. Lava. Volcanol. Good stuff. The main hazard that Mount Rainier poses to Tacoma and its suburbs is: A.