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  2. Lahar - Wikipedia

    en.wikipedia.org/wiki/Lahar

    Lahars caused most of the deaths of the 1991 eruption of Mount Pinatubo. The initial eruption killed six people, but the lahars killed more than 1500. The eye of Typhoon Yunya passed over the volcano during its eruption on 15 June 1991, and the resulting rain triggered the flow of volcanic ash, boulders, and water down rivers surrounding the ...

  3. Eastern Ruapehu Lahar Alarm and Warning System - Wikipedia

    en.wikipedia.org/wiki/Eastern_Ruapehu_Lahar...

    The ERLAWS system activated at 10:47am and worked as planned. Scientists estimate that 1.29 million cubic metres (1.29 billion litres) of sulphur and water went down the Whangaehu Valley, [3] leaving 8.9 million cubic metres in the crater lake. This lahar was at least 50% larger than the 1953 lahar that caused the Tangiwai disaster.

  4. Mount Rainier Volcano Lahar Warning System - Wikipedia

    en.wikipedia.org/wiki/Mount_Rainier_Volcano...

    The Puyallup River Valley is at greatest risk. Tens of thousands of people live in areas that may have as little as 40 minutes to as much as three hours to move to safety once a large lahar is detected, so the system is robust, warnings are disseminated promptly and widely, and people in harm's way are taught how to respond to the warnings and ...

  5. Volcanic tsunami - Wikipedia

    en.wikipedia.org/wiki/Volcanic_tsunami

    A wide variety of volcanic processes can produce tsunamis. This includes volcanic earthquakes, caldera collapse, explosive submarine eruptions, the effects of pyroclastic flows and lahars on water, base surges with accompanying shock waves, lava avalanching into the sea, air waves from explosive subaerial eruptions, avalanches of cold rock, and avalanches of hot material. [1]

  6. TITAN2D - Wikipedia

    en.wikipedia.org/wiki/TITAN2D

    The code is designed to help scientists and civil protection authorities assess the risk of, and mitigate, hazards due to dry debris flows and avalanches. TITAN2D combines numerical simulations of a flow with digital elevation data of natural terrain supported through a Geographical Information System (GIS) interface such as GRASS .

  7. The science that put the Titan submersible at risk of implosion

    www.aol.com/science-put-titan-submersible-risk...

    At 12,500 feet underwater, where the wreck of the Titanic — the Titan's destination — sits, pressure per square inch is more than 5,000 pounds. The science that put the Titan submersible at ...

  8. Titan sub co-founder says cause of disaster that killed 5 may ...

    www.aol.com/titan-sub-co-founder-says-172301350.html

    The Titan's trip, expected to take eight hours, began at 8 a.m. on June 18, 2023, about 435 miles off the coast of Newfoundland, Canada. An hour and 45 minutes later, the submersible's support ...

  9. Armero tragedy - Wikipedia

    en.wikipedia.org/wiki/Armero_tragedy

    The lake's hot, acidic water significantly accelerated the melting of the ice, an effect confirmed by the large amounts of sulfates and chlorides found in the lahar flow. [14] The lahars, formed of water, ice, pumice, and other rocks, [27] incorporated clay from eroding soil as they traveled down the volcano's flanks. [28]

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