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  2. Volcanic tsunami - Wikipedia

    en.wikipedia.org/wiki/Volcanic_tsunami

    Tsunamis caused by volcano-tectonic earthquakes have also occurred at Mount Yasur in 1878, Mount Okmok in 1878 and Kharimkotan in 1933. [4] Earthquakes caused by tectonic processes at volcanoes are also known to cause tsunamis. Such earthquakes can reach magnitudes greater than 6 and may occur on large thrust faults at the

  3. Earthquake-generated tsunamis not uncommon in US. How bad can ...

    www.aol.com/earthquake-generated-tsunamis-not...

    Small tsunamis can also be caused by intense coastal storms, according to the U.S. Tsunami Warning System. These are known as meteotsunami because they are caused not by underwater earthquakes or ...

  4. Tsunami - Wikipedia

    en.wikipedia.org/wiki/Tsunami

    Other than by landslides or sector collapse, volcanoes may be able to generate waves by pyroclastic flow submergence, caldera collapse, or underwater explosions. [47] Tsunamis have been triggered by a number of volcanic eruptions, including the 1883 eruption of Krakatoa, and the 2022 Hunga Tonga–Hunga Ha'apai eruption.

  5. 2022 Hunga Tonga–Hunga Haʻapai eruption and tsunami

    en.wikipedia.org/wiki/2022_Hunga_Tonga–Hunga...

    Tsunamis are most frequently caused by earthquakes, while those caused by volcanic eruptions are rare. [84] [85] Fewer than 100 volcanic tsunamis were recorded in the prior two centuries. [84] According to an official at GNS Science, the suspected cause of the tsunami was an undersea eruption that destroyed part of the island on 14 January ...

  6. The California tsunami danger is real. The 7.0 earthquake is ...

    www.aol.com/news/california-tsunami-risk-real...

    The last time the West Coast saw a tsunami advisory was in January 2022, Snider said, after the eruption of an underwater volcano in a remote corner of the South Pacific touched off a powerful ...

  7. Indonesia issues tsunami alert after volcano erupts on remote ...

    www.aol.com/news/indonesia-issues-tsunami-alert...

    Indonesian authorities on Wednesday ordered hundreds of villagers to evacuate following multiple eruptions of a remote island volcano, raising fears it could collapse into the sea and trigger a ...

  8. Submarine earthquake - Wikipedia

    en.wikipedia.org/wiki/Submarine_earthquake

    A submarine, undersea, or underwater earthquake is an earthquake that occurs underwater at the bottom of a body of water, especially an ocean. They are the leading cause of tsunamis. The magnitude can be measured scientifically by the use of the moment magnitude scale and the intensity can be assigned using the Mercalli intensity scale.

  9. Cumbre Vieja tsunami hazard - Wikipedia

    en.wikipedia.org/wiki/Cumbre_Vieja_tsunami_hazard

    At El Hierro the tsunami can shoal and rise to a height of 100 metres (330 ft), while the wave train surrounds La Palma and continues eastward with a height of 20–30 metres (66–98 ft). [67] Zhou et al. 2011 used numerical simulations to model various tsunamis, including a scenario resulting from a mass failure at La Palma. [68]