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  2. Volcanic tsunami - Wikipedia

    en.wikipedia.org/wiki/Volcanic_tsunami

    A volcanic tsunami, also called a volcanogenic tsunami, is a tsunami produced by volcanic phenomena. About 20–25% of all fatalities at volcanoes during the past 250 years have been caused by volcanic tsunamis. The most devastating volcanic tsunami in recorded history was that produced by the 1883 eruption of Krakatoa. The waves reached ...

  3. List of tsunamis - Wikipedia

    en.wikipedia.org/wiki/List_of_tsunamis

    A tsunami hitting a coastline. This article lists notable tsunamis, which are sorted by the date and location that they occurred.. Because of seismic and volcanic activity associated with tectonic plate boundaries along the Pacific Ring of Fire, tsunamis occur most frequently in the Pacific Ocean, [1] but are a worldwide natural phenomenon.

  4. List of volcanic eruptions in the 21st century - Wikipedia

    en.wikipedia.org/wiki/List_of_volcanic_eruptions...

    The Centre of Volcanology and Geological Hazard Mitigation recommended that a 7 km (4.3 mi) radius around the volcano be evacuated. [75] Seven villages were affected by the eruption. [76] A larger eruption occurred on 7 November. [77] On 8 November, the volcano erupted several times, one bearing an ash plume with a height reaching 10 km (6.2 mi ...

  5. What causes a tsunami? An ocean scientist explains the ... - AOL

    www.aol.com/news/causes-tsunami-ocean-scientist...

    On Jan. 15, 2022, coastal areas across California were placed under a tsunami warning. Gado via Getty ImagesOn Jan. 15, 2022, the Hunga Tonga-Hunga Ha’apai volcano in Tonga erupted, sending a ...

  6. Texas has over 200 volcanoes. But are any of them active ...

    www.aol.com/texas-over-200-volcanoes-them...

    There are around 200 volcanoes in Texas that have been extinct for millions of years, making them unlikely to erupt again, because the volcano no longer has a magma supply. It could however be ...

  7. ‘Mini volcanoes’ appear all over Texas beach, video shows ...

    www.aol.com/news/mini-volcanoes-appear-over...

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  8. Tsunami - Wikipedia

    en.wikipedia.org/wiki/Tsunami

    Amplitude, Wave Height, or Tsunami Height: Refers to the height of a tsunami relative to the normal sea level at the time of the tsunami, which may be tidal High Water, or Low Water. It is different from the crest-to-trough height which is commonly used to measure other type of wave height.

  9. Pilot Knob (Austin, Texas) - Wikipedia

    en.wikipedia.org/wiki/Pilot_Knob_(Austin,_Texas)

    All of these volcanoes have been extinct for millions of years. [2] The Pilot Knob volcanic complex consists of four small, rounded hills (including Pilot Knob proper) forming the volcano's core area in an area two miles in diameter. The hills are composed of trap rock which is an erosion-resistant, fine-grained mafic volcanic rock.