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  2. Submarine earthquake - Wikipedia

    en.wikipedia.org/wiki/Submarine_earthquake

    The plates meet with each other, and if rough spots cause the movement to stop at the edges, the motion of the plates continue. When the rough spots can no longer hold, the sudden release of the built-up motion releases, and the sudden movement under the sea floor causes a submarine earthquake.

  3. Megathrust earthquake - Wikipedia

    en.wikipedia.org/wiki/Megathrust_earthquake

    Thrust faults are characteristic of areas where the Earth's crust is being compressed by tectonic forces. [11] Megathrust faults occur where two tectonic plates collide. When one of the plates is composed of oceanic lithosphere, it dives beneath the other plate (called the overriding plate) and sinks into the Earth's mantle as a slab.

  4. 1998 Papua New Guinea earthquake - Wikipedia

    en.wikipedia.org/wiki/1998_Papua_New_Guinea...

    The 1998 Papua New Guinea earthquake occurred on July 17 with a moment magnitude of 7.0 and a maximum Mercalli intensity of VIII (Severe).The event occurred on a reverse fault near the north coast region of Papua New Guinea, 25 kilometers (16 mi) from the coast near Aitape and caused a large submarine landslide which caused a tsunami that hit the coast, killing between at least 2,183 and 2,700 ...

  5. 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.

  6. 2013 Solomon Islands earthquake - Wikipedia

    en.wikipedia.org/wiki/2013_Solomon_Islands...

    The epicentre was close to the Santa Cruz Islands within Temotu Province at the boundaries of the Indo-Australian and Pacific tectonic plates, causing local evacuations, a tsunami of 11 m (36 ft) and killing at least ten people.

  7. A ‘non-destructive’ tsunami was spotted after California’s ...

    www.aol.com/non-destructive-tsunami-spotted...

    Large tsunamis have occurred in the US and will again. A magnitude 9.2 earthquake in the Gulf of Alaska caused damage and loss of life along the West Coast in 1964. More than 150 tsunamis have ...

  8. Submarine landslide - Wikipedia

    en.wikipedia.org/wiki/Submarine_landslide

    An example of this was the July 17, 1998, Papua New Guinean landslide tsunami where waves up to 15 m high impacted a 20 km section of the coast killing 2,200 people, yet at greater distances the tsunami was not a major hazard. This is due to the comparatively small source area of most landslide tsunami (relative to the area affected by large ...

  9. Megatsunami - Wikipedia

    en.wikipedia.org/wiki/Megatsunami

    Normal tsunamis result from displacement of the sea floor due to movements in the Earth's crust (plate tectonics). Powerful earthquakes may cause the sea floor to displace vertically on the order of tens of metres, which in turn displaces the water column above and leads to the formation of a tsunami.