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In seismology, a tsunami earthquake is an earthquake which triggers a tsunami of significantly greater magnitude, as measured by shorter-period seismic waves. The term was introduced by Japanese seismologist Hiroo Kanamori in 1972. [1] Such events are a result of relatively slow rupture velocities. They are particularly dangerous as a large ...
Diagram showing how earthquakes can generate a tsunami. Tsunamis in lakes can be generated by fault displacement beneath or around lake systems. Faulting shifts the ground in a vertical motion through reverse, normal or oblique strike slip faulting processes, this displaces the water above causing a tsunami (Figure 1).
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.
Severe shaking from this earthquake was recorded from the Bōsō Peninsula in the northeast to the Kii Peninsula in the southwest. A tsunami was recorded in Suruga Bay and at Kamakura, where it destroyed the building housing the statue of the Great Buddha at Kōtoku-in, [9] although the statue itself survived and has remained outdoors ever since.
The slide had an estimated volume of 60,000,000 m 3 (2.1 × 10 9 cu ft). Numerical modelling of a landslide successfully reproduced most of the tsunami observations. [4] The first tsunami wave, measuring 0.3 m (1 ft 0 in), struck Beqa some thirty seconds after the earthquake. Fifteen minutes later, a 1.2–1.5 m (3 ft 11 in – 4 ft 11 in) wave ...
The 2006 Kuril Islands earthquake occurred on November 15 at 8:14:16 pm JST with a M w magnitude of 8.3 and a maximum Mercalli intensity of IV (Light) and a maximum Shindo intensity of JMA 2. This megathrust earthquake was the largest event in the central Kuril Islands since 1915 and generated a small tsunami that affected the northern Japanese ...
A massive tsunami with waves up to 30 m (100 ft) high, known as the Boxing Day Tsunami after the Boxing Day holiday, or as the Asian Tsunami, [10] devastated communities along the surrounding coasts of the Indian Ocean, killing an estimated 227,898 people in 14 countries, violently in Aceh , and severely in Sri Lanka, Tamil Nadu , and Khao Lak ...
The earthquake was the largest in a series of quakes to strike the Solomon Islands over the preceding days. [3] The 7.1 mainshock was preceded by a 6.6 magnitude foreshock some 48 minutes previous. As many as 1,000 people were left homeless on the island of Rendova after the earthquake and tsunami destroyed approximately 200 homes.