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It is thought that earthquakes of magnitude 7.0–7.5 are expected to occur off the coast every 40 years, even after the 2011 earthquake aftershocks sequence have ended. [17] It was estimated prior to the occurrence of the earthquake, that there was a 60–70% chance that a magnitude 7.0–7.5 earthquake could occur within the Pacific plate as ...
The earthquake [61]) was a powerful magnitude 6.6 earthquake [62] [63] that occurred 10:13 a.m. local time (01:13 UTC) on July 16, 2007, in the northwest Niigata region of Japan. [62] Eleven deaths and at least 1,000 injuries have been reported, and 342 buildings were completely destroyed, mostly older wooden structures.
This sequence was similar to the 2019 earthquakes in having two main shocks: an M L 5.4 earthquake on August 17 located 11 miles north of Ridgecrest, [131] and an M L 5.8 earthquake on September 20, located about a mile south-southwest of the first earthquake. [132] Another shock on the 24th was M L 4.9. Another similarity with the 2019 events ...
The 2016 Fukushima earthquake struck Japan east-southeast of Namie, Fukushima Prefecture at 05:59 JST on November 22 (20:59 Nov 21 UTC) with depth of 11.4 km (7.1 mi). The shock had a maximum intensity of VII (Very strong) on the Mercalli scale .
A 7.0 magnitude earthquake was reported off the coast of Northern California on Thursday, according to the United States Geological Survey. The epicenter of the "strong" quake was off the coast ...
Probabilistic seismic hazard map. The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also ...
Following the earthquake, the Japan Meteorological Agency (JMA) issued a 'Nankai Trough Earthquake Extra Information' advisory [23] that the probability of a megathrust earthquake along the Nankai Trough increased from a 0.1% per week to 1% chance [24] in what was the first advisory of its kind but clarified that it was not imminent.
The 1978 Miyagi earthquake (1978年宮城県沖地震, 1978 nen Miyagi-ken-oki jishin) occurred at 17:14 local time (08:14 UTC) on 12 June. The epicentre was offshore of Miyagi Prefecture , Japan. It had a surface-wave magnitude of 7.7, [ 3 ] JMA magnitude 7.4, [ 1 ] and triggered a small tsunami .