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The Intensity 7 ( 震度7, Shindo 7) is the maximum intensity in the Japan Meteorological Agency seismic intensity scale, covering earthquakes with an instrumental intensity (計測震度) of 6.5 and up. [15] At Intensity 7, it becomes impossible to move at will. [13] The intensity was created following the 1948 Fukui earthquake.
0–9. 1586 Tenshō earthquake. 1948 Fukui earthquake. 2016 Kumamoto earthquakes. 2018 Hokkaido Eastern Iburi earthquake.
2022 Fukushima earthquake. / 37.730; 141.595. On March 16, 2022, at 23:36 JST, a strong earthquake struck off the coast of Fukushima, Japan. [7] The earthquake had a magnitude of 7.4 according to the Japanese Meteorological Agency (JMA), while the United States Geological Survey (USGS) gave an estimate of 7.3.
The 2000 Izu Islands earthquakes is an earthquake swarm that occurred around Miyake-jima, Kōzu-shima, and Nii-jima in the Izu Islands after 26 June 2000. The largest earthquake was M w 6.5, and six earthquakes with a maximum JMA seismic intensity of Shindo 6-and Modified Mercalli intensity of VI–VII, resulting in a large-scale earthquake swarm.
The Great Hanshin Earthquake occurred on January 17, 1995, at 05:46:53 JST (January 16 at 20:46:53 UTC) in the southern part of Hyōgo Prefecture, Japan, including the region known as Hanshin. It measured 6.9 on the moment magnitude scale and had a maximum intensity of 7 on the JMA Seismic Intensity Scale (XI–XII on the Modified Mercalli ...
Earthquakes. The Modified Mercalli intensity scale ( MM, MMI, or MCS) measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake. Magnitude scales measure the inherent force or strength of an earthquake – an event occurring at greater or lesser depth.
A second earthquake occurred at 18:11, 16 minutes after the first. This one, at a much shallower depth, had a shindo intensity of 6+ and a magnitude of 5.9. A third, at 18:34, had a shindo intensity of 6−. At 19:45, another intensity 6− earthquake occurred. Intervening and subsequent earthquakes of lesser intensity also shook the region.
1940 Shakotan earthquake. / 44.561; 139.678. The 1940 Shakotan earthquake occurred on August 2 at 00:08:22 JST with a moment magnitude (M w ) of 7.5 and maximum JMA seismic intensity of Shindo 4. The shock had an epicenter off the coast of Hokkaido, Japan. Damage from the shock was comparatively light, but the accomanying tsunami was destructive.