For the 11 March 2011 earthquake in the Tōhoku region, see 2011 Tōhoku earthquake and tsunami. Earthquakes M5.5+ around Japan (1900–2016) M7.0–7.9=163 EQs, M8.0+=14 EQs. This is a list of earthquakes in Japan with either a magnitude greater than or equal to 7.0 or which caused significant damage or casualties.
4 dead, 225 injured. On March 16, 2022, at 23:36 JST, a strong earthquake struck off the coast of Fukushima, Japan. The earthquake had a magnitude of 7.4 according to the Japanese Meteorological Agency (JMA), while the United States Geological Survey (USGS) gave a slightly lower estimate of 7.3.
- Tectonic Setting
- Foreshocks and Aftershocks
- Earthquake and Tsunami Warnings
- Government Response
- See Also
The 11 March 2011 Tōhoku earthquake struck off the coast of eastern Japan, with an epicenter north of Sendai, and a hypocenter depth of 29 km. It was the largest instrumentally recorded earthquake in the country, and the fourth largest ever recorded worldwide. This earthquake generated massive tsunamis measuring up to 41 meters in height, the highe...
The Pacific Plate, made of oceanic lithosphere, subducts beneath the Okhotsk Sea Plate along a convergent boundary located off the east coast of the northern half of Japan. It runs from the Boso Triple Junction and ends near Hokkaido, where it joins the Kuril–Kamchatka Trench. At this location, the Pacific Plate moves approximately westward relativ...
The earthquake occurred as the result of reverse faulting within the subducting Pacific Plate; not on the subduction interface itself. Hence, it could be considered an intraplate earthquake. Moment tensor solutions indicate slip occurred either on a moderately dipping fault striking to the south, or a moderately dipping fault striking to the north-...
Nine days after the 10th anniversary of the March 2011 tragedy, a strong 7.0 Mw or 6.9 MJMA earthquake struck 80 km north of the epicenter of the February 2021 event. The earthquake struck at 18:09 local time, 54 km beneath the coast of Miyagi Prefecture. A tsunami warning for waves up to 1 meter was broadcast but was rescinded shortly after. So far, a few injuries have been reported and there is no serious structural damage to buildings. The same prefecture was also significantly affected by...
The Japan Meteorological Agency issued an Earthquake Early Warning at 23:08:10.2 or 10 seconds after the earthquake was detected, in all of Miyagi and Fukushima prefecture, the Murayama and Oki districts in Yamagata prefecture, and the northern and southern inland areas of Iwate prefecture. Announced were made in the northern Ibaraki prefecture. Wa...
Because of the earthquake's focal depth and size, no formal warning was issued to the Japanese coast. Seven minutes after the earthquake, the Japan Meteorological Agency projected "slight sea level fluctuation" to occur along the Tōhoku and Kanto coasts. A non-destructive 20 cm tsunami was observed at a port in Ishinomaki, Miyagi Prefecture at 01:4...
The earthquake resulted in at least 186 people injured across nine prefectures, with most coming from Fukushima Prefecture, as said by the Fire and Disaster Management Agency. There, some 100 people were reported hurt. In Miyagi, the earthquake injured 63 residents, with 30 coming from Sendai. There were 17 people injured in Yamagata, Ibaraki, Gunm...
According to the General Insurance Association of Japan as of 12 May 2021, at least 221,994 insurance claims had been filed for in damages caused by the earthquake. At least 112,047 claims were from Miyagi Prefecture and 81,538 from Fukushima Prefecture. Claims were also filed in other prefectures including Iwate, Yamagata, Ibaraki, Tochigi, and Sa...
At 23:09 on February 13, the government set up an official residence countermeasures office at the Prime Minister's Office Crisis Management Center. In addition, on the morning of the 14th, a ministerial meeting was held at the Prime Minister's Office to confirm the policy of making every effort for disaster emergency measures. According to Prime Minister Yoshihide Suga, the affected local governments were closely cooperating and would be on constant vigilance about the secondary disasters su...
According to the Fukushima Prefectural Government, some 70 evacuation centers were set up, with around 200 people residing in them. The Japan Meteorological Agency also warned about the potential for landslides as the Tohoku and Kanto regions were issued storm warnings on two days after the initial earthquake.
Fire and Disaster Management Agency
The Fire and Disaster Management Agency headquarters in Iwate Prefecture experienced shaking intensities of Shindo5 Lower. The agency requested the prefectures of Miyagi, Yamagata, Fukushima Prefecture, Ibaraki, Tochigi, and Saitama to report any damage observed and take the appropriate measures needed.
An earthquake occurred on 10 April 2021 at 14:00 local time ( UTC+07:00) off the south coast of eastern Java. The epicenter of the earthquake is located 44 km south southwest of Gondanglegi Kulon in East Java province. Measuring 6.0 or 6.1 on the moment magnitude scale (M w ) and having a depth of 82.3 km, the earthquake caused moderate shaking ...
- 12-30 seconds
- 2021-04-10 07:00:15
- 10 April 2021
- 14:00:15 WIB (UTC+7)
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The 2011 Tōhoku earthquake and tsunami ( Japanese: 東北地方太平洋沖地震, Hepburn: Tōhoku-chihō Taiheiyō Oki Jishin) occurred at 14:46 JST (05:46 UTC) on 11 March. The magnitude 9.0–9.1 (M w) undersea megathrust earthquake had an epicenter in the Pacific Ocean, 72 km (45 mi) east of the Oshika Peninsula of the Tōhoku region, and ...
- 6 minutes
- 2011-03-11 05:46:24
- 11 March 2011
- 14:46 JST
July 30, 2020 – The epicenter of a 5.8 magnitude earthquake south of Japan was miscalculated, causing the EEW to overestimate the size of the earthquake to be at a magnitude of 7.3 and the epicenter being much closer to Japan's main island of Honshū. There were no reports of any significant tremors. Improvements