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Strong 6.9M Seismic Event – Near East Coast Of Honshu, Japan


6.9 magnitude earthquake near Namie, Fukushima, Japan

The earthquake occurred in Japan, Region of Tohoku (population 9,984,608) on 2016-11-21 at 20:59:49 UTC. The nearest places are Oragahama, Futaba, Tomioka, Kiyohashi, Bogoya, Kami-Shigeoka, Ide, Namie, Takatsudo, Onaba, and Kami-Kamato. The maximum altitude nearby is saa-level .

Asia –  JapanTohoku Region, Iwaki, Prefecture, Honshu, Sendai
Location: 37km ESE of Namie, Japan
Magnitude: 6.9
Time: 2016-11-21 20:59:49 UTC
Epicenter: 37°23’31.2″N 141°24’10.8″E
Depth: 11.4km (6.9mi) Shallow
Affected Area: Offshore/Coastal Regions 37 km from Namie, Fukushima, Japan
Area affected by light damage (estimated radius): 84 km (MMI VI)

USGS Interactive Map

USGS ShakeMap

Aftershocks: Recent Earthquakes Near East Coast Of Honshu, Japan

IRIS Interactive Earthquake Browser


109 km SE of Sendai-shi, Japan / pop: 1,038,000 / local time: 05:59:49.4 2016-11-22
92 km SE of Fukushima-shi, Japan / pop: 295,000 / local time: 05:59:49.4 2016-11-22
37 km E of Namie, Japan / pop: 21,900 / local time: 05:59:49.4 2016-11-22

Tsunami Threat

The maximum Tsunami wave height is 0.2m in Yagawa, Japan. This height is estimated for 21-Nov-2016 22:54:31.

Tsunami animation

Tsunami animation. Source: Joint Research Centre of the European Commission (JRC)



Event Map

Event Map - 6.9M 37km ESE of Namie, Japan on 2016-11-21 20:59:50.0 UTC

6.9M 37km ESE of Namie, Japan on 2016-11-21 20:59:50.0 UTC. This is a product of the GEOFON Extended Virtual Network (GEVN) and credit belongs to all involved institutions.

Media Analysis

Fukushima reactor cooling system stops following quake & tsunami
Tue, 22 Nov 2016 01:52 +0100  RT (en)
The cooling system of the third reactor at the Fukushima nuclear power plant has stopped circulating water following a powerful 7.3 offshore earthquake. TEPCO said it managed to restart the system some 90 minutes after the failure.

Japan tsunami waves push river upstream
Tue, 22 Nov 2016 07:37 +0100 (en)
Tsunami waves surged up the Sunaoshi River in Tagajo following an earthquake,
The quake struck near Fukushima at about 06:00 local time (21:00 GMT Monday), triggering initial warnings of 3m (9.8ft) high waves. The waves which eventually hit the coast were much smaller.

Tsunami warning issued in Japan’s northeast
Tue, 22 Nov 2016 06:52:00 +0100   watoday (en)
Tsunami warning downgraded in Japan ‘s northeast. Residents are urged remain alert after an earthquake initially reported as 7.

Japan Meteorological Agency: Earthquake that struck Tuesday off TOKYO (AP)
Tue, 22 Nov 2016 06:50:00 +0100   fox13memphis (en)
TOKYO (AP) – Japan Meteorological Agency: Earthquake that struck Tuesday off Fukushima was an aftershock of massive 2011 quake. Copyright 2016 The Associated Press. All rights reserved.

More Information:

GeoForschungsZentrum (GEOFON) Potsdam, German
Joint Research Center of the European Commission (JRC)
Earthquake Information for Japan, Japan Meteorological Agency
Pacific Tsunami Warning Centre  Hawai, USA

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