April 21: Magnitude 6.1 Earthquake in Japan
Published on Apr 21, 2011 - 7:43:47 AM
April 21, 2011 - On 4/21/2011 1:37:03 PM UTC (about 22:58h local time) an earthquake of magnitude 6.1 occurred in the very highly populated region of Near The East Coast Of Honshu in Japan. The earthquake happened 5km from Naruto. The nearest populated places are: Katakai (7km), Yokoshiba (8km), Hasunuma (2km), Togane (8km). The closest civilian airport is New Tokyo Narita International (20km).
Potentially affected critical infrastructure:
* Nuclear plants: FUKUSHIMA-DAIICHI (209km), FUKUSHIMA-DAINI (199km), HAMAOKA (236km), KASHIWAZAKI KARIWA (263km), ONAGAWA (326km), TOKAI (98km)
* Hydrodams: [None]
* Airports: Oshima (134km), Utsunomiya (116km), Suzumenomiya (112km), Shimo Kolzumi (122km), Onishi (113km), Chiba-ken (75km), Honda (95km), Iruma (99km), Yokota Afb (102km), Tachikawa (97km), Chofu (85km), Tokyo Haneda International (63km), Katsner Aaf (97km), Atsugi (93km), Kisarazu (54km), Otawara (147km), Hyakuri (66km), (55km), Ryugasaki (41km), Ryugasaki South (37km), Shimofusa (47km), New Tokyo Narita International (20km), Shimoshizu (28km), Tateyama (88km), Tokyo Narita (24km), Yokohama (76km)
* Ports: [None]
Based on an automated impact model, this earthquake, which occurred in a region with low vulnerability to natural disasters, has potentially a medium humanitarian impact.
Whether international humanitarian aid is needed must be decided by an expert.
Event Date Univ. Time: Thu, 4/21/2011 13:37 UTC
European Time of the event: Thu, 4/21/2011 15:37 CEST (Brussels, Paris, Rome)
East America Time of the event: Thu, 4/21/2011 08:37 EST (New York, Washington)
West America Time of the event: Thu, 4/21/2011 05:37 PST (San Francisco, Los Angeles)
East Asia Time of the event: Thu, 4/21/2011 22:37 JTI (Tokyo)
The population in the area of this earthquake is 427 people/km2.
The earthquake occurred at 22h local time. At this time a day, more people are at home and therefore more vulnerable to collapsing residential buildings. During traffic hours, people can be affected by collapsing bridges and other road infrastructure.
Nuclear power plants: The following nuclear installations are near the epicenter: FUKUSHIMA-DAIICHI (209km), FUKUSHIMA-DAINI (199km), HAMAOKA (236km), KASHIWAZAKI KARIWA (263km), ONAGAWA (326km), TOKAI (98km)
GDACS is a project of the European Commission Joint Research Centre.
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