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Strong mag. 6.5 earthquake - Izu Islands, Japan region on Wednesday, 4 September 2013

Strong mag. 6.5 earthquake - Izu Islands, Japan region on Wednesday, 4 September 2013

Strong mag. 6.5 earthquake  - Izu Islands, Japan region on Wednesday, 4 September 2013
Date & time: Wednesday, 4 September 2013 00:18 UTC
Local time at epicenter: Wednesday, September 04, 2013 09:18:24
Magnitude: 6.5
Depth: 407.0 km
Epicenter latitude / longitude: 30.0067°N / 138.7893°E (Japan)
Nearest volcano: Sofugan (150 km)
Primary data source: USGS
Estimated released energy: 3.5*10^14 J (98.6 GWh / 84802 tons of TNT / 5.3 atomic bombs equivalent) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience with us and submit a short "I felt it" report.
You can use your GPS or device location as well to show where you were during the earthquake.
- thank you.

Data for same earthquake as reported from other agencies
TimeMag. / DepthLocationSource
Wed, 4 Sep 2013
Wed, 4 Sep 00:18 UTCM 6.5 / 419 km IZU ISLANDS, JAPAN REGIONEMSC
Wed, 4 Sep 00:18 UTCM 6.4 / 419 kmSoutheast of Honshu, JapanGFZ
Wed, 4 Sep 00:18 UTCM 6.5 / 407 kmIzu Islands, Japan regionGeoAu
Wed, 4 Sep 00:18 UTCM 6.8 / 445 km鳥島近海 (Torishima)JMA
Wed, 4 Sep 00:18 UTCM 5.9 / 432 kmSoutheast of Honshu, JapanBMKG

shake map
(shakemap: USGS)
"I felt it" reports:
Tokyo / MMI IV (Light shaking)
Shinjuku (Tokyo) / MMI V (Moderate shaking)
Tokyo Chiyoda (635.6 km N from epicenter) [Map] / MMI V (Moderate shaking): Steady shaking lasted more than one minute, fairly constant intensity. No damage seen.
Chofu, Japan (631.8 km N from epicenter) [Map] / MMI II (Very weak shaking): Just a bit of shaking here.
Yokosuka (589.7 km N from epicenter) [Map] / MMI V (Moderate shaking)
Utsunomiya / MMI V (Moderate shaking)
tokyo / MMI V (Moderate shaking)
Chiyoda-ku, Tokyo (639.7 km N from epicenter) [Map] / MMI IV (Light shaking): Lobby of Hotel was shaking side to side - semi loud sound
Yokosuka, Japan / MMI V (Moderate shaking)
Fussa, Japan (640.4 km N from epicenter) [Map] / MMI V (Moderate shaking): I don't use an office chair, I sit on an exercise ball so I felt the earthquake quite keenly, I think. My wine glasses clinked against each other; my blinds swayed to and fro; the rocking couch also swayed. My cat, who was sitting in my lap at the time, also took notice and glared at me as if I were interrupting her nap.
Yokosuka, Japan / MMI IV (Light shaking)
Nikko, Tochigi prefecture, Japan (753.9 km N from epicenter) [Map] / MMI IV (Light shaking): Long and quite shaky - moved curtains, lamps, etc., rattled dishes
Nikko City, Tochigi prefecture, Japan (753.9 km N from epicenter) [Map] / MMI IV (Light shaking): Started with a mild roll, then pretty good shaking that moved lamps, curtains,etc, subsiding into rolling motion
tokyo / MMI IV (Light shaking)
Narita (Japan) (654 km N from epicenter)(no details): noticed it lasted for a long time. about 2 minutes. felt like motion sickness type feeling, very noticeable quake (via EMSC)
Chiba (Japan) (632 km N from epicenter)(no details): The earthquake was shaking big slowly. (via EMSC)
Yokohama (Japan) (607 km N from epicenter)(no details): It was sudden and sharp sway, but not last long. (via EMSC)
Minato (Japan) (627 km N from epicenter)(no details): I have never felt one before. I am visiting Japan (via EMSC)
Yamato (Japan) (605 km N from epicenter)(no details): It felt a lot like being on board a ship in moderate seas. (via EMSC)
(Japan) (684 km NW from epicenter)(no details): I experienced the 3/11 quake and this made me everyone else very nervous. (via EMSC)
Kawasaki Ward (Japan) (611 km N from epicenter)(no details): Please correct spelling of " Where other people where you were woken up? " in this questionnaire. Hint: it should be "Were other people where you were woken up?" (via EMSC)

 

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