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

Forte terremoto magnitudine 6.5 - Philippines Sea, 638 km a sud da Tokyo, Giappone, mercoledì, 04 settembre 2013

Forte terremoto magnitudine 6.5 - Philippines Sea, 638 km a sud da Tokyo, Giappone, mercoledì, 04 settembre 2013

Strong magnitude 6.5 earthquake at 407 km depth

4 Sep 00:30 UTC: Primo a segnalare: USGS dopo 12 minuti.
Data & ora: 4 Sep 2013 00:18:24 UTC
Ora locale a epicentro: Wednesday, September 04, 2013 09:18:24
Magnitudine: 6.5
Profondità: 407.0 km
Epicentro latitudine / longitudine: 30.0067°N / 138.7893°E (Philippines Sea, Giappone)
Vulcano più vicino: Sofugan (150 km / 93 mi)
Nearby towns and cities:
492 km SE da Shingū (pop: 31,600) --> Vedi sismi vicini
526 km SE da Tanabe (pop: 69,600) --> Vedi sismi vicini
550 km SE da Gobō (Gobo) (pop: 27,200) --> Vedi sismi vicini
570 km SE da Muroto-misakicho (Muroto) (pop: 17,600) --> Vedi sismi vicini
584 km SE da Anan (pop: 55,400) --> Vedi sismi vicini
595 km SE da Komatsushimachō (pop: 42,600) --> Vedi sismi vicini
638 km S da Tokyo (pop: 8,336,600) --> Vedi sismi vicini
358 km SSO da Hachijojima Island (pop: 7,520) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudineProfonditàUbicazioneFonte
M 6.5419 km IZU ISLANDS, JAPAN REGIONEMSC
M 6.4419 kmSoutheast of Honshu, JapanGFZ
M 6.5407 kmIzu Islands, Japan regionUSGS
M 6.5407 kmIzu Islands, Japan regionGeoAu
M 6.8445 km鳥島近海 (Torishima)JMA
M 5.9432 kmSoutheast of Honshu, JapanBMKG

shake map
(shakemap: USGS)

User reports for this quake (21)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Tokyo / Light shaking (MMI IV)
Shinjuku (Tokyo) / Moderate shaking (MMI V)
Tokyo Chiyoda (635.6 km N of epicenter) [Map] / Moderate shaking (MMI V) : Steady shaking lasted more than one minute, fairly constant intensity. No damage seen.
Chofu, Japan (631.8 km N of epicenter) [Map] / Very weak shaking (MMI II) : Just a bit of shaking here.
Yokosuka (589.7 km N of epicenter) [Map] / Moderate shaking (MMI V)
Utsunomiya / Moderate shaking (MMI V)
tokyo / Moderate shaking (MMI V)
Chiyoda-ku, Tokyo (639.7 km N of epicenter) [Map] / Light shaking (MMI IV) : Lobby of Hotel was shaking side to side - semi loud sound
Yokosuka, Japan / Moderate shaking (MMI V)
Fussa, Japan (640.4 km N of epicenter) [Map] / Moderate shaking (MMI V) : 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 / Light shaking (MMI IV)
Nikko, Tochigi prefecture, Japan (753.9 km N of epicenter) [Map] / Light shaking (MMI IV) : Long and quite shaky - moved curtains, lamps, etc., rattled dishes
Nikko City, Tochigi prefecture, Japan (753.9 km N of epicenter) [Map] / Light shaking (MMI IV) : Started with a mild roll, then pretty good shaking that moved lamps, curtains,etc, subsiding into rolling motion
tokyo / Light shaking (MMI IV)
Narita (Japan, 654 km N of epicenter) : noticed it lasted for a long time. about 2 minutes. felt like motion sickness type feeling, very noticeable quake (reported through EMSC)
Chiba (Japan, 632 km N of epicenter) : The earthquake was shaking big slowly. (reported through EMSC)
Yokohama (Japan, 607 km N of epicenter) : It was sudden and sharp sway, but not last long. (reported through EMSC)
Minato (Japan, 627 km N of epicenter) : I have never felt one before. I am visiting Japan (reported through EMSC)
Yamato (Japan, 605 km N of epicenter) : It felt a lot like being on board a ship in moderate seas. (reported through EMSC)
(Japan, 684 km NW of epicenter) : I experienced the 3/11 quake and this made me everyone else very nervous. (reported through EMSC)
Kawasaki Ward (Japan, 611 km N of epicenter) : 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?" (reported through EMSC)
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Aftershocks of the 6.5 quake Philippines Sea, 526 km southeast of Tanabe, Wakayama, Japan, Wednesday, September 04, 2013 09:18:24

More info
Recorded aftershocks, latest first (29 quakes):
  • 16 Feb 2014 16:54 UTC
    | M 3.3 |
    445 km (276.5 mi) depth
    |
    81 km (50 mi) distance
    | JMA | Details
  • 02 Feb 2014 13:48 UTC
    | M 4.5 |
    461.7 km (286.9 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 26 Jan 2014 01:15 UTC
    | M 4.3 |
    436 km (270.9 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 21 Jan 2014 01:51 UTC
    | M 3.8 |
    440 km (273.4 mi) depth
    |
    44 km (27 mi) distance
    | JMA | Details
  • 18 Jan 2014 02:54 UTC
    | M 4.3 |
    436 km (270.9 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 26 Dec 2013 22:11 UTC
    | M 3.3 |
    472 km (293.3 mi) depth
    |
    100 km (62 mi) distance
    | JMA | Details
  • 18 Dec 2013 12:54 UTC
    | M 5.2 |
    425.8 km (264.6 mi) depth
    |
    30 km (19 mi) distance
    | USGS | Details
  • 11 Dec 2013 02:41 UTC
    | M 4.1 |
    432 km (268.4 mi) depth
    |
    80 km (50 mi) distance
    | JMA | Details
  • 09 Dec 2013 16:29 UTC
    | M 3.8 |
    462 km (287.1 mi) depth
    |
    81 km (50 mi) distance
    | JMA | Details
  • 07 Dec 2013 22:19 UTC
    | M 3.7 |
    430 km (267.2 mi) depth
    |
    69 km (43 mi) distance
    | JMA | Details
  • 07 Dec 2013 16:34 UTC
    | M 4.3 |
    423 km (262.8 mi) depth
    |
    21 km (13 mi) distance
    | EMSC | Details
  • 07 Dec 2013 09:57 UTC
    | M 3.3 |
    431 km (267.8 mi) depth
    |
    47 km (29 mi) distance
    | JMA | Details
  • 27 Nov 2013 12:29 UTC
    | M 3.3 |
    466 km (289.6 mi) depth
    |
    79 km (49 mi) distance
    | JMA | Details
  • 23 Nov 2013 14:46 UTC
    | M 3.0 |
    399 km (247.9 mi) depth
    |
    74 km (46 mi) distance
    | JMA | Details
  • 23 Nov 2013 06:59 UTC
    | M 4.1 |
    462.3 km (287.3 mi) depth
    |
    70 km (43 mi) distance
    | USGS | Details
  • 17 Nov 2013 07:25 UTC
    | M 3.2 |
    438 km (272.2 mi) depth
    |
    68 km (42 mi) distance
    | JMA | Details
    • Show all

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Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - Philippines Sea, 526 km southeast of Tanabe, Wakayama, Japan, on Wednesday, September 04, 2013 09:18:24
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