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Archive for the ‘tokyo quake forecast’ Category

Powerful 6.9Mw Quake Strikes Bonin Islands, Japan

Posted by feww on November 30, 2010

Magnitude 6.9 Earthquake Strikes Bonin Islands, Rattling Japan’s Entire Eastern Seaboard

The quake struck at a depth of about 480km, too deep to cause a tsunami.


Earthquake Location Map.
Cross shows epicenter of the 6.9Mw quake
, while the colored bubbles indicate  the intensity at various monitoring centers in Japan. Source: Japan’s Meteorological Agency (JMA). Image may be subject to copyright.

Quake Details (JMA)

  • Time Occurred:  12:25 (JST) 30 Nov 2010
  • Epicenter: 28.4N, 139.7E
  • Dept: 480km
  • Magnitude: 6.9 Mw
  • Region Name:  Ogasawara-shoto Seiho-oki (Bonin Islands), Japan Region

Distances (USGS)

  • 335 km (210 miles) WNW of Chichi-shima, Bonin Islands, Japan
  • 455 km (285 miles) NNW of Iwo Jima, Volcano Islands, Japan
  • 525 km (325 miles) S of Hachijo-jima, Izu Islands, Japan
  • 810 km (500 miles) S of TOKYO, Japan

Japan Earthquake Forecasts (FEWW)

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Posted in earthquake warning Honshu, Earthquakes 2010, Japan earthquake forecast, Tokyo Bay earthquake, tokyo quake forecast | Tagged: , , , , | Leave a Comment »

6th Strong Quake Strikes Near Ryukyu Isles, Japan

Posted by feww on September 29, 2009

6 to 8 more EQs may yet strike region

Magnitude 5.9 quake strikes near Ryukyu Islands, close to Iwo-Tori-Shima Volcano

Strong earthquake measuring 5.9 Mw struck near Ryukyu Islands, Japan region, at a depth of 10 km on September 28, 2009 at about 19:23 UTC, USGS EHP reported.

The quake struck about 200 km (125 miles) north of Naha, Okinawa, Japan. Japan Meteorological Agency reported an aftershock measuring 4.3 Mw at 07:48 local time (22:48 UTC). JMA issued NO tsunami warning after the mainshock.

This quake was in line with FEWW forecast made on August 17, 2009.

10-degree Map Centered at 30°N,130°E

Magnitude 5.9 - RYUKYU ISLANDS 28 sep 2009
Earthquake Location Map. Source of the original map: USGS. Map enhanced by FEWW.

Earthquake Details:

  • Magnitude: 5.9
  • Date-Time: Monday, September 28, 2009 at 19:22:57 UTC  [Tuesday, September 29, 2009 at 04:22:57 AM at epicenter]
  • Location: 27.943°N, 127.867°E
  • Depth: 10 km (6.2 miles) set by location program
  • Region: RYUKYU ISLANDS, JAPAN
  • Distances:
    • 200 km (125 miles) N of Naha, Okinawa, Japan
    • 480 km (300 miles) SSW of Kagoshima, Kyushu, Japan
    • 535 km (335 miles) NE of Ishigaki-jima, Ryukyu Islands, Japan
    • 1410 km (880 miles) SW of TOKYO, Japan
  • Location Uncertainty:  horizontal +/- 7.1 km (4.4 miles)
  • Source: USGS NEIC (WDCS-D)
  • Event ID:  us2009mcbr

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Posted in Japan earthquake foecast, Japan quakes, Japan quakes 2009, Ryukyu Islands, Taiwan, tokyo quake forecast, tsunami warning | Tagged: , , , , , | 1 Comment »