6th Strong Quake Strikes Near Ryukyu Isles, Japan

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

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

Related Links:

• 4th Powerful Quake Strikes Japan Region
• 3rd Powerful Quake in 3 Days Strikes Japan Region

• Strong Quake Strikes Near Shizuoka, Japan
• 5th Strong Quake Strikes Japan Region
• Strong Quake Strikes Near Shizuoka, Japan [August 10, 2009]
• Powerful Earthquake Strikes Near Izu Islands, Japan [August 9, 2009]
• M 6.4 Quake Strikes SW Ryukkyu Isls, Japan [August 5, 2009]
• Earthquake Forecast: Tokyo, Japan

• Earthquakes [Links Page]

• Volcanoes
• FEWW Volcano Links