Seventh Powerful Quake Hits Japan Region
Posted by feww on October 30, 2009
Powerful Earthquake measuring up to 7.2 Mw Strikes RYUKYU ISLANDS, JAPAN
Background:
- 6th Strong Quake Strikes Near Ryukyu Isles, Japan
- 6 to 8 more strong EQs may yet strike region
- 4th Powerful Quake Strikes Japan Region
- Earthquake Forecast: Tokyo, Japan
A powerful earthquake measuring up to 7.2 Mw occurred in Ryukyu Islands, Japan, about 280 km (175 miles) SSW of Kagoshima, Kyushu, at a depth of 35 km (21.7 miles), on Friday, October 30, 2009 at 07:03 UTC.
Referring to an earlier forecast, FEWW Moderators believe an additional series of 6 – 7 quakes measuring ≥ 6.0 Mw could strike Japan region in the coming weeks.
FEWW Moderators had previously anticipated more powerful earthquakes in the region, including as many as 10 additional magnitude 6+ quakes to strike the region in the coming weeks.
A moderate earthquake measuring up to 5.3 Mw struck near 29.165°N, 130.061°Eclose to the latest event on Sunday, October 25, 2009 at 06:17 UTC at a depth of about 47.5 km (29.5 miles).
10-degree Map Centered at 30°N,130°E
Earthquake Location Map. Source: USGS/EHP. Map enhanced by FEWW.
Earthquake Details:
- Reported Magnitude: 6.9 [Maximum quake magnitude estimated by FEWW at 7.2 Mw]
- Date-Time:
- Friday, October 30, 2009 at 07:03:39 UTC
- Friday, October 30, 2009 at 04:03:39 PM at epicenter
- Location: 29.154°N, 129.903°E
- Depth: 35 km (21.7 miles)
- Region: RYUKYU ISLANDS, JAPAN
- Distances:
- 280 km (175 miles) SSW of Kagoshima, Kyushu, Japan
- 340 km (210 miles) SSW of Miyazaki, Kyushu, Japan
- 400 km (245 miles) NNE of Naha, Okinawa, Japan
- 1170 km (730 miles) SW of TOKYO, Japan
- Location Uncertainty: horizontal +/- 5.5 km (3.4 miles)
- Source: USGS NEIC (WDCS-D)
- Event ID: us2009njal
Seismic Hazard Map [USGS]
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Historic Seismicity [Source: USGS?EHP]
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Related Links:
- Earthquakes [Links Page]
- Earthquake Forecast: Tokyo, Japan
- Strong Quake Strikes Near Shizuoka, Japan
- 5th Strong Quake Strikes Japan Region
- 4th Powerful Quake Strikes Japan Region
- 3rd Powerful Quake in 3 Days 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]
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