Magnitude 7.0 - OFF THE EAST COAST OF HONSHU, JAPAN
2008 July 19 02:39:28 UTC
- This event has been reviewed by a seismologist.
|Depth||22 km (13.7 miles) set by location program|
|Region||OFF THE EAST COAST OF HONSHU, JAPAN|
|Distances||130 km (80 miles) ENE of Iwaki, Honshu, Japan|
140 km (85 miles) ESE of Sendai, Honshu, Japan
155 km (95 miles) E of Fukushima, Honshu, Japan
305 km (190 miles) NE of TOKYO, Japan
|Location Uncertainty||horizontal +/- 3.6 km (2.2 miles); depth fixed by location program|
|Parameters||NST=298, Nph=298, Dmin=373.4 km, Rmss=0.82 sec, Gp= 18°,|
M-type=centroid moment magnitude (Mw), Version=Q
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The following is a release by the United States Geological Survey, National Earthquake Information Center: An earthquake occurred about 125 km (75 miles) ENE of Iwaki, Honshu, Japan or about 130 km (80 miles) ESE of Sendai, Honshu, Japan or about 305 km (190 miles) NE of TOKYO, Japan at 8:39 PM MDT, Jul 18, 2008 (Jul 19 at 11:39 AM local time in Japan). The magnitude and location may be revised when additional data and further analysis results are available. No reports of damage or casualties have been received at this time; however, this earthquake may have caused damage due to its location and size.
Felt (III) at Misawa, Tokyo and Yokohama; (II) at Yamato. Felt as far north as Misawa, as far west as Niigata and as far south as Mishima. Small tsunamis were observed along the Fukushima-Miyagi coastal area. Recorded (4 JMA) in Fukushima, Iwate, Miyagi and Tochigi; (3 JMA) in Akita, Aomori, Chiba, Gumma, Ibaraki, Kanagawa, Nagano, Niigata, Saitama, Tokyo, Yamagata and Yamanashi; (2 JMA) in Aichi and Shizuoka; (1 JMA) in Gifu, Ishikawa and Shiga. Also recorded (2 JMA) in southern Hokkaido and (1 JMA) on Nii-jima.
Scientific & Technical Information
- USGS Centroid Moment Tensor Solution
- USGS Body-Wave Moment Tensor Solution
- Global CMT Project Moment Tensor Solution
- Historic Moment Tensor Solutions
- Phase Data
- Seismicity Cross Section
- Seismic Record Section
- Theoretical P-Wave Travel Times
- Energy and Broadband Solution
- Subduction Zone Geometry Analysis
The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.
General Tsunami Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver