Magnitude 7.0 - OFF THE EAST COAST OF HONSHU, JAPAN

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2008 July 19 02:39:28 UTC

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Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude7.0
Date-Time
Location37.552°N, 142.206°E
Depth22 km (13.7 miles) set by location program
RegionOFF THE EAST COAST OF HONSHU, JAPAN
Distances130 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 Uncertaintyhorizontal +/- 3.6 km (2.2 miles); depth fixed by location program
ParametersNST=298, Nph=298, Dmin=373.4 km, Rmss=0.82 sec, Gp= 18°,
M-type=centroid moment magnitude (Mw), Version=Q
Source
  • USGS NEIC (WDCS-D)
Event IDus2008urah
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Earthquake Summary

Small globe showing earthquakeSmall map showing earthquake
  • 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 Reports

    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.

    Tsunami Information

    The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.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