Strong mag. 5.5 earthquake - North Pacific Ocean, 98 km east of Kamaishi, Iwate, Japan, on Wednesday, 1 November 1989 at 23:05 (GMT)

Strong mag. 5.5 earthquake - North Pacific Ocean, 98 km east of Kamaishi, Iwate, Japan, on Wednesday, 1 November 1989 at 23:05 (GMT)

Strong magnitude 5.5 earthquake at 39 km depth

Date & time: 1 Nov 1989 23:05:46 UTC
Magnitude: 5.5
Depth: 38.7 km
Epicenter latitude / longitude: 39.179°N / 142.997°E (North Pacific Ocean, Japan)
Nearest volcano: Iwate (187 km / 116 mi)
Nearby towns and cities:
96 km (59 mi) ESE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
97 km (60 mi) ESE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
98 km (61 mi) E of Kamaishi (pop: 43,100) --> See nearby quakes!
105 km (65 mi) ESE of Miyako (pop: 51,700) --> See nearby quakes!
111 km (69 mi) E of Ōfunato (pop: 35,400) --> See nearby quakes!
127 km (79 mi) E of Tōno (pop: 26,800) --> See nearby quakes!
169 km (105 mi) ESE of Morioka (pop: 295,200) --> See nearby quakes!
211 km (131 mi) ENE of Sendai (pop: 1,063,100) --> See nearby quakes!
486 km (302 mi) NE of Tokyo (pop: 8,336,600) --> See nearby quakes!
511 km (318 mi) NE of Yokohama (pop: 3,574,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1013 joules (3.12 gigawatt hours, equivalent to 2682 tons of TNT or 0.2 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
M 5.539 kmnear the east coast of Honshu, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks

More info
Recorded aftershocks, latest first (2 quakes):
  • 04 Nov 1989 21:56 UTC
    | M 5.3 |
    21.1 km (13.1 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 04 Nov 1989 20:12 UTC
    | M 5.9 |
    30.2 km (18.8 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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