Moderate mag. 5.2 earthquake - North Pacific Ocean, 103 km east of Miyako, Iwate, Japan, on Thursday, 23 November 1989 at 15:49 (GMT)

Moderate mag. 5.2 earthquake - North Pacific Ocean, 103 km east of Miyako, Iwate, Japan, on Thursday, 23 November 1989 at 15:49 (GMT)

Moderate magnitude 5.2 earthquake at 34 km depth

Date & time: 23 Nov 1989 15:49:42 UTC
Magnitude: 5.2
Depth: 33.7 km
Epicenter latitude / longitude: 39.856°N / 143.11°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (172 km / 107 mi)
Nearby towns and cities:
103 km (64 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
108 km (67 mi) ENE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
117 km (73 mi) ENE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
124 km (77 mi) ENE of Kamaishi (pop: 43,100) --> See nearby quakes!
148 km (92 mi) ENE of Tōno (pop: 26,800) --> See nearby quakes!
148 km (92 mi) NE of Ōfunato (pop: 35,400) --> See nearby quakes!
154 km (96 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
168 km (105 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
386 km (240 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
552 km (343 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) 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 5.234 kmoff 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.
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Aftershocks

More info
Recorded aftershocks, latest first (3 quakes):
  • 10 Jan 1990 03:11 UTC
    | M 5.8 |
    36.6 km (22.7 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 16 Dec 1989 23:25 UTC
    | M 5.7 |
    22 km (13.7 mi) depth
    |
    23 km (14 mi) distance
    | USGS | Details
  • 04 Dec 1989 09:18 UTC
    | M 4.3 |
    32.9 km (20.4 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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