Moderate mag. 5.0 earthquake - North Pacific Ocean, 90 km east of Miyako, Iwate, Japan, on Monday, 30 April 1990 at 02:30 (GMT)

Moderate mag. 5.0 earthquake - North Pacific Ocean, 90 km east of Miyako, Iwate, Japan, on Monday, 30 April 1990 at 02:30 (GMT)

Moderate magnitude 5.0 earthquake at 45 km depth

Date & time: 30 Apr 1990 02:30:56 UTC
Magnitude: 5
Depth: 44.7 km
Epicenter latitude / longitude: 39.931°N / 142.932°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (156 km / 97 mi)
Nearby towns and cities:
90 km (56 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
99 km (61 mi) ENE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
117 km (72 mi) NE of Kamaishi (pop: 43,100) --> See nearby quakes!
137 km (85 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
154 km (96 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
171 km (107 mi) ENE of Kitakami (pop: 93,900) --> See nearby quakes!
211 km (131 mi) ESE of Aomori (pop: 298,400) --> See nearby quakes!
242 km (150 mi) E of Akita (pop: 320,100) --> See nearby quakes!
373 km (232 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
551 km (342 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1012 joules (554 megawatt hours, equivalent to 477 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 5.045 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 (1 quakes):
  • 30 Apr 1990 04:54 UTC
    | M 4.7 |
    60.6 km (37.7 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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