Light mag. 4.7 earthquake - North Pacific Ocean, 77 km northeast of Miyako, Iwate, Japan, on Monday, 30 April 1990 at 04:54 (GMT)

Light mag. 4.7 earthquake - North Pacific Ocean, 77 km northeast of Miyako, Iwate, Japan, on Monday, 30 April 1990 at 04:54 (GMT)

Light magnitude 4.7 earthquake at 61 km depth

Date & time: 30 Apr 1990 04:54:13 UTC
Magnitude: 4.7
Depth: 60.6 km
Epicenter latitude / longitude: 39.97°N / 142.735°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (139 km / 86 mi)
Nearby towns and cities:
77 km (48 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
87 km (54 mi) NE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
98 km (61 mi) NE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
107 km (67 mi) NE of Kamaishi (pop: 43,100) --> See nearby quakes!
120 km (75 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
139 km (86 mi) ENE of Morioka (pop: 295,200) --> See nearby quakes!
158 km (98 mi) ENE of Kitakami (pop: 93,900) --> See nearby quakes!
194 km (121 mi) ESE of Aomori (pop: 298,400) --> See nearby quakes!
363 km (226 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
546 km (339 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 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 4.761 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

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