Moderate mag. 4.6 earthquake - North Pacific Ocean, 76 km east of Miyako, Iwate, Japan, on Wednesday, 14 March 1990 at 18:43 (GMT)

Moderate mag. 4.6 earthquake - North Pacific Ocean, 76 km east of Miyako, Iwate, Japan, on Wednesday, 14 March 1990 at 18:43 (GMT)

Moderate magnitude 4.6 earthquake at 33 km depth

Date & time: 14 Mar 1990 18:43:27 UTC
Magnitude: 4.6
Depth: 33.0 km
Epicenter latitude / longitude: 39.864°N / 142.783°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (144 km / 89 mi)
Nearby towns and cities:
76 km (47 mi) ENE of Miyako (pop: 51,700) --> See nearby quakes!
84 km (52 mi) ENE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
94 km (58 mi) NE of Ōtsuchi (Kamihei-gun) (pop: 16,500) --> See nearby quakes!
102 km (63 mi) NE of Kamaishi (pop: 43,100) --> See nearby quakes!
130 km (81 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
141 km (87 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
157 km (97 mi) ENE of Kitakami (pop: 93,900) --> See nearby quakes!
204 km (126 mi) ESE of Aomori (pop: 298,400) --> See nearby quakes!
376 km (233 mi) SSE of Sapporo (pop: 1,883,000) --> See nearby quakes!
538 km (334 mi) NNE of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1011 joules (139 megawatt hours, equivalent to 120 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 4.633 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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