Light mag. 4.3 earthquake - North Pacific Ocean, 99 km east of Miyako, Iwate, Japan, on Monday, 4 December 1989 at 09:18 (GMT)

Light mag. 4.3 earthquake - North Pacific Ocean, 99 km east of Miyako, Iwate, Japan, on Monday, 4 December 1989 at 09:18 (GMT)

Light magnitude 4.3 earthquake at 33 km depth

Date & time: 4 Dec 1989 09:18:37 UTC
Magnitude: 4.3
Depth: 32.9 km
Epicenter latitude / longitude: 39.809°N / 143.073°E (North Pacific Ocean, Japan)
Nearest volcano: Nanashigure (170 km / 106 mi)
Nearby towns and cities:
99 km (61 mi) E of Miyako (pop: 51,700) --> See nearby quakes!
103 km (64 mi) ENE of Yamada (Shimohei-gun) (pop: 20,100) --> See nearby quakes!
119 km (74 mi) ENE of Kamaishi (pop: 43,100) --> See nearby quakes!
154 km (96 mi) ESE of Hachinohe (pop: 239,000) --> See nearby quakes!
165 km (102 mi) E of Morioka (pop: 295,200) --> See nearby quakes!
174 km (108 mi) ENE of Hanamaki (pop: 73,100) --> See nearby quakes!
178 km (110 mi) ENE of Kitakami (pop: 93,900) --> See nearby quakes!
228 km (142 mi) ESE of Aomori (pop: 298,400) --> See nearby quakes!
256 km (159 mi) NE of Sendai (pop: 1,063,100) --> 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: 1.8 x 1011 joules (49.4 megawatt hours, equivalent to 42.5 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 4.333 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

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