Moderate mag. 5.0 earthquake - North Pacific Ocean, Japan, on Wednesday, 25 March 1981 at 04:15 (GMT)
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Moderate magnitude 5.0 earthquake at 33 km depth
Date & time: 25 Mar 1981 04:15:01 UTC
Depth: 33.0 km
Epicenter latitude / longitude: 26.645°N / 142.697°E (North Pacific Ocean, Japan)
Nearest volcano: Kaikata (169 km / 105 mi)
Nearby towns and cities:
67 km (42 mi) SE of Chichijima Island (pop: 2,000) --> 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
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.
|M 5.0||33 km||Bonin Islands, Japan region||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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More infoRecorded aftershocks, latest first (1 quakes):
- 27 Mar 1981 08:19 UTC| M 4.9 |33 km (20.5 mi) depth|3 km (2 mi) distance| USGS | Details