Strong mag. 6.3 earthquake - Ryukyu Islands, Japan, on Monday, 24 March 1986 at 02:01 (GMT)
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Strong magnitude 6.3 earthquake at 26 km depth
Magnitude: 6.3
Depth: 26.2 km
Epicenter latitude / longitude: 28.541°N / 130.009°E

Nearest volcano: Yokoate-jima (103 km / 64 mi)
Nearby towns and cities:
55 km (34 mi) ENE of Naze (pop: 41,400) --> See nearby quakes!
262 km (163 mi) SSW of Nishinoomote (pop: 17,800) --> See nearby quakes!
293 km (182 mi) NE of Nago (pop: 59,600) --> See nearby quakes!
326 km (203 mi) SSW of Kanoya (pop: 82,300) --> See nearby quakes!
328 km (204 mi) NE of Okinawa (pop: 125,500) --> See nearby quakes!
337 km (209 mi) NE of Ginowan (pop: 91,800) --> See nearby quakes!
341 km (212 mi) S of Kagoshima (pop: 555,400) --> See nearby quakes!
365 km (227 mi) S of Sendai (pop: 73,100) --> See nearby quakes!
369 km (230 mi) SSW of Miyakonojō (pop: 131,000) --> See nearby quakes!
1209 km (751 mi) SW of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) 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.
Magnitude | Depth | Location | Source |
M 6.3 | 26 km | Ryukyu Islands, Japan | 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 info
Recorded aftershocks, latest first (5 quakes):- 14 Sep 1986 19:33 UTC| M 4.1 |80 km (49.7 mi) depth|52 km (32 mi) distance| USGS | Details
- 12 Jun 1986 21:04 UTC| M 4.8 |53.9 km (33.5 mi) depth|70 km (44 mi) distance| USGS | Details
- 30 Apr 1986 23:14 UTC| M 5.6 |43.6 km (27.1 mi) depth|18 km (11 mi) distance| USGS | Details
- 24 Mar 1986 02:57 UTC| M 4.8 |33 km (20.5 mi) depth|23 km (14 mi) distance| USGS | Details
- 24 Mar 1986 02:10 UTC| M 4.8 |33 km (20.5 mi) depth|23 km (14 mi) distance| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.3 earthquake - Ryukyu Islands, Japan, on Monday, 24 March 1986 at 02:01 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!