Major magnitude 7.0 earthquake - 133 km southeast of Nishinoomote, Kagoshima, Japan, on Tuesday, July 18, 1961 at 14:03 GMT
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Major magnitude 7.0 earthquake at 31 km depth
Magnitude: 7
Depth: 30.6 km
Epicenter latitude / longitude: 29.692°N / 131.683°E

Antipode: 29.692°S / 48.317°W
Nearest volcano: Tokara Hirase (161 km / 100 mi)
Nearby towns and cities:
126 km (78 mi) SE of Koseda (pop: 2,350) --> See nearby quakes!
133 km (83 mi) SSE of Nishinoomote (pop: 17,800) --> See nearby quakes!
198 km (123 mi) SSE of Ibusuki (pop: 29,700) --> See nearby quakes!
204 km (127 mi) SSE of Kanoya (pop: 82,300) --> See nearby quakes!
214 km (133 mi) S of Nichinan (pop: 44,200) --> See nearby quakes!
235 km (146 mi) SSE of Miyakonojō (pop: 131,000) --> See nearby quakes!
235 km (146 mi) SSE of Kagoshima (pop: 555,400) --> See nearby quakes!
243 km (151 mi) SSE of Kokubu-matsuki (pop: 57,900) --> See nearby quakes!
249 km (155 mi) S of Miyazaki (pop: 311,200) --> See nearby quakes!
359 km (223 mi) SSE of Kumamoto (pop: 680,400) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 atomic bombs!) | about seismic energy
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.
Mag. | Depth | Location | Source |
7.0 | 31 km | southeast of the 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.
Aftershocks
[More info]
Recorded aftershocks, latest first (7 quakes)
Date and time![]() | Mag Depth | Location | Details |
Jun 18, 1963 04:02 59 years ago | 5.8 30 km | 76 km NE of Naze, Amami Shi, Kagoshima, Japan | More |
Jan 3, 1963 03:05 59 years ago | 6.0 35 km | 77 km SE of Suwanose-jima Island, Japan | More |
Jun 2, 1962 17:15 60 years ago | 6.0 35 km | 138 km S of Nishinoomote, Kagoshima, Japan | More |
Nov 27, 1961 05:57 61 years ago | 6.2 65 km | 26 km S of Nichinan, Miyazaki, Japan | More |
Jul 21, 1961 22:39 61 years ago | 5.7 20 km | 123 km SE of Nishinoomote, Kagoshima, Japan | More |
Jul 21, 1961 18:50 61 years ago | 5.8 20 km | 124 km SE of Nishinoomote, Kagoshima, Japan | More |
Jul 19, 1961 11:58 61 years ago | 5.8 20 km | 131 km SE of Nishinoomote, Kagoshima, Japan | More |
Earlier earthquakes in the same area
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