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Major magnitude 7.0 earthquake - 133 km southeast of Nishinoomote, Kagoshima, Japan, on Tuesday, July 18, 1961 at 14:03 GMT

Major magnitude 7.0 earthquake - 133 km southeast of Nishinoomote, Kagoshima, Japan, on Tuesday, July 18, 1961 at 14:03 GMT

Major magnitude 7.0 earthquake at 31 km depth

Date & time: Jul 18, 1961 14:03:41 UTC
Magnitude: 7
Depth: 30.6 km
Epicenter latitude / longitude: 29.692°N / 131.683°E (Philippine Sea, Japan)
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
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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.
Mag.DepthLocationSource
7.031 kmsoutheast of the Ryukyu Islands, JapanUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (7 quakes)

Date and timeMag
Depth		LocationDetails
Jun 18, 1963 04:02
59 years ago
5.8

30 km		76 km NE of Naze, Amami Shi, Kagoshima, JapanMore
Jan 3, 1963 03:05
59 years ago
6.0

35 km		77 km SE of Suwanose-jima Island, JapanMore
Jun 2, 1962 17:15
60 years ago
6.0

35 km		138 km S of Nishinoomote, Kagoshima, JapanMore
Nov 27, 1961 05:57
61 years ago
6.2

65 km		26 km S of Nichinan, Miyazaki, JapanMore
Jul 21, 1961 22:39
61 years ago
5.7

20 km		123 km SE of Nishinoomote, Kagoshima, JapanMore
Jul 21, 1961 18:50
61 years ago
5.8

20 km		124 km SE of Nishinoomote, Kagoshima, JapanMore
Jul 19, 1961 11:58
61 years ago
5.8

20 km		131 km SE of Nishinoomote, Kagoshima, JapanMore

Earlier earthquakes in the same area

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