Quake info: Major magnitude 7.6 earthquake - Japan Sea, 25 km northwest of Murakami, Niigata, Japan, on Tuesday, June 16, 1964 at 04:01 (GMT) / VolcanoDiscovery

Major magnitude 7.6 earthquake at 15 km depth

Date & time: Jun 16, 1964 04:01:43 UTC
Magnitude: 7.6
Depth: 15.0 km
Epicenter latitude / longitude: 38.399°N / 139.29°E↗

(Japan Sea, Japan)
Antipode: 38.399°S / 40.71°W↗
Nearest volcano: Gassan (66 km / 41 mi)
Nearby towns and cities:
25 km (16 mi) NW of Murakami (pop: 31,300) --> See nearby quakes!
50 km (31 mi) N of Shibata (pop: 80,800) --> See nearby quakes!
59 km (36 mi) SW of Tsuruoka (pop: 99,800) --> See nearby quakes!
68 km (42 mi) NNE of Niitsu (pop: 65,900) --> See nearby quakes!
76 km (47 mi) SW of Sakata (pop: 100,400) --> See nearby quakes!
90 km (56 mi) NW of Yonezawa (pop: 94,500) --> See nearby quakes!
92 km (57 mi) NNE of Sandyo (pop: 82,900) --> See nearby quakes!
96 km (59 mi) W of Yamagata (pop: 254,500) --> See nearby quakes!
279 km (173 mi) N of Saitama (pop: 1,193,400) --> See nearby quakes!
303 km (189 mi) N of Tokyo (pop: 8,336,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 10¹⁶ joules (4402 gigawatt hours, equivalent to 3.8 x 10⁶ tons of TNT or 236.7 atomic bombs!) 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.

Mag.	Depth	Location	Source
7.6	15 km	near the west coast of Honshu, Japan	USGS

Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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Aftershocks

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Recorded aftershocks, latest first (12 quakes)

03 Apr 1966 04:43 UTC
| M 5.7 |
48.5 km (30.1 mi) depth
|
256 km (159 mi) distance
| USGS | Details
20 Jan 1966 01:44 UTC
| M 5.8 |
10 km (6.2 mi) depth
|
115 km (71 mi) distance
| USGS | Details
14 Nov 1965 05:54 UTC
| M 5.7 |
40 km (24.9 mi) depth
|
271 km (168 mi) distance
| USGS | Details
06 Apr 1965 05:31 UTC
| M 5.7 |
50 km (31.1 mi) depth
|
265 km (164 mi) distance
| USGS | Details
16 Feb 1965 12:24 UTC
| M 5.7 |
53.5 km (33.2 mi) depth
|
250 km (155 mi) distance
| USGS | Details
10 Dec 1964 15:11 UTC
| M 6.3 |
30 km (18.6 mi) depth
|
224 km (139 mi) distance
| USGS | Very strong mag. 6.3 earthquake - Japan Sea, 80 km west of Noshiro, Akita, Japan, on Thursday, December 10, 1964 at 15:11 (GMT)
27 Nov 1964 13:47 UTC
| M 6.0 |
15 km (9.3 mi) depth
|
91 km (57 mi) distance
| USGS | Very strong mag. 6.0 earthquake - Japan Sea, 23 km south of Ryōtsu-minato, Sado Shi, Niigata, Japan, on Friday, November 27, 1964 at 13:47 (GMT)
12 Jul 1964 01:45 UTC
| M 6.0 |
12.5 km (7.8 mi) depth
|
24 km (15 mi) distance
| USGS | Very strong mag. 6.0 earthquake - Japan Sea, 46 km west of Tsuruoka, Yamagata, Japan, on Sunday, July 12, 1964 at 01:45 (GMT)
19 Jun 1964 10:05 UTC
| M 5.7 |
17.5 km (10.9 mi) depth
|
49 km (30 mi) distance
| USGS | Details
16 Jun 1964 07:14 UTC
| M 6.2 |
15 km (9.3 mi) depth
|
8 km (5 mi) distance
| USGS | Very strong mag. 6.2 earthquake - Japan Sea, 21 km northwest of Murakami, Niigata, Japan, on Tuesday, June 16, 1964 at 07:14 (GMT)
16 Jun 1964 06:53 UTC
| M 6.5 |
10 km (6.2 mi) depth
|
31 km (19 mi) distance
| USGS | Major magnitude 6.5 earthquake - Japan Sea, 55 km west of Tsuruoka, Yamagata, Japan, on Tuesday, June 16, 1964 at 06:53 (GMT)
16 Jun 1964 04:17 UTC
| M 5.7 |
15 km (9.3 mi) depth
|
37 km (23 mi) distance
| USGS | Details

Earlier earthquakes in the same area

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