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M7.1 earthquake, Japan, 1962-04-23

MagnitudeM7.1mw

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Depth60 km

Time (UTC)1962-04-23 05:58

Rank in 19626 / 98among M6+

Rank since 19001131 / 14,458

Energy vs an M6×45approx.

62 km SE of Obihiro, Japan · 42.51, 143.73

M6.5+ within 300 km (largest first)

1968 M8.2M8.2

2003 M8.2M8.2

1952 M8.1M8.1

1960 M8.0M8.0

1931 M7.9M7.9

1968 M7.9M7.9

1994 M7.8M7.8

1919 M7.7M7.7

1973 M7.7M7.7

1993 M7.6M7.6

2025 M7.6M7.6

1901 M7.5M7.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1962-02-20	1962-02-20 16:05	51 km	49 km ESE of Kushiro, Japan
M6.0 1962-01-09	1962-01-09 12:40	49 km	68 km ESE of Kushiro, Japan
M6.5 1961-11-15	1961-11-15 07:17	43 km	51 km SSW of Nemuro, Japan
M7.0 1961-08-11	1961-08-11 15:51	44 km	48 km SW of Nemuro, Japan
M6.8 1960-07-29	1960-07-29 17:31	53 km	51 km ENE of Kuji, Japan
M8.0 1960-03-20	1960-03-20 17:07	15 km	113 km ENE of Miyako, Japan
M6.5 1959-11-08	1959-11-08 13:55	30 km	72 km W of Rumoi, Japan
M6.4 1959-01-30	1959-01-30 22:16	25 km	50 km N of Kushiro, Japan
M6.4 1959-01-30	1959-01-30 20:39	25 km	45 km NNE of Kushiro, Japan
M6.2 1959-01-22	1959-01-22 07:33	15 km	49 km SSE of Motomachi, Japan

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.