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M6.9 earthquake, Vietnam, 1983-06-24

MagnitudeM6.9ms

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Depth33 km

Time (UTC)1983-06-24 09:07

Rank in 198317 / 136among M6+

Rank since 19001869 / 14,458

Energy vs an M6×22approx.

43 km W of Dien Bien Phu, Vietnam · 21.40, 102.60

M6.5+ within 300 km (largest first)

1950 M6.9M6.9

2011 M6.9M6.9

1983 M6.9M6.9

1935 M6.8M6.8

1950 M6.7M6.7

1925 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 1983-06-24	1983-06-24 07:18	18 km	45 km NE of Dien Bien Phu, Vietnam
M6.2 1979-03-15	1979-03-15 12:52	33 km	124 km S of Jianshui, China
M6.4 1973-08-16	1973-08-16 03:58	33 km	123 km NNE of Jinghong, China
M6.1 1971-09-14	1971-09-14 03:11	23 km	11 km NNW of Simao, China
M6.0 1971-04-28	1971-04-28 15:32	10 km	22 km NE of Simao, China
M6.2 1952-12-08	1952-12-08 15:09	15 km	97 km NW of Jinghong, China
M6.0 1950-09-13	1950-09-13 00:03	15 km	5 km SW of Gejiu, China
M6.7 1950-02-03	1950-02-03 02:51	35 km	26 km NNE of K?ng Tung, Myanmar
M6.9 1950-02-02	1950-02-02 23:33	35 km	23 km NNE of K?ng Tung, Myanmar
M6.4 1942-01-31	1942-01-31 17:30	35 km	69 km ENE of Jinghong, China

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.