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M6.9 earthquake, Afghanistan, 1991-01-31

MagnitudeM6.9mw

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Depth142 km

Time (UTC)1991-01-31 23:03

Rank in 199118 / 137among M6+

Rank since 19001895 / 14,458

Energy vs an M6×22approx.

77 km NW of P?r?n, Afghanistan · 35.99, 70.42

M6.5+ within 300 km (largest first)

1921 M7.8M7.8

1909 M7.7M7.7

1949 M7.5M7.5

2015 M7.5M7.5

1965 M7.4M7.4

1911 M7.4M7.4

1983 M7.4M7.4

1985 M7.4M7.4

2002 M7.4M7.4

1956 M7.3M7.3

1902 M7.2M7.2

1917 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1990-07-13	1990-07-13 14:20	217 km	50 km S of Jurm, Afghanistan
M6.0 1990-05-15	1990-05-15 14:25	113 km	77 km SE of Farkh?r, Afghanistan
M6.3 1990-03-25	1990-03-25 14:17	33 km	56 km E of Khand?d, Afghanistan
M6.2 1990-03-05	1990-03-05 20:47	12 km	62 km E of Khand?d, Afghanistan
M6.3 1990-02-05	1990-02-05 05:16	110 km	42 km ENE of Jurm, Afghanistan
M6.0 1989-07-24	1989-07-24 03:27	95 km	74 km N of P?r?n, Afghanistan
M6.3 1988-08-06	1988-08-06 09:03	195 km	48 km SSE of Jurm, Afghanistan
M6.1 1987-10-03	1987-10-03 11:00	95 km	26 km SSW of Ashk?sham, Afghanistan
M6.2 1987-05-05	1987-05-05 15:40	202 km	45 km SSW of Jurm, Afghanistan
M6.4 1985-08-02	1985-08-02 07:46	120 km	76 km S of Jurm, Afghanistan

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.