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M7.6 earthquake, Northern Mariana Islands, 1990-04-05

MagnitudeM7.6mw

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Depth11 km

Time (UTC)1990-04-05 21:12

Rank in 19904 / 153among M6+

Rank since 1900364 / 14,458

Energy vs an M6×251approx.

198 km E of Saipan, Northern Mariana Islands · 15.12, 147.60

M6.5+ within 300 km (largest first)

1990 M7.6M7.6

1940 M7.5M7.5

1949 M7.1M7.1

1913 M7.0M7.0

1942 M7.0M7.0

1970 M6.6M6.6

2005 M6.6M6.6

1938 M6.5M6.5

2002 M6.5M6.5

1993 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1984-09-22	1984-09-22 18:10	98 km	61 km ENE of Yigo Village, Guam
M6.6 1970-09-01	1970-09-01 05:11	25 km	Mariana Islands region
M6.1 1966-05-20	1966-05-20 09:14	18 km	145 km SE of San Jose Village, Northern Mariana Islands
M6.0 1959-01-13	1959-01-13 01:15	15 km	134 km E of Yigo Village, Guam
M7.1 1949-07-02	1949-07-02 19:57	15 km	233 km NE of Saipan, Northern Mariana Islands
M6.2 1948-01-17	1948-01-17 07:11	35 km	112 km ENE of Saipan, Northern Mariana Islands
M7.0 1942-06-14	1942-06-14 03:09	15 km	233 km ESE of Saipan, Northern Mariana Islands
M6.2 1941-07-26	1941-07-26 20:11	15 km	42 km N of Saipan, Northern Mariana Islands
M7.5 1940-01-17	1940-01-17 01:14	15 km	Mariana Islands region
M6.5 1938-12-01	1938-12-01 02:12	25 km	258 km NE of Saipan, Northern Mariana Islands

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.