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M6.6 earthquake, Mariana Islands, 1970-09-01

MagnitudeM6.6mw

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Depth25 km

Time (UTC)1970-09-01 05:11

Rank in 197039 / 152among M6+

Rank since 19003445 / 14,458

Energy vs an M6×8approx.

Mariana Islands region · 17.72, 147.68

M6.5+ within 300 km (largest first)

1940 M7.7M7.7

2016 M7.7M7.7

1990 M7.6M7.6

1902 M7.5M7.5

1940 M7.5M7.5

1930 M7.2M7.2

2007 M7.2M7.2

1949 M7.1M7.1

1995 M7.1M7.1

2013 M6.8M6.8

2024 M6.8M6.8

1954 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1970-05-10	1970-05-10 20:05	605 km	Pagan region, Northern Mariana Islands
M6.5 1969-06-17	1969-06-17 19:26	203 km	Maug Islands region, Northern Mariana Islands
M6.0 1961-08-27	1961-08-27 16:47	35 km	Alamagan region, Northern Mariana Islands
M6.7 1954-11-15	1954-11-15 16:26	189 km	Pagan region, Northern Mariana Islands
M6.0 1953-07-30	1953-07-30 23:44	200 km	Pagan region, Northern Mariana Islands
M6.1 1951-06-24	1951-06-24 10:55	35 km	Mariana Islands region
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
M6.3 1941-08-30	1941-08-30 13:07	35 km	Pagan region, Northern Mariana Islands
M6.3 1941-08-30	1941-08-30 09:36	35 km	Mariana Islands region

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.