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M6.6 earthquake, Indonesia, 1921-03-05

MagnitudeM6.6mw

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Depth20 km

Time (UTC)1921-03-05 06:24

Rank in 192120 / 61among M6+

Rank since 19003853 / 14,458

Energy vs an M6×7approx.

249 km NW of Sabang, Indonesia · 7.40, 93.64

M6.5+ within 300 km (largest first)

2010 M7.5M7.5

2004 M7.2M7.2

2005 M7.2M7.2

1955 M7.0M7.0

1936 M6.9M6.9

1964 M6.9M6.9

1983 M6.9M6.9

1917 M6.8M6.8

2005 M6.7M6.7

1942 M6.6M6.6

1973 M6.6M6.6

2004 M6.6M6.6

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.8 1917-01-20	1917-01-20 23:48	15 km	238 km WNW of Sabang, Indonesia
M6.3 1916-10-21	1916-10-21 19:25	15 km	273 km SSE of Port Blair, India
M6.2 1915-08-12	1915-08-12 09:16	15 km	Nicobar Islands, India region
M6.5 1907-11-21	1907-11-21 20:03	15 km	253 km WNW of Sabang, Indonesia

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.