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M6.6 earthquake, Svalbard and Jan Mayen, 1923-10-10

MagnitudeM6.6mw

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Depth15 km

Time (UTC)1923-10-10 07:11

Rank in 192339 / 93among M6+

Rank since 19003921 / 14,458

Energy vs an M6×7approx.

66 km NNW of Olonkinbyen, Svalbard and Jan Mayen · 71.47, -9.43

M6.5+ within 300 km (largest first)

2012 M6.8M6.8

2018 M6.7M6.7

1923 M6.6M6.6

1975 M6.5M6.5

2025 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1922-04-08	1922-04-08 20:42	15 km	16 km NNE of Olonkinbyen, Svalbard and Jan Mayen
M6.1 1919-02-02	1919-02-02 20:03	10 km	150 km ENE of Olonkinbyen, Svalbard and Jan Mayen
M6.3 1906-03-19	1906-03-19 07:56	15 km	127 km NE of Olonkinbyen, Svalbard and Jan Mayen

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.