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M6.6 earthquake, southern East Pacific Rise, 2026-05-20

MagnitudeM6.6mww

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Depth10 km

Time (UTC)2026-05-20 17:43

Rank in 202620 / 102among M6+

Rank since 19003815 / 14,458

Energy vs an M6×8approx.

southern East Pacific Rise · -56.00, -122.30

M5.5+ within 100 km in the next 30 days

Event	Time (UTC)	Depth	Place
M5.5 2026-05-20	2026-05-20 18:36	10 km	southern East Pacific Rise

M6.5+ within 300 km (largest first)

2001 M6.7M6.7

1944 M6.6M6.6

2026 M6.6M6.6

1971 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 2022-09-04	2022-09-04 23:57	10 km	southern East Pacific Rise
M6.0 2019-10-01	2019-10-01 03:56	10 km	southern East Pacific Rise
M6.3 2018-11-15	2018-11-15 23:09	10 km	southern East Pacific Rise
M6.0 2016-08-18	2016-08-18 18:09	10 km	southern East Pacific Rise
M6.1 2016-02-16	2016-02-16 23:48	13 km	southern East Pacific Rise
M6.2 2015-12-24	2015-12-24 19:44	12 km	southern East Pacific Rise
M6.0 2011-11-11	2011-11-11 10:41	10 km	southern East Pacific Rise
M6.0 2009-12-03	2009-12-03 06:12	10 km	southern East Pacific Rise
M6.1 2009-08-01	2009-08-01 13:33	10 km	southern East Pacific Rise
M6.2 2007-03-31	2007-03-31 12:49	10 km	southern East Pacific Rise

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.