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M6.5 earthquake, South Shetland Islands, 2026-03-20

MagnitudeM6.5mww

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Depth21 km

Time (UTC)2026-03-20 00:22

Rank in 202625 / 102among M6+

Rank since 19004718 / 14,458

Energy vs an M6×6approx.

South Shetland Islands · -61.19, -56.40

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

None

M6.5+ within 300 km (largest first)

2021 M6.9M6.9

1983 M6.9M6.9

1907 M6.7M6.7

1933 M6.6M6.6

2012 M6.6M6.6

2026 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.9 2021-01-23	2021-01-23 23:36	15 km	South Shetland Islands
M6.0 2012-01-15	2012-01-15 14:21	10 km	South Shetland Islands
M6.6 2012-01-15	2012-01-15 13:40	8 km	South Shetland Islands
M6.2 1992-06-17	1992-06-17 08:39	10 km	South Shetland Islands
M6.9 1983-07-11	1983-07-11 12:56	10 km	South Shetland Islands
M6.0 1981-01-18	1981-01-18 03:06	22 km	South Shetland Islands
M6.3 1969-09-27	1969-09-27 09:04	10 km	South Shetland Islands
M6.1 1964-04-19	1964-04-19 14:12	10 km	South Shetland Islands
M6.0 1937-10-07	1937-10-07 07:51	15 km	South Shetland Islands
M6.6 1933-10-26	1933-10-26 12:07	10 km	South Shetland 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.