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M6.5 earthquake, west of Macquarie Island, 1981-04-27

MagnitudeM6.5ms

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Depth10 km

Time (UTC)1981-04-27 18:17

Rank in 198125 / 83among M6+

Rank since 19004314 / 14,458

Energy vs an M6×6approx.

west of Macquarie Island · -57.59, 148.08

M6.5+ within 300 km (largest first)

1940 M6.7M6.7

2008 M6.5M6.5

1981 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.2 1981-04-09	1981-04-09 08:37	10 km	west of Macquarie Island
M6.4 1980-05-09	1980-05-09 22:32	10 km	west of Macquarie Island
M6.3 1964-04-27	1964-04-27 06:44	10 km	west of Macquarie Island
M6.3 1963-07-20	1963-07-20 06:36	15 km	west of Macquarie Island
M6.2 1963-06-10	1963-06-10 06:39	15 km	west of Macquarie Island
M6.1 1963-06-10	1963-06-10 04:16	15 km	west of Macquarie Island
M6.5 1958-10-01	1958-10-01 09:29	10 km	west of Macquarie Island
M6.1 1955-03-23	1955-03-23 17:16	15 km	west of Macquarie Island
M6.4 1954-04-27	1954-04-27 21:21	10 km	west of Macquarie Island
M6.3 1950-06-11	1950-06-11 22:11	15 km	west of Macquarie Island

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.