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M8.0 earthquake, 1989 Macquarie Ridge Earthquake, 1989-05-23

MagnitudeM8.0mwc

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Depth10 km

Time (UTC)1989-05-23 10:54

Rank in 19891 / 137among M6+

Rank since 190079 / 14,458

Energy vs an M6×1,072approx.

1989 Macquarie Ridge Earthquake · -52.34, 160.57

M6.5+ within 300 km (largest first)

1989 M8.0M8.0

1943 M7.5M7.5

1926 M7.5M7.5

1969 M7.0M7.0

1966 M7.0M7.0

1955 M7.0M7.0

1982 M7.0M7.0

2022 M6.9M6.9

1960 M6.8M6.8

1977 M6.7M6.7

2007 M6.6M6.6

1980 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.1 1984-05-23	1984-05-23 05:16	10 km	north of Macquarie Island
M7.0 1982-07-07	1982-07-07 10:43	10 km	north of Macquarie Island
M6.5 1980-02-07	1980-02-07 10:49	10 km	Macquarie Island region
M6.0 1979-04-23	1979-04-23 21:54	10 km	Macquarie Island region
M6.7 1977-07-21	1977-07-21 11:53	33 km	Macquarie Island region
M7.0 1969-06-17	1969-06-17 23:58	10 km	Macquarie Island region
M7.0 1966-05-25	1966-05-25 13:20	10 km	Macquarie Island region
M6.8 1960-12-13	1960-12-13 07:36	15 km	north of Macquarie Island
M7.0 1955-01-05	1955-01-05 00:50	15 km	Auckland Islands, New Zealand region
M6.2 1949-07-02	1949-07-02 11:27	15 km	Auckland Islands, New Zealand region

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.