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M6.5 earthquake, southern East Pacific Rise, 1971-04-04

MagnitudeM6.5mw

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Depth10 km

Time (UTC)1971-04-04 10:15

Rank in 197149 / 143among M6+

Rank since 19004265 / 14,458

Energy vs an M6×6approx.

southern East Pacific Rise · -56.29, -122.73

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
M6.1 1969-08-18	1969-08-18 01:04	10 km	southern East Pacific Rise
M6.1 1965-11-12	1965-11-12 02:04	10 km	southern East Pacific Rise
M6.3 1957-05-02	1957-05-02 10:34	15 km	southern East Pacific Rise
M6.3 1956-10-19	1956-10-19 14:05	15 km	southern East Pacific Rise
M6.0 1952-07-22	1952-07-22 22:50	10 km	southern East Pacific Rise
M6.6 1944-09-03	1944-09-03 19:11	10 km	southern East Pacific Rise
M6.3 1935-05-16	1935-05-16 20:41	10 km	southern East Pacific Rise
M6.0 1929-08-04	1929-08-04 22:16	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.