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M7.8 earthquake, Russia, 1915-05-01

MagnitudeM7.8mw

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Depth30 km

Time (UTC)1915-05-01 05:00

Rank in 19151 / 71among M6+

Rank since 1900159 / 14,458

Energy vs an M6×556approx.

266 km SSW of Severo-Kuril’sk, Russia · 48.39, 155.00

M6.5+ within 300 km (largest first)

2006 M8.3M8.3

2007 M8.1M8.1

1915 M7.8M7.8

1963 M7.7M7.7

2020 M7.5M7.5

2009 M7.4M7.4

1916 M7.4M7.4

1925 M7.2M7.2

1973 M7.2M7.2

1927 M7.0M7.0

1913 M7.0M7.0

1951 M7.0M7.0

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.0 1915-04-12	1915-04-12 22:15	15 km	250 km SSW of Severo-Kuril’sk, Russia
M7.0 1913-08-01	1913-08-01 17:11	15 km	285 km S of Severo-Kuril’sk, Russia
M6.5 1909-07-13	1909-07-13 13:13	250 km	232 km WSW of Severo-Kuril’sk, Russia

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.