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M6.8 earthquake, Russia, 1987-05-07

MagnitudeM6.8mw

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Depth430 km

Time (UTC)1987-05-07 03:05

Rank in 198724 / 166among M6+

Rank since 19002341 / 14,458

Energy vs an M6×16approx.

72 km ENE of Svetlaya, Russia · 46.74, 139.23

M6.5+ within 300 km (largest first)

1940 M7.5M7.5

1905 M7.3M7.3

1971 M7.3M7.3

1939 M7.0M7.0

1911 M7.0M7.0

1971 M6.8M6.8

2003 M6.8M6.8

1987 M6.8M6.8

1971 M6.5M6.5

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.5 1971-09-27	1971-09-27 19:01	20 km	56 km W of Shebunino, Russia
M6.5 1971-09-08	1971-09-08 16:59	14 km	69 km WSW of Shebunino, Russia
M6.8 1971-09-08	1971-09-08 11:48	27 km	56 km W of Shebunino, Russia
M6.1 1971-09-06	1971-09-06 13:37	21 km	30 km W of Nevel’sk, Russia
M7.3 1971-09-05	1971-09-05 18:35	18 km	50 km W of Gornozavodsk, Russia
M6.3 1969-12-18	1969-12-18 13:32	345 km	47 km ESE of Shebunino, Russia
M7.5 1940-08-01	1940-08-01 15:08	15 km	137 km WSW of Rishiri Town, Japan
M7.0 1939-04-21	1939-04-21 04:29	530 km	155 km SSW of Sovetskaya Gavan’, Russia
M7.0 1911-09-06	1911-09-06 00:54	320 km	79 km S of Korsakov, Russia
M7.3 1905-09-01	1905-09-01 02:45	255 km	22 km ESE of Makubetsu, Japan

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.