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M7.7 earthquake, Russia, 2017-07-17

MagnitudeM7.7mww

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Depth10 km

Time (UTC)2017-07-17 23:34

Rank in 20173 / 110among M6+

Rank since 1900294 / 14,458

Energy vs an M6×355approx.

Komandorskiye Ostrova, Russia region · 54.44, 168.86

M5.5+ within 100 km in the next 30 days

Event	Time (UTC)	Depth	Place
M5.5 2017-07-28	2017-07-28 02:39	10 km	Komandorskiye Ostrova, Russia region

M6.5+ within 300 km (largest first)

1929 M7.9M7.9

2017 M7.7M7.7

2018 M7.3M7.3

1990 M7.1M7.1

1925 M7.0M7.0

1909 M7.0M7.0

1953 M7.0M7.0

1988 M6.9M6.9

2017 M6.8M6.8

1962 M6.7M6.7

1977 M6.7M6.7

2003 M6.7M6.7

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.3 2017-07-17	2017-07-17 11:05	9 km	Komandorskiye Ostrova, Russia region
M6.8 2017-06-02	2017-06-02 22:24	5 km	200 km NW of Attu Station, Alaska
M6.2 2017-03-27	2017-03-27 10:50	20 km	63 km W of Attu Station, Alaska
M6.1 2016-09-05	2016-09-05 22:54	8 km	Komandorskiye Ostrova, Russia region
M6.0 2012-06-19	2012-06-19 15:56	14 km	119 km WNW of Attu Station, Alaska
M6.4 2010-12-23	2010-12-23 14:00	18 km	139 km WNW of Attu Station, Alaska
M6.7 2003-12-05	2003-12-05 21:26	10 km	220 km ESE of Ust’-Kamchatsk Staryy, Russia
M6.0 2001-11-13	2001-11-13 10:43	33 km	196 km WNW of Attu Station, Alaska
M6.0 1999-11-26	1999-11-26 00:29	33 km	218 km SE of Ust’-Kamchatsk Staryy, Russia
M6.1 1999-09-28	1999-09-28 05:00	33 km	Komandorskiye Ostrova, Russia 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.