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M6.8 earthquake, Alaska Peninsula, 1912-06-08

MagnitudeM6.8ms

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Depth–

Time (UTC)1912-06-08 08:48

Rank in 191216 / 59among M6+

Rank since 19002229 / 14,458

Energy vs an M6×16approx.

Event 37 Novarupta-Mount Katmai area, Alaska Peninsula · 58.30, -155.00

M6.5+ within 300 km (largest first)

1900 M7.9M7.9

2016 M7.1M7.1

1912 M7.1M7.1

1923 M7.0M7.0

1912 M7.0M7.0

1999 M7.0M7.0

1951 M6.9M6.9

1964 M6.9M6.9

2021 M6.9M6.9

2001 M6.9M6.9

2015 M6.8M6.8

1986 M6.8M6.8

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.0 1912-06-08	1912-06-08 07:36	–	Event 36 Novarupta-Mount Katmai area, Alaska Peninsula
M6.3 1912-06-08	1912-06-08 06:49	–	Event 35 Novarupta-Mount Katmai area, Alaska Peninsula
M6.0 1912-06-08	1912-06-08 06:11	–	Event 33 Novarupta-Mount Katmai area, Alaska Peninsula
M6.5 1912-06-07	1912-06-07 18:25	–	Event 21 Novarupta-Mount Katmai area, Alaska Peninsula
M6.1 1912-06-07	1912-06-07 12:23	–	Event 19 Novarupta-Mount Katmai area, Alaska Peninsula
M6.3 1912-06-07	1912-06-07 10:35	–	Event 18 Novarupta-Mount Katmai area, Alaska Peninsula
M6.3 1912-06-07	1912-06-07 09:56	–	Event 17 Novarupta-Mount Katmai area, Alaska Peninsula
M6.1 1911-09-13	1911-09-13 03:04	35 km	132 km E of Chignik, Alaska
M7.9 1900-10-09	1900-10-09 12:28	20 km	Kodiak Island region, Alaska

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.