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M7.8 earthquake, Vanuatu, 2009-10-07

MagnitudeM7.8mwc

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Depth35 km

Time (UTC)2009-10-07 22:18

Rank in 20093 / 160among M6+

Rank since 1900207 / 14,458

Energy vs an M6×501approx.

196 km NW of Sola, Vanuatu · -12.52, 166.38

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

Event	Time (UTC)	Depth	Place
M5.6 2009-10-07	2009-10-07 22:26	35 km	177 km SSE of Lata, Solomon Islands
M6.8 2009-10-07	2009-10-07 22:50	21 km	186 km S of Lata, Solomon Islands
M7.4 2009-10-07	2009-10-07 23:13	31 km	143 km NW of Sola, Vanuatu
M5.5 2009-10-07	2009-10-07 23:23	36 km	204 km S of Lata, Solomon Islands
M5.8 2009-10-07	2009-10-07 23:54	35 km	147 km WNW of Sola, Vanuatu
M5.9 2009-10-08	2009-10-08 01:59	35 km	130 km S of Lata, Solomon Islands
M5.8 2009-10-08	2009-10-08 02:12	35 km	111 km SSE of Lata, Solomon Islands
M6.0 2009-10-08	2009-10-08 08:34	35 km	183 km SSE of Lata, Solomon Islands
M6.0 2009-10-08	2009-10-08 21:16	35 km	171 km NW of Sola, Vanuatu
M5.7 2009-10-08	2009-10-08 23:35	35 km	187 km NNW of Sola, Vanuatu
M5.6 2009-10-09	2009-10-09 07:33	35 km	154 km WNW of Sola, Vanuatu
M5.6 2009-10-09	2009-10-09 09:14	35 km	111 km S of Lata, Solomon Islands
M5.6 2009-10-09	2009-10-09 13:12	35 km	127 km WNW of Sola, Vanuatu
M5.7 2009-10-11	2009-10-11 04:47	45 km	183 km WNW of Sola, Vanuatu
M6.2 2009-10-12	2009-10-12 09:37	42 km	198 km NW of Sola, Vanuatu
M5.5 2009-10-12	2009-10-12 12:44	42 km	121 km SSE of Lata, Solomon Islands
M5.6 2009-10-17	2009-10-17 13:18	35 km	155 km NW of Sola, Vanuatu
M6.0 2009-10-23	2009-10-23 15:14	31 km	164 km S of Lata, Solomon Islands

M6.5+ within 300 km (largest first)

2013 M8.0M8.0

1980 M7.9M7.9

1957 M7.8M7.8

1966 M7.8M7.8

2009 M7.8M7.8

1934 M7.7M7.7

1965 M7.7M7.7

1997 M7.7M7.7

2009 M7.7M7.7

1973 M7.5M7.5

1980 M7.5M7.5

1963 M7.4M7.4

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.7 2009-10-07	2009-10-07 22:03	45 km	148 km NW of Sola, Vanuatu
M6.6 2009-08-10	2009-08-10 04:06	35 km	103 km SSE of Lata, Solomon Islands
M6.0 2008-12-10	2008-12-10 13:15	51 km	197 km SSE of Lata, Solomon Islands
M6.9 2008-09-08	2008-09-08 18:52	110 km	75 km WNW of Sola, Vanuatu
M6.2 2008-07-19	2008-07-19 11:01	10 km	134 km WSW of Lata, Solomon Islands
M6.6 2008-07-19	2008-07-19 09:27	11 km	146 km WSW of Lata, Solomon Islands
M6.3 2007-09-02	2007-09-02 02:35	37 km	115 km S of Lata, Solomon Islands
M7.2 2007-09-02	2007-09-02 01:05	35 km	97 km S of Lata, Solomon Islands
M6.0 2007-08-12	2007-08-12 12:05	42 km	88 km SE of Lata, Solomon Islands
M6.4 2007-04-25	2007-04-25 13:34	55 km	86 km NNW of Port-Olry, Vanuatu

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.