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M6.6 earthquake, Philippines, 1988-11-17

MagnitudeM6.6mw

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Depth19 km

Time (UTC)1988-11-17 06:55

Rank in 198837 / 122among M6+

Rank since 19003520 / 14,458

Energy vs an M6×8approx.

10 km W of Polañge, Philippines · 12.40, 124.54

M6.5+ within 300 km (largest first)

2012 M7.6M7.6

1907 M7.5M7.5

1907 M7.4M7.4

1943 M7.4M7.4

1988 M7.3M7.3

1925 M7.2M7.2

1975 M7.2M7.2

1995 M7.2M7.2

1908 M7.1M7.1

2013 M7.1M7.1

1982 M7.1M7.1

1990 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M7.3 1988-02-24	1988-02-24 03:52	25 km	37 km ESE of Bato, Philippines
M6.4 1987-11-18	1987-11-18 16:27	22 km	34 km N of Bugko, Philippines
M6.2 1987-06-14	1987-06-14 05:07	13 km	46 km NNE of Santa Monica, Philippines
M6.5 1987-06-06	1987-06-06 18:40	14 km	42 km SE of Sulangan, Philippines
M6.1 1986-06-03	1986-06-03 14:40	67 km	40 km NNW of Santa Monica, Philippines
M6.4 1982-01-24	1982-01-24 06:08	37 km	19 km ENE of Pandan, Philippines
M7.1 1982-01-11	1982-01-11 06:10	46 km	4 km SW of Gigmoto, Philippines
M6.0 1981-09-04	1981-09-04 11:15	644 km	1 km ENE of Clarin, Philippines
M6.1 1980-10-26	1980-10-26 05:14	48 km	5 km E of San Julian, Philippines
M6.0 1976-08-17	1976-08-17 01:11	34 km	19 km NW of San Benito, Philippines

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.