Very strong mag. 6.3 earthquake - Sagayaran Island, 40 km south of Pagadian City, Philippines, on Monday, December 30, 2002 at 04:49 GMT
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Very strong magnitude 6.3 earthquake at 10 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Magnitude: 6.3
Depth: 10.0 km
Epicenter latitude / longitude: 7.471°N / 123.407°E

Antipode: 7.471°S / 56.593°W
Nearest volcano: Imbing (30 km / 19 mi)
Nearby towns and cities:
0 km (0 mi) NNW of Tabina (Zamboanga del Sur) (pop: 5,070) --> See nearby quakes!
40 km (25 mi) S of Pagadian City (pop: 186,900) --> See nearby quakes!
40 km (25 mi) S of Muricay (pop: 132,100) --> See nearby quakes!
69 km (43 mi) S of Molave (Zamboanga del Sur) (pop: 21,100) --> See nearby quakes!
76 km (47 mi) SSW of Tangub (Misamis Occidental) (pop: 29,700) --> See nearby quakes!
89 km (55 mi) SSW of Ozamiz City (pop: 93,100) --> See nearby quakes!
96 km (60 mi) W of Parang (pop: 44,900) --> See nearby quakes!
97 km (60 mi) WNW of Cotabato City (pop: 179,400) --> See nearby quakes!
118 km (73 mi) WNW of Budta (pop: 1,273,700) --> See nearby quakes!
836 km (520 mi) SSE of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) | about seismic energy
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag. | Depth | Location | Source |
6.3 | 10 km | Mindanao, Philippines | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (11 quakes)
Date and time![]() | Mag Depth | Location | Details |
May 27, 2003 16:06 19 years ago | 4.7 600 km | 46 km SW of Cotabato City, PH.14.B8, Mindanao Musulman, Philippines | More |
May 27, 2003 05:31 19 years ago | 4.5 583 km | 67 km SW of Cotabato City, PH.14.B8, Mindanao Musulman, Philippines | More |
May 26, 2003 23:53 19 years ago | 4.8 600 km | 67 km SW of Cotabato City, PH.14.B8, Mindanao Musulman, Philippines | More |
May 26, 2003 23:49 19 years ago | 4.5 621 km | 78 km SW of Cotabato City, PH.14.B8, Mindanao Musulman, Philippines | More |
May 26, 2003 23:13 19 years ago | 6.9 566 km | 79 km SW of Cotabato City, PH.14.B8, Mindanao Musulman, Philippines | More |
Apr 30, 2003 11:16 19 years ago | 4.4 33 km | 25 km NW of Bongo Island, Philippines | More |
Feb 10, 2003 06:01 19 years ago | 4.6 33 km | 123 km E of Zamboanga, Zamboanga Peninsula, Philippines | More |
Dec 30, 2002 20:52 19 years ago | 4.4 10 km | 60 km S of Muricay, Zamboanga del Sur, Zamboanga Peninsula, Philippines | More |
Dec 30, 2002 09:32 19 years ago | 4.2 10 km | Sagayaran Island, 38 km S of Pagadian City, Philippines | More |
Dec 30, 2002 08:56 19 years ago | 4.3 10 km | 26 km SE of Sagayaran Island, Philippines | More |
Dec 30, 2002 05:01 19 years ago | 4.9 10 km | 34 km S of Sagayaran Island, Zamboanga del Sur, Zamboanga Peninsula, Philippines | More |
Earlier earthquakes in the same area
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