Moderate mag. 4.7 earthquake - Philippine Sea, 40 km north of Catarman, Philippines, on Wednesday, July 16, 2003 at 13:27 (GMT)
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Moderate magnitude 4.7 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 33.0 km
Epicenter latitude / longitude: 12.841°N / 124.745°E (Philippine Sea, Philippines)
Antipode: 12.841°S / 55.255°W
Nearest volcano: Bulusan (76 km / 47 mi)
Nearby towns and cities:
34 km (21 mi) N of Bugko (pop: 3,120) --> See nearby quakes!
37 km (23 mi) NNW of Pambujan (Northern Samar) (pop: 10,800) --> See nearby quakes!
40 km (25 mi) NNE of Catarman (pop: 47,400) --> See nearby quakes!
42 km (26 mi) NW of Laoang (Northern Samar) (pop: 16,700) --> See nearby quakes!
79 km (49 mi) ENE of Irosin (pop: 20,700) --> See nearby quakes!
83 km (51 mi) E of Sorsogon (pop: 82,700) --> See nearby quakes!
88 km (54 mi) N of Calbayog City (pop: 67,900) --> See nearby quakes!
96 km (60 mi) ENE of Bulan (Sorsogon) (pop: 28,500) --> See nearby quakes!
99 km (62 mi) SE of Virac (Catanduanes) (pop: 15,100) --> See nearby quakes!
451 km (280 mi) ESE of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1011 joules (197 megawatt hours, equivalent to 169 tons of TNT) | 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.
|4.7||33 km||Samar, Philippines||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.