Very strong mag. 6.4 earthquake - Philippine Sea, 61 km southeast of Suklayin, Philippines, on Wednesday, August 28, 1968 at 20:42 (GMT)
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Very strong magnitude 6.4 earthquake at 20 km depth
Depth: 20.0 km
Epicenter latitude / longitude: 15.51°N / 122.058°E (Philippine Sea, Philippines)
Antipode: 15.51°S / 57.942°W
Nearest volcano: Malepunyo (109 km / 68 mi)
Nearby towns and cities:
94 km (58 mi) E of Laur (Nueva Ecija) (pop: 19,200) --> See nearby quakes!
99 km (61 mi) E of Bongabon (Nueva Ecija) (pop: 36,200) --> See nearby quakes!
117 km (73 mi) E of Cabanatuan City (pop: 220,300) --> See nearby quakes!
124 km (77 mi) NE of Rodriguez (pop: 134,400) --> See nearby quakes!
133 km (83 mi) NE of San Jose del Monte (pop: 357,800) --> See nearby quakes!
135 km (84 mi) NE of San Mateo (pop: 134,300) --> See nearby quakes!
144 km (90 mi) NE of Quezon City (pop: 2,761,700) --> See nearby quakes!
153 km (95 mi) NE of Manila (pop: 1,600,000) --> See nearby quakes!
157 km (97 mi) ENE of San Fernando City (pop: 251,200) --> See nearby quakes!
173 km (108 mi) NNE of Calamba (pop: 316,600) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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.
|6.4||20 km||Philippine Islands region (Philippines)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (1 quake)
|Date and time||Mag|
|Nov 22, 1968 08:59|
53 years ago
|Philippine Sea, 63 km E of Maddela, Philippines||More|