Very strong mag. 6.1 earthquake - Philippine Sea, 147 km east of Catarman, Philippines, on Saturday, November 15, 1975 at 20:39 (GMT)

Very strong mag. 6.1 earthquake - Philippine Sea, 147 km east of Catarman, Philippines, on Saturday, November 15, 1975 at 20:39 (GMT)

Very strong magnitude 6.1 earthquake at 11 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Nov 15, 1975 20:39:25 UTC
Magnitude: 6.1
Depth: 11.0 km
Epicenter latitude / longitude: 12.946°N / 125.91°E (Philippine Sea, Philippines)
Antipode: 12.946°S / 54.09°W
Nearest volcano: Bulusan (203 km / 126 mi)
Nearby towns and cities:
88 km (55 mi) ENE of Cabatuan (pop: 2,380) --> See nearby quakes!
91 km (57 mi) NE of Gamay (Northern Samar) (pop: 9,130) --> See nearby quakes!
94 km (58 mi) NE of Arteche (Eastern Samar) (pop: 5,030) --> See nearby quakes!
97 km (60 mi) ENE of Palapag (Northern Samar) (pop: 8,340) --> See nearby quakes!
106 km (66 mi) ENE of Laoang (Northern Samar) (pop: 16,700) --> See nearby quakes!
147 km (91 mi) ENE of Catarman (pop: 47,400) --> See nearby quakes!
171 km (106 mi) NE of Catbalogan (pop: 68,100) --> See nearby quakes!
173 km (107 mi) NE of Calbayog City (pop: 67,900) --> See nearby quakes!
213 km (133 mi) NNE of Tacloban City (pop: 242,100) --> See nearby quakes!
563 km (350 mi) ESE of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy
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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.DepthLocationSource
6.111 kmSamar, PhilippinesUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (24 quakes)

Date and timeMag
Depth
LocationDetails
Apr 29, 1976 12:07
46 years ago
4.7

21 km
Philippine Sea, 86 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 26, 1976 18:07
46 years ago
5.1

62 km
Philippine Sea, 123 km NE of Laoang, PhilippinesMore
Feb 17, 1976 22:55
46 years ago
4.7

52 km
Philippine Sea, 96 km NE of Gamay, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 16, 1976 02:36
46 years ago
4.7

33 km
Philippine Sea, 99 km NE of Gamay, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 15, 1976 12:14
46 years ago
4.9

33 km
Philippine Sea, 91 km NE of Gamay, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 15, 1976 11:38
46 years ago
4.6

33 km
Philippine Sea, 95 km E of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 15, 1976 02:39
46 years ago
5.0

33 km
Philippine Sea, 99 km NE of Gamay, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 15, 1976 02:30
46 years ago
5.1

33 km
Philippine Sea, 143 km E of Catarman, PhilippinesMore
Feb 15, 1976 01:54
46 years ago
6.1

33 km
Philippine Sea, 97 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Feb 8, 1976 23:11
46 years ago
4.9

33 km
Philippine Sea, 75 km NE of Oras, Eastern Samar, Eastern Visayas, PhilippinesMore
Jan 29, 1976 19:13
46 years ago
4.7

33 km
Philippine Sea, 86 km NE of Oras, Eastern Samar, Eastern Visayas, PhilippinesMore
Jan 29, 1976 09:33
46 years ago
5.0

33 km
Philippine Sea, 89 km NE of Oras, Eastern Samar, Eastern Visayas, PhilippinesMore
Dec 14, 1975 22:14
46 years ago
5.2

33 km
Philippine Sea, 98 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Dec 1, 1975 12:06
46 years ago
5.6

30 km
Philippine Sea, 110 km E of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 27, 1975 00:38
46 years ago
4.9

33 km
Philippine Sea, 92 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 27, 1975 00:08
46 years ago
5.1

33 km
Philippine Sea, 143 km NE of Catarman, PhilippinesMore
Nov 24, 1975 14:01
46 years ago
5.4

33 km
Philippine Sea, 112 km NE of Laoang, PhilippinesMore
Nov 21, 1975 21:42
46 years ago
5.1

25 km
Philippine Sea, 134 km NE of Laoang, PhilippinesMore
Nov 20, 1975 12:10
46 years ago
5.3

33 km
Philippine Sea, 95 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 19, 1975 23:36
46 years ago
5.1

33 km
Philippine Sea, 93 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 19, 1975 23:16
46 years ago
5.1

33 km
Philippine Sea, 83 km NE of Laoang, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 19, 1975 17:51
46 years ago
4.8

33 km
Philippine Sea, 93 km NE of Gamay, Northern Samar, Eastern Visayas, PhilippinesMore
Nov 17, 1975 19:00
46 years ago
4.8

33 km
Philippine Sea, 151 km NE of Catarman, PhilippinesMore
Nov 17, 1975 14:13
46 years ago
5.5

26 km
Philippine Sea, 147 km NE of Catarman, PhilippinesMore

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