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Strong mag. 6.1 earthquake - 84 km east of General Santos City, Philippines, on Sunday, February 11, 1979 at 22:22 GMT

Strong mag. 6.1 earthquake - 84 km east of General Santos City, Philippines, on Sunday, February 11, 1979 at 22:22 GMT Strong mag. 6.1 earthquake - 84 km east of General Santos City, Philippines, on Sunday, February 11, 1979 at 22:22 GMT

Strong magnitude 6.1 earthquake at 142 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Feb 11, 1979 22:22:20 UTC
Magnitude: 6.1
Depth: 142.0 km
Epicenter latitude / longitude: 5.987°N / 125.919°E (Philippine Sea, Philippines)
Antipode: 5.987°S / 54.081°W
Nearest volcano: Balut (89 km / 55 mi)
Nearby towns and cities:
26 km (16 mi) E of Mangili (pop: 3,020) --> See nearby quakes!
58 km (36 mi) SE of Malita (pop: 41,100) --> See nearby quakes!
70 km (43 mi) E of Malapatan (Sarangani) (pop: 19,400) --> See nearby quakes!
71 km (44 mi) E of Alabel (pop: 43,300) --> See nearby quakes!
78 km (48 mi) ESE of Maluñgun (pop: 52,200) --> See nearby quakes!
81 km (50 mi) ENE of Glan (Sarangani) (pop: 24,300) --> See nearby quakes!
84 km (52 mi) E of General Santos City (pop: 679,600) --> See nearby quakes!
98 km (61 mi) ESE of Polomolok (pop: 64,000) --> See nearby quakes!
125 km (78 mi) SSE of Central (pop: 1,212,500) --> See nearby quakes!
212 km (132 mi) SE of Budta (pop: 1,273,700) --> 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
6.1142 kmMindanao, 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 (6 quakes)

Date and timeMag
Depth		LocationDetails
Aug 7, 1979 08:41
43 years ago
4.1

219 km		32 km SE of Sigaboy Island, Province of Davao Oriental, PhilippinesMore
Jul 18, 1979 00:05
43 years ago
4.7

78 km		40 km SE of Malita, Davao Occidental, PhilippinesMore
Jun 8, 1979 05:40
43 years ago
4.6

167 km		60 km NE of Olanivan Island, Province of Davao del Sur, PhilippinesMore
May 6, 1979 11:10
43 years ago
4.2

89 km		90 km S of Mati, Province of Davao Oriental, PhilippinesMore
Apr 12, 1979 11:11
43 years ago
4.5

145 km		96 km SE of Malita, Davao Occidental, PhilippinesMore
Mar 28, 1979 16:54
43 years ago
5.1

111 km		81 km SE of Malita, Davao Occidental, PhilippinesMore

Earlier earthquakes in the same area

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