Very strong mag. 6.0 earthquake - 43 km north of Butuan, Province of Agusan del Norte, Caraga, Philippines, on Tuesday, May 1, 1979 at 00:39 (GMT)

Very strong mag. 6.0 earthquake - 43 km north of Butuan, Province of Agusan del Norte, Caraga, Philippines, on Tuesday, May 1, 1979 at 00:39 (GMT)

Very strong magnitude 6.0 earthquake at 23 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: May 1, 1979 00:39:30 UTC
Magnitude: 6
Depth: 23.0 km
Epicenter latitude / longitude: 9.33°N / 125.614°E (Province of Agusan del Norte, Caraga, Philippines)
Antipode: 9.33°S / 54.386°W
Nearest volcano: Paco (31 km / 19 mi)
Nearby towns and cities:
11 km (7 mi) E of Jabonga (pop: 3,250) --> See nearby quakes!
25 km (15 mi) NNE of Cabadbaran (pop: 31,100) --> See nearby quakes!
43 km (27 mi) N of Butuan (pop: 309,700) --> See nearby quakes!
45 km (28 mi) NNE of Libertad (pop: 250,400) --> See nearby quakes!
45 km (28 mi) NNE of Buenavista (pop: 18,700) --> See nearby quakes!
53 km (33 mi) SSE of Surigao City (pop: 87,800) --> See nearby quakes!
66 km (41 mi) NNW of Bayugan (pop: 40,600) --> See nearby quakes!
70 km (44 mi) WNW of Tandag (pop: 29,000) --> See nearby quakes!
218 km (136 mi) ESE of Cebu City (Central Visayas) (pop: 798,600) --> See nearby quakes!
773 km (480 mi) SE of Manila (National Capital Region) (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 6.3 x 1013 joules (17.5 gigawatt hours, equivalent to 15080 tons of TNT or 0.9 atomic bombs!) More info
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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
6.023 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 (9 quakes)

Date and timeMag
Depth
LocationDetails
Jun 7, 1979 01:19
43 years ago
4.3

67 km
Bohol Sea, 59 km NW of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 12, 1979 00:03
43 years ago
5.0

66 km
50 km N of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 3, 1979 19:00
43 years ago
5.0

33 km
Bagong Island, 36 km SE of Surigao City, PhilippinesMore
May 3, 1979 13:10
43 years ago
4.2

51 km
49 km N of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 2, 1979 01:46
43 years ago
5.2

34 km
56 km N of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 2, 1979 00:52
43 years ago
4.7

24 km
54 km N of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 1, 1979 10:47
43 years ago
5.3

42 km
Province of Surigao del Norte, 56 km N of Butuan, PhilippinesMore
May 1, 1979 06:10
43 years ago
5.0

47 km
38 km N of Butuan, Province of Agusan del Norte, Caraga, PhilippinesMore
May 1, 1979 04:47
43 years ago
5.0

51 km
Mindanao, PhilippinesMore

Earlier earthquakes in the same area

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