Moderate mag. 5.6 earthquake - Philippine Islands Region (Philippines) on Monday, 1 December 1975 at 12:06 (GMT)

Moderate mag. 5.6 earthquake - Philippine Islands Region (Philippines) on Monday, 1 December 1975 at 12:06 (GMT)

Moderate magnitude 5.6 earthquake at 30 km depth

Date & time: 1 Dec 1975 12:06:57 UTC
Magnitude: 5.6
Depth: 30.0 km
Epicenter latitude / longitude: 12.578°N / 126.031°E (Philippines)
Nearest volcano: Biliran (201 km / 125 mi)
Nearby towns and cities:
72 km (45 mi) NE of San Policarpo (pop: 3,580) --> See nearby quakes!
82 km (51 mi) ENE of Gamay (Northern Samar) (pop: 9,130) --> See nearby quakes!
85 km (53 mi) NE of Dolores (Eastern Samar) (pop: 9,270) --> See nearby quakes!
110 km (69 mi) E of Laoang (Northern Samar) (pop: 16,700) --> See nearby quakes!
126 km (78 mi) NNE of Borongan (Eastern Samar) (pop: 16,500) --> See nearby quakes!
153 km (95 mi) NE of Catbalogan (pop: 68,100) --> See nearby quakes!
186 km (115 mi) NE of Tacloban City (pop: 242,100) --> See nearby quakes!
256 km (159 mi) ESE of Legazpi (pop: 179,500) --> See nearby quakes!
343 km (213 mi) NE of Cebu City (pop: 798,600) --> See nearby quakes!
590 km (367 mi) ESE of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 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.
MagnitudeDepthLocationSource
M 5.630 kmPhilippine Islands region (Philippines)USGS
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 yet. If you felt it be the first to report it!
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Aftershocks of the 5.6 quake Philippine Islands Region (Philippines) 1 December 1975 12:06 GMT

More info
Recorded aftershocks, latest first (4 quakes):
  • 29 Jan 1976 19:13 UTC
    | M 4.7 |
    33 km (20.5 mi) depth
    |
    17 km (11 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13907 km (8642 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13907 km (8642 mi) distance
    | | Details
  • 29 Jan 1976 09:33 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

Moderate mag. 5.6 earthquake - Philippine Islands Region (Philippines) on Monday, 1 December 1975 at 12:06 (GMT)
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