Strong mag. 6.5 earthquake - Samar, Philippines, on Tuesday, 3 July 1973 at 07:03 (GMT)

Strong mag. 6.5 earthquake  - Samar, Philippines, on Tuesday, 3 July 1973 at 07:03 (GMT)

Strong magnitude 6.5 earthquake at 33 km depth

Date & time: 3 Jul 1973 07:03:43 UTC###AGESTRINGCOPY###
Magnitude: 6.5
Depth: 33.0 km
Epicenter latitude / longitude: 12.205°N / 125.33°E (Philippines)
Nearest volcano: Biliran (115 km / 71 mi)
Nearby towns and cities:
10 km (7 mi) SW of Arteche (Eastern Samar) (pop: 5,030)
14 km (9 mi) WNW of Oras (Eastern Samar) (pop: 9,020)
20 km (13 mi) S of Gamay (Northern Samar) (pop: 9,130)
25 km (16 mi) NW of Dolores (Eastern Samar) (pop: 9,270)
45 km (28 mi) SSE of Palapag (Northern Samar) (pop: 8,340)
68 km (42 mi) NE of Catbalogan (pop: 68,100)
259 km (161 mi) NE of Lapu-Lapu City (pop: 350,500)
262 km (163 mi) NE of Cebu City (pop: 798,600)
Primary data source: USGS
Estimated released energy: 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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 6.533 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 yet. If you felt it be the first to report it!
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Aftershocks of the 6.5 quake Samar, Philippines, 3 July 07:03 UTC

More info
Recorded aftershocks, latest first (16 quakes):
  • 29 Dec 1973 16:05 UTC
    | M 4.5 |
    33 km (20.5 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    13838 km (8599 mi) distance
    | | Details
  • 23 Sep 1973 00:32 UTC
    | M 5.1 |
    99 km (61.5 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details
  • 23 Aug 1973 18:38 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 25 Jul 1973 23:09 UTC
    | M 4.6 |
    90 km (55.9 mi) depth
    |
    36 km (22 mi) distance
    | USGS | Details
  • 25 Jul 1973 21:08 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details
  • 25 Jul 1973 19:58 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    |
    49 km (31 mi) distance
    | USGS | Details
  • 12 Jul 1973 19:10 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Details
  • 08 Jul 1973 00:02 UTC
    | M 5.3 |
    47 km (29.2 mi) depth
    |
    34 km (21 mi) distance
    | USGS | Details
  • 07 Jul 1973 21:09 UTC
    | M 4.5 |
    103 km (64 mi) depth
    |
    44 km (27 mi) distance
    | USGS | Details
  • 03 Jul 1973 20:28 UTC
    | M 5.0 |
    60 km (37.3 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 03 Jul 1973 11:33 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    |
    21 km (13 mi) distance
    | USGS | Details
  • 03 Jul 1973 09:03 UTC
    | M 5.2 |
    33 km (20.5 mi) depth
    |
    9 km (6 mi) distance
    | USGS | Details
  • 03 Jul 1973 08:28 UTC
    | M 5.2 |
    40 km (24.9 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 03 Jul 1973 07:57 UTC
    | M 5.3 |
    56 km (34.8 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 03 Jul 1973 07:49 UTC
    | M 5.4 |
    51 km (31.7 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.5 earthquake - Samar, Philippines, on Tuesday, 3 July 1973 at 07:03 (GMT)
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