Very strong mag. 6.4 earthquake - Sulu Sea, 37 km southwest of Sipalay, Philippines, on Monday, 11 July 2011 at 20:47 (GMT)

Very strong mag. 6.4 earthquake - Sulu Sea, 37 km southwest of Sipalay, Philippines, on Monday, 11 July 2011 at 20:47 (GMT)

Very strong magnitude 6.4 earthquake at 19 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: 11 Jul 2011 20:47:04 UTC
Magnitude: 6.4
Depth: 19.0 km
Epicenter latitude / longitude: 9.509°N / 122.175°E (Sulu Sea, Philippines)
Nearest volcano: Cuernos de Negros (113 km / 70 mi)
Nearby towns and cities:
34 km (21 mi) SW of Maricalom (pop: 4,460) --> See nearby quakes!
37 km (23 mi) SW of Sipalay (pop: 24,000) --> See nearby quakes!
38 km (23 mi) W of Asia (Negros Occidental) (pop: 23,500) --> See nearby quakes!
46 km (29 mi) SSW of Bulata (Negros Occidental) (pop: 5,150) --> See nearby quakes!
71 km (44 mi) WNW of Bayawan (Negros Oriental) (pop: 36,100) --> See nearby quakes!
78 km (48 mi) WNW of Santa Catalina (Negros Oriental) (pop: 26,500) --> See nearby quakes!
88 km (55 mi) SW of Kabankalan (pop: 136,500) --> See nearby quakes!
95 km (59 mi) SW of Suay (Negros Occidental) (pop: 19,700) --> See nearby quakes!
154 km (96 mi) SSW of Bacolod City (pop: 454,900) --> See nearby quakes!
581 km (361 mi) SSE of Manila (pop: 1,600,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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
6.419 kmNegros, 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

More info
Recorded aftershocks, latest first (57 quakes):
  • 30 Jul 2011 21:59 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    14 km (8 mi) distance
    | USGS | Details
  • 30 Jul 2011 00:02 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    57 km (35 mi) distance
    | USGS | Details
  • 29 Jul 2011 20:34 UTC
    | M 4.6 |
    28.4 km (17.6 mi) depth
    |
    16 km (10 mi) distance
    | USGS | Details
  • 29 Jul 2011 20:10 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details
  • 18 Jul 2011 15:25 UTC
    | M 4.6 |
    10 km (6.2 mi) depth
    |
    11 km (7 mi) distance
    | USGS | Details
  • 18 Jul 2011 00:42 UTC
    | M 4.9 |
    10 km (6.2 mi) depth
    |
    18 km (11 mi) distance
    | USGS | Details
  • 17 Jul 2011 10:23 UTC
    | M 4.2 |
    10 km (6.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 16 Jul 2011 06:44 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    17 km (10 mi) distance
    | USGS | Details
  • 15 Jul 2011 19:20 UTC
    | M 4.3 |
    10 km (6.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • 14 Jul 2011 19:05 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 14 Jul 2011 18:49 UTC
    | M 5.0 |
    10 km (6.2 mi) depth
    |
    25 km (15 mi) distance
    | USGS | Details
  • 13 Jul 2011 23:19 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    27 km (17 mi) distance
    | USGS | Details
  • 13 Jul 2011 16:22 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    14 km (9 mi) distance
    | USGS | Details
  • 13 Jul 2011 14:33 UTC
    | M 4.5 |
    10 km (6.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 13 Jul 2011 02:30 UTC
    | M 4.4 |
    10 km (6.2 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 12 Jul 2011 18:08 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    24 km (15 mi) distance
    | USGS | Details
  • Show all

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