Major magnitude 8.8 earthquake - South Pacific Ocean, 55 km north of Tomé, Provincia de Concepcion, Region del Biobio, Chile, on Saturday, February 27, 2010 at 06:34 (GMT)

Major magnitude 8.8 earthquake - South Pacific Ocean, 55 km north of Tomé, Provincia de Concepcion, Region del Biobio, Chile, on Saturday, February 27, 2010 at 06:34 (GMT)

Major magnitude 8.8 earthquake at 23 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Feb 27, 2010 06:34:11 UTC
Magnitude: 8.8
Depth: 22.9 km
Epicenter latitude / longitude: 36.122°S / 72.898°W (South Pacific Ocean, Chile)
Antipode: 36.122°N / 107.102°E
Nearest volcano: Nevado de Longavi (156 km / 97 mi)
Nearby towns and cities:
55 km (34 mi) WSW of Cauquenes (pop: 31,400) --> See nearby quakes!
55 km (34 mi) N of Tomé (pop: 46,700) --> See nearby quakes!
69 km (43 mi) N of Penco (pop: 46,100) --> See nearby quakes!
70 km (43 mi) NNE of Talcahuano (pop: 253,000) --> See nearby quakes!
80 km (49 mi) N of Concepcion (pop: 215,400) --> See nearby quakes!
89 km (55 mi) NW of Chillan (pop: 150,400) --> See nearby quakes!
90 km (56 mi) N of Chiguayante (pop: 82,500) --> See nearby quakes!
98 km (61 mi) SSW of Constitucion (pop: 37,900) --> See nearby quakes!
351 km (218 mi) SW of Puente Alto (pop: 510,400) --> See nearby quakes!
361 km (224 mi) SW of Santiago (pop: 4,837,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1018 joules (2.8 x 105 gigawatt hours, equivalent to 2.4 x 108 tons of TNT or 14937.9 atomic bombs!) More info
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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
8.823 kmoffshore Bio-Bio, ChileUSGS
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!
Volcanoes & Earthquakes - new app for Android

Aftershocks

More info

Recorded aftershocks, latest first (5187 quakes)

  • 01 Mar 2013 05:27 UTC
    | M 3.4 |
    42 km (26.1 mi) depth
    |
    103 km (64 mi) distance
    | EMSC | Details
  • 01 Mar 2013 05:17 UTC
    | M 3.0 |
    210 km (130.5 mi) depth
    |
    1449 km (900 mi) distance
    | INPRES | Details
  • 28 Feb 2013 23:27 UTC
    | M 4.0 |
    74 km (46 mi) depth
    |
    792 km (492 mi) distance
    | EMSC | Details
  • 28 Feb 2013 23:22 UTC
    | M 3.8 |
    234 km (145.4 mi) depth
    |
    1464 km (910 mi) distance
    | EMSC | Details
  • 28 Feb 2013 22:42 UTC
    | M 3.2 |
    236 km (146.6 mi) depth
    |
    1457 km (905 mi) distance
    | EMSC | Details
  • 28 Feb 2013 16:39 UTC
    | M 3.1 |
    106 km (65.9 mi) depth
    |
    690 km (429 mi) distance
    | INPRES | Details
  • 28 Feb 2013 15:51 UTC
    | M 3.0 |
    96 km (59.7 mi) depth
    |
    529 km (328 mi) distance
    | INPRES | Details
  • 28 Feb 2013 15:24 UTC
    | M 3.2 |
    105 km (65.2 mi) depth
    |
    623 km (387 mi) distance
    | INPRES | Details
  • 28 Feb 2013 10:16 UTC
    | M 4.2 |
    90 km (55.9 mi) depth
    |
    425 km (264 mi) distance
    | EMSC | Details
  • 27 Feb 2013 22:29 UTC
    | M 3.1 |
    104 km (64.6 mi) depth
    |
    659 km (409 mi) distance
    | INPRES | Details
  • 27 Feb 2013 21:06 UTC
    | M 3.0 |
    35 km (21.7 mi) depth
    |
    524 km (325 mi) distance
    | INPRES | Details
  • 27 Feb 2013 15:42 UTC
    | M 3.2 |
    33 km (20.5 mi) depth
    |
    414 km (257 mi) distance
    | EMSC | Details
  • 27 Feb 2013 14:17 UTC
    | M 3.7 |
    145 km (90.1 mi) depth
    |
    977 km (607 mi) distance
    | EMSC | Details
  • 27 Feb 2013 13:26 UTC
    | M 3.7 |
    246 km (152.9 mi) depth
    |
    1506 km (936 mi) distance
    | EMSC | Details
  • 27 Feb 2013 08:12 UTC
    | M 3.2 |
    13 km (8.1 mi) depth
    |
    616 km (383 mi) distance
    | INPRES | Details
  • 27 Feb 2013 08:05 UTC
    | M 3.8 |
    109 km (67.7 mi) depth
    |
    406 km (252 mi) distance
    | EMSC | Details
  • Show all