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M7.4 earthquake on Monday, 27 August 2012 at 04:37 (119km SSW of Chirilagua, El Salvador)

Major mag. 7.3 earthquake - 111km S of Puerto El Triunfo, El Salvador on Monday, 27 August 2012

Major mag. 7.3 earthquake  - 111km S of Puerto El Triunfo, El Salvador on Monday, 27 August 2012
Date & time: Monday, 27 August 2012 04:37 UTC
Local time at epicenter: Sun, 26 Aug 2012 22:37
Magnitude: 7.3
Depth: 20.3 km
Epicenter latitude / longitude: 12.2777°N / 88.528°W (El Salvador)
Nearest volcano: Usulután (127 km / 79 mi)
Nearby towns and cities:
112 km (70 mi) S of Puerto El Triunfo (pop: 19,100)
113 km (70 mi) SW of Jucuarán (pop: 1,600)
113 km (70 mi) SW of Chirilagua (pop: 6,400)
139 km (86 mi) SW of San Miguel (pop: 161,900)
173 km (107 mi) SE of San Salvador (pop: 526,000)
173 km (107 mi) SE of Soyapango (pop: 329,700)
Primary data source: USGS
Estimated released energy: 5.6 x 1015 joules (1562 gigawatt hours, equivalent to 1.3 x 106 tons of TNT or 84 atomic bombs!) [learn more]
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!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake 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.
TimeMag. / DepthLocationSource
Sun, 26 Aug 2012 22:37 (27 Aug 04:37:20 UTC)M 7.3 / 20.3 km111km S of Puerto El Triunfo, El SalvadorUSGS
Mon, 27 Aug 04:37 UTCM 7.3 / 15 kmOff Coast of Central AmericaGFZ
Mon, 27 Aug 04:37 UTCM 7.4 / 25 kmOFFSHORE EL SALVADOREMSC
Mon, 27 Aug 04:37 UTCM 7.3 / 20 kmOffshore El SalvadorGeoAu
22:37:22 (27 Aug 04:37:22 UTC)M 6.8 / 15.6 km NicaraguaINETER
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.
shake map
(shakemap: 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!

Aftershocks of the 7.3 quake: 111km S of Puerto El Triunfo, El Salvador, 27 Aug 2012 04:37

More info
Recorded aftershocks, latest first (931 quakes):
  • 23 Aug 2014 12:57 UTC
    | M 3.3 |
    12.4 km (7.7 mi) depth
    |
    137 km (85 mi) distance
    | INETER | Details
  • 23 Aug 2014 06:45 UTC
    | M 3.6 |
    7.9 km (4.9 mi) depth
    |
    47 km (29 mi) distance
    | INETER | Details
  • 23 Aug 2014 04:04 UTC
    | M 3.7 |
    15 km (9.3 mi) depth
    |
    140 km (87 mi) distance
    | INETER | Details
  • 22 Aug 2014 04:26 UTC
    | M 3.4 |
    78.2 km (48.6 mi) depth
    |
    104 km (65 mi) distance
    | INETER | Details
  • 22 Aug 2014 02:07 UTC
    | M 4.7 |
    76 km (47.2 mi) depth
    |
    77 km (48 mi) distance
    | GFZ | Details
  • 19 Aug 2014 19:33 UTC
    | M 4.0 |
    43.2 km (26.8 mi) depth
    |
    123 km (77 mi) distance
    | INETER | Details
  • 18 Aug 2014 19:30 UTC
    | M 3.6 |
    30.1 km (18.7 mi) depth
    |
    189 km (118 mi) distance
    | INETER | Details
  • 18 Aug 2014 12:37 UTC
    | M 3.6 |
    15 km (9.3 mi) depth
    |
    87 km (54 mi) distance
    | INETER | Details
  • 15 Aug 2014 05:38 UTC
    | M 3.5 |
    15 km (9.3 mi) depth
    |
    83 km (52 mi) distance
    | INETER | Details
  • 14 Aug 2014 15:06 UTC
    | M 3.8 |
    18.1 km (11.2 mi) depth
    |
    103 km (64 mi) distance
    | INETER | Details
  • 12 Aug 2014 01:43 UTC
    | M 4.5 |
    30 km (18.6 mi) depth
    |
    93 km (58 mi) distance
    | INETER | Details
  • 07 Aug 2014 01:14 UTC
    | M 3.7 |
    27.8 km (17.3 mi) depth
    |
    146 km (90 mi) distance
    | INETER | Details
  • 04 Aug 2014 20:00 UTC
    | M 4.4 |
    113 km (70.2 mi) depth
    |
    181 km (113 mi) distance
    | GFZ | Details
  • 03 Aug 2014 00:23 UTC
    | M 4.5 |
    185.4 km (115.2 mi) depth
    |
    170 km (106 mi) distance
    | USGS | Details
  • 01 Aug 2014 16:01 UTC
    | M 3.5 |
    40.9 km (25.4 mi) depth
    |
    178 km (111 mi) distance
    | INETER | Details
  • 31 Jul 2014 16:05 UTC
    | M 3.9 |
    25.2 km (15.7 mi) depth
    |
    77 km (48 mi) distance
    | INETER | Details
  • Show all

Earlier earthquakes in the same area

Major mag. 7.3 earthquake - 111km S of Puerto El Triunfo, El Salvador on Monday, 27 August 2012

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