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Strong mag. 5.2 earthquake - 92 km east of Comitan, Chiapas, Mexico, on Friday, September 17, 2004 at 23:43 GMT

Strong magnitude 5.2 earthquake at 10 km depth

Earthquake details

Date & time	Sep 17, 2004 23:43:21 UTC
Local time at epicenter
Status	Confirmed
Magnitude	5.2
Depth	10.0 km
Epicenter latitude / longitude	16.502°N / 91.318°W (Amador Hernández, Chiapas, Mexico)
Antipode	16.502°S / 88.682°E
Shaking intensity	Moderate shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Mispia (130 km / 81 mi)
Nearby towns and cities	11 km (7 mi) NNE of San Quintin (pop: 1,730) \| Show on map \| Quakes nearby 36 km (22 mi) S of Nueva Palestina (Velasco Suárez) (pop: 10,600) \| Show on map \| Quakes nearby 58 km (36 mi) SW of Frontera Corozal (pop: 5,180) \| Show on map \| Quakes nearby 71 km (44 mi) W of Benemérito de las Américas (pop: 7,260) \| Show on map \| Quakes nearby 74 km (46 mi) ENE of Las Margaritas (pop: 20,800) \| Show on map \| Quakes nearby 92 km (57 mi) ENE of Comitan (pop: 97,500) \| Show on map \| Quakes nearby 94 km (58 mi) ESE of Ocosingo (pop: 41,900) \| Show on map \| Quakes nearby 143 km (89 mi) E of San Cristobal (pop: 158,000) \| Show on map \| Quakes nearby 193 km (120 mi) E of Tuxtla Gutiérrez (pop: 537,100) \| Show on map \| Quakes nearby 888 km (552 mi) ESE of Mexico (Ciudad de México) (pop: 12,294,200) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	4 x 10¹² joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) \| about seismic energy

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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.	Depth	Location	Source
5.2	10 km	Chiapas, Mexico	USGS

Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

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Seismograms

Seismic station: Tegucigalpa, Honduras (TGUH/CU network) | Distance from quake: 512 km / 318 mi | Show on map | Station Info

Seismic station Tegucigalpa, Honduras: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.02-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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.

Aftershocks

[More info]

Recorded aftershocks, latest first (2 quakes)

Date and time	Mag Depth	Location	Details
Nov 8, 2004 17:48 18 years ago	4.2 16 km	89 km E of Comitan, Chiapas, Mexico	More
Nov 8, 2004 06:05 18 years ago	4.2 10 km	65 km E of Las Margaritas, Chiapas, Mexico	More

Earlier earthquakes in the same area

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