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Moderate mag. 4.0 earthquake - 4.8 km west of Ciudad Sahagun, Tepeapulco, Hidalgo, Mexico, on Sunday, August 7, 2005 at 03:25 GMT

Moderate magnitude 4.0 earthquake at 5 km depth

Earthquake details

Date & time	Aug 7, 2005 03:25:10 UTC
Local time at epicenter
Status	Confirmed
Magnitude	4
Depth	5.0 km
Epicenter latitude / longitude	19.788°N / 98.619°W (Tlanalapa, Mexico, Mexico)
Antipode	19.788°S / 81.381°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Apan-Tezontepec (13 km / 8 mi)
Nearby towns and cities	4 km (2 mi) SSW of Tlanalapa (pop: 7,520) \| Show on map \| Quakes nearby 5 km (3 mi) WNW of Ciudad Sahagun (pop: 28,600) \| Show on map \| Quakes nearby 7 km (4 mi) W of Tepeapulco (pop: 15,200) \| Show on map \| Quakes nearby 28 km (17 mi) ENE of Teotihuacan de Arista (México) (pop: 23,300) \| Show on map \| Quakes nearby 38 km (24 mi) ENE of Tepexpan (México) (pop: 102,700) \| Show on map \| Quakes nearby 41 km (26 mi) NE of Texcoco (México) (pop: 105,200) \| Show on map \| Quakes nearby 43 km (27 mi) ENE of Ojo de Agua (México) (pop: 242,300) \| Show on map \| Quakes nearby 67 km (41 mi) NE of Mexico (Ciudad de México) (pop: 12,294,200) \| Show on map \| Quakes nearby 67 km (42 mi) NE of Iztapalapa (Ciudad de México) (pop: 1,815,800) \| Show on map \| Quakes nearby 122 km (76 mi) ENE of Toluca de Lerdo (México) (pop: 489,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	6.3 x 10¹⁰ joules (17.5 megawatt hours, equivalent to 15.1 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
4.0	5 km	Hidalgo, Mexico	USGS

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

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Seismograms

Seismic station: Tepich, Yucatan, Mexico (TEIG/IU network) | Distance from quake: 1082 km / 672 mi | Show on map | Station Info

Seismic station Tepich, Yucatan, Mexico: 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. 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.

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