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The 1999 Tehuacán earthquake, or the 1999 Central Mexico earthquake, occurred on June 15 at 15:42 local time (20:42 UTC) near Tehuacán, Puebla, Mexico, close to the state of Oaxaca. The earthquake measured 7.0 on the moment magnitude scale.
   | |
| UTC time | 1999-06-15 20:42:05 |
|---|---|
| ISC event | 1653844 |
| USGS-ANSS | ComCat |
| Local date | 15 June 1999 |
| Local time | 15:42 |
| Magnitude | Mw 7.0 |
| Depth | 70 km |
| Epicenter | 18.386°N 97.436°W |
| Max. intensity | MMI VIII (Severe) |
| Landslides | Yes[1] |
| Casualties | 14 dead, 200 injured[1] |
Fourteen people were reported dead, and about 200 injured, many historic buildings and monuments were damaged. 5,306 houses were destroyed, 15,688 partially damaged, and 9,682 slightly damaged.[2] Many houses collapsed in the state of Puebla, including parts of the Puebla City Hall.[1][3] The state of Puebla was declared a disaster area.[4]
The Cocos plate is subducting beneath the North American plate in the Middle America Trench. This was an intraslab earthquake,[5] and the epicenter had some distance from the Middle American Trench. This was the tenth earthquake since 1864 with magnitude larger than 6.5 and similar location of epicenter.[6]
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