Moderate mag. 4.9 earthquake - Santa Maria Tonameca, 41 km west of Crucecita, Mexico, on Saturday, December 2, 1978 at 05:36 (GMT)
Quake Data | Interactive map | User Reports | Earlier quakes here | Quakes in Mexico | Oaxaca | Mexico D.F.
Moderate magnitude 4.9 earthquake at 33 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 33.0 km
Epicenter latitude / longitude: 15.754°N / 96.516°W↗ (Santa Maria Tonameca, Oaxaca, Mexico)
Antipode: 15.754°S / 83.484°E↗
Nearby towns and cities:
1 km (1 mi) E of Cuarto (pop: 200) --> See nearby quakes!
5 km (3 mi) W of San Pedro Pochutla (pop: 13,700) --> See nearby quakes!
12 km (8 mi) SE of Piedras Negras (pop: 1,140) --> See nearby quakes!
19 km (12 mi) S of Candelaria Loxicha (pop: 2,070) --> See nearby quakes!
23 km (14 mi) WSW of Santa Maria (pop: 7,410) --> See nearby quakes!
41 km (25 mi) W of Crucecita (pop: 15,100) --> See nearby quakes!
61 km (38 mi) ESE of Puerto Escondido (pop: 25,900) --> See nearby quakes!
65 km (40 mi) S of Miahuatlan de Porfirio Diaz (Miahuatlán de Porfirio Díaz) (pop: 23,900) --> See nearby quakes!
148 km (92 mi) S of Oaxaca (pop: 255,000) --> See nearby quakes!
494 km (307 mi) SE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) More info
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.
|4.9||33 km||Oaxaca, Mexico||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.