Moderate mag. 4.8 earthquake - North Pacific Ocean, 34 km southeast of Salina Cruz, Oaxaca, Mexico, on Saturday, October 20, 1979 at 16:02 (GMT)
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Moderate magnitude 4.8 earthquake at 43 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 43.0 km
Epicenter latitude / longitude: 16.048°N / 94.901°W↗ (North Pacific Ocean, Mexico)
Antipode: 16.048°S / 85.099°E↗
Nearest volcano: El Chichón (230 km / 143 mi)
Nearby towns and cities:
20 km (12 mi) SSE of Mariano Oviedo Juarez (pop: 97) --> See nearby quakes!
34 km (21 mi) ESE of Salina Cruz (pop: 76,600) --> See nearby quakes!
45 km (28 mi) SSE of Juchitan de Zaragoza (pop: 74,800) --> See nearby quakes!
47 km (29 mi) SW of Las Amilpas (pop: 8,800) --> See nearby quakes!
47 km (29 mi) SE of San Blas Atempa (pop: 12,000) --> See nearby quakes!
48 km (30 mi) SE of Santo Domingo Tehuantepec (Tehuantepec) (pop: 42,100) --> See nearby quakes!
48 km (30 mi) S of Union Hidalgo (Unión Hidalgo) (pop: 13,700) --> See nearby quakes!
61 km (38 mi) SSE of Ixtepec (pop: 25,400) --> See nearby quakes!
94 km (58 mi) S of Matias Romero Avendaño (Matías Romero Avendaño) (pop: 18,900) --> See nearby quakes!
585 km (363 mi) SE of Mexico City (pop: 12,294,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1 x 1012 joules (278 megawatt hours, equivalent to 239 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.
|4.8||43 km||offshore Oaxaca, Mexico||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.