Very strong mag. 6.6 earthquake - Jorge Basadre, 73 km west of Tacna, Peru, on Thursday, August 13, 1987 at 15:23 (GMT)
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Very strong magnitude 6.6 earthquake at 37 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 36.5 km
Epicenter latitude / longitude: 17.897°S / 70.931°W↗ (Jorge Basadre, Tacna, Peru)
Antipode: 17.897°N / 109.069°E↗
Nearest volcano: Yucamane (111 km / 69 mi)
Nearby towns and cities:
32 km (20 mi) WNW of El Huayco (pop: 30) --> See nearby quakes!
53 km (33 mi) SE of Ilo (Moquegua) (pop: 53,500) --> See nearby quakes!
69 km (43 mi) SW of Ilabaya (Jorge Basadre) (pop: 9,490) --> See nearby quakes!
73 km (45 mi) W of Tacna (pop: 280,100) --> See nearby quakes!
76 km (47 mi) S of San Antonio (Moquegua) (pop: 15,600) --> See nearby quakes!
81 km (50 mi) SW of Totoral (pop: 1,980) --> See nearby quakes!
92 km (57 mi) S of Torata (Mariscal Nieto, Moquegua) (pop: 7,050) --> See nearby quakes!
93 km (58 mi) NW of Arica (Arica y Parinacota, Chile) (pop: 186,000) --> See nearby quakes!
96 km (60 mi) SW of Quilahuani (pop: 3,180) --> See nearby quakes!
923 km (574 mi) SE of Lima (pop: 7,737,000) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 5 x 1014 joules (139 gigawatt hours, equivalent to 1.2 x 105 tons of TNT or 7.5 atomic bombs!) 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.
|6.6||37 km||southern Peru||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.