Moderate mag. 5.8 earthquake - 87 km west of Juliaca, Provincia de San Roman, Puno, Peru, on Sunday, May 31, 2020 at 5:09 am (GMT +0)

Date & time: May 31, 2020 05:09:35 UTC
Local time at epicenter: Sunday, May 31, 2020 at 5:09 am (GMT +0)
Magnitude: 5.8
Depth: 210.0 km
Epicenter latitude / longitude: 15.4084°S / 70.9434°W (Lampa, Puno, Peru)
Antipode: 15.408°N / 109.057°E
Nearest volcano: Ubinas (105 km / 65 mi)
Nearby towns and cities:
8 km (5 mi) NW of Japusura (pop: 32) --> See nearby quakes!
29 km (18 mi) NNE of Huarichancara (Arequipa) (pop: 4,450) --> See nearby quakes!
47 km (29 mi) N of Huancane Hacienda (Lampa) (pop: 7,830) --> See nearby quakes!
69 km (43 mi) SSW of Ayaviri (Melgar) (pop: 19,300) --> See nearby quakes!
85 km (53 mi) SE of Espinar (Cusco) (pop: 23,900) --> See nearby quakes!
87 km (54 mi) W of Juliaca (pop: 245,700) --> See nearby quakes!
110 km (68 mi) WNW of Puno (pop: 116,600) --> See nearby quakes!
127 km (79 mi) NNE of Arequipa (pop: 841,100) --> See nearby quakes!
756 km (470 mi) ESE of Lima (Lima Province) (pop: 7,737,000) --> See nearby quakes!
Primary data source: IGP
Estimated released energy: 3.2 x 10¹³ joules (8.78 gigawatt hours, equivalent to 7558 tons of TNT or 0.5 atomic bombs!) | about seismic energy

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Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 63 km² (=24 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 14 km (9 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the map below to verify).

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