M6.3 earthquake hits Chile at intermediate depth, very strong shaking in Arica

– January 21, 2018

A strong earthquake registered by the CSN Chile as M6.3 hit northern Chile at 01:06 UTC on January 21, 2018 (22:06 local time, January 20). The agency is reporting a depth of 105.3 km (65.4 miles). USGS is reporting M6.3 at a depth of 110.8 km (68.8 miles); EMSC M6.4 at 110 km. The quake was preceded by M3.0 at 22:45 UTC, January 20.

According to the USGS, the epicenter was located 76.6 km (47.6 miles) S of Putre (population 0), 85.2 km (52.9 miles) ESE of Arica (population 185 999), Chile and 117.8 km (73.2 miles) SE of Tacna (population 280 098), Peru.

There are 230 000 people living within 100 km (62 miles) and less than 1 000 within 10 km (6.2 miles).

According to the USGS, some 128 000 people are estimated to have felt moderate shaking.

However, CSN Chile reports very strong shaking in Arica and in the village of Codpa. Strong shaking was reported in Cuya, Pocon Chile and Putre.