Strong and shallow M6.6 earthquake hits Biobio, Chile
A strong and shallow earthquake registered by the CSN Chile as M6.6 hit the Biobio Region of Chile at 13:14 UTC on September 21, 2021, at a depth of 10 km (6.2 miles). The USGS is reporting M6.4 at a depth of 17.4 km (10.8 miles), EMSC M6.4 at a depth of 2 km (1.2…