Sunday March 29 2015, 23:48:33 UTC (15:48:33 PST). Tsunami warning is in effect.
Swarm of quakes ranging from magnitude 3.7 to 4.0
(SOURCE) Northern Chile has been struck by a 6.4 magnitude earthquake.
Information according to the USGS website: Time 2015-03-23 04:51:37 UTC (8:51:37 pm PST),
Location 18.384°S 69.146°W, Depth 120.9 km.
As of this time there are no reports of damage or tsunami warnings.