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© USGS
A 6.0 magnitude quake has struck the Bio-Bio region of Chile, exactly one year after a fatal 8.8 magnitude quake devastated the region, according to the U.S. Geological Survey (USGS).

The quake hit 23 miles south of Concepcion and 291 miles south south-west of Santiago at a depth of 10.4 miles. It struck at around 10.30 p.m. local time. There have been no reports of damage or injuries yet.

Earlier in the day, the anniversary of the 2010 earthquake was commemorated, led by President Sebastian Piñera. Across the nation, candles were lit and prayers raised in memory of the dead, according to BBC News. One minute's silence was observed at the precise moment the earthquake had struck.

The February 2010 earthquake was accompanied by a tsunami, killing more than 500 people, and leaving hundreds of thousands more homeless.

Data from USGS:

Date-Time:
Monday, February 28, 2011 at 01:29:25 UTC

Sunday, February 27, 2011 at 10:29:25 PM at epicenter

Time of Earthquake in other Time Zones

Location:
37.268°S, 73.296°W

Depth:
20 km (12.4 miles)

Region:
BIO-BIO, CHILE

Distances:
37 km (23 miles) S of Concepcion, Bio-Bio, Chile

69 km (43 miles) NE of Lebu, Bio-Bio, Chile

76 km (47 miles) WNW of Los Angeles, Bio-Bio, Chile

469 km (291 miles) SSW of SANTIAGO, Region Metropolitana, Chile

Location Uncertainty:
horizontal +/- 22.9 km (14.2 miles); depth +/- 1.2 km (0.7 miles)

Parameters:
NST=220, Nph=221, Dmin=455.3 km, Rmss=0.72 sec, Gp=101°, M-type=teleseismic moment magnitude (Mw), Version=C

Source:
USGS NEIC (WDCS-D)

Event ID:
usb0001lmt