Magnitude 5.5 Earthquake OFF THE COAST OF WASHINGTON USA 2012 August 19

2012 August 19 08:07:36 UTC: OFF THE COAST OF WASHINGTON USA EARTHQUAKE

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Magnitude: 5.5

Date-Time: Sunday, August 19, 2012 at 08:07:36 UTC

Saturday, August 18, 2012 at 11:07:36 PM at epicenter

Earthquake data:

Location : 47.775°N, 128.589°W

Depth : 10.7 km (6.6 miles)

Region : OFF THE COAST OF WASHINGTON

Distances:

a)253 km (157 miles) SW of Tofino, Canada

b)326 km (202 miles) WSW of Port Alberni, Canada

c)341 km (211 miles) SW of Courtenay, Canada

d)352 km (218 miles) SW of Campbell River, Canada

Location Uncertainty:horizontal +/- 11.7 km (7.3 miles); depth +/- 4 km (2.5 miles)

Parameters: NST=581, Nph=586, Dmin=163.6 km, Rmss=0.63 sec, Gp=140°, M-type=teleseismic moment magnitude (Mw), Version=9