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== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Hawaiian Volcano Observatory

Version #1: This report supersedes any earlier reports of this event.
This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 9:39:29 PM (HST) on Thursday, July 19, 2012 .
The magnitude 2.5 event occurred 17 km (11 miles) N of Pahala.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 2.5 - duration magnitude (Md)
Time Thursday, July 19, 2012 at 9:39:29 PM (HST)
Friday, July 20, 2012 at 7:39:29 (UTC)
Distance from Pahala - 17 km (11 miles) N (2 degrees)
Mauna Loa Summit - 19 km (12 miles) SE (133 degrees)
Kilauea Summit - 22 km (13 miles) WSW (254 degrees)
Hilo - 57 km (36 miles) SW (225 degrees)
Coordinates 19 deg. 21.7 min. N (19.362N), 155 deg. 28.4 min. W (155.473W)
Depth 4.1 km (2.5 miles)
Quality Good
Location Quality Parameters Nst= 22, Nph= 22, Dmin=2 km, Rmss=0.16 sec, Erho=0.4 km, Erzz=0.8 km, Gp=43.2 degrees
Event ID# hv60371976
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