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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 4:35:54 PM (HST) on Thursday, June 28, 2012 .
The magnitude 1.7 event occurred 13 km (8 miles) ESE of Mauna Loa Summit.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Thursday, June 28, 2012 at 4:35:54 PM (HST)
Friday, June 29, 2012 at 2:35:54 (UTC)
Distance from Mauna Loa Summit - 13 km (8 miles) ESE (103 degrees)
Kilauea Summit - 23 km (14 miles) W (280 degrees)
Volcano - 26 km (16 miles) W (275 degrees)
Hilo - 52 km (32 miles) SW (234 degrees)
Coordinates 19 deg. 27.1 min. N (19.452N), 155 deg. 29.3 min. W (155.489W)
Depth 6.7 km (4.2 miles)
Quality Good
Location Quality Parameters Nst= 29, Nph= 29, Dmin=9 km, Rmss=0.12 sec, Erho=0.3 km, Erzz=1.5 km, Gp=61.2 degrees
Event ID# hv60365196
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