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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 6:17:54 AM (HST) on Saturday, July 28, 2012 .
The magnitude 2.1 event occurred 9 km (5 miles) SSW of Mauna Loa Summit.
The hypocentral depth is 0 km (0.0 miles).


Magnitude 2.1 - duration magnitude (Md)
Time Saturday, July 28, 2012 at 6:17:54 AM (HST)
Saturday, July 28, 2012 at 16:17:54 (UTC)
Distance from Mauna Loa Summit - 9 km (5 miles) SSW (202 degrees)
Ho`okena - 28 km (17 miles) E (84 degrees)
Pahala - 28 km (17 miles) NW (323 degrees)
Kailua - 46 km (28 miles) SE (125 degrees)
Coordinates 19 deg. 24.4 min. N (19.407N), 155 deg. 38.3 min. W (155.639W)
Depth 0 km (0.0 miles)
Quality Fair
Location Quality Parameters Nst= 9, Nph= 9, Dmin=6 km, Rmss=0.38 sec, Erho=1.3 km, Erzz=4.7 km, Gp=104.4 degrees
Event ID# hv60374571
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