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

Version #0: 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 3:16:15 PM (HST) on Sunday, October 25, 2009 .
The magnitude 1.7 event occurred 16 km (10 miles) E of Mauna Loa Summit.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.7 - duration magnitude (Md)
Time Sunday, October 25, 2009 at 3:16:15 PM (HST)
Monday, October 26, 2009 at 1:16:15 (UTC)
Distance from Mauna Loa Summit - 16 km (10 miles) E (93 degrees)
Kilauea Summit - 20 km (12 miles) WNW (288 degrees)
Volcano - 23 km (14 miles) W (281 degrees)
Hilo - 48 km (30 miles) SW (233 degrees)
Coordinates 19 deg. 28.3 min. N (19.472N), 155 deg. 27.3 min. W (155.455W)
Depth 2.1 km (1.3 miles)
Quality Good
Location Quality Parameters Nst=022, Nph=022, Dmin=6 km, Rmss=0.15 sec, Erho=0.4 km, Erzz=1.3 km, Gp=72 degrees
Event ID# hv00035697
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