821 
SEGM60 PGUM 272151
EQRGUM
GUZ001-002-003-004-272150-

EARTHQUAKE REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE TIYAN GUAM
750 AM CHST MON JAN 28 2012

AN EARTHQUAKE WAS FELT AT WFO GUAM AT 745 AM CHST...2145 UTC...THIS 
MORNING. NO DAMAGE IS EVIDENT. ONE BRIEF JOLT OF SHAKING WAS FELT BY 
ALL MEMBERS ON SHIFT FOLLOWED BY SEVERAL SECONDS OF MINOR SHAKING. 
MOTION OF COMPUTER MONITORS WAS ALSO OBSERVED. THE QUAKE WAS JUDGED 
TO BE A IV ON THE MERCALLI SCALE.

INFORMATION RELEASED IN THIS STATEMENT IS PRELIMINARY. OFFICIAL 
INFORMATION...INCLUDING EARTHQUAKE LOCATION AND RICHTER SCALE 
MAGNITUDE...MAY BE PROVIDED BY THE PACIFIC TSUNAMI WARNING CENTER OR 
THE UNITED STATES GEOLOGICAL SURVEY AS IT BECOMES AVAILABLE.

$$

WILLIAMS