20 JUL 2007 (201)
ot = 09:48:30.53 +/- 1.30 GUAM REGION
lat = 13.891 +/- 22.3
lon = 144.432 +/- 22.1 MAGNITUDE 4.6 (GS)
dep = 20.0 (assigned)
60 km (35 miles) NW of HAGATNA, Guam (pop 40,000)
90 km (55 miles) WSW of Rota, Northern Mariana Islands (pop 3,000)
200 km (125 miles) SW of SAIPAN, Northern Mariana Islands
305 km (190 miles) SSW of Anatahan, Northern Mariana Islands
Felt on Guam.
nph = 24 of 27 se = 1.07 FE=216 C
error ellipse = (224.6, 0.0, 39.4;134.6, 0.0, 12.3; 0.0, 0.0, 0.0)
mb = 4.6 ( 20) ML = 4.7 ( 1) mblg = 5.4 ( 1) md = 4.6 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
GUMO ePn 09:48:40.08 -0.9 0.5 125 d:4.5+2 4.6 L:1.0+2 .65 4.7 GUMO
eSg 09:48:46.39 S res = -1.7X g:6.2+1 .75 5.4
MAJO eP 09:53:35.53 -1.1 23.2 347 b:1.3+1 .78 4.5 MAJO
KURK eP 09:59:04.49 1.4 64.1 320 b:6.9+0 1.0 4.7 KURK
e 09:59:17.17 5.1X
SEW eP 09:59:14.29 -2.4 66.2 30 SEW
BRVK qP 09:59:35.85 -1.8 69.5 322 b:4.7+0 .86 4.6 BRVK
EGAK eP 09:59:46.28 0.3 70.9 26 b:2.4+0 .47 4.6 EGAK
PNL qP 09:59:47.31 -0.2 71.1 31 b:2.2+1 1.1 5.2 PNL
INK eP 10:00:06.07 0.2 74.3 22 INK
WRAK eP 10:00:10.50 0.1 75.0 35 b:4.9+0 .75 4.6 WRAK
GNW eP 10:00:48.52 0.8 81.7 43 b:5.5+0 .88 4.6 GNW
HUMO eP 10:00:53.43 0.8 82.6 48 b:2.7+0 .60 4.5 HUMO
MOD eP 10:01:03.96 0.4 84.7 48 b:2.0+0 .65 4.5 MOD
NEW eP 10:01:06.36 0.2 85.3 42 b:8.5+0 .91 5.0 NEW
WALA eP 10:01:16.21 1.0 87.1 40 b:5.2+0 .95 4.7 WALA
HLID eP 10:01:22.48 0.7 88.4 46 b:5.6+0 1.0 4.8 HLID
ELK eP 10:01:23.73 0.6 88.7 48 b:7.0+0 .69 5.1 ELK
e 10:01:34.80 2.6X
TPNV eP 10:01:25.14 0.4 89.0 52 b:2.9+0 .85 4.6 TPNV
MCMT eP 10:01:25.23 0.2 89.1 44 MCMT
DUG eP 10:01:31.68 -0.4 90.6 48 b:3.0+0 .90 4.6 DUG
IMW eP 10:01:32.69 0.1 90.7 44 b:1.7+0 .60 4.5 IMW
MOOW eP 10:01:33.76 0.4 90.9 44 b:4.3+0 1.3 4.6 MOOW
RLMT eP 10:01:36.64 1.3 91.4 43 b:2.1+0 .73 4.6 RLMT
LAO eP 10:01:39.50 -2.3 92.8 41 b:1.2+1 .83 5.4 LAO
SRU eP 10:01:41.99 0.4 92.7 49 b:1.8+0 .60 4.7 SRU
Generated 2007 JUL 24 at 19:34 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver