Hypocentral Location:

Event ID	71741671
Origin Time	2012/02/25 05:17:15
Latitude	40.2795
Longitude	-124.3138
Depth (TT)	19.4 km
Depth (MT; not authoritative)	30 km

Magnitudes:

Md	3.7 (not authoritative)
Ml	3.6 (not authoritative)
Mw	4.28 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	3.303	10.574	53.319
N	-0.121	78.936	250.630
P	-3.181	3.218	143.920

Source Composition:

Type	Percent
DC	93
CLVD	7
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	3.24e+22 Dyne-cm
Mxx	-9.331e+21 Dyne-cm
Mxy	3.037e+22 Dyne-cm
Mxz	5.076e+21 Dyne-cm
Myy	9.489e+21 Dyne-cm
Myz	3.944e+21 Dyne-cm
Mzz	-1.582e+20 Dyne-cm
Variance Reduction	85%
Version number	2
Solution time	2012/02/25 06:15:54 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	98	170	85
NP2	189	5	80

Waveform data (solid line) and synthetic data (dashed line) from the moment tensor inversion: