Hypocentral Location:

Event ID	71381091
Origin Time	2010/04/12 15:10:05
Latitude	40.3137
Longitude	-124.5318
Depth (TT)	20.5 km
Depth (MT; not authoritative)	27 km fixed

Magnitudes:

Md	3.49 (not authoritative)
Ml	3.28 (not authoritative)
Mw	3.91 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	9.033	24.438	49.950
N	0.032	65.461	235.479
P	-9.066	2.088	140.899

Source Composition:

Type	Percent
DC	99
CLVD	1
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	9.05e+21 Dyne-cm
Mxx	-2.350e+21 Dyne-cm
Mxy	8.122e+21 Dyne-cm
Mxz	2.438e+21 Dyne-cm
Myy	7.898e+20 Dyne-cm
Myz	2.386e+21 Dyne-cm
Mzz	1.561e+21 Dyne-cm
Variance Reduction	80%
Version number	3
Solution time	2010/04/12 16:45:30 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	93	161	75
NP2	188	16	71

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