Hypocentral Location:

Event ID	71562581
Origin Time	2011/04/22 01:32:14
Latitude	40.8132
Longitude	-123.9553
Depth (TT)	29.1 km
Depth (MT; not authoritative)	24 km fixed

Magnitudes:

Md	3.18 (not authoritative)
Ml	3.04 (not authoritative)
Mw	3.25 (authoritative)

Principal Axes:

Scale	1.0E+20 Dyne-cm
Axis	Value	Plunge	Azimuth
T	9.732	14.339	74.395
N	-0.923	64.925	311.281
P	-8.809	20.116	169.767

Source Composition:

Type	Percent
DC	81
CLVD	19
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	9.27e+20 Dyne-cm
Mxx	-6.933e+20 Dyne-cm
Mxy	3.807e+20 Dyne-cm
Mxz	3.194e+20 Dyne-cm
Myy	8.136e+20 Dyne-cm
Myz	2.010e+20 Dyne-cm
Mzz	-1.202e+20 Dyne-cm
Variance Reduction	51%
Version number	1
Solution time	2011/04/22 03:39:27 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	303	-155	86
NP2	211	-4	65

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