Hypocentral Location:

Event ID	71565781
Origin Time	2011/04/26 08:02:50
Latitude	40.2305
Longitude	-121.0530
Depth (TT)	0.1 km
Depth (MT; not authoritative)	5 km fixed

Magnitudes:

Md	3.12 (not authoritative)
Ml	3.02 (not authoritative)
Mw	3.28 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.075	0.255	91.213
N	-0.096	29.471	1.069
P	-0.979	60.527	181.665

Source Composition:

Type	Percent
DC	82
CLVD	18
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.03e+21 Dyne-cm
Mxx	-3.093e+20 Dyne-cm
Mxy	-3.100e+19 Dyne-cm
Mxz	3.778e+20 Dyne-cm
Myy	1.075e+21 Dyne-cm
Myz	1.620e+19 Dyne-cm
Mzz	-7.653e+20 Dyne-cm
Variance Reduction	49%
Version number	1
Solution time	2011/04/26 16:32:08 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	335	-128	52
NP2	207	-51	52

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