Hypocentral Location:

Event ID	72125816
Origin Time	2013/12/17 13:28:02
Latitude	40.6915
Longitude	-124.5063
Depth (TT)	17.7 km
Depth (MT; not authoritative)	21 km fixed

Magnitudes:

Md	3.91 (not authoritative)
Ml	3.94 (not authoritative)
Mw	4.11 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	1.836	6.281	294.202
N	0.026	74.645	180.573
P	-1.862	13.954	25.769

Source Composition:

Type	Percent
DC	97
CLVD	3
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.85e+22 Dyne-cm
Mxx	-1.116e+22 Dyne-cm
Mxy	-1.365e+22 Dyne-cm
Mxz	-3.172e+21 Dyne-cm
Myy	1.178e+22 Dyne-cm
Myz	-3.716e+21 Dyne-cm
Mzz	-6.206e+20 Dyne-cm
Variance Reduction	82%
Version number	3
Solution time	2013/12/17 23:13:41 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	161	-166	85
NP2	69	-6	76

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