Hypocentral Location:

Event ID	40237802
Origin Time	2009/06/08 07:54:04
Latitude	40.3835
Longitude	-124.4078
Depth (TT)	17.1 km
Depth (MT; not authoritative)	18 km fixed

Magnitudes:

Md	3.73 (not authoritative)
Ml	4.11 (not authoritative)
Mw	3.91 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.634	37.463	70.609
N	0.831	47.195	284.777
P	-9.465	17.633	174.706

Source Composition:

Type	Percent
DC	82
CLVD	18
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	9.05e+21 Dyne-cm
Mxx	-7.899e+21 Dyne-cm
Mxy	2.399e+21 Dyne-cm
Mxz	4.210e+21 Dyne-cm
Myy	5.126e+21 Dyne-cm
Myz	3.279e+21 Dyne-cm
Mzz	2.773e+21 Dyne-cm
Variance Reduction	82%
Version number	4
Solution time	2009/07/02 14:57:06 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	119	139	78
NP2	219	16	50

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