Hypocentral Location:

Event ID	30152582
Origin Time	1997/11/22 18:10:59
Latitude	37.6360
Longitude	-118.9487
Depth (TT)	5.5 km
Depth (MT; not authoritative)	8 km fixed

Magnitudes:

Ma	4.94 (not authoritative)
Md	4.45 (not authoritative)
Ml	4.72 (not authoritative)
Mw	4.5 (authoritative)

Principal Axes:

Scale	1.0E+22 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.599	18.267	204.818
N	-3.272	68.267	350.720
P	-5.327	11.368	111.012

Source Composition:

Type	Percent
DC	24
CLVD	76
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	6.96e+22 Dyne-cm
Mxx	5.293e+22 Dyne-cm
Mxy	4.739e+22 Dyne-cm
Mxz	-3.065e+22 Dyne-cm
Myy	-3.108e+22 Dyne-cm
Myz	-1.854e+22 Dyne-cm
Mzz	-2.185e+22 Dyne-cm
Variance Reduction	86%
Version number	2
Solution time	2012/04/11 04:44:24 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	339	21	85
NP2	247	175	69

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