Hypocentral Location:

Event ID	268031
Origin Time	1992/04/26 07:41:40
Latitude	40.4325
Longitude	-124.5660
Depth (TT)	18.8 km
Depth (MT; not authoritative)	18 km fixed

Magnitudes:

Ma	6.07 (not authoritative)
Md	6.39 (not authoritative)
Ml	6.5 (not authoritative)
Mw	6.45 (authoritative)

Principal Axes:

Scale	1.0E+25 Dyne-cm
Axis	Value	Plunge	Azimuth
T	5.926	2.588	240.946
N	-0.248	84.327	358.008
P	-5.678	5.045	150.718

Source Composition:

Type	Percent
DC	92
CLVD	8
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	5.80e+25 Dyne-cm
Mxx	-2.894e+25 Dyne-cm
Mxy	4.914e+25 Dyne-cm
Mxz	2.796e+24 Dyne-cm
Myy	3.171e+25 Dyne-cm
Myz	-4.761e+24 Dyne-cm
Mzz	-2.775e+24 Dyne-cm
Variance Reduction	65%
Version number	1
Solution time	2010/05/14 23:25:21 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	196	-5	88
NP2	286	-178	85

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