Hypocentral Location:

Event ID	268078
Origin Time	1992/04/26 11:18:26
Latitude	40.3828
Longitude	-124.5550
Depth (TT)	21.7 km
Depth (MT; not authoritative)	27 km fixed

Magnitudes:

Ma	6.2 (not authoritative)
Md	5.87 (not authoritative)
Ml	6.6 (not authoritative)
Mw	6.57 (authoritative)

Principal Axes:

Scale	1.0E+25 Dyne-cm
Axis	Value	Plunge	Azimuth
T	8.597	7.793	69.827
N	0.673	79.826	209.522
P	-9.269	6.500	338.933

Source Composition:

Type	Percent
DC	85
CLVD	15
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	8.93e+25 Dyne-cm
Mxx	-6.949e+25 Dyne-cm
Mxy	5.810e+25 Dyne-cm
Mxz	-6.764e+24 Dyne-cm
Myy	6.258e+25 Dyne-cm
Myz	1.401e+25 Dyne-cm
Mzz	6.910e+24 Dyne-cm
Variance Reduction	81%
Version number	1
Solution time	2010/05/14 23:28:54 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	204	10	89
NP2	114	179	80

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