Hypocentral Location:

Event ID	72795911
Origin Time	2017/04/30 10:12:16
Latitude	38.7877
Longitude	-122.7780
Depth (TT)	2.3 km
Depth (MT; not authoritative)	3.5 km fixed

Magnitudes:

Md	3.7 (not authoritative)
Ml	3.8 (not authoritative)
Mw	3.98 (authoritative)

Principal Axes:

Scale	1.0E+21 Dyne-cm
Axis	Value	Plunge	Azimuth
T	13.640	14.122	121.316
N	-4.117	75.297	284.814
P	-9.523	4.009	30.306

Source Composition:

Type	Percent
DC	40
CLVD	60
Iso	(null)

Moment Tensor (Aki & Richards Convention):

Mo	1.16e+22 Dyne-cm
Mxx	-3.615e+21 Dyne-cm
Mxy	-9.759e+21 Dyne-cm
Mxz	-2.509e+21 Dyne-cm
Myy	6.702e+21 Dyne-cm
Myz	3.399e+21 Dyne-cm
Mzz	-3.087e+21 Dyne-cm
Variance Reduction	70%
Version number	2
Solution time	2017/04/30 11:32:44 UTC

Best-fit Double Couple Solution

Plane	Strike	Rake	Dip
NP1	257	13	83
NP2	165	173	77

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