Event Number 1855

M2.2 m SW of Danville, CA at 2020/03/01 16:09:34 UTC / 2020/03/01 16:09:34 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.6km (4.1 mi)
HYPO2K = 6.5km (4.0 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2020/03/01 16:09:34  37.812 -122.010  M2.2  10.4 1km SW of Danville, CA

EQPROC Summary:

1855 2020Mar 1 1609 34.81  37.8682 -122.0328 12.66 0.00 14.7 54.7 201  4
ADUB1 SHZ PN 01 2020Mar 1 1609 46.81 P ?2  69.1   0.00
CMP   SHZ PN 07 2020Mar 1 1609 49.10 P D0  84.8   0.00
B057  EHZ PB -- 2020Mar 1 1609 44.05 P D2  50.2   0.00
B054  EHZ PB -- 2020Mar 1 1609 38.48 P U0  14.7   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2020-03-01  1609 35.05  37 52.20  122W 0.47   8.41  0.01  1.45  3.44        2.18  2.18E    8.38
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    4    4  16.9  Emb  202   6   3   4   0   4                                 4  0.24 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T DEPDAT NS ZT TYP
                                                     2.18      4  0.24 E     32  4  M CRH
 REGION=                          

 STA NET COM L CR DIST AZM  AN P/S WT   SEC (TOBS -TCAL -DLY  =RES)  WT   SR  INFO  CAL  DUR-W-FMAG-T -AMP-U-PER-W-XMAG-T DE
 B054 PB EHZ -- A 16.9 267 112  PU    38.48  3.43  3.42 0.00  0.01  1.33  W  1.000 0.00 21.0   2.03 E                        
 B057 PB EHZ -- A 52.0 290  97  PD 2  44.05  9.00  8.99 0.00  0.01  0.67  W  0.999 0.00 15.0   1.86 E                        
 ADUB1PN SHZ 01 A 69.1 177  95  P  2  46.81 11.76 11.76 0.00  0.00  0.67  W  0.999 0.00 24.0   2.33 E                        
 CMP  PN SHZ 07 A 83.3 132  94  PD    49.10 14.05 14.05 0.00  0.00  1.33  W  0.999 0.00 55.0   3.15 E                        

Event Files: March 2020