Event Number 851

M2.8 m NW of The Geysers, California at 2015/09/16 13:44:18 UTC / 2015/09/16 13:44:18 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 29.2km (18.1mi)
HYPO2K = 28.8km (17.9mi) Magnitude = 0.4

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2015/09/16 13:44:18  38.782 -122.762  M2.8   0.2 0km NW of The Geysers, California

EQPROC Summary:

851 2015Sep16 1344 23.09  38.5315 -122.6605  3.47 0.02  6.3 64.2 291  4
TASRZ SHZ PN 01 2015Sep16 1344 24.81 P D2   6.3   0.00
JCPZ  SHZ PN 08 2015Sep16 1344 42.31 P U3 108.9   0.62
B054  EHZ PB -- 2015Sep16 1344 38.14 P D1  85.0   0.00
B057  EHZ PB -- 2015Sep16 1344 33.34 P ?0  56.6   0.00
B073  EHZ PB -- 2015Sep16 1345 16.02 PgD2 346.1  -0.30 WAIF

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH   RMS   ERH   ERZ  XMAG1 FMAG1 PMAG
 2015-09-16  1344 23.64  38 31.54  122W42.56   2.99  0.08  9.85  3.17        2.41  2.41E
                                                                                          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   4.1  Emb  331   6   3   4   0   4      -                          2  0.13 E  W W  

 XMAG2-N.XMG2-XMMAD-T-S  FMAG2-N.FMG2-FMMAD-T-S  PREF.MAG-N.PMAG-PRMAD-T
                                                     2.41      2  0.13 E
 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
 TASRZPN SHZ 01 A  4.1 177 111  PD 2  24.81  1.17  1.17 0.00  0.00  0.80  W  0.999 0.00 1.00 4                               
 B057 PB EHZ -- A 56.7 167  91  P     33.34  9.70  9.70 0.00  0.00  1.60  W  1.000 0.00 23.0 1 2.28 E                        
 B054 PB EHZ -- A 86.3 148  90  PD 1  38.14 14.50 14.50 0.00  0.00  1.20  W  1.000 0.00 29.0 1 2.53 E                        
 JCPZ PN SHZ 08 A109.4 161  90  PU 3  42.31 18.67 18.25 0.00  0.42  0.40  W  0.999 0.00 5.00 4 0.86XE                        

Event Files: September 2015