Event Number 1781

M2.8 m SW of Ridgemark, CA at 2019/09/14 23:52:13 UTC / 2019/09/14 23:52:13 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 8.8km (5.5 mi)
HYPO2K = 5.4km (3.4 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/09/14 23:52:13  36.760 -121.432  M2.8  10.5 8km SW of Ridgemark, CA

EQPROC Summary:

1781 2019Sep14 2352 13.54  36.7332 -121.5245  9.48 0.01  8.9 83.1 192  4
MTUMZ SHZ PN 01 2019Sep14 2352 24.04 P ?3  57.1   0.12
B058  EHZ PB -- 2019Sep14 2352 16.09 P U0   8.9  -0.00
B073  EHZ PB -- 2019Sep14 2352 33.88 P U2 127.6   0.01
B054  EHZ PB -- 2019Sep14 2352 35.31 P U3 138.7   0.02

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-09-14  2352 13.16  36 43.39  121W28.23   9.47  0.30 24.51  9.47        2.75  2.75E    9.42
                                                                                          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  13.0  Emb  178   6   3   4   0   4      -                          3  0.01 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
                                                     2.75      3  0.01 E     58  2  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
 B058 PB EHZ -- A 13.0 311 122  PU    16.09  2.93  2.94 0.00 -0.01  2.00  W  0.999 0.00 55.0 1 2.93 E                        
 MTUMZPN SHZ 01 A 61.0 322  97  P  3  24.04 10.88 10.46 0.00  0.42  0.50  W  1.000 0.00 37.0   2.74 E                        
 B073 PB EHZ -- A124.4 133  93  PU 2  33.88 20.72 20.72 0.00  0.00  1.00  W  0.999 0.00 35.0   2.75 E                        
 B054 PB EHZ -- A141.8 334  66  PU 3  35.31 22.15 23.49 0.00 -1.34* 0.50  W  1.000 0.00 1.00 4                               

Event Files: September 2019