Event Number 1769

M2.5 km E of Alum Rock, CA at 2019/08/13 10:31:12 UTC / 2019/08/13 10:31:12 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.0km (1.2 mi)
HYPO2K = 2.3km (1.4 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/08/13 10:31:12  37.354 -121.720  M2.5   5.7 10km E of Alum Rock, CA

EQPROC Summary:

1769 2019Aug13 1031 12.67  37.3507 -121.6981  9.05 0.09 27.4 53.6 127  7
MTUMZ SHZ PN 01 2019Aug13 1031 18.01 P U0  28.1  -0.17
ADUB1 SHZ PN 01 2019Aug13 1031 18.06 P U0  27.4  -0.01
CMP   SHZ PN 07 2019Aug13 1031 19.08 P U0  33.5  -0.01
ATZ   SHZ PN 01 2019Aug13 1031 21.33 P D0  45.0   0.32
B057  EHZ PB -- 2019Aug13 1031 30.40 P D0 107.3  -0.07
B058  EHZ PB -- 2019Aug13 1031 23.88 P D1  62.1  -0.01
B054  EHZ PB -- 2019Aug13 1031 25.37 P D1  71.9  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-08-13  1031 13.04  37 22.05  121W42.40   4.00  0.23  0.93 17.62        2.48  2.48E    3.96
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    7    7  27.7  Emb  129   5   7   7   0   7      -                          6  0.34 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
                                                     2.48      6  0.34 E     41  5  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
 ADUB1PN SHZ 01 A 27.7 242  94  PU    18.06  5.02  4.98 0.00  0.04  1.08  W  0.602 0.00 41.0   2.74 E                        
 MTUMZPN SHZ 01 A 29.2 216  94  PU    18.01  4.97  5.22 0.00 -0.25  1.08  W  0.401 0.00 23.0   2.19 E                        
 CMP  PN SHZ 07 A 34.4  91  93  PU    19.08  6.04  6.07 0.00 -0.03  1.08  W  0.977 0.00 59.0   3.13 E                        
 ATZ  PN SHZ 01 A 46.5 202  92  PD    21.33  8.29  8.03 0.00  0.26  1.08  W  0.482 0.00 79.0 1 3.45 E                        
 B058 PB EHZ -- A 64.0 169  91  PD 1  23.88 10.84 10.88 0.00 -0.04  0.81  W  0.522 0.00 19.0   2.10 E                        
 B054 PB EHZ -- A 69.9 322  91  PD 1  25.37 12.33 11.84 0.00  0.49  0.79  W  0.329 0.00 23.0 1 2.29 E                        
 B057 PB EHZ -- A105.4 315  91  PD    30.40 17.36 17.62 0.00 -0.26  1.08  W  0.683 0.00 11.0 4 1.62XE                        

Event Files: August 2019