Event Number 1753

M2.5 m ENE of Alum Rock, CA at 2019/06/26 08:53:49 UTC / 2019/06/26 08:53:49 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.0km (3.7 mi)
HYPO2K = 4.2km (2.6 mi) Magnitude = -0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/06/26 08:53:49  37.385 -121.743  M2.5   6.1 8km ENE of Alum Rock, CA

EQPROC Summary:

1753 2019Jun26  853 48.82  37.4239 -121.6963  2.50 0.00 31.8 64.1 220  4
ADUB1 SHZ PN 01 2019Jun26  853 55.04 P D0  31.8  -0.00
ATZ   SHZ PN 01 2019Jun26  853 58.57 P ?0  52.7  -0.00
B057  EHZ PB -- 2019Jun26  854  6.59 P D1 101.9  -0.00
B058  EHZ PB -- 2019Jun26  854  1.49 P D3  70.1  -0.04

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-06-26  0853 49.80  37 25.00  121W43.52   2.48  0.02  1.40  8.42        2.57  2.57E    2.47
                                                                                          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  29.4  Emb  216   5   3   4   0   4      -                          4  0.39 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
                                                     2.57      4  0.39 E      8  3  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 29.4 231  91  PD    55.04  5.24  5.25 0.00 -0.01  1.33  W  1.000 0.00 39.0   2.70 E                        
 ATZ  PN SHZ 01 A 51.0 198  90  P     58.57  8.77  8.76 0.00  0.01  1.33  W  0.999 0.00 93.0   3.62 E                        
 B058 PB EHZ -- A 69.7 169  90  PD 3  61.49 11.69 11.79 0.00 -0.10  0.33  W  0.999 0.00 19.0   2.11 E                        
 B057 PB EHZ -- A100.4 313  90  PD 1  66.59 16.79 16.79 0.00  0.00  1.00  W  0.999 0.00 23.0 2 2.32 E                        

Event Files: June 2019