Event Number 1777

M2.5 m NE of Alum Rock, CA at 2019/09/01 07:12:04 UTC / 2019/09/01 07:12:04 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 18.9km (11.7mi)
HYPO2K = 12.5km (7.8 mi) Magnitude = -0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/09/01 07:12:04  37.427 -121.769  M2.5   9.1 8km NE of Alum Rock, CA

EQPROC Summary:

1777 2019Sep 1  712  4.90  37.3278 -121.9423 32.45 0.02  9.5 47.9 172  6
ADUB1 SHZ PN 01 2019Sep 1  712 10.35 P D0   9.5   0.00
LCGPZ SHZ PN 01 2019Sep 1  712 12.18 P ?1  32.4   0.01
MTUMZ SHZ PN 01 2019Sep 1  712 10.94 P ?2  19.8  -0.05
B054  EHZ PB -- 2019Sep 1  712 15.84 P D1  63.4   0.01
B057  EHZ PB -- 2019Sep 1  712 20.90 Pg?2  95.2   0.10
B058  EHZ PB -- 2019Sep 1  712 17.38 PgD2  66.8   0.56

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-09-01  0712  5.21  37 22.97  121W53.27  24.95  0.04  1.90  1.82        2.52  2.52E   24.92
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    6    6  17.1  Emb  184   6   3   5   0   6                                 6  0.14 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
                                                     2.52      6  0.14 E     33  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 17.1 209 141  PD    10.35  5.14  5.12 0.00  0.02  1.70  W  0.938 0.00 43.0   2.93 E                        
 MTUMZPN SHZ 01 A 25.5 182 128  P  2  10.94  5.73  6.00 0.00 -0.27  0.04  W  0.000 0.00 25.0   2.46 E                        
 LCGPZPN SHZ 01 A 33.7 293 119  P  1  12.18  6.97  7.02 0.00 -0.05  1.28  W  0.771 0.00 21.0   2.34 E                        
 B054 PB EHZ -- A 59.7 333 102  PD 1  15.84 10.63 10.65 0.00 -0.02  1.28  W  0.950 0.00 25.0   2.57 E                        
 B058 PB EHZ -- A 70.3 157  99  PD 2  17.38 12.17 12.20 0.00 -0.03  0.85  W  0.950 0.00 19.0   2.32 E                        
 B057 PB EHZ -- A 93.2 321  95  P  2  20.90 15.69 15.60 0.00  0.09  0.85  W  0.389 0.00 25.0   2.61 E                        

Event Files: September 2019