Event Number 2275

M2.5 m NE of Alum Rock, CA - 2022/05/02 21:26:15 37.411 -121.761 M2.5 6.3 8km NE of Alum Rock, CA at 2022/05/02 21:26:15 UTC / 2022/05/02 14:26:15 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 63.2km (39.3mi)
HYPO2K = 20.9km (13.0mi) Magnitude = -0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2022/05/02 21:26:15  37.411 -121.761  M2.5   6.3 8km NE of Alum Rock, CA

EQPROC Summary:

2275 2022May 2 2126 13.15  37.0907 -122.3507 31.64 0.03 37.0 64.7 234  6
ADUB1 SHZ PN 01 2022May 2 2126 20.88 P ?0  37.0  -0.00
GLFBZ SHZ PN 01 2022May 2 2126 21.58 P ?1  43.1  -0.00
MTUMZ SHZ PN 01 2022May 2 2126 21.29 P ?0  40.6  -0.00
B054  EHZ PB -- 2022May 2 2126 26.97 P ?1  86.5  -0.00
B057  EHZ PB -- 2022May 2 2126 31.94 Pg?2 105.8   1.41
B058  EHZ PB -- 2022May 2 2126 27.79 PgU3  75.3   1.59

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2022-05-02  2126 15.20  37 18.474 121W57.885 32.80  0.12  8.18  6.29        2.73  2.73E   32.77
                                                                                          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   6.9  Emb  178  14   1   4   0   6      -                          5  0.54 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
                                                     2.73      5  0.54 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  6.9 192 167  P     20.88  5.68  5.54 0.00  0.14  1.14  W  0.999 0.00 58.0   3.27 E                        
 MTUMZPN SHZ 01 A 18.2 160 148  P     21.29  6.09  6.18 0.00 -0.09  1.14  W  1.000 0.00 21.0   2.36 E                        
 GLFBZPN SHZ 01 A 22.4 313 142  P  1  21.58  6.38  6.53 0.00 -0.15  0.86  W  0.999 0.00 30.0   2.73 E                        
 B054 PB EHZ -- A 64.7 342 110  P  1  26.97 11.77 11.72 0.00  0.05  0.86  W  0.999 0.00 25.0   2.68 E                        
 B058 PB EHZ -- A 66.0 148 110  PU 3  27.79 12.59 11.89 0.00  0.70* 0.00  W  0.000 0.00 5.00 4 1.13XE                        
 B057 PB EHZ -- A 95.8 327 102  P  2  31.94 16.74 16.18 0.00  0.56* 0.00  W  0.000 0.00 23.0 1 2.64 E                        

Event Files: May 2022