Event Number 2761

M2.5 km W of Alamo, CA - 2025/03/12 11:45:52 37.841 -122.077 M2.5 5.4 4 km W of Alamo, CA at 2025/03/12 11:45:52 UTC / 2025/03/12 04:45:52 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 28.6km (17.7mi)
HYPO2K = 30.0km (18.6mi) Magnitude = -0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2025/03/12 11:45:52  37.841 -122.077  M2.5   5.4 4 km W of Alamo, CA

EQPROC Summary:

2761 2025Mar12 1145 48.02  37.6942 -121.8107 14.50 0.13 34.9 57.5 147  4
RE9A7 EHZ AM 00 2025Mar12 1145 54.85 P ?0  34.9  -0.00
ATZ   SHZ PN 01 2025Mar12 1146  1.45 P ?1  79.9   0.02
B057  EHZ PB -- 2025Mar12 1146  1.51 P U0  76.2   0.62
B054  EHZ PB -- 2025Mar12 1145 55.45 P U0  39.0  -0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2025-03-12  1145 48.43  37 40.034 121W49.097  9.36  0.03  0.67  6.35        2.54  2.54E    9.35
                                                                                          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  35.8  Emb  138   5   2   4   0   4      -                          2  2.53 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
                                                     2.54      2  2.53 E     12  4  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
 RE9A7AM EHZ 00 A 35.8  81 102  P     54.85  6.42  6.42 0.00 -0.00  1.07  W  1.000 0.00 3.00 4 0.27XE                        
 B054 PB EHZ -- A 39.8 303 100  PU    55.45  7.02  7.06 0.00 -0.04  1.07  W  1.000 0.00 31.0   2.54 E                        
 ATZ  PN SHZ 01 A 76.8 186  95  P  1  61.45 13.02 13.02 0.00 -0.00  0.80  W  0.999 0.00 5.00 4 0.83XE                        
 B057 PB EHZ -- A 77.0 302  95  PU    61.51 13.08 13.04 0.00  0.04  1.07  W  0.999 0.00 21.0   2.21 E