Event Number 2952

M4.2 km NW of The Geysers, CA - 2026/05/07 09:42:43 38.791 -122.774 M4.2 3.5 2 km NW of The Geysers, CA at 2026/05/07 09:42:43 UTC / 2026/05/07 02:42:43 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 52.8km (32.8mi)
HYPO2K = 15.3km (9.5 mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2026/05/07 09:42:43  38.791 -122.774  M4.2   3.5 2 km NW of The Geysers, CA

EQPROC Summary:

2952 2026May 7  942 51.37  38.4135 -122.4044  2.00 0.41 45.2118.1 293  9
LCGPZ SHZ PN 01 2026May 7  943  9.44 P D3 102.9   0.06
GLFBZ SHZ PN 01 2026May 7  943 10.42 P ?0 109.9   0.00
RE9A7 EHZ AM 00 2026May 7  943 11.33 P ?1 116.7   0.02
MTUMZ SHZ PN 01 2026May 7  943 16.25 P ?3 147.0   1.08
ATZ   SHZ PN 01 2026May 7  943 19.05 PgD1 165.6   0.51
B057  EHZ PB -- 2026May 7  942 58.27 P U3  45.2  -1.68
B054  EHZ PB -- 2026May 7  943  2.20 P U2  64.1  -0.95
B058  EHZ PB -- 2026May 7  943 18.32 PnD3 193.5  -2.77
B073  EHZ PB -- 2026May 7  943 36.91 PnU2 322.8  -0.66

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2026-05-07  0942 44.94  38 45.213 122W36.811  0.06  0.46 15.07 32.49        3.91  3.91E    0.06
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    9    9  80.7  Emb  320   9   6   8   0   9      -                          8  1.95 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
                                                     3.91      8  1.95 E      1  1  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
 B057 PB EHZ -- A 80.7 177  27  PU 3  58.27 13.33 14.04 0.00 -0.71* 0.47  W  0.795 0.00  103 1 3.75 E                        
 B054 PB EHZ -- A105.6 159  27  PU 2  62.20 17.26 18.08 0.00 -0.82* 0.94  W  0.328 0.00  107 1 3.81 E                        
 LCGPZPN SHZ 01 A143.2 166  27  PD 3  69.44 24.50 24.21 0.00  0.29  0.47  W  0.054 0.00  148 1 4.17 E                        
 GLFBZPN SHZ 01 A150.8 164  27  P     70.42 25.48 25.44 0.00  0.04  1.88  W  0.745 0.00  123 1 4.00 E                        
 RE9A7AM EHZ 00 A155.7 137  27  P  1  71.33 26.39 26.24 0.00  0.15  1.41  W  0.973 0.00  328 2 4.95 E                        
 MTUMZPN SHZ 01 A188.5 160  20  P  3  76.25 31.31 31.35 0.00 -0.04  0.47  W  0.072 0.00 87.0 1 3.70 E                        
 ATZ  PN SHZ 01 A206.8 162  20  PD 1  79.05 34.11 33.60 0.00  0.51* 1.41  W  0.676 0.00  346 2 5.05 E                        
 B058 PB EHZ -- A235.2 156  20  PD 3  78.32 33.38 37.07 0.00 -3.69* 0.00  W  0.000 0.00 95.0   3.84 E                        
 B073 PB EHZ -- A364.8 148  20  PU 2  96.91 51.97 52.91 0.00 -0.94* 0.93  W  0.354 0.00 1.00 4                               

Event Files: May 2026