Event Number 3002

M4.1 km N of San Leandro, CA - 2026/08/13 15:30:04 37.759 -122.151 M4.1 5.2 4 km N of San Leandro, CA at 2026/08/13 15:30:04 UTC / 2026/08/13 08:30:04 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.9km (1.8 mi)
HYPO2K = 4.6km (2.8 mi) Magnitude = -0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2026/08/13 15:30:04  37.759 -122.151  M4.1   5.2 4 km N of San Leandro, CA

EQPROC Summary:

3002 2026Aug13 1530  4.71  37.7630 -122.1835 10.17 0.03 10.9 60.3 161  7
LCGPZ SHZ PN 01 2026Aug13 1530 10.57 P D0  30.0  -0.01
GLFBZ SHZ PN 01 2026Aug13 1530 11.40 P D0  35.5  -0.08
ADUB1 SHZ PN 01 2026Aug13 1530 15.65 P D0  60.0   0.06
MTUMZ SHZ PN 01 2026Aug13 1530 17.37 P U0  72.3  -0.01
B054  EHZ PB -- 2026Aug13 1530  7.39 S D0  10.9  -2.29
B057  EHZ PB -- 2026Aug13 1530 13.02 P U0  44.7  -0.00
B058  EHZ PB -- 2026Aug13 1530 23.61 PnD3 119.5  -0.33

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2026-08-13  1530  5.27  37 45.122 122W12.263  9.72  0.10  3.87 10.37        4.11  4.11E    9.69
                                                                                          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  28.5  Emb  202   6   6   5   0   6      -                          6  3.51 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
                                                     4.11      6  3.51 E     23  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
 LCGPZPN SHZ 01 A 28.5 187 106  PD    10.57  5.30  5.28 0.00  0.02  1.00  W  0.999 0.00  545   5.24 E                        
 GLFBZPN SHZ 01 A 34.4 172 103  PD    11.40  6.13  6.21 0.00 -0.08  1.00  W  0.986 0.00  163   4.11 E                        
 B057 PB EHZ -- A 44.1 315 100  PU    13.02  7.75  7.75 0.00 -0.00  1.00  W  0.999 0.00 85.0   3.52 E                        
 ADUB1PN SHZ 01 A 59.4 160  97  PD    15.65 10.38 10.21 0.00  0.17  1.00  W  0.411 0.00  389 1 5.01 E                        
 MTUMZPN SHZ 01 A 71.8 157  96  PU    17.37 12.10 12.21 0.00 -0.11  1.00  W  0.602 0.00 88.0   3.59 E                        
 B058 PB EHZ -- A119.3 152  93  PD 3  23.61 18.34 19.91 0.00 -1.57* 0.00  W  0.000 0.00  101   3.77 E                        

Event Files: August 2026