Event Number 1620

M2.2 m NE of San Martin, CA at 2018/08/21 12:49:54 UTC / 2018/08/21 12:49:54 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 36.9km (23.0mi)
HYPO2K = 46.5km (28.9mi) Magnitude = 0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/08/21 12:49:54  37.131 -121.529  M2.2   7.8 9km NE of San Martin, CA

EQPROC Summary:

1620 2018Aug21 1249 55.74  36.9358 -121.8653  2.70 0.01 24.3 56.5 212  4
MTUMZ SHZ PN 01 2018Aug21 1250  0.65 P D0  24.3  -0.00
ADUB1 SHZ PN 01 2018Aug21 1250  2.64 P ?0  36.1  -0.00
B058  EHZ PB -- 2018Aug21 1250  1.50 P D1  29.3  -0.00
B057  EHZ PB -- 2018Aug21 1250 16.98 P ?3 136.1  -1.02

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-08-21  1249 55.38  36 53.00  121W57.36   2.91  0.25  7.96 22.61        1.93  1.93E    2.87
                                                                                          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  30.4  Emb  233   8   2   4   0   4      -                          3  0.28 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
                                                     1.93      3  0.28 E     42  3  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
 MTUMZPN SHZ 01 A 30.4   9  91  PD    60.65  5.27  5.41 0.00 -0.14  1.33  W  1.000 0.00 13.0   1.65 E                        
 B058 PB EHZ -- A 34.7 105  91  PD 1  61.50  6.12  6.12 0.00  0.00  1.00  W  1.000 0.00 17.0   1.93 E                        
 ADUB1PN SHZ 01 A 40.5 357  91  P     62.64  7.26  7.05 0.00  0.21  1.33  W  1.000 0.00 28.0   2.45 E                        
 B057 PB EHZ -- A138.0 338  90  P  3  76.98 21.60 22.89 0.00 -1.29* 0.33  W  1.000 0.00 3.00 4 0.40XE                        

Event Files: August 2018