Event Number 1826

M2.2 km E of Seven Trees, CA at 2019/12/22 02:25:20 UTC / 2019/12/22 02:25:20 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 3.0km (1.9 mi)
HYPO2K = 1.7km (1.0 mi) Magnitude = 0.0

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/12/22 02:25:20  37.299 -121.671  M2.2   5.9 15km E of Seven Trees, CA

EQPROC Summary:

1826 2019Dec22  225 21.13  37.2797 -121.6469  5.64 0.03 26.2 56.1 110  6
MTUMZ SHZ PN 01 2019Dec22  225 26.23 P U1  26.2  -0.00
ADUB1 SHZ PN 01 2019Dec22  225 26.81 P D0  29.6  -0.00
CMP   SHZ PN 07 2019Dec22  225 26.92 P U0  30.3   0.00
B058  EHZ PB -- 2019Dec22  225 31.27 P ?2  53.7   0.39
B054  EHZ PB -- 2019Dec22  225 35.45 P ?3  80.9   0.01
B057  EHZ PB -- 2019Dec22  225 40.13 P ?2 116.1  -0.30

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-12-22  0225 21.45  37 18.69  121W39.55   3.72  0.11  0.95 11.11        2.17  2.17E    3.67
                                                                                          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  27.5  Emb  124   8   3   5   0   6      -                          4  0.33 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
                                                     2.17      4  0.33 E     48  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
 MTUMZPN SHZ 01 A 27.5 231  93  PU 1  26.23  4.78  4.94 0.00 -0.16  1.00  W  0.455 0.00 16.0   1.83 E                        
 ADUB1PN SHZ 01 A 29.3 257  93  PD    26.81  5.36  5.24 0.00  0.12  1.34  W  0.685 0.00 31.0   2.48 E                        
 CMP  PN SHZ 07 A 30.6  80  93  PU    26.92  5.47  5.45 0.00  0.02  1.34  W  0.999 0.00 69.0   3.26 E                        
 B058 PB EHZ -- A 57.3 172  91  P  2  31.27  9.82  9.78 0.00  0.04  0.67  W  0.937 0.00 15.0   1.86 E                        
 B054 PB EHZ -- A 77.4 323  91  P  3  35.45 14.00 13.06 0.00  0.94* 0.00  W  0.000 0.00 5.00 4 0.83XE                        
 B057 PB EHZ -- A112.7 316  90  P  2  40.13 18.68 18.83 0.00 -0.15  0.65  W  0.921 0.00 3.00 4 0.37XE                        

Event Files: December 2019