Event Number 1998

M4.0 km ENE of Morgan Hill, CA - 2020/12/15 14:58:40 37.165 -121.552 M4.0 5.6 10km ENE of Morgan Hill, CA at 2020/12/15 14:58:40 UTC / 2020/12/15 06:58:40 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 7.0km (4.3 mi)
HYPO2K = 6.7km (4.2 mi) Magnitude = -0.2

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2020/12/15 14:58:40  37.165 -121.552  M4.0   5.6 10km ENE of Morgan Hill, CA

EQPROC Summary:

1998 2020Dec15 1458 40.14  37.1207 -121.6074 12.07 0.18 25.9 73.2 128  9
MTUMZ SHZ PN 01 2020Dec15 1458 45.43 P D0  25.9   0.00
ATZ   SHZ PN 01 2020Dec15 1458 46.86 P U0  30.2   0.73
ADUB1 SHZ PN 01 2020Dec15 1458 46.95 P U0  35.8  -0.08
RE9A7 EHZ AM 00 2020Dec15 1458 52.05 P D0  68.2   0.00
LCGPZ SHZ PN 01 2020Dec15 1458 51.96 P U0  69.8  -0.32
B057  EHZ PB -- 2020Dec15 1459  0.16 Pn?3 131.5  -0.53
B058  EHZ PB -- 2020Dec15 1458 47.03 P D0  35.8  -0.00
B054  EHZ PB -- 2020Dec15 1458 56.31 P D0  97.4   0.00
B073  EHZ PB -- 2020Dec15 1459  6.26 Pg?3 164.5   0.15

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2020-12-15  1458 40.16  37  7.837 121W36.702 19.00  0.25  1.80  2.24        4.15  4.15E   18.97
                                                                                          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  25.5  Emb  127   8   7   8   0   9                                 7  2.60 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
                                                     4.15      7  2.60 E     26  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 25.5 276 124  PD    45.43  5.27  5.50 0.00 -0.23  1.13  W  0.442 0.00  228 2 4.51 E                        
 ATZ  PN SHZ 01 A 30.6 237 120  PU    46.86  6.70  6.20 0.00  0.50* 1.13  W  0.381 0.00  107 4 3.81XE                        
 ADUB1PN SHZ 01 A 35.2 292 116  PU    46.95  6.79  6.85 0.00 -0.06  1.13  W  0.466 0.00  323 1 4.90 E                        
 B058 PB EHZ -- A 36.8 175 115  PD    47.03  6.87  7.09 0.00 -0.22  1.13  W  0.824 0.00  129 2 4.03 E                        
 RE9A7AM EHZ 00 A 67.2  14  66  PD    52.05 11.89 11.74 0.00  0.15  1.13  W  0.833 0.00 51.0 4 3.18XE                        
 LCGPZPN SHZ 01 A 69.0 307  66  PU    51.96 11.80 12.02 0.00 -0.22  1.13  W  0.660 0.00  118   3.99 E                        
 B054 PB EHZ -- A 96.2 328  66  PD    56.31 16.15 16.08 0.00  0.07  1.13  W  0.359 0.00  121 2 4.05 E                        
 B057 PB EHZ -- A130.4 321  66  P  3  60.16 20.00 21.18 0.00 -1.18* 0.00  W  0.000 0.00  117 2 4.05 E                        
 B073 PB EHZ -- A166.4 141  48  P  3  66.26 26.10 26.33 0.00 -0.23  0.12  W  0.030 0.00  115 1 4.07 E                        

Event Files: December 2020