Event Number 1872

M2.8 m ENE of Aromas, CA at 2020/04/06 23:17:23 UTC / 2020/04/06 23:17:23 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 2.8km (1.7 mi)
HYPO2K = 4.5km (2.8 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2020/04/06 23:17:23  36.892 -121.623  M2.8   5.0 2km ENE of Aromas, CA

EQPROC Summary:

1872 2020Apr 6 2317 23.12  36.8747 -121.6461  4.18 0.03 10.1 78.9 152  7
ATZ   SHZ PN 01 2020Apr 6 2317 28.44 P D3  25.1   0.42
MTUMZ SHZ PN 01 2020Apr 6 2317 30.22 P ?1  38.1   0.00
CMP   SHZ PN 07 2020Apr 6 2317 34.10 P D0  61.0   0.00
B058  EHZ PB -- 2020Apr 6 2317 25.49 P D0  10.2   0.00
B073  EHZ PB -- 2020Apr 6 2317 47.10 PgD2 146.2   0.00
B054  EHZ PB -- 2020Apr 6 2317 44.04 PgU3 119.9   0.78
B057  EHZ PB -- 2020Apr 6 2317 48.84 PgD3 151.6   0.95

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2020-04-06  2317 23.27  36 51.22  121W38.86   9.05  0.14  0.88  1.13        2.65  2.65E    9.00
                                                                                          SOURCE
 NSTA NPHS  DMIN MODEL GAP ITR NFM NWR NWS NVR REMRKS-AVH  N.XMG-XMMAD-T   N.FMG-FMMAD-T  L F X
    7    7   8.5  Emb  167   9   6   7   0   7      #                          4  0.16 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
                                                     2.65      4  0.16 E     49  4  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
 B058 PB EHZ -- A  8.5 135 133  PD    25.49  2.22  2.31 0.00 -0.09  1.75  W  0.981 0.00 41.0   2.62 E                        
 ATZ  PN SHZ 01 A 26.3 302 106  PD 3  28.44  5.17  4.90 0.00  0.27  0.44  W  0.152 0.00 31.0 4 2.46XE                        
 MTUMZPN SHZ 01 A 40.0 327 100  P  1  30.22  6.95  7.07 0.00 -0.12  1.31  W  0.728 0.00 27.0   2.41 E                        
 CMP  PN SHZ 07 A 63.1  27  96  PD    34.10 10.83 10.79 0.00  0.04  1.75  W  0.982 0.00 89.0   3.59 E                        
 B054 PB EHZ -- A121.9 337  93  PU 3  44.04 20.77 20.33 0.00  0.44  0.44  W  0.063 0.00 33.0 1 2.70 E                        
 B073 PB EHZ -- A145.8 133  66  PD 2  47.10 23.83 24.12 0.00 -0.29  0.88  W  0.942 0.00 1.00 4                               
 B057 PB EHZ -- A153.5 329  66  PD 3  48.84 25.57 25.26 0.00  0.31  0.44  W  0.149 0.00 11.0 4 1.67XE                        

Event Files: April 2020