Event Number 1611

M2.4 m SW of Ridgemark, CA at 2018/07/28 16:01:59 UTC / 2018/07/28 16:01:59 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 4.4km (2.8 mi)
HYPO2K = 8.0km (5.0 mi) Magnitude = -0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/07/28 16:01:59  36.777 -121.412  M2.4   8.8 6km SW of Ridgemark, CA

EQPROC Summary:

1611 2018Jul28 1602  0.04  36.7681 -121.4605  3.50 0.04 11.2 68.6 152  4
ADUB1 SHZ PN 01 2018Jul28 1602 13.20 P U3  70.3   0.60
CMP   SHZ PN 07 2018Jul28 1602 11.99 P D3  66.7   0.00
B058  EHZ PB -- 2018Jul28 1602  2.58 P D0  11.2   0.00
B073  EHZ PB -- 2018Jul28 1602 20.88 P U2 126.3   0.00

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-07-28  1602  0.10  36 43.70  121W28.35   3.43  0.16  2.55 13.37        2.48  2.48E    3.40
                                                                                          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  12.5  Emb  177   7   4   4   0   4      -                          3  0.24 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
                                                     2.48      3  0.24 E     32  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
 B058 PB EHZ -- A 12.5 310  97  PD     2.58  2.48  2.51 0.00 -0.03  2.00  W  0.999 0.00 27.0   2.24 E                        
 CMP  PN SHZ 07 A 71.2  11  91  PD 3  11.99 11.89 12.05 0.00 -0.16  0.50  W  0.999 0.00 60.0   3.22 E                        
 ADUB1PN SHZ 01 A 73.2 323  91  PU 3  13.20 13.10 12.38 0.00  0.72* 0.50  W  0.999 0.00 28.0   2.48 E                        
 B073 PB EHZ -- A124.9 133  90  PU 2  20.88 20.78 20.77 0.00  0.01  1.00  W  0.999 0.00 1.00 4                               

Event Files: July 2018