Event Number 1705

M2.3 m SE of Concord, CA at 2019/03/27 03:29:27 UTC / 2019/03/27 03:29:27 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 6.1km (3.8 mi)
HYPO2K = 4.6km (2.9 mi) Magnitude = 0.1

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2019/03/27 03:29:27  37.952 -121.997  M2.3  13.5 2km SE of Concord, CA

EQPROC Summary:

1705 2019Mar27  329 27.24  38.0065 -121.9869  4.00 0.04 24.8 63.9 263  4
ADUB1 SHZ PN 01 2019Mar27  329 42.24 P D0  84.4   0.06
MTUMZ SHZ PN 01 2019Mar27  329 43.48 P U2  95.1  -0.30
B054  EHZ PB -- 2019Mar27  329 32.09 P U0  24.8  -0.00
B057  EHZ PB -- 2019Mar27  329 36.52 P U1  51.1  -0.03

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2019-03-27  0329 28.36  37 58.93  122W 1.87   3.81  0.15  3.05 14.90        2.22  2.22E    3.77
                                                                                          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  20.1  Emb  255   8   4   4   0   4      -                          3  0.08 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
                                                     2.22      3  0.08 E     39  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
 B054 PB EHZ -- A 20.1 228  95  PU    32.09  3.73  3.74 0.00 -0.01  1.23  W  0.999 0.00 25.0   2.22 E                        
 B057 PB EHZ -- A 47.2 277  92  PU 1  36.52  8.16  8.15 0.00  0.01  0.92  W  1.000 0.00 17.0   1.97 E                        
 ADUB1PN SHZ 01 A 81.7 176  91  PD    42.24 13.88 13.76 0.00  0.12  1.23  W  0.999 0.00 23.0   2.30 E                        
 MTUMZPN SHZ 01 A 92.8 172  91  PU 2  43.48 15.12 15.57 0.00 -0.45  0.62  W  1.000 0.00 3.00 4 0.35XE                        

Event Files: March 2019