Event Number 1577

M3.0 m E of Danville, CA at 2018/04/29 22:25:12 UTC / 2018/04/29 22:25:12 PDT

Error Map and Stations Used to Locate Event

Errors from USGS Location and Magnitude:

EQPROC = 87.3km (54.3mi)
HYPO2K = 13.1km (8.1 mi) Magnitude = -0.3

USGS Report:

Date       Time       Lat    Lon      Mag    Depth                Location   
-----------------------------------------------------------------------------------
2018/04/29 22:25:12  37.823 -121.979  M3.0   7.9 2km E of Danville, CA

EQPROC Summary:

1577 2018Apr29 2225  1.98  38.6089 -121.9327  8.00 0.22 85.4146.0 298  7
MTUMZ SHZ PN 01 2018Apr29 2225 26.83 P ?1 161.8  -0.01
ADUB1 SHZ PN 01 2018Apr29 2225 25.23 P U0 151.3  -0.28
CMP   SHZ PN 07 2018Apr29 2225 26.84 P U3 149.2   1.60
ATZ   SHZ PN 01 2018Apr29 2225 30.13 P ?0 181.2   0.82
B054  EHZ PB -- 2018Apr29 2225 16.90 P U0  86.5  -0.01
B057  EHZ PB -- 2018Apr29 2225 22.62 S U1  85.4  -4.77
B058  EHZ PB -- 2018Apr29 2225 33.49 PgU3 203.4  -0.49

HYPO2K Report:

 YEAR MO DA  --ORIGIN--  --LAT N-  --LON W--  DEPTH-M RMS   ERH   ERZ  XMAG1 FMAG1 PMAG GEOID-DEP
 2018-04-29  2225 12.29  37 56.15  121W56.10   7.97  0.05  7.79  9.02        3.31  3.31E    7.92
                                                                                          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  24.7  Emb  286   7   4   4   0   6      -                          4  0.35 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
                                                     3.31      4  0.35 E     58  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 24.7 251 104  PU    16.90  4.61  4.61 0.00  0.00  1.07  W  1.000 0.00 39.0   2.67 E                        
 ADUB1PN SHZ 01 A 76.5 183  94  PU    25.23 12.94 12.95 0.00 -0.01  1.07  W  1.000 0.00 69.0   3.36 E                        
 CMP  PN SHZ 07 A 84.1 139  94  PU 3  26.84 14.55 14.18 0.00  0.37  0.00  W  0.000 0.00 62.0   3.26 E                        
 MTUMZPN SHZ 01 A 86.9 177  94  P  1  26.83 14.54 14.63 0.00 -0.09  0.80  W  1.000 0.00 21.0 4 2.22XE                        
 ATZ  PN SHZ 01 A106.3 178  93  P     30.13 17.84 17.78 0.00  0.06  1.07  W  1.000 0.00  143   4.09 E                        
 B058 PB EHZ -- A130.0 165  92  PU 3  33.49 21.20 21.62 0.00 -0.42  0.00  W  0.000 0.00 1.00 4                               

Event Files: April 2018