Earthquake 20170428-14

Earthquake 20170428-14
2017-04-28 16:13:56.300 228.40 km 5.20 Mb
24.8873°S, 1.8658°W
South Atlantic Ocean
1074 km SE of Jamestown, Saint Helena
Time Error: 1.95 s Num. Stations: 14
Time RMS: 0.96 s Num. Phases: 14
Depth Error: 33.90 km Max. Intensity (MMI):
Azimuth Gap: 181° Effects Type:
Analysis Type: Manual
 
MANUALLY REVISED LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 5.20 Mb 6 1.0 NCMS Action show
 
Origin Details
Ellipse Major: 22.40 km Fixed Depth: no
Ellipse Minor: 10.00 km Fixed Phase: no
Ellipse Strike: 173.0° Fixed Time: no
Min. Distance: 9.60° Author: NCMS
Max. Distance: 75.57° Event Type: Earthquake
Fixed Location: no External Event ID: HYDRA_RED@23423
Location Method: Inversion External Origin ID: HYDRA_RED@98709
 
Error Ellipse
Length Azimuth Dip Action
Maximum 69.00 km 350.00° 44.00° Action show
Intermediate 28.20 km 220.00° 33.00° Action show
Minimum 19.80 km 110.00° 26.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.TSUM.10.BHZ 2017-04-28 16:18:00.240 4.2e+04 1.10 s 5.60 Mb 18.90° 76.0° Action show
IU.LVC.00.BHZ 2017-04-28 16:23:45.410 1992.5 0.90 s 5.30 Mb 60.86° 257.0° Action show
DN.FAQ.--.HHZ 2017-04-28 16:25:10.799 512.5 2.06 s 5.90 Mb 74.40° 52.0° Action show
DN.NAZ.--.HHZ 2017-04-28 16:25:10.880 187.0 1.14 s 4.80 Mb 74.60° 52.0° Action show
OM.ASH.--.HHZ 2017-04-28 16:25:10.960 139.5 1.36 s 4.70 Mb 74.71° 53.0° Action show
II.UOSS.10.BHZ 2017-04-28 16:25:11.069 2121.5 2.65 s 5.30 Mb 74.97° 52.0° Action show
OM.MDH.--.HHZ 2017-04-28 16:25:11.180 633.5 2.90 s 5.30 Mb 75.25° 52.0° Action show
DN.HAT.--.HHZ 2017-04-28 16:25:11.359 220.0 1.70 s 4.90 Mb 74.84° 52.0° Action show
OM.SOH.--.HHZ 2017-04-28 16:25:11.549 161.0 0.98 s 4.70 Mb 74.72° 53.0° Action show
AE.MSF.--.HHZ 2017-04-28 16:25:11.940 1249.5 1.84 s 5.60 Mb 75.19° 52.0° Action show
AE.SHM.--.HHZ 2017-04-28 16:25:12.380 560.0 1.12 s 5.30 Mb 75.57° 51.0° Action show
OM.BID.--.HHZ 2017-04-28 16:25:15.059 577.0 1.34 s 5.30 Mb 75.54° 55.0° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
II.SHEL.00.BHZ Pn 2017-04-28 16:16:10.130 0 s 9.60° 337.0° no Time Action show
IU.TSUM.10.BHZ P 2017-04-28 16:18:00.240 0.10 s Compression 18.90° 76.0° yes Time Action show
IU.LVC.00.BHZ P 2017-04-28 16:23:45.410 0 s Compression 60.86° 257.0° yes Time Action show
DN.FAQ.--.HHZ P 2017-04-28 16:25:10.799 1.70 s Compression 74.40° 52.0° yes Time Action show
AE.ALN.--.HHZ P 2017-04-28 16:25:10.880 3.50 s 74.11° 53.0° no Time Action show
DN.NAZ.--.HHZ P 2017-04-28 16:25:10.880 0.70 s 74.60° 52.0° no Time Action show
OM.ASH.--.HHZ P 2017-04-28 16:25:10.960 0.10 s 74.71° 53.0° no Time Action show
II.UOSS.10.BHZ P 2017-04-28 16:25:11.069 -1.20 s 74.97° 52.0° no Time Action show
OM.MDH.--.HHZ P 2017-04-28 16:25:11.180 -2.70 s 75.25° 52.0° no Time Action show
DN.HAT.--.HHZ P 2017-04-28 16:25:11.359 -0.30 s 74.84° 52.0° no Time Action show
OM.SOH.--.HHZ P 2017-04-28 16:25:11.549 0.60 s Compression 74.72° 53.0° yes Time Action show
AE.MSF.--.HHZ P 2017-04-28 16:25:11.940 -1.70 s 75.19° 52.0° no Time Action show
AE.SHM.--.HHZ P 2017-04-28 16:25:12.380 -3.30 s 75.57° 51.0° no Time Action show
OM.BID.--.HHZ P 2017-04-28 16:25:15.059 -0.50 s 75.54° 55.0° no Time Action show

Ground Motion

None

Shake Maps

None