Earthquake 20170418-1

2017-04-18 01:48:44.140 123.2 km 4.9 Mb
21.8815°S, 68.5829°W
271 km NE of Antofagasta, Chile
Time Error: 1.82 s Depth Error: 15.3 km
Num. Stations: 11 Time RMS: 0.90 s
Num. Phases: 11 Azimuth Gap: 129°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
5.0 Mb 4 1.0 NCMS System-search
4.7 Md 1 1.0 NCMS System-search
3.9 ML 1 1.0 NCMS System-search
Emblem-favorite 4.9 Mb NCMS System-search

Origin Details

Ellipse Major:21.50 km Min. Distance:0.79° Fixed Depth:no
Ellipse Minor:8.00 km Max. Distance:151.95° Fixed Phase:no
Ellipse Strike:68.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@23111 External Origin ID:HYDRA_RED@97234

Error Ellipse

Azimuth Dip Magnitude Action
Max 248° 20° 53.6 km System-search
Intermediate 147° 27° 20.3 km System-search
Min 54° 13.1 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.LVC.00.BH2 2017-04-18 01:49:08.259 2e+05 0.70 s 3.9 ML 0.79° 202.6° System-search
IU.LVC.00.BH1 2017-04-18 01:49:10.910 1e+05 0.70 s 3.7 ML 0.79° 202.6° System-search
GT.PLCA.00.BHZ 2017-04-18 01:52:56.150 2e+03 0.85 s 4.7 Mb 18.87° 184.0° System-search
IU.OTAV.00.BHZ 2017-04-18 01:53:49.259 1e+03 1.20 s 4.8 Mb 24.02° 335.0° System-search
CU.TGUH.00.BHZ 2017-04-18 01:56:09.349 561.0 0.85 s 5.1 Mb 40.19° 331.0° System-search
IU.LVC.00.BHZ 2017-04-18 01:56:15.259 430.3 s 4.7 Md 0.79° 202.6° System-search
IU.TSUM.10.BHZ 2017-04-18 02:00:37.940 7e+03 0.90 s 5.1 Mb 79.68° 106.0° System-search
II.FFC.00.BHZ 2017-04-18 02:00:46.609 394.5 1.20 s 4.7 Mb 81.53° 341.0° System-search
IU.LSZ.00.BHZ 2017-04-18 02:01:33.359 1e+03 2.10 s 5.5 Mb 90.55° 106.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.LVC.00.BHZ Pn 2017-04-18 01:49:05.009 0 s c 0.79° 202.0° yes Time System-search
GT.PLCA.00.BHZ Pn 2017-04-18 01:52:56.150 -0.60 s c 18.87° 184.0° yes Time System-search
IU.OTAV.00.BHZ P 2017-04-18 01:53:49.259 -0.60 s c 24.02° 335.0° yes Time System-search
CU.TGUH.00.BHZ P 2017-04-18 01:56:09.349 1.20 s c 40.19° 331.0° yes Time System-search
IU.TSUM.10.BHZ P 2017-04-18 02:00:37.940 -0.70 s c 79.68° 106.0° yes Time System-search
II.FFC.00.BHZ P 2017-04-18 02:00:46.609 -0.70 s c 81.53° 341.0° yes Time System-search
IU.LSZ.00.BHZ P 2017-04-18 02:01:33.359 0.50 s c 90.55° 106.0° yes Time System-search
II.BRVK.00.BHZ PKPdf 2017-04-18 02:07:50.609 0.50 s c 135.86° 34.0° yes Time System-search
II.AAK.00.BHZ PKPdf 2017-04-18 02:08:00.309 -3.20 s c 142.98° 47.0° yes Time System-search
IU.MAKZ.00.BHZ PKPdf 2017-04-18 02:08:07.789 0 s c 145.57° 36.0° yes Time System-search
II.KAPI.00.BHZ PKPdf 2017-04-18 02:08:25.109 5.90 s c 151.95° 197.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170418-1

Time: 2017-04-18 01:48:44.140
Position:21.8815°S, 68.5829°W
Place:
Major Place:271 km NE of Antofagasta, Chile
Depth:123.2 km
Magnitude:4.9 Mb