Earthquake 20170329-16

2017-03-29 22:56:50.980 33.0 km 4.8 Mb
22.8465°S, 12.4647°W
South Atlantic Ocean
1044 km SW of Jamestown, Saint Helena
Time Error: 0.49 s Depth Error:
Num. Stations: 12 Time RMS: 0.24 s
Num. Phases: 12 Azimuth Gap: 159°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 4.8 Mb 6 1.0 NCMS System-search
3.8 mblg 1 1.0 NCMS System-search
4.6 Ms 17 1.0 NCMS System-search

Origin Details

Ellipse Major:28.00 km Min. Distance:28.26° Fixed Depth:yes
Ellipse Minor:11.60 km Max. Distance:82.30° Fixed Phase:no
Ellipse Strike:151.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Unknown
External Event ID:HYDRA_RED@22267 External Origin ID:HYDRA_RED@93551

Error Ellipse

Azimuth Dip Magnitude Action
Max 151° 56.0 km System-search
Intermediate 61° 23.1 km System-search
Min 0 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.SHEL.00.BHZ 2017-03-29 23:01:25.073 2e+03 1.25 s 3.8 mblg 9.33° 44.0° System-search
IU.TSUM.10.BHZ 2017-03-29 23:02:41.509 5e+03 1.05 s 4.9 Mb 28.28° 88.0° System-search
GT.PLCA.00.BHZ 2017-03-29 23:05:54.099 2e+03 2.95 s 5.3 Mb 51.58° 235.0° System-search
IU.ANTO.00.BHZ 2017-03-29 23:08:31.880 232.5 1.30 s 4.8 Mb 75.38° 34.0° System-search
AE.MZR.--.HHZ 2017-03-29 23:08:49.900 237.5 1.48 s 5.2 Mb 78.74° 59.0° System-search
UE.UMZA.--.HHZ 2017-03-29 23:08:56.259 46.0 0.92 s 4.8 Mb 79.94° 60.0° System-search
AE.ALN.--.HHZ 2017-03-29 23:09:03.700 75.0 0.98 s 4.7 Mb 81.08° 59.0° System-search
DN.NAZ.--.HHZ 2017-03-29 23:09:05.019 63.5 1.16 s 4.6 Mb 81.47° 58.0° System-search
OM.ASH.--.HHZ 2017-03-29 23:09:05.609 162.0 2.42 s 5.0 Mb 81.63° 58.0° System-search
OM.SOH.--.HHZ 2017-03-29 23:09:06.109 68.5 1.52 s 4.7 Mb 81.73° 59.0° System-search
DN.HAT.--.HHZ 2017-03-29 23:09:06.470 57.0 1.14 s 4.6 Mb 81.76° 58.0° System-search
II.UOSS.10.BHZ 2017-03-29 23:09:07.119 234.0 1.20 s 4.6 Mb 81.87° 58.0° System-search
IU.GNI.00.BHZ 2017-03-29 23:09:08.900 804.0 1.30 s 5.2 Mb 82.30° 40.0° System-search
IU.TSUM.10.BHZ 2017-03-29 23:11:51.954 1e+04 19.90 s 4.4 Ms 28.26° 88.3° System-search
II.SACV.00.BHZ 2017-03-29 23:17:35.680 0.50 20.10 s 1.3 Ms 39.14° 342.8° System-search
IU.LVC.00.BHZ 2017-03-29 23:22:34.529 530.0 20.20 s 4.4 Ms 51.78° 258.5° System-search
GT.PLCA.00.BHZ 2017-03-29 23:24:09.180 2e+03 20.67 s 4.7 Ms 51.57° 235.4° System-search
IU.KMBO.00.BHZ 2017-03-29 23:26:05.829 687.5 18.35 s 4.6 Ms 52.85° 73.2° System-search
II.NNA.00.BHZ 2017-03-29 23:29:54.329 1e+03 19.95 s 4.8 Ms 61.97° 268.2° System-search
CU.MTDJ.00.BHZ 2017-03-29 23:34:04.555 178.0 18.67 s 4.5 Ms 75.55° 297.0° System-search
IU.OTAV.00.BHZ 2017-03-29 23:38:46.730 711.0 18.80 s 4.8 Ms 68.05° 279.9° System-search
UE.GHWR.--.HHZ 2017-03-29 23:39:21.079 104.0 18.13 s 4.9 Ms 78.69° 58.1° System-search
OM.ASH.--.HHZ 2017-03-29 23:39:49.519 59.0 20.44 s 4.3 Ms 81.55° 59.0° System-search
IU.PAYG.00.BHZ 2017-03-29 23:40:44.730 1e+03 18.20 s 5.2 Ms 78.52° 274.0° System-search
UE.UMZA.--.HHZ 2017-03-29 23:41:36.380 96.5 20.38 s 4.8 Ms 79.86° 60.3° System-search
AE.SRB.--.HHZ 2017-03-29 23:42:00.079 199.5 18.19 s 4.9 Ms 80.39° 57.6° System-search
IU.ANTO.00.BHZ 2017-03-29 23:42:02.230 92.0 20.50 s 4.0 Ms 75.33° 34.5° System-search
OM.SOH.--.HHZ 2017-03-29 23:42:53.769 79.0 20.42 s 4.4 Ms 81.66° 59.6° System-search
OM.BID.--.HHZ 2017-03-29 23:42:58.410 216.5 18.45 s 4.8 Ms 82.64° 60.9° System-search
DN.HAT.--.HHZ 2017-03-29 23:43:00.319 80.0 19.63 s 4.4 Ms 81.68° 58.9° System-search
II.UOSS.10.BHZ 2017-03-29 23:43:11.230 340.0 19.58 s 4.5 Ms 81.80° 58.8° System-search
CU.TGUH.00.BHZ 2017-03-29 23:43:35.380 307.0 20.92 s 4.8 Ms 81.87° 288.8° System-search
AE.ALN.--.HHZ 2017-03-29 23:43:52.170 219.5 20.24 s 4.8 Ms 81.00° 59.4° System-search
UE.MZWR.--.HHZ 2017-03-29 23:43:54.990 96.0 19.27 s 4.8 Ms 79.37° 58.7° System-search
AE.UMQ.--.HHZ 2017-03-29 23:44:43.200 105.5 18.76 s 4.5 Ms 81.66° 58.0° System-search
AE.SHM.--.HHZ 2017-03-29 23:44:44.789 180.5 20.78 s 4.8 Ms 82.26° 57.7° System-search
IU.GNI.00.BHZ 2017-03-29 23:44:45.779 288.0 19.80 s 4.4 Ms 82.24° 40.6° System-search
DN.FAQ.--.HHZ 2017-03-29 23:44:48.450 71.0 18.68 s 5.0 Ms 81.22° 58.7° System-search
DN.ASU.--.HHZ 2017-03-29 23:44:55.140 80.5 18.48 s 5.0 Ms 80.95° 58.7° System-search
BH.SAK.--.HHZ 2017-03-29 23:45:20.140 46.5 19.30 s 4.2 Ms 77.95° 55.2° System-search
DN.NAZ.--.HHZ 2017-03-29 23:45:29.069 96.0 18.68 s 4.5 Ms 81.39° 58.5° System-search
AE.MSF.--.HHZ 2017-03-29 23:45:38.359 200.0 19.98 s 4.8 Ms 81.97° 58.4° System-search
OM.MDH.--.HHZ 2017-03-29 23:45:52.740 47.0 18.65 s 4.2 Ms 82.05° 58.5° System-search
GO.AKH.--.HHZ 2017-03-29 23:49:10.579 122.0 20.38 s 4.3 Ms 82.30° 39.0° System-search
OM.BAN.--.HHZ 2017-03-29 23:50:53.279 8.5 19.66 s 3.4 Ms 82.35° 58.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.TSUM.10.BHZ P 2017-03-29 23:02:41.509 0 s c 28.28° 88.0° yes Time System-search
GT.PLCA.00.BHZ P 2017-03-29 23:05:54.099 0 s 51.58° 235.0° no Time System-search
IU.ANTO.00.BHZ P 2017-03-29 23:08:31.880 0.80 s 75.38° 34.0° no Time System-search
AE.MZR.--.HHZ P 2017-03-29 23:08:49.900 -0.20 s 78.74° 59.0° no Time System-search
UE.UMZA.--.HHZ P 2017-03-29 23:08:56.259 -0.40 s 79.94° 60.0° no Time System-search
AE.ALN.--.HHZ P 2017-03-29 23:09:03.700 0.90 s c 81.08° 59.0° yes Time System-search
DN.NAZ.--.HHZ P 2017-03-29 23:09:05.019 0.20 s 81.47° 58.0° no Time System-search
OM.ASH.--.HHZ P 2017-03-29 23:09:05.609 -0.10 s 81.63° 58.0° no Time System-search
OM.SOH.--.HHZ P 2017-03-29 23:09:06.109 -0.10 s 81.73° 59.0° no Time System-search
DN.HAT.--.HHZ P 2017-03-29 23:09:06.470 0.10 s 81.76° 58.0° no Time System-search
II.UOSS.10.BHZ P 2017-03-29 23:09:07.119 0.20 s 81.87° 58.0° no Time System-search
IU.GNI.00.BHZ P 2017-03-29 23:09:08.900 -0.20 s 82.30° 40.0° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170329-16

Time: 2017-03-29 22:56:50.980
Position:22.8465°S, 12.4647°W
Place:South Atlantic Ocean
Major Place:1044 km SW of Jamestown, Saint Helena
Depth:33.0 km
Magnitude:4.8 Mb