Earthquake 20170228-14

2017-02-28 19:08:33.270 8.9 km 5.2 Mb
0.9588°S, 127.4394°E
1213 km SW of Koror, Palau Islands
Time Error: 2.01 s Depth Error: 85.3 km
Num. Stations: 17 Time RMS: 0.99 s
Num. Phases: 17 Azimuth Gap: 221°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.2 Mb 8 1.0 NCMS System-search
3.7 mblg 2 1.0 NCMS System-search
4.2 Ms 11 1.0 NCMS System-search

Origin Details

Ellipse Major:44.80 km Min. Distance:8.67° Fixed Depth:no
Ellipse Minor:14.60 km Max. Distance:76.37° Fixed Phase:no
Ellipse Strike:142.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@21464 External Origin ID:HYDRA_RED@89367

Error Ellipse

Azimuth Dip Magnitude Action
Max 154° 56° 147.9 km System-search
Intermediate 305° 29° 80.1 km System-search
Min 43° 13° 22.1 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.KAPI.00.BHZ 2017-02-28 19:12:58.253 473.5 0.95 s 3.2 mblg 8.67° 242.2° System-search
IU.DAV.00.BHZ 2017-02-28 19:13:02.641 4e+03 1.02 s 4.3 mblg 8.19° 346.9° System-search
IU.PET.00.BHZ 2017-02-28 19:18:38.619 2e+03 1.20 s 5.7 Mb 59.80° 21.0° System-search
II.NIL.00.BHZ 2017-02-28 19:18:50.359 149.5 0.90 s 5.1 Mb 61.42° 309.0° System-search
IU.MAKZ.00.BHZ 2017-02-28 19:18:53.890 304.0 0.70 s 5.2 Mb 62.02° 326.0° System-search
II.AAK.00.BHZ 2017-02-28 19:19:09.910 304.5 1.10 s 5.4 Mb 64.35° 319.0° System-search
IU.KBL.--.BHZ 2017-02-28 19:19:13.940 209.0 0.85 s 5.1 Mb 65.01° 309.0° System-search
II.KURK.00.BHZ 2017-02-28 19:19:19.759 1e+03 0.70 s 5.6 Mb 66.09° 328.0° System-search
II.BRVK.00.BHZ 2017-02-28 19:19:54.660 383.0 0.90 s 5.1 Mb 71.71° 327.0° System-search
OM.BID.--.HHZ 2017-02-28 19:19:57.369 399.0 0.84 s 5.5 Mb 71.55° 295.0° System-search
OM.SOH.--.HHZ 2017-02-28 19:20:05.569 51.5 0.78 s 4.6 Mb 73.08° 295.0° System-search
II.UOSS.10.BHZ 2017-02-28 19:20:07.700 154.5 1.00 s 4.5 Mb 73.51° 296.0° System-search
OM.MDH.--.HHZ 2017-02-28 19:20:07.849 36.0 0.76 s 4.4 Mb 73.48° 296.0° System-search
OM.ASH.--.HHZ 2017-02-28 19:20:08.009 43.5 0.90 s 4.5 Mb 73.60° 295.0° System-search
AE.ALN.--.HHZ 2017-02-28 19:20:08.039 279.5 0.80 s 5.3 Mb 73.78° 295.0° System-search
UE.UMZA.--.HHZ 2017-02-28 19:20:08.390 58.0 0.80 s 5.0 Mb 74.13° 293.0° System-search
AE.MZR.--.HHZ 2017-02-28 19:20:18.670 190.5 0.70 s 5.1 Mb 75.70° 293.0° System-search
UE.GHWR.--.HHZ 2017-02-28 19:20:22.880 169.0 0.90 s 5.5 Mb 76.37° 294.0° System-search
IN.MNC.--.HHZ 2017-02-28 19:41:42.420 67.0 19.23 s 4.6 Ms 54.97° 280.7° System-search
AE.SRB.--.HHZ 2017-02-28 19:42:37.750 57.5 20.99 s 4.3 Ms 75.25° 296.3° System-search
OM.BID.--.HHZ 2017-02-28 19:44:10.259 116.5 20.84 s 4.5 Ms 71.48° 295.1° System-search
II.NIL.00.BHZ 2017-02-28 19:46:00.849 63.5 19.75 s 4.1 Ms 61.38° 309.6° System-search
QA.ABUH.--.HHZ 2017-02-28 19:46:45.970 25.0 20.43 s 1.3 Ms 77.69° 295.9° System-search
II.UOSS.10.BHZ 2017-02-28 19:47:18.700 72.5 20.20 s 3.7 Ms 73.44° 296.3° System-search
AE.MSF.--.HHZ 2017-02-28 19:47:20.650 69.0 19.69 s 4.3 Ms 73.55° 296.7° System-search
OM.MDH.--.HHZ 2017-02-28 19:49:13.799 12.0 18.03 s 3.5 Ms 73.41° 296.6° System-search
UE.SLWR.--.HHZ 2017-02-28 19:49:28.730 26.0 18.73 s 4.3 Ms 77.39° 294.8° System-search
AE.UMQ.--.HHZ 2017-02-28 19:49:35.779 68.5 20.74 s 4.3 Ms 74.02° 296.8° System-search
UE.MZWR.--.HHZ 2017-02-28 19:49:51.619 27.5 20.44 s 4.3 Ms 75.37° 294.7° System-search
OM.SOH.--.HHZ 2017-02-28 19:50:24.079 17.0 20.40 s 3.7 Ms 73.02° 295.5° System-search
IU.MAKZ.00.BHZ 2017-02-28 19:50:53.549 55.0 21.45 s 3.8 Ms 61.99° 326.3° System-search
BH.SAK.--.HHZ 2017-02-28 19:53:09.059 38.5 21.26 s 4.2 Ms 78.66° 296.6° System-search
IU.ANTO.00.BHZ 2017-02-28 20:01:26.250 70.0 19.77 s 4.1 Ms 94.18° 309.7° System-search
GO.AKH.--.HHZ 2017-02-28 20:05:54.829 89.5 18.39 s 4.2 Ms 86.08° 311.4° System-search
CU.TGUH.00.BHZ 2017-02-28 20:33:33.779 125.0 20.60 s 4.8 Ms 143.29° 67.6° System-search
IU.OTAV.00.BHZ 2017-02-28 20:52:22.980 122.5 19.65 s 4.6 Ms 154.10° 91.4° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.KAPI.00.BHZ Pn 2017-02-28 19:10:38.960 -0.30 s 8.68° 242.0° no Time System-search
IU.PET.00.BHZ P 2017-02-28 19:18:38.619 -0.30 s 59.80° 21.0° no Time System-search
II.NIL.00.BHZ P 2017-02-28 19:18:50.359 0.10 s c 61.42° 309.0° yes Time System-search
IU.MAKZ.00.BHZ P 2017-02-28 19:18:53.890 -0.20 s c 62.02° 326.0° yes Time System-search
II.AAK.00.BHZ P 2017-02-28 19:19:09.910 0 s c 64.35° 319.0° yes Time System-search
IU.KBL.--.BHZ P 2017-02-28 19:19:13.940 -0.40 s c 65.01° 309.0° yes Time System-search
II.KURK.00.BHZ P 2017-02-28 19:19:19.759 -1.00 s c 66.09° 328.0° yes Time System-search
II.BRVK.00.BHZ P 2017-02-28 19:19:54.660 -1.20 s c 71.71° 327.0° yes Time System-search
OM.BID.--.HHZ P 2017-02-28 19:19:57.369 2.20 s 71.55° 295.0° no Time System-search
OM.SOH.--.HHZ P 2017-02-28 19:20:05.569 1.20 s 73.08° 295.0° no Time System-search
II.UOSS.10.BHZ P 2017-02-28 19:20:07.700 0.90 s 73.51° 296.0° no Time System-search
OM.MDH.--.HHZ P 2017-02-28 19:20:07.849 1.20 s 73.48° 296.0° no Time System-search
OM.ASH.--.HHZ P 2017-02-28 19:20:08.009 0.60 s 73.60° 295.0° no Time System-search
AE.ALN.--.HHZ P 2017-02-28 19:20:08.039 -0.40 s c 73.78° 295.0° yes Time System-search
UE.UMZA.--.HHZ P 2017-02-28 19:20:08.390 -2.10 s c 74.13° 293.0° yes Time System-search
AE.MZR.--.HHZ P 2017-02-28 19:20:18.670 -0.90 s 75.70° 293.0° no Time System-search
UE.GHWR.--.HHZ P 2017-02-28 19:20:22.880 -0.50 s 76.37° 294.0° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170228-14

Time: 2017-02-28 19:08:33.270
Position:0.9588°S, 127.4394°E
Place:
Major Place:1213 km SW of Koror, Palau Islands
Depth:8.9 km
Magnitude:5.2 Mb