Earthquake 20170224-11

2017-02-24 17:28:45.130 427.4 km 6.8 MT
23.4417°S, 178.8528°W
South Pacfic Ocean
451 km SW of Nuku?alofa, Tonga
Time Error: 1.82 s Depth Error: 10.2 km
Num. Stations: 64 Time RMS: 0.90 s
Num. Phases: 64 Azimuth Gap: 54°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
6.1 Mb 9 1.0 NCMS System-search
6.8 Mwb 11 1.0 NCMS System-search
Emblem-favorite 6.8 MT NCMS System-search

Origin Details

Ellipse Major:7.00 km Min. Distance:5.84° Fixed Depth:no
Ellipse Minor:5.70 km Max. Distance:154.42° Fixed Phase:no
Ellipse Strike:91.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Known Earthquake
External Event ID:HYDRA_RED@21339 External Origin ID:HYDRA_RED@88644

Error Ellipse

Azimuth Dip Magnitude Action
Max 256° 33° 16.5 km System-search
Intermediate 124° 45° 15.9 km System-search
Min 25° 12.6 km System-search
Type Traces % DC Misfit/Var. Red. Centroid Best Double Couple Moment Tensor Action
M0 Plane Strike Dip Rake Mrr Mrt Mrp Mtt Mtp Mpp
Ffffffff MT 11 70% 0.57 18.0 km 2e+19 nt-m NP1
NP2
270.0
1.0
73.0
85.0
175.0
17.0
4.19e+18 -2.82e+17 5.73e+18 -2.4e+18 -2.08e+19 -1.79e+18 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.POHA.00.BHZ 2017-02-24 17:36:48.099 1e+04 1.00 s 5.9 Mb 48.64° 29.0° System-search
IU.MIDW.00.BHZ 2017-02-24 17:37:09.380 2e+05 1.85 s 6.1 Mb 51.42° 1.0° System-search
IU.NWAO.00.BHZ 2017-02-24 17:37:45.059 2e+04 1.50 s 6.1 Mb 56.39° 245.0° System-search
II.KAPI.00.BHZ 2017-02-24 17:38:21.809 5e+04 1.80 s 6.7 Mb 61.86° 277.0° System-search
IU.DAV.00.BHZ 2017-02-24 17:38:24.089 5e+04 0.70 s 6.8 Mb 62.22° 292.0° System-search
II.RPN.00.BHZ 2017-02-24 17:38:25.400 6e+04 1.20 s 6.5 Mb 62.26° 109.0° System-search
II.ERM.00.BHZ 2017-02-24 17:39:36.559 1e+04 1.00 s 6.0 Mb 74.05° 331.0° System-search
IU.ADK.00.BHZ 2017-02-24 17:39:39.940 3e+04 1.50 s 6.5 Mb 75.06° 1.0° System-search
IU.PET.00.BHZ 2017-02-24 17:40:00.089 2e+04 2.30 s 6.3 Mb 78.66° 346.0° System-search
IU.COR.00.BHZ 2017-02-24 17:40:32.990 1e+04 0.90 s 6.0 Mb 84.63° 36.0° System-search
GT.PLCA.00.BHZ 2017-02-24 17:40:50.470 1e+04 1.40 s 6.0 Mb 87.79° 133.0° System-search
IU.PAYG.00.BHZ 2017-02-24 17:40:54.109 9e+03 1.40 s 6.2 Mb 88.49° 90.0° System-search
IU.COLA.00.BHZ 2017-02-24 17:41:01.859 7e+03 1.60 s 6.1 Mb 91.26° 12.0° System-search
IU.LVC.00.BHZ 2017-02-24 17:41:35.410 2e+03 1.30 s 5.9 Mb 97.96° 118.0° System-search
IU.OTAV.00.BHZ 2017-02-24 17:41:40.190 597.5 1.00 s 5.5 Mb 99.72° 93.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.RAO.00.BHZ P 2017-02-24 17:30:16.410 -0.70 s c 5.84° 172.0° yes Time System-search
II.MSVF.00.BHZ P 2017-02-24 17:30:22.609 0 s c 6.37° 332.0° yes Time System-search
IU.SNZO.10.HHZ P 2017-02-24 17:32:34.380 -0.50 s c 18.62° 195.0° yes Time System-search
II.TAU.00.BHZ P 2017-02-24 17:34:52.210 0.90 s c 34.02° 226.0° yes Time System-search
IU.POHA.00.BHZ P 2017-02-24 17:36:48.099 -0.20 s 48.64° 29.0° no Time System-search
IU.MIDW.00.BHZ P 2017-02-24 17:37:09.380 0.80 s 51.42° 1.0° no Time System-search
IU.NWAO.00.BHZ P 2017-02-24 17:37:45.059 0.70 s c 56.39° 245.0° yes Time System-search
II.KAPI.00.BHZ P 2017-02-24 17:38:21.809 0.40 s c 61.86° 277.0° yes Time System-search
IU.DAV.00.BHZ P 2017-02-24 17:38:24.089 0.50 s 62.22° 292.0° no Time System-search
II.RPN.00.BHZ P 2017-02-24 17:38:25.400 1.50 s 62.26° 109.0° no Time System-search
II.ERM.00.BHZ P 2017-02-24 17:39:36.559 1.00 s c 74.05° 331.0° yes Time System-search
IU.ADK.00.BHZ P 2017-02-24 17:39:39.940 -1.20 s 75.06° 1.0° no Time System-search
IU.PET.00.BHZ P 2017-02-24 17:40:00.089 -0.80 s c 78.66° 346.0° yes Time System-search
IU.COR.00.BHZ P 2017-02-24 17:40:32.990 1.10 s 84.63° 36.0° no Time System-search
GT.PLCA.00.BHZ P 2017-02-24 17:40:50.470 2.60 s c 87.79° 133.0° yes Time System-search
IU.PAYG.00.BHZ P 2017-02-24 17:40:54.109 3.10 s 88.49° 90.0° no Time System-search
IU.COLA.00.BHZ P 2017-02-24 17:41:01.859 -0.90 s c 91.26° 12.0° yes Time System-search
IU.LVC.00.BHZ P 2017-02-24 17:41:35.410 0.50 s 97.96° 118.0° no Time System-search
IU.OTAV.00.BHZ Pdif 2017-02-24 17:41:40.190 -2.50 s 99.72° 93.0° no Time System-search
II.FFC.00.BHZ Pdif 2017-02-24 17:41:53.000 3.50 s 101.65° 35.0° no Time System-search
II.PALK.00.BHZ Pdif 2017-02-24 17:41:55.319 0.80 s 102.51° 272.0° no Time System-search
IN.MNC.--.HHZ PKiKP 2017-02-24 17:46:28.450 1.20 s 109.90° 270.0° no Time System-search
IU.MAKZ.00.BHZ PKiKP 2017-02-24 17:46:30.869 -1.30 s 112.89° 312.0° no Time System-search
II.KURK.00.BHZ PKPdf 2017-02-24 17:46:36.450 -0.80 s 115.64° 316.0° no Time System-search
II.NIL.00.BHZ PKPdf 2017-02-24 17:46:39.069 -1.40 s 117.05° 297.0° no Time System-search
II.AAK.00.BHZ PKPdf 2017-02-24 17:46:41.210 -0.20 s c 117.53° 307.0° yes Time System-search
II.BRVK.00.BHZ PKPdf 2017-02-24 17:46:46.660 -0.70 s c 120.88° 318.0° yes Time System-search
OM.BID.--.HHZ PKPdf 2017-02-24 17:47:02.140 0.10 s 128.17° 282.0° no Time System-search
OM.SHA.--.HHZ PKPdf 2017-02-24 17:47:03.359 -0.60 s 129.13° 274.0° no Time System-search
OM.SOH.--.HHZ PKPdf 2017-02-24 17:47:04.839 -0.10 s 129.72° 282.0° no Time System-search
II.UOSS.10.BHZ PKPdf 2017-02-24 17:47:05.069 -0.70 s 130.17° 283.0° no Time System-search
AE.UMQ.--.HHZ PKPdf 2017-02-24 17:47:05.099 -1.70 s 130.75° 284.0° no Time System-search
OM.MDH.--.HHZ PKPdf 2017-02-24 17:47:05.099 -0.60 s 130.14° 284.0° no Time System-search
AE.MSF.--.HHZ PKPdf 2017-02-24 17:47:05.759 -0.30 s 130.28° 284.0° no Time System-search
DN.ASU.--.HHZ PKPdf 2017-02-24 17:47:05.759 -1.40 s 130.89° 282.0° no Time System-search
OM.ASH.--.HHZ PKPdf 2017-02-24 17:47:05.769 -0.20 s 130.25° 283.0° no Time System-search
DN.HAT.--.HHZ PKPdf 2017-02-24 17:47:05.829 -0.10 s 130.21° 283.0° no Time System-search
OM.BAN.--.HHZ PKPdf 2017-02-24 17:47:06.039 0.10 s 130.25° 284.0° no Time System-search
IU.KEV.00.BHZ PKPdf 2017-02-24 17:47:06.509 0 s 131.13° 348.0° no Time System-search
DN.FAQ.--.HHZ PKPdf 2017-02-24 17:47:06.579 -0.20 s 130.68° 283.0° no Time System-search
AE.ALN.--.HHZ PKPdf 2017-02-24 17:47:06.599 0.40 s 130.41° 282.0° no Time System-search
AE.SHM.--.HHZ PKPdf 2017-02-24 17:47:06.740 0.30 s 130.51° 285.0° no Time System-search
UE.UMZA.--.HHZ PKPdf 2017-02-24 17:47:06.900 0.20 s 130.67° 280.0° no Time System-search
AE.AJN.--.HHZ PKPdf 2017-02-24 17:47:07.519 -0.20 s 131.18° 282.0° no Time System-search
DN.NAZ.--.HHZ PKPdf 2017-02-24 17:47:07.619 0.90 s 130.66° 283.0° no Time System-search
AE.MZR.--.HHZ PKPdf 2017-02-24 17:47:08.660 -1.10 s 132.25° 280.0° no Time System-search
AE.SRB.--.HHZ PKPdf 2017-02-24 17:47:09.279 0.10 s 131.97° 283.0° no Time System-search
UE.MZWR.--.HHZ PKPdf 2017-02-24 17:47:09.930 0.60 s 132.04° 281.0° no Time System-search
AE.JRN.--.HHZ PKPdf 2017-02-24 17:47:11.259 -0.20 s 133.17° 282.0° no Time System-search
UE.GHWR.--.HHZ PKPdf 2017-02-24 17:47:11.470 0.40 s 132.98° 281.0° no Time System-search
UE.SLWR.--.HHZ PKPdf 2017-02-24 17:47:12.880 -0.20 s 134.06° 281.0° no Time System-search
QA.ABUH.--.HHZ PKPdf 2017-02-24 17:47:13.190 -0.50 s 134.41° 282.0° no Time System-search
IU.TSUM.10.BHZ PKPdf 2017-02-24 17:47:15.089 0.20 s 134.57° 202.0° no Time System-search
QA.SMRA.--.HHZ PKPdf 2017-02-24 17:47:15.220 0.50 s c 134.95° 282.0° yes Time System-search
BH.SAK.--.HHZ PKPdf 2017-02-24 17:47:15.349 -0.20 s c 135.39° 283.0° yes Time System-search
QA.UMSH.--.HNZ PKPdf 2017-02-24 17:47:16.170 1.70 s c 134.79° 282.0° yes System-search
AE.FUMQ.--.HNZ PKPdf 2017-02-24 17:47:16.740 9.70 s c 130.84° 284.0° yes System-search
IU.KMBO.00.BHZ PKPdf 2017-02-24 17:47:18.089 -1.80 s 137.29° 240.0° no Time System-search
II.OBN.00.BHZ PKPdf 2017-02-24 17:47:20.329 -1.00 s 138.90° 329.0° no Time System-search
IU.GNI.00.BHZ PKPdf 2017-02-24 17:47:24.180 0.50 s 139.88° 305.0° no Time System-search
II.KIV.00.BHZ PKPdf 2017-02-24 17:47:25.319 0.80 s 140.41° 311.0° no Time System-search
GO.AKH.--.HHZ PKPdf 2017-02-24 17:47:25.490 0.60 s 140.53° 307.0° no Time System-search
IU.ANTO.00.BHZ PKPdf 2017-02-24 17:47:39.109 0.20 s c 148.73° 309.0° yes Time System-search
II.ESK.00.BHZ PKPdf 2017-02-24 17:47:39.710 2.50 s c 147.91° 4.0° yes Time System-search
GE.EIL.--.BHZ PKPdf 2017-02-24 17:47:40.140 0.20 s c 149.32° 288.0° yes Time System-search
II.BFO.00.BHZ PKPdf 2017-02-24 17:47:46.609 -0.70 s c 154.42° 348.0° yes Time System-search
AE.FUMQ.--.HNZ SKPbc 2017-02-24 17:49:54.269 3.80 s c 130.84° 284.0° yes System-search
QA.UMSH.--.HNZ SKPbc 2017-02-24 17:50:06.730 2.90 s c 134.79° 282.0° yes System-search

Shake Maps

None

Ground Motion

None

Event 20170224-11

Time: 2017-02-24 17:28:45.130
Position:23.4417°S, 178.8528°W
Place:South Pacfic Ocean
Major Place:451 km SW of Nuku?alofa, Tonga
Depth:427.4 km
Magnitude:6.8 MT