Earthquake 20170317-11

2017-03-17 10:18:38.540 100.0 km 5.7 Mb
23.3872°S, 177.2161°W
South Pacfic Ocean
322 km SW of Nuku?alofa, Tonga
Time Error: 1.41 s Depth Error:
Num. Stations: 24 Time RMS: 0.69 s
Num. Phases: 24 Azimuth Gap: 105°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.7 Mb 3 1.0 NCMS System-search

Origin Details

Ellipse Major:18.50 km Min. Distance:47.81° Fixed Depth:yes
Ellipse Minor:12.10 km Max. Distance:154.63° 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@21936 External Origin ID:HYDRA_RED@91892

Error Ellipse

Azimuth Dip Magnitude Action
Max 142° 37.1 km System-search
Intermediate 52° 24.2 km System-search
Min 0 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.POHA.00.BHZ 2017-03-17 10:27:06.309 2e+03 0.90 s 5.5 Mb 47.86° 28.0° System-search
IU.NWAO.00.BHZ 2017-03-17 10:28:19.210 2e+03 1.80 s 5.7 Mb 57.78° 244.0° System-search
II.KAPI.00.BHZ 2017-03-17 10:28:56.640 3e+03 1.70 s 5.8 Mb 63.35° 276.0° System-search
GT.PLCA.00.BHZ 2017-03-17 10:31:11.269 2e+03 1.25 s 5.3 Mb 86.74° 133.0° System-search
IU.COLA.00.BHZ 2017-03-17 10:31:30.109 3e+03 0.90 s 6.0 Mb 90.88° 12.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.POHA.00.BHZ P 2017-03-17 10:27:06.309 -0.10 s 47.86° 28.0° no Time System-search
IU.NWAO.00.BHZ P 2017-03-17 10:28:19.210 -0.20 s c 57.78° 244.0° yes Time System-search
II.KAPI.00.BHZ P 2017-03-17 10:28:56.640 -0.70 s 63.35° 276.0° no Time System-search
GT.PLCA.00.BHZ P 2017-03-17 10:31:11.269 -0.60 s c 86.74° 133.0° yes Time System-search
IU.COLA.00.BHZ P 2017-03-17 10:31:30.109 -0.10 s 90.88° 12.0° no Time System-search
II.KURK.00.BHZ PKPdf 2017-03-17 10:37:09.660 -0.90 s c 116.63° 316.0° yes Time System-search
II.BRVK.00.BHZ PKPdf 2017-03-17 10:37:20.500 -0.10 s 121.83° 318.0° no Time System-search
IU.KBL.--.BHZ PKPdf 2017-03-17 10:37:22.240 0.60 s c 121.97° 297.0° yes Time System-search
OM.SOH.--.HHZ PKPdf 2017-03-17 10:37:39.130 0 s c 131.18° 282.0° yes Time System-search
II.UOSS.10.BHZ PKPdf 2017-03-17 10:37:39.440 -0.60 s 131.62° 283.0° no Time System-search
AE.SHM.--.HHZ PKPdf 2017-03-17 10:37:39.930 -0.70 s 131.95° 284.0° no Time System-search
DN.HAT.--.HHZ PKPdf 2017-03-17 10:37:40.190 0.10 s c 131.66° 283.0° yes Time System-search
OM.ASH.--.HHZ PKPdf 2017-03-17 10:37:40.220 0 s c 131.70° 282.0° yes Time System-search
AE.ALN.--.HHZ PKPdf 2017-03-17 10:37:40.680 0.20 s c 131.87° 282.0° yes Time System-search
AE.MSF.--.HHZ PKPdf 2017-03-17 10:37:41.180 0.90 s c 131.73° 283.0° yes Time System-search
DN.NAZ.--.HHZ PKPdf 2017-03-17 10:37:41.430 0.50 s c 132.11° 283.0° yes Time System-search
DN.FAQ.--.HHZ PKPdf 2017-03-17 10:37:41.549 0.60 s c 132.13° 282.0° yes Time System-search
DN.ASU.--.HHZ PKPdf 2017-03-17 10:37:42.190 0.80 s c 132.35° 282.0° yes Time System-search
AE.MZR.--.HHZ PKPdf 2017-03-17 10:37:43.769 -0.20 s 133.72° 280.0° no Time System-search
IU.TSUM.10.BHZ PKPdf 2017-03-17 10:37:47.609 0.10 s c 135.16° 200.0° yes Time System-search
IU.GNI.00.BHZ PKPdf 2017-03-17 10:37:53.349 -4.00 s 141.07° 305.0° no Time System-search
II.ESK.00.BHZ PKPdf 2017-03-17 10:38:10.960 2.50 s c 147.71° 6.0° yes Time System-search
IU.ANTO.00.BHZ PKPdf 2017-03-17 10:38:12.710 0.40 s c 149.86° 310.0° yes Time System-search
II.BFO.00.BHZ PKPdf 2017-03-17 10:38:19.480 0.20 s 154.63° 351.0° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170317-11

Time: 2017-03-17 10:18:38.540
Position:23.3872°S, 177.2161°W
Place:South Pacfic Ocean
Major Place:322 km SW of Nuku?alofa, Tonga
Depth:100.0 km
Magnitude:5.7 Mb