Earthquake 20170207-2

2017-02-07 12:23:23.360 594.8 km 5.3 Mb
21.8090°S, 179.0778°W
South Pacfic Ocean
405 km W of Nuku?alofa, Tonga
Time Error: 1.47 s Depth Error: 9.2 km
Num. Stations: 18 Time RMS: 0.72 s
Num. Phases: 19 Azimuth Gap: 121°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.3 Mb 3 1.0 NCMS System-search

Origin Details

Ellipse Major:16.40 km Min. Distance:4.86° Fixed Depth:no
Ellipse Minor:8.10 km Max. Distance:147.52° Fixed Phase:no
Ellipse Strike:77.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@20976 External Origin ID:HYDRA_RED@87042

Error Ellipse

Azimuth Dip Magnitude Action
Max 258° 38.6 km System-search
Intermediate 168° 19.0 km System-search
Min 17° 84° 13.8 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.TARA.00.BHZ 2017-02-07 12:27:55.940 7e+03 1.15 s 6.0 Mb 24.34° 340.0° System-search
IU.NWAO.00.BHZ 2017-02-07 12:32:12.579 6e+03 2.80 s 5.4 Mb 56.90° 244.0° System-search
IU.ADK.00.BHZ 2017-02-07 12:33:55.660 3e+03 0.70 s 5.3 Mb 73.44° 1.0° System-search
IU.COLA.00.BHZ 2017-02-07 12:35:18.160 490.5 0.70 s 5.0 Mb 89.72° 12.0° System-search
GT.PLCA.00.BHZ 2017-02-07 12:35:18.750 866.5 1.00 s 4.9 Mb 89.07° 133.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.MSVF.00.BHZ P 2017-02-07 12:24:55.160 0.40 s c 4.87° 325.0° yes Time System-search
IU.RAO.00.BHZ P 2017-02-07 12:25:17.490 -0.10 s c 7.48° 172.0° yes Time System-search
IU.TARA.00.BHZ P 2017-02-07 12:27:55.940 0.10 s c 24.34° 340.0° yes Time System-search
IU.NWAO.00.BHZ P 2017-02-07 12:32:12.579 -0.40 s 56.90° 244.0° no Time System-search
IU.ADK.00.BHZ P 2017-02-07 12:33:55.660 0.10 s c 73.44° 1.0° yes Time System-search
IU.COLA.00.BHZ P 2017-02-07 12:35:18.160 -0.10 s c 89.72° 12.0° yes Time System-search
GT.PLCA.00.BHZ P 2017-02-07 12:35:18.750 2.30 s 89.07° 133.0° no Time System-search
II.BRVK.00.BHZ PKPdf 2017-02-07 12:41:04.180 -1.70 s 119.52° 319.0° no Time System-search
AE.ALN.--.HHZ PKPdf 2017-02-07 12:41:24.150 -2.20 s 129.84° 283.0° no Time System-search
AE.MSF.--.HHZ PKPdf 2017-02-07 12:41:24.160 -1.90 s 129.67° 285.0° no Time System-search
OM.SOH.--.HHZ PKPdf 2017-02-07 12:41:24.380 -0.60 s c 129.15° 283.0° yes Time System-search
OM.ASH.--.HHZ PKPdf 2017-02-07 12:41:25.670 -0.40 s c 129.66° 284.0° yes Time System-search
DN.HAT.--.HHZ PKPdf 2017-02-07 12:41:25.950 0 s c 129.61° 284.0° yes Time System-search
AE.MZR.--.HHZ PKPdf 2017-02-07 12:41:30.670 0.70 s c 131.74° 281.0° yes Time System-search
IU.KMBO.00.BHZ PKPdf 2017-02-07 12:41:42.509 0.30 s c 137.90° 241.0° yes Time System-search
IU.GNI.00.BHZ PKPdf 2017-02-07 12:41:43.359 0.50 s c 138.75° 306.0° yes Time System-search
GO.AKH.--.HHZ PKPdf 2017-02-07 12:41:46.490 2.60 s c 139.36° 308.0° yes Time System-search
IU.ANTO.00.BHZ PKPdf 2017-02-07 12:42:01.490 3.40 s c 147.52° 310.0° yes Time System-search
GO.AKH.--.HHZ SKPbc 2017-02-07 12:44:25.150 1.10 s c 139.36° 308.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170207-2

Time: 2017-02-07 12:23:23.360
Position:21.8090°S, 179.0778°W
Place:South Pacfic Ocean
Major Place:405 km W of Nuku?alofa, Tonga
Depth:594.8 km
Magnitude:5.3 Mb