Earthquake 20170912-18

Earthquake 20170912-18
2017-09-12 20:38:20.510 134.30 km 4.77 mb
14.8582°S, 174.4953°W
South Pacfic Ocean; 143 km from Hihifo, Niuas, Tonga
309 km W of Apia, Samoa
Time Error: 2.21 s Num. Stations: 17
Time RMS: 1.09 s Num. Phases: 17
Depth Error: 11.50 km Max. Intensity (MMI):
Azimuth Gap: 114° Effects Type: Seismic
Analysis Type: Automatic
 
UNCHECKED, FULLY AUTOMATIC LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 4.77 mb NEIC Action show
5.30 mB_BB 4 0.3 NEIC Action show
4.80 mb 33 0.1 NEIC Action show
5.10 M 37 0.2 NEIC Action show
 
Origin Details
Ellipse Major: 13.10 km Fixed Depth: yes
Ellipse Minor: 7.20 km Fixed Phase: yes
Ellipse Strike: 148.0° Fixed Time: yes
Min. Distance: 2.80° Author: NEIC
Max. Distance: 97.39° Event Type: Earthquake
Fixed Location: yes External Event ID: HYDRA_RED@7711
Location Method: Inversion External Origin ID: HYDRA_RED@15613
 
Error Ellipse
Length Azimuth Dip Action
Maximum 31.30 km 149.00° 12.00° Action show
Intermediate 17.20 km 248.00° 33.00° Action show
Minimum 16.00 km 41.00° 53.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.CTAO.00.BHZ 2017-09-12 20:45:25.109 52.3 1.00 s 5.30 mb 37.74° 256.3° Action show
II.WRAB.00.BHZ 2017-09-12 20:46:55.109 40.8 1.20 s 5.10 mb 48.92° 256.4° Action show
IU.MBWA.00.BHZ 2017-09-12 20:48:30.640 27.0 0.90 s 5.20 mb 62.50° 253.6° Action show
IU.SBA.00.BHZ 2017-09-12 20:48:38.835 9.7 0.85 s 4.80 mb 63.70° 184.4° Action show
IU.MAJO.00.BHZ 2017-09-12 20:49:04.509 63.4 1.90 s 5.20 mb 67.85° 320.2° Action show
IU.YSS.00.BHZ 2017-09-12 20:49:35.140 70.8 1.00 s 5.40 mb 72.50° 330.8° Action show
II.KDAK.00.BHZ 2017-09-12 20:49:46.035 16.0 1.05 s 4.70 mb 74.61° 12.0° Action show
US.TPNV.00.BHZ 2017-09-12 20:49:50.025 8.2 1.35 s 4.30 mb 75.22° 44.8° Action show
US.WVOR.00.BHZ 2017-09-12 20:49:58.194 11.4 1.10 s 4.60 mb 76.68° 39.1° Action show
US.ELK.00.BHZ 2017-09-12 20:50:04.795 9.7 1.10 s 4.50 mb 77.88° 42.0° Action show
US.WUAZ.00.BHZ 2017-09-12 20:50:05.625 21.2 1.25 s 4.80 mb 77.92° 48.1° Action show
US.HAWA.00.BHZ 2017-09-12 20:50:07.625 10.1 0.85 s 4.60 mb 78.44° 35.4° Action show
US.DUG.00.BHZ 2017-09-12 20:50:11.799 9.4 1.10 s 4.50 mb 79.19° 43.4° Action show
CN.LLLB.--.HHZ 2017-09-12 20:50:14.579 15.9 1.20 s 4.70 mb 79.76° 31.0° Action show
US.HLID.00.BHZ 2017-09-12 20:50:16.025 13.2 1.00 s 4.70 mb 79.89° 39.8° Action show
US.HWUT.00.BHZ 2017-09-12 20:50:19.049 6.4 1.15 s 4.30 mb 80.71° 42.6° Action show
US.MNTX.00.BHZ 2017-09-12 20:50:20.349 8.0 1.15 s 4.40 mb 80.76° 53.9° Action show
IU.ANMO.00.BHZ 2017-09-12 20:50:23.460 29.8 1.60 s 4.80 mb 81.27° 50.5° Action show
US.MSO.00.BHZ 2017-09-12 20:50:26.095 11.8 1.15 s 4.50 mb 81.89° 37.2° Action show
US.BOZ.00.BHZ 2017-09-12 20:50:30.269 15.3 1.30 s 4.70 mb 82.64° 39.1° Action show
US.SDCO.00.BHZ 2017-09-12 20:50:32.819 10.5 1.10 s 4.60 mb 83.14° 48.3° Action show
US.ISCO.00.BHZ 2017-09-12 20:50:36.740 6.9 1.10 s 4.40 mb 83.92° 46.3° Action show
US.RLMT.00.BHZ 2017-09-12 20:50:36.769 16.9 1.10 s 4.80 mb 83.86° 40.3° Action show
TD.TD008.--.HHZ 2017-09-12 20:50:38.109 16.9 1.10 s 4.80 mb 84.30° 31.6° Action show
CN.NBC6.--.HHZ 2017-09-12 20:50:41.339 10.6 0.94 s 4.70 mb 85.03° 24.9° Action show
CN.NBC2.--.HHZ 2017-09-12 20:50:43.759 300.8 1.06 s 6.10 mb 85.34° 23.6° Action show
CN.NBC3.--.HHZ 2017-09-12 20:50:46.349 7.7 1.04 s 4.50 mb 85.96° 24.3° Action show
CN.INK.--.BHZ 2017-09-12 20:50:55.795 14.5 1.00 s 5.00 mb 88.00° 14.1° Action show
IU.YAK.00.BHZ 2017-09-12 20:50:56.109 29.2 1.20 s 5.20 mb 88.20° 337.0° Action show
US.DGMT.00.BHZ 2017-09-12 20:50:58.694 22.8 0.95 s 5.20 mb 88.47° 38.9° Action show
IU.TIXI.00.BHZ 2017-09-12 20:51:25.910 7.0 1.10 s 4.90 mb 94.19° 344.6° Action show
US.COWI.00.BHZ 2017-09-12 20:51:38.569 12.7 1.00 s 5.40 mb 97.39° 44.4° Action show
IU.TIXI.00.BHZ 2017-09-12 20:52:30.410 132.4 3.70 s 5.40 mB_BB 94.19° 344.6° Action show
IU.ANMO.00.BHZ 2017-09-12 20:52:49.410 235.5 4.40 s 5.10 mB_BB 81.27° 50.5° Action show
US.BMO.00.BHZ 2017-09-12 20:52:59.049 728.0 0.30 s 5.60 mB_BB 78.84° 37.6° Action show
US.BMO.00.BHZ 2017-09-12 20:53:03.825 25.1 0.85 s 5.00 mb 78.84° 37.6° Action show
CN.NBC6.--.HHZ 2017-09-12 20:53:13.900 213.8 4.02 s 5.20 mB_BB 85.03° 24.9° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
IU.AFI.00.BHZ Pn 2017-09-12 20:39:04.009 -0.80 s _ 2.80° 70.6° yes Time Action show
II.MSVF.00.BHZ Pn 2017-09-12 20:40:17.960 7.80 s _ 7.71° 247.1° yes Time Action show
IU.CTAO.00.BHZ P 2017-09-12 20:45:23.609 0 s _ 37.74° 256.3° yes Time Action show
II.WRAB.00.BHZ P 2017-09-12 20:46:52.559 -0.80 s _ 48.92° 256.4° yes Time Action show
IU.MBWA.00.BHZ P 2017-09-12 20:48:29.789 -0.40 s _ 62.50° 253.6° yes Time Action show
IU.SBA.00.BHZ P 2017-09-12 20:48:38.009 0.80 s _ 63.70° 184.4° yes Time Action show
IU.MAJO.00.BHZ P 2017-09-12 20:49:03.509 -0.90 s _ 67.85° 320.2° yes Time Action show
IU.YSS.00.BHZ P 2017-09-12 20:49:34.339 1.90 s _ 72.50° 330.8° yes Time Action show
II.KDAK.00.BHZ P 2017-09-12 20:49:45.309 0.80 s _ 74.61° 12.0° yes Time Action show
US.TPNV.00.BHZ P 2017-09-12 20:49:48.049 -0.70 s _ 75.22° 44.8° yes Time Action show
US.WVOR.00.BHZ P 2017-09-12 20:49:57.319 0.40 s _ 76.68° 39.1° yes Time Action show
US.ELK.00.BHZ P 2017-09-12 20:50:03.720 -0.10 s _ 77.88° 42.0° yes Time Action show
US.WUAZ.00.BHZ P 2017-09-12 20:50:04.849 0.80 s _ 77.92° 48.1° yes Time Action show
US.BMO.00.BHZ P 2017-09-12 20:50:06.650 -2.10 s _ 78.84° 37.6° yes Time Action show
US.HAWA.00.BHZ P 2017-09-12 20:50:06.900 0.40 s _ 78.44° 35.4° yes Time Action show
US.DUG.00.BHZ P 2017-09-12 20:50:10.900 0 s _ 79.19° 43.4° yes Time Action show
CN.LLLB.--.HHZ P 2017-09-12 20:50:13.950 0.40 s _ 79.76° 31.0° yes Time Action show
US.HLID.00.BHZ P 2017-09-12 20:50:14.900 0.30 s _ 79.89° 39.8° yes Time Action show
US.HWUT.00.BHZ P 2017-09-12 20:50:18.599 -0.50 s _ 80.71° 42.6° yes Time Action show
US.MNTX.00.BHZ P 2017-09-12 20:50:19.099 -0.20 s _ 80.76° 53.9° yes Time Action show
IU.ANMO.00.BHZ P 2017-09-12 20:50:22.210 0 s _ 81.27° 50.5° yes Time Action show
US.MSO.00.BHZ P 2017-09-12 20:50:24.569 -0.50 s _ 81.89° 37.2° yes Time Action show
US.BOZ.00.BHZ P 2017-09-12 20:50:28.970 -0.10 s _ 82.64° 39.1° yes Time Action show
US.SDCO.00.BHZ P 2017-09-12 20:50:31.519 -0.50 s _ 83.14° 48.3° yes Time Action show
US.RLMT.00.BHZ P 2017-09-12 20:50:35.970 0.50 s _ 83.86° 40.3° yes Time Action show
US.ISCO.00.BHZ P 2017-09-12 20:50:36.089 0.10 s _ 83.92° 46.3° yes Time Action show
TD.TD008.--.HHZ P 2017-09-12 20:50:37.339 0.10 s _ 84.30° 31.6° yes Time Action show
CN.NBC6.--.HHZ P 2017-09-12 20:50:40.670 0 s _ 85.03° 24.9° yes Time Action show
CN.NBC2.--.HHZ P 2017-09-12 20:50:42.990 0.90 s _ 85.34° 23.6° yes Time Action show
CN.NBC3.--.HHZ P 2017-09-12 20:50:45.670 0.50 s _ 85.96° 24.3° yes Time Action show
IU.YAK.00.BHZ P 2017-09-12 20:50:55.359 -0.60 s _ 88.20° 337.0° yes Time Action show
CN.INK.--.BHZ P 2017-09-12 20:50:55.619 0.70 s _ 88.00° 14.1° yes Time Action show
US.DGMT.00.BHZ P 2017-09-12 20:50:58.019 0.40 s _ 88.47° 38.9° yes Time Action show
IU.TIXI.00.BHZ P 2017-09-12 20:51:23.660 0.10 s _ 94.19° 344.6° yes Time Action show
US.COWI.00.BHZ P 2017-09-12 20:51:37.970 -0.80 s _ 97.39° 44.4° yes Time Action show

Ground Motion

None

Shake Maps

None