Earthquake 20170122-2

2017-01-22 04:30:16.110 68.3 km 7.9 MT
6.1179°S, 155.2078°E
642 km NW of Honiara, Solomon Islands
Time Error: 4.98 s Depth Error: 31.5 km
Num. Stations: 58 Time RMS: 2.46 s
Num. Phases: 72 Azimuth Gap: 51°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
7.5 Mb 11 1.0 NCMS System-search
8.1 Mwp 9 1.0 NCMS System-search
7.9 Mwb 21 1.0 NCMS System-search
7.6 Mwc 73 1.0 NCMS System-search
Emblem-favorite 7.9 MT NCMS System-search

Origin Details

Ellipse Major:6.40 km Min. Distance:19.18° Fixed Depth:no
Ellipse Minor:4.60 km Max. Distance:156.54° Fixed Phase:no
Ellipse Strike:206.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@20627 External Origin ID:HYDRA_RED@85127

Error Ellipse

Azimuth Dip Magnitude Action
Max 107° 86° 47.9 km System-search
Intermediate 206° 14.9 km System-search
Min 296° 10.2 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 21 79% 0.82 153.0 km 8e+20 nt-m NP1
NP2
315.0
139.0
41.0
49.0
87.0
92.0
7.86e+20 4.8e+19 -8.97e+19 -3.74e+20 3.09e+20 -4.12e+20 System-search
Ffffffff CMT 73 57% 33.31 2017-01-22 04:30:52.700
4.8562°S, 155.4387°E
166.0 km
3e+20 nt-m NP1
NP2
131.0
308.0
52.0
38.0
92.0
88.0
3.01e+20 4.47e+19 -4.99e+19 -1.66e+20 8.22e+19 -1.34e+20 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.TARA.00.BHZ 2017-01-22 04:34:39.009 2e+06 2.35 s 8.1 Mb 19.20° 67.0° System-search
II.MSVF.00.BHZ 2017-01-22 04:35:35.519 2e+05 1.40 s 7.2 Mb 25.15° 119.0° System-search
IU.TARA.00.BHZ 2017-01-22 04:35:37.309 8e+05 58.30 s 8.5 Mwp 19.18° 67.8° System-search
II.MSVF.00.BHZ 2017-01-22 04:36:37.670 6e+05 62.15 s 8.3 Mwp 25.12° 119.4° System-search
IU.DAV.00.BHZ 2017-01-22 04:36:50.065 7e+04 10.07 s 7.8 Mwp 32.34° 293.4° System-search
IU.RAO.00.BHZ 2017-01-22 04:37:10.115 7e+04 15.57 s 7.9 Mwp 34.24° 135.4° System-search
IU.RAO.00.BHZ 2017-01-22 04:37:12.765 3e+05 1.00 s 7.9 Mb 34.24° 135.4° System-search
II.TAU.00.BHZ 2017-01-22 04:37:21.900 1e+05 0.80 s 7.4 Mb 37.32° 189.0° System-search
II.TAU.00.BHZ 2017-01-22 04:37:35.500 9e+04 13.60 s 7.8 Mwp 37.30° 189.6° System-search
IU.SNZO.10.HHZ 2017-01-22 04:37:36.730 5e+05 2.38 s 8.2 Mb 39.14° 156.0° System-search
IU.SNZO.10.HHZ 2017-01-22 04:38:21.920 2e+05 45.19 s 8.2 Mwp 39.12° 156.5° System-search
IU.MIDW.00.BHZ 2017-01-22 04:38:26.640 7e+05 14.10 s 7.8 Mwp 43.19° 36.4° System-search
IU.NWAO.00.BHZ 2017-01-22 04:38:28.660 5e+04 12.45 s 7.7 Mwp 44.23° 227.9° System-search
IU.MIDW.00.BHZ 2017-01-22 04:38:29.914 8e+05 0.80 s 7.2 Mb 43.19° 36.4° System-search
IU.NWAO.00.BHZ 2017-01-22 04:38:30.859 1e+05 2.30 s 7.4 Mb 44.23° 227.9° System-search
II.ERM.00.BHZ 2017-01-22 04:39:12.759 2e+05 13.30 s 8.1 Mwp 49.15° 348.1° System-search
IU.POHA.00.BHZ 2017-01-22 04:39:41.160 2e+05 0.90 s 7.6 Mb 54.91° 60.0° System-search
II.ERM.00.BHZ 2017-01-22 04:39:46.809 1e+05 2.40 s 7.4 Mb 49.15° 348.1° System-search
IU.POHA.00.BHZ 2017-01-22 04:39:56.910 1e+05 15.75 s 8.0 Mwp 54.85° 60.8° System-search
IU.PET.00.BHZ 2017-01-22 04:40:08.190 1e+05 0.90 s 7.6 Mb 59.01° 2.0° System-search
IU.PET.00.BHZ 2017-01-22 04:40:24.089 1e+05 15.90 s 8.1 Mwp 58.99° 2.4° System-search
IU.ADK.00.BHZ 2017-01-22 04:40:32.460 3e+05 1.20 s 7.8 Mb 62.60° 19.0° System-search
IU.ADK.00.BHZ 2017-01-22 04:41:21.009 2e+05 48.55 s 8.2 Mwp 62.57° 19.2° System-search
IU.PTCN.00.BHZ 2017-01-22 04:41:44.940 3e+04 1.00 s 6.9 Mb 73.64° 114.0° System-search
II.PALK.00.BHZ 2017-01-22 04:41:52.049 2e+05 1.60 s 7.6 Mb 75.59° 279.0° System-search
II.PALK.00.BHZ 2017-01-22 04:42:06.049 1e+05 14.00 s 8.1 Mwp 75.51° 279.1° System-search
IU.COLA.00.BHZ 2017-01-22 04:42:27.569 2e+05 1.60 s 7.5 Mb 82.19° 21.0° System-search
IU.MAKZ.00.BHZ 2017-01-22 04:42:32.329 8e+04 1.10 s 7.4 Mb 83.14° 318.0° System-search
IU.PTCN.00.BHZ 2017-01-22 04:42:35.240 2e+05 50.30 s 8.4 Mwp 73.58° 114.3° System-search
II.NIL.00.BHZ 2017-01-22 04:42:50.220 5e+04 1.60 s 7.6 Mb 86.74° 304.0° System-search
II.AAK.00.BHZ 2017-01-22 04:42:53.430 3e+04 0.90 s 7.3 Mb 87.35° 313.0° System-search
IU.COR.00.BHZ 2017-01-22 04:43:00.690 1e+05 1.80 s 7.4 Mb 88.26° 44.0° System-search
IU.KBL.--.BHZ 2017-01-22 04:43:05.569 7e+03 1.10 s 6.7 Mb 90.34° 304.0° System-search
IU.MAKZ.00.BHZ 2017-01-22 04:43:07.279 1e+05 34.95 s 8.3 Mwp 83.10° 318.5° System-search
II.BRVK.00.BHZ 2017-01-22 04:43:13.039 3e+04 0.90 s 7.2 Mb 91.81° 323.0° System-search
IU.COLA.00.BHZ 2017-01-22 04:43:17.869 2e+05 50.30 s 8.3 Mwp 82.19° 21.2° System-search
II.RPN.00.BHZ 2017-01-22 04:43:18.160 2e+05 1.80 s 7.9 Mb 92.14° 117.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.TARA.00.BHZ P 2017-01-22 04:34:39.009 -1.30 s c 19.20° 67.0° yes Time System-search
II.MSVF.00.BHZ P 2017-01-22 04:35:35.519 0.60 s 25.15° 119.0° no Time System-search
IU.DAV.00.BHZ P 2017-01-22 04:36:39.990 0.90 s c 32.37° 293.0° yes Time System-search
IU.RAO.00.BHZ P 2017-01-22 04:36:54.539 -0.90 s c 34.27° 135.0° yes Time System-search
II.TAU.00.BHZ P 2017-01-22 04:37:21.900 0.50 s 37.32° 189.0° no Time System-search
IU.SNZO.10.HHZ P 2017-01-22 04:37:36.730 -0.10 s c 39.14° 156.0° yes Time System-search
IU.MIDW.00.BHZ P 2017-01-22 04:38:12.539 2.20 s c 43.23° 36.0° yes Time System-search
IU.NWAO.00.BHZ P 2017-01-22 04:38:16.210 -2.50 s c 44.26° 227.0° yes Time System-search
II.ERM.00.BHZ P 2017-01-22 04:38:59.460 2.60 s c 49.18° 348.0° yes Time System-search
IU.POHA.00.BHZ P 2017-01-22 04:39:41.160 1.10 s c 54.91° 60.0° yes Time System-search
IU.PET.00.BHZ P 2017-01-22 04:40:08.190 -0.10 s c 59.01° 2.0° yes Time System-search
IU.ADK.00.BHZ P 2017-01-22 04:40:32.460 -0.30 s c 62.60° 19.0° yes Time System-search
IU.PTCN.00.BHZ P 2017-01-22 04:41:44.940 2.50 s c 73.64° 114.0° yes Time System-search
II.PALK.00.BHZ P 2017-01-22 04:41:52.049 -1.70 s 75.59° 279.0° no Time System-search
IU.COLA.00.BHZ P 2017-01-22 04:42:27.569 -1.60 s 82.19° 21.0° no Time System-search
IU.MAKZ.00.BHZ P 2017-01-22 04:42:32.329 -2.10 s 83.14° 318.0° no Time System-search
II.NIL.00.BHZ P 2017-01-22 04:42:50.220 -2.50 s 86.74° 304.0° no Time System-search
II.AAK.00.BHZ P 2017-01-22 04:42:53.430 -2.30 s 87.35° 313.0° no Time System-search
IU.COR.00.BHZ P 2017-01-22 04:43:00.690 0.90 s 88.26° 44.0° no Time System-search
IU.KBL.--.BHZ P 2017-01-22 04:43:05.569 -4.40 s c 90.34° 304.0° yes Time System-search
II.BRVK.00.BHZ P 2017-01-22 04:43:13.039 -3.30 s 91.81° 323.0° no Time System-search
II.RPN.00.BHZ P 2017-01-22 04:43:18.160 -0.10 s 92.14° 117.0° no Time System-search
OM.SOH.--.HHZ Pdif 2017-01-22 04:43:53.970 -1.90 s c 100.46° 293.0° yes Time System-search
AE.MSF.--.HHZ Pdif 2017-01-22 04:43:57.089 -0.60 s 100.84° 294.0° no Time System-search
DN.HAT.--.HHZ Pdif 2017-01-22 04:43:57.190 -0.50 s 100.85° 294.0° no Time System-search
OM.ASH.--.HHZ Pdif 2017-01-22 04:43:58.509 0.50 s 100.91° 293.0° no Time System-search
OM.BAN.--.HHZ Pdif 2017-01-22 04:43:58.519 1.40 s 100.73° 295.0° no Time System-search
OM.MDH.--.HHZ Pdif 2017-01-22 04:43:58.710 1.70 s 100.71° 294.0° no Time System-search
DN.FAQ.--.HHZ Pdif 2017-01-22 04:43:58.759 -1.10 s 101.34° 293.0° no Time System-search
II.UOSS.10.BHZ Pdif 2017-01-22 04:43:58.970 1.60 s 100.79° 294.0° no Time System-search
DN.NAZ.--.HHZ Pdif 2017-01-22 04:43:59.450 -0.10 s 101.28° 294.0° no Time System-search
DN.ASU.--.HHZ Pdif 2017-01-22 04:44:00.680 -0.20 s 101.58° 293.0° no Time System-search
UE.UMZA.--.HHZ Pdif 2017-01-22 04:44:01.109 -0.20 s c 101.68° 291.0° yes Time System-search
AE.ALN.--.HHZ Pdif 2017-01-22 04:44:02.759 3.70 s 101.17° 293.0° no Time System-search
II.FFC.00.BHZ Pdif 2017-01-22 04:44:04.180 0.10 s 102.37° 35.0° no Time System-search
AE.UMQ.--.HHZ Pdif 2017-01-22 04:44:04.299 4.80 s 101.29° 294.0° no Time System-search
AE.AJN.--.HHZ Pdif 2017-01-22 04:44:04.509 2.30 s c 101.88° 293.0° yes Time System-search
AE.MZR.--.HHZ Pdif 2017-01-22 04:44:08.109 -0.10 s 103.24° 292.0° no Time System-search
AE.SRB.--.HHZ Pdif 2017-01-22 04:44:08.460 3.10 s 102.58° 294.0° no Time System-search
UE.MZWR.--.HHZ Pdif 2017-01-22 04:44:09.170 2.50 s 102.88° 292.0° no Time System-search
UE.GHWR.--.HHZ Pdif 2017-01-22 04:44:13.359 2.60 s c 103.80° 293.0° yes Time System-search
UE.SLWR.--.HHZ Pdif 2017-01-22 04:44:18.559 3.00 s c 104.89° 293.0° yes Time System-search
BH.SAK.--.HHZ Pdif 2017-01-22 04:44:23.430 3.30 s c 105.92° 295.0° yes Time System-search
GO.AKH.--.HHZ Pdif 2017-01-22 04:44:39.529 -0.30 s c 110.31° 311.0° yes Time System-search
IU.GNI.00.BHZ Pdif 2017-01-22 04:44:40.710 4.10 s c 109.59° 310.0° yes Time System-search
II.OBN.00.BHZ Pdif 2017-01-22 04:44:43.759 0.70 s c 111.11° 327.0° yes Time System-search
II.KIV.00.BHZ Pdif 2017-01-22 04:44:44.559 4.40 s c 110.41° 314.0° yes Time System-search
BH.SAK.--.HHZ PKiKP 2017-01-22 04:48:35.029 2.40 s c 105.92° 295.0° yes Time System-search
IU.KEV.00.BHZ PKiKP 2017-01-22 04:48:41.210 5.30 s c 108.21° 343.0° yes Time System-search
IU.PAYG.00.BHZ PKiKP 2017-01-22 04:48:47.759 -1.20 s c 114.40° 93.0° yes Time System-search
IU.ANTO.00.BHZ PKPdf 2017-01-22 04:48:53.559 -3.00 s c 118.58° 312.0° yes Time System-search
CU.TGUH.00.BHZ PKPdf 2017-01-22 04:48:53.900 -2.30 s c 118.25° 77.0° yes Time System-search
GE.EIL.--.BHZ PKPdf 2017-01-22 04:48:54.640 -3.40 s c 119.30° 300.0° yes Time System-search
CU.MTDJ.00.BHZ PKPdf 2017-01-22 04:49:08.369 -5.40 s c 127.35° 71.0° yes Time System-search
II.ESK.00.BHZ PKPdf 2017-01-22 04:49:09.359 -4.70 s c 127.90° 344.0° yes Time System-search
II.BFO.00.BHZ PKPdf 2017-01-22 04:49:10.160 -6.80 s c 129.34° 331.0° yes Time System-search
II.SHEL.00.BHZ PKPdf 2017-01-22 04:49:56.460 -0.10 s c 151.07° 220.0° yes Time System-search
IU.MACI.--.HHZ PKPdf 2017-01-22 04:50:04.170 -0.10 s c 156.54° 341.0° yes Time System-search
GE.EIL.--.BHZ PKKPab 2017-01-22 04:59:13.440 0.10 s c 119.30° 300.0° yes Time System-search
CU.TGUH.00.BHZ PKKPbc 2017-01-22 04:59:15.940 0.70 s c 118.25° 77.0° yes Time System-search
IU.ANTO.00.BHZ PKKPab 2017-01-22 04:59:21.460 5.30 s c 118.58° 312.0° yes Time System-search
GT.PLCA.00.BHZ PKKPab 2017-01-22 04:59:23.549 0.70 s c 117.25° 142.0° yes Time System-search
IU.PAYG.00.BHZ PKKPbc 2017-01-22 04:59:31.910 3.30 s c 114.40° 93.0° yes Time System-search
UE.SLWR.--.HHZ PKKPbc 2017-01-22 04:59:59.589 0.30 s c 104.89° 293.0° yes Time System-search
BH.SAK.--.HHZ PKKPbc 2017-01-22 05:00:02.619 6.40 s c 105.92° 295.0° yes Time System-search
AE.MZR.--.HHZ PKKPbc 2017-01-22 05:00:03.140 -1.10 s c 103.24° 292.0° yes Time System-search
UE.GHWR.--.HHZ PKKPbc 2017-01-22 05:00:03.359 0.80 s c 103.80° 293.0° yes Time System-search
UE.UMZA.--.HHZ PKKPbc 2017-01-22 05:00:07.579 -1.20 s c 101.68° 291.0° yes Time System-search
AE.ALN.--.HHZ PKKPbc 2017-01-22 05:00:08.940 -1.40 s c 101.17° 293.0° yes Time System-search
DN.NAZ.--.HHZ PKKPbc 2017-01-22 05:00:12.279 2.30 s c 101.28° 294.0° yes Time System-search
DN.FAQ.--.HHZ PKKPbc 2017-01-22 05:00:14.130 4.30 s c 101.34° 293.0° yes Time System-search
OM.ASH.--.HHZ PKKPbc 2017-01-22 05:00:16.160 5.00 s c 100.91° 293.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170122-2

Time: 2017-01-22 04:30:16.110
Position:6.1179°S, 155.2078°E
Place:
Major Place:642 km NW of Honiara, Solomon Islands
Depth:68.3 km
Magnitude:7.9 MT