Earthquake 20170827-6

2017-08-27 04:17:50.330 7.6 km 6.2 Mwb
1.3081°S, 148.1297°E
South Pacfic Ocean
918 km N of Port Moresby, Papua New Guinea
Time Error: 1.43 s Depth Error: 16.0 km
Num. Stations: 34 Time RMS: 0.71 s
Num. Phases: 34 Azimuth Gap: 43°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 6.2 Mwb 0 0 NCMS System-search
6.2 M 0 0 NCMS System-search
6.1 Mwp 10 0.10 NCMS System-search
6.3 Ms_BB 4 0.20 NCMS System-search
6.2 mB_BB 22 0.10 NCMS System-search
5.8 mb 25 0.10 NCMS System-search
6.2 Mwc 20 0.10 NCMS System-search
6.2 Mwb 38 0.10 NCMS System-search
6.0 M 98 0.10 NCMS System-search

Origin Details

Ellipse Major:8.80 km Min. Distance:23.99° Fixed Depth:no
Ellipse Minor:7.20 km Max. Distance:133.41° Fixed Phase:no
Ellipse Strike:194.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@18096 External Origin ID:HYDRA_RED@36240

Error Ellipse

Azimuth Dip Magnitude Action
Max 186° 58° 26.5 km System-search
Intermediate 45° 25° 17.9 km System-search
Min 307° 17° 16.4 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 CMT 20 88% 0.060 2017-08-28 04:17:41.299
0.5535°S, 149.0275°E
52.0 km
3e+18 nt-m NP1
NP2
52.0
147.0
87.0
35.0
-55.0
-175.0
-2.49e+17 -1.76e+18 -1.41e+18 -1.38e+18 5.95e+17 1.63e+18 System-search
Ffffffff MT 38 90% 0.75 12.0 km 3e+18 nt-m NP1
NP2
227.0
317.0
88.0
81.0
-9.0
-178.0
-1.62e+17 3.3e+17 2.26e+17 -2.56e+18 1.86e+17 2.72e+18 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.TARA.00.BHZ 2017-08-27 04:23:15.984 2e+04 1.05 s 6.9 mB_BB 24.93° 84.0° System-search
IU.TARA.00.BHZ 2017-08-27 04:23:16.484 2e+03 0.95 s 6.7 mb 24.93° 84.0° System-search
IU.TARA.00.BHZ 2017-08-27 04:23:17.609 2e+04 4.05 s 6.1 Mwp 24.93° 84.0° System-search
II.KAPI.00.BHZ 2017-08-27 04:23:58.759 242.7 1.20 s 5.9 mb 28.57° 262.0° System-search
II.KAPI.00.BHZ 2017-08-27 04:24:03.809 4e+03 5.50 s 6.3 mB_BB 28.57° 262.0° System-search
II.KAPI.00.BHZ 2017-08-27 04:24:16.660 3e+04 28.90 s 6.3 Mwp 28.57° 262.0° System-search
II.MSVF.00.BHZ 2017-08-27 04:24:47.809 1e+03 4.00 s 6.0 mB_BB 33.63° 120.9° System-search
II.MSVF.00.BHZ 2017-08-27 04:24:57.259 69.2 0.90 s 5.6 mb 33.63° 120.9° System-search
II.TAU.00.BHZ 2017-08-27 04:25:38.910 246.3 1.10 s 5.8 mb 41.43° 180.9° System-search
IU.NWAO.00.BHZ 2017-08-27 04:25:55.740 134.2 0.90 s 5.7 mb 42.79° 219.5° System-search
II.ERM.00.BHZ 2017-08-27 04:26:06.359 2e+03 6.80 s 6.0 mB_BB 43.36° 354.6° System-search
II.ERM.00.BHZ 2017-08-27 04:26:08.710 73.8 0.90 s 5.4 mb 43.36° 354.6° System-search
II.ERM.00.BHZ 2017-08-27 04:26:10.210 2e+04 21.30 s 6.3 Mwp 43.36° 354.6° System-search
IU.PET.00.BHZ 2017-08-27 04:27:33.190 227.1 1.20 s 6.1 mb 54.85° 7.8° System-search
IU.POHA.00.BHZ 2017-08-27 04:28:10.259 238.5 1.10 s 6.2 mb 59.05° 66.1° System-search
IU.POHA.00.BHZ 2017-08-27 04:28:40.660 3e+03 2.60 s 6.6 mB_BB 59.05° 66.1° System-search
IU.MAKZ.00.BHZ 2017-08-27 04:29:46.490 170.2 1.20 s 5.9 mb 74.86° 319.4° System-search
IU.MAKZ.00.BHZ 2017-08-27 04:29:49.490 5e+03 18.35 s 6.0 Mwp 74.86° 319.4° System-search
II.NIL.00.BHZ 2017-08-27 04:29:55.809 250.9 0.70 s 6.4 mb 78.15° 304.6° System-search
II.NIL.00.BHZ 2017-08-27 04:29:55.960 3e+03 4.95 s 5.8 Mwp 78.15° 304.6° System-search
IU.MAKZ.00.BHZ 2017-08-27 04:29:56.515 2e+03 3.55 s 6.3 mB_BB 74.86° 319.4° System-search
II.KURK.00.BHZ 2017-08-27 04:30:03.819 153.2 1.00 s 6.0 mb 78.17° 322.5° System-search
IU.COLA.00.BHZ 2017-08-27 04:30:10.059 2e+03 9.10 s 5.7 Mwp 80.41° 22.9° System-search
IU.COLA.00.BHZ 2017-08-27 04:30:10.660 2e+03 2.10 s 6.3 mB_BB 80.41° 22.9° System-search
IU.COLA.00.BHZ 2017-08-27 04:30:11.789 121.4 0.90 s 5.9 mb 80.41° 22.9° System-search
II.KURK.00.BHZ 2017-08-27 04:30:12.960 5e+03 23.25 s 6.0 Mwp 78.17° 322.5° System-search
IU.KBL.--.BHZ 2017-08-27 04:30:13.609 38.9 0.65 s 5.6 mb 81.75° 305.0° System-search
II.KURK.00.BHZ 2017-08-27 04:30:15.809 2e+03 1.90 s 6.4 mB_BB 78.17° 322.5° System-search
II.NIL.00.BHZ 2017-08-27 04:30:16.009 5e+03 3.90 s 6.7 mB_BB 78.15° 304.6° System-search
II.AAK.00.BHZ 2017-08-27 04:30:18.809 1e+04 23.50 s 6.3 Mwp 78.90° 313.8° System-search
II.AAK.00.BHZ 2017-08-27 04:30:19.759 136.8 1.00 s 5.9 mb 78.90° 313.8° System-search
II.AAK.00.BHZ 2017-08-27 04:30:20.259 3e+03 2.50 s 6.5 mB_BB 78.90° 313.8° System-search
IU.KBL.--.BHZ 2017-08-27 04:30:22.410 915.4 3.20 s 6.0 mB_BB 81.75° 305.0° System-search
IU.KBL.--.BHZ 2017-08-27 04:30:28.384 5e+03 18.33 s 6.0 Mwp 81.75° 305.0° System-search
II.BRVK.00.BHZ 2017-08-27 04:30:30.509 226.8 1.10 s 6.3 mb 83.74° 323.6° System-search
II.BRVK.00.BHZ 2017-08-27 04:30:34.059 2e+03 4.20 s 6.6 mB_BB 83.74° 323.6° System-search
II.BRVK.00.BHZ 2017-08-27 04:30:37.460 4e+03 17.95 s 6.0 Mwp 83.74° 323.6° System-search
OM.BID.--.HHZ 2017-08-27 04:31:04.869 1e+03 3.78 s 6.3 mB_BB 90.52° 293.4° System-search
OM.SOH.--.HHZ 2017-08-27 04:31:10.349 10.5 1.02 s 5.1 mb 91.99° 294.0° System-search
OM.SOH.--.HHZ 2017-08-27 04:31:11.109 286.0 4.32 s 5.8 mB_BB 91.99° 294.0° System-search
II.UOSS.10.BHZ 2017-08-27 04:31:12.440 211.0 3.25 s 5.7 mB_BB 92.29° 294.8° System-search
DN.HAT.--.HHZ 2017-08-27 04:31:12.960 270.6 3.42 s 5.8 mB_BB 92.36° 294.6° System-search
AE.MSF.--.HHZ 2017-08-27 04:31:13.039 851.3 4.08 s 6.3 mB_BB 92.34° 295.2° System-search
AE.SHM.--.HHZ 2017-08-27 04:31:13.450 735.1 4.08 s 6.2 mB_BB 92.45° 296.0° System-search
OM.ASH.--.HHZ 2017-08-27 04:31:13.509 297.0 4.28 s 5.8 mB_BB 92.42° 294.5° System-search
OM.BID.--.HHZ 2017-08-27 04:31:19.839 86.9 1.12 s 5.9 mb 90.52° 293.4° System-search
AE.MZR.--.HHZ 2017-08-27 04:31:22.619 50.5 0.82 s 6.0 mb 94.79° 292.8° System-search
II.UOSS.10.BHZ 2017-08-27 04:31:27.039 13.9 1.30 s 5.2 mb 92.29° 294.8° System-search
AE.MZR.--.HHZ 2017-08-27 04:31:27.289 1e+03 3.02 s 6.4 mB_BB 94.79° 292.8° System-search
AE.SHM.--.HHZ 2017-08-27 04:31:28.029 32.7 0.88 s 5.7 mb 92.45° 296.0° System-search
AE.MSF.--.HHZ 2017-08-27 04:31:28.049 91.1 1.32 s 6.0 mb 92.34° 295.2° System-search
OM.ASH.--.HHZ 2017-08-27 04:31:28.210 28.3 1.60 s 5.4 mb 92.42° 294.5° System-search
DN.NAZ.--.HHZ 2017-08-27 04:31:33.109 294.6 2.66 s 5.9 mB_BB 92.79° 294.8° System-search
AE.ALN.--.HHZ 2017-08-27 04:31:33.160 729.5 2.46 s 6.2 mB_BB 92.70° 293.9° System-search
AE.ALN.--.HHZ 2017-08-27 04:31:36.240 44.4 1.22 s 5.7 mb 92.70° 293.9° System-search
DN.HAT.--.HHZ 2017-08-27 04:31:36.490 18.4 1.22 s 5.3 mb 92.36° 294.6° System-search
DN.NAZ.--.HHZ 2017-08-27 04:31:50.690 15.3 1.24 s 5.3 mb 92.79° 294.8° System-search
IU.TARA.00.BHZ 2017-08-27 04:34:59.536 7e+04 7.85 s 6.7 Ms_BB 24.93° 84.0° System-search
II.MSVF.00.BHZ 2017-08-27 04:35:17.085 2e+04 26.55 s 6.3 Ms_BB 33.63° 120.9° System-search
II.ERM.00.BHZ 2017-08-27 04:40:39.113 8e+03 20.55 s 6.1 Ms_BB 43.36° 354.6° System-search
IU.NWAO.00.BHZ 2017-08-27 04:44:37.003 2e+04 16.30 s 6.4 Ms_BB 42.79° 219.5° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.DAV.00.BHZ P 2017-08-27 04:23:07.799 2.00 s 23.99° 290.6° no Time System-search
IU.TARA.00.BHZ P 2017-08-27 04:23:14.220 -0.20 s 24.93° 84.0° no Time System-search
II.KAPI.00.BHZ P 2017-08-27 04:23:47.759 0.50 s 28.57° 262.0° yes Time System-search
II.MSVF.00.BHZ P 2017-08-27 04:24:31.430 -0.40 s 33.63° 120.9° no Time System-search
II.TAU.00.BHZ P 2017-08-27 04:25:37.390 0 s 41.43° 180.9° no Time System-search
IU.NWAO.00.BHZ P 2017-08-27 04:25:47.839 -1.00 s 42.79° 219.5° no Time System-search
II.ERM.00.BHZ P 2017-08-27 04:25:48.700 -4.50 s 43.36° 354.6° no Time System-search
IU.PET.00.BHZ P 2017-08-27 04:27:21.440 0.40 s 54.85° 7.8° no Time System-search
IU.POHA.00.BHZ P 2017-08-27 04:27:52.319 0.50 s 59.05° 66.1° no Time System-search
IU.MAKZ.00.BHZ P 2017-08-27 04:29:31.289 -0.40 s 74.86° 319.4° no Time System-search
II.KURK.00.BHZ P 2017-08-27 04:29:50.819 0.50 s 78.17° 322.5° no Time System-search
II.NIL.00.BHZ P 2017-08-27 04:29:51.380 0.70 s 78.15° 304.6° no Time System-search
II.AAK.00.BHZ P 2017-08-27 04:29:55.410 0.60 s 78.90° 313.8° no Time System-search
IU.COLA.00.BHZ P 2017-08-27 04:30:01.990 -0.30 s 80.41° 22.9° no Time System-search
IU.KBL.--.BHZ P 2017-08-27 04:30:10.190 -0.20 s 81.75° 305.0° no Time System-search
II.BRVK.00.BHZ P 2017-08-27 04:30:19.609 -0.40 s 83.74° 323.6° no Time System-search
OM.BID.--.HHZ P 2017-08-27 04:30:53.670 0 s 90.52° 293.4° no Time System-search
OM.SOH.--.HHZ P 2017-08-27 04:30:59.890 -0.50 s 91.99° 294.0° no Time System-search
II.UOSS.10.BHZ P 2017-08-27 04:31:00.920 -0.90 s 92.29° 294.8° no Time System-search
DN.HAT.--.HHZ P 2017-08-27 04:31:02.000 -0.20 s 92.36° 294.6° yes Time System-search
OM.ASH.--.HHZ P 2017-08-27 04:31:02.069 -0.40 s 92.42° 294.5° yes Time System-search
AE.SHM.--.HHZ P 2017-08-27 04:31:02.119 -0.40 s 92.45° 296.0° yes Time System-search
AE.MSF.--.HHZ P 2017-08-27 04:31:02.140 0.10 s 92.34° 295.2° yes Time System-search
AE.ALN.--.HHZ P 2017-08-27 04:31:04.130 0.40 s 92.70° 293.9° yes Time System-search
DN.NAZ.--.HHZ P 2017-08-27 04:31:04.839 0.70 s 92.79° 294.8° yes Time System-search
AE.MZR.--.HHZ P 2017-08-27 04:31:13.119 -0.20 s 94.79° 292.8° yes Time System-search
IU.GNI.00.BHZ Pdif 2017-08-27 04:31:42.630 1.10 s 101.07° 310.5° no Time System-search
GO.AKH.--.HHZ Pdif 2017-08-27 04:31:45.589 0.70 s 101.83° 312.0° yes Time System-search
IU.LSZ.00.BHZ PKPdf 2017-08-27 04:36:39.809 0 s 118.40° 251.9° yes Time System-search
II.BFO.00.BHZ PKPdf 2017-08-27 04:36:44.849 -0.50 s 121.76° 329.6° no Time System-search
CU.TGUH.00.BHZ PKPdf 2017-08-27 04:36:51.200 1.20 s 123.80° 74.0° yes Time System-search
GT.PLCA.00.BHZ PKPdf 2017-08-27 04:36:53.400 0.90 s 125.33° 144.4° yes Time System-search
IU.TSUM.10.BHZ PKPdf 2017-08-27 04:36:58.390 1.40 s 127.36° 244.6° yes Time System-search
IU.OTAV.00.BHZ PKPdf 2017-08-27 04:37:10.759 1.70 s 133.41° 90.9° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170827-6

Time: 2017-08-27 04:17:50.330
Position:1.3081°S, 148.1297°E
Place:South Pacfic Ocean
Major Place:918 km N of Port Moresby, Papua New Guinea
Depth:7.6 km
Magnitude:6.2 Mwb