Earthquake 20170809-2

2017-08-09 05:48:33.200 50.8 km 5.4 Mwr
53.0132°N, 170.0153°W
Bering Sea
2258 km SW of Whitehorse, Canada
Time Error: 2.12 s Depth Error: 13.5 km
Num. Stations: 33 Time RMS: 1.05 s
Num. Phases: 33 Azimuth Gap: 162°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
5.5 ML 2 0.30 NCMS System-search
5.6 mb 31 0.10 NCMS System-search
5.6 M 40 0.30 NCMS System-search
4.9 Ms_BB 1 0.40 NCMS System-search
5.8 mB_BB 9 0.20 NCMS System-search
6.3 Mwb 20 0.10 NCMS System-search
Emblem-favorite 5.4 Mwr 6 0.10 NCMS System-search
5.4 Mwr 0 0 NCMS System-search
5.4 M 0 0 NCMS System-search

Origin Details

Ellipse Major:13.20 km Min. Distance:4.23° Fixed Depth:no
Ellipse Minor:9.10 km Max. Distance:145.74° Fixed Phase:no
Ellipse Strike:176.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@17263 External Origin ID:HYDRA_RED@34641

Error Ellipse

Azimuth Dip Magnitude Action
Max 179° 22° 32.4 km System-search
Intermediate 277° 18° 21.7 km System-search
Min 42° 60° 17.0 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 20 100% 0.68 131.0 km 3e+18 nt-m NP1
NP2
47.0
317.0
70.0
89.0
-179.0
-20.0
-4.59e+16 6.85e+17 -8.19e+17 2.97e+18 -2e+17 -2.92e+18 System-search
Ffffffff RMT 6 42% 0.56 31.0 km 1e+17 nt-m NP1
NP2
258.0
70.0
24.0
66.0
-83.0
-93.0
-7.48e+16 -8.06e+16 -2.82e+16 1.05e+17 4.44e+16 -3.03e+16 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.ADK.00.BHZ 2017-08-09 05:50:38.791 2e+04 3.60 s 4.9 Ms_BB 4.23° 257.2° System-search
IU.ADK.00.BH2 2017-08-09 05:50:48.660 5e+03 1.20 s 5.5 ML 4.23° 257.2° System-search
IU.COLA.00.BHZ 2017-08-09 05:52:34.710 67.5 1.00 s 4.7 mb 16.37° 34.8° System-search
IU.PET.00.BHZ 2017-08-09 05:52:57.390 271.1 1.20 s 5.3 mb 18.78° 282.7° System-search
II.ERM.00.BHZ 2017-08-09 05:55:04.059 1e+03 1.00 s 5.8 mB_BB 32.92° 269.7° System-search
II.ERM.00.BHZ 2017-08-09 05:55:04.559 108.0 0.90 s 5.7 mb 32.92° 269.7° System-search
IU.KEV.00.BHZ 2017-08-09 05:58:13.359 405.1 1.40 s 5.6 mB_BB 56.91° 353.0° System-search
IU.KEV.00.BHZ 2017-08-09 05:58:13.910 45.7 1.10 s 5.4 mb 56.91° 353.0° System-search
II.KURK.00.BHZ 2017-08-09 05:58:48.410 33.6 0.80 s 5.5 mb 61.63° 317.8° System-search
II.BRVK.00.BHZ 2017-08-09 05:58:56.259 450.2 1.90 s 5.8 mB_BB 62.96° 324.0° System-search
IU.MAKZ.00.BHZ 2017-08-09 05:58:57.664 22.8 0.95 s 5.3 mb 63.20° 313.0° System-search
II.BRVK.00.BHZ 2017-08-09 05:58:58.210 39.5 0.90 s 5.5 mb 62.96° 324.0° System-search
II.AAK.00.BHZ 2017-08-09 05:59:40.109 1e+03 1.00 s 6.1 mB_BB 69.76° 314.9° System-search
II.AAK.00.BHZ 2017-08-09 05:59:40.559 194.2 1.10 s 5.9 mb 69.76° 314.9° System-search
II.ESK.00.BHZ 2017-08-09 05:59:49.259 47.7 0.90 s 5.4 mb 71.49° 7.9° System-search
CU.TGUH.00.BHZ 2017-08-09 06:00:13.795 94.3 1.40 s 5.5 mb 74.55° 87.0° System-search
IU.KBL.--.BHZ 2017-08-09 06:00:31.519 788.2 1.10 s 5.8 mB_BB 78.86° 313.9° System-search
IU.KBL.--.BHZ 2017-08-09 06:00:31.994 83.1 0.95 s 5.7 mb 78.86° 313.9° System-search
II.BFO.00.BHZ 2017-08-09 06:00:32.660 8.2 1.20 s 4.5 mb 79.02° 1.1° System-search
II.KIV.00.BHZ 2017-08-09 06:00:36.509 193.1 1.00 s 6.0 mb 79.40° 336.7° System-search
GO.AKH.--.HHZ 2017-08-09 06:00:48.220 51.8 1.36 s 5.3 mb 81.60° 335.2° System-search
IU.GNI.00.BHZ 2017-08-09 06:00:52.609 588.8 1.40 s 5.8 mB_BB 82.46° 333.9° System-search
IU.GNI.00.BHZ 2017-08-09 06:00:53.109 54.2 1.10 s 5.5 mb 82.46° 333.9° System-search
II.KAPI.00.BHZ 2017-08-09 06:01:00.710 536.5 2.20 s 5.7 mB_BB 82.28° 251.3° System-search
II.KAPI.00.BHZ 2017-08-09 06:01:01.059 147.0 2.00 s 5.7 mb 82.28° 251.3° System-search
IU.ANTO.00.BHZ 2017-08-09 06:01:08.134 63.0 1.20 s 5.7 mb 85.41° 342.6° System-search
AE.MSF.--.HHZ 2017-08-09 06:01:37.690 44.3 1.04 s 5.8 mb 92.23° 319.3° System-search
II.UOSS.10.BHZ 2017-08-09 06:01:38.910 11.7 1.00 s 5.3 mb 92.60° 319.1° System-search
DN.HAT.--.HHZ 2017-08-09 06:01:39.849 15.9 0.92 s 5.4 mb 92.73° 319.1° System-search
DN.NAZ.--.HHZ 2017-08-09 06:01:40.009 24.2 1.02 s 5.6 mb 92.77° 319.6° System-search
OM.ASH.--.HHZ 2017-08-09 06:01:40.579 19.8 1.02 s 5.5 mb 92.89° 319.1° System-search
OM.SOH.--.HHZ 2017-08-09 06:01:42.190 15.6 1.14 s 5.3 mb 93.19° 318.5° System-search
DN.ASU.--.HHZ 2017-08-09 06:01:42.700 288.0 1.04 s 6.6 mb 93.23° 319.7° System-search
AE.ALN.--.HHZ 2017-08-09 06:01:43.880 42.3 0.86 s 5.9 mb 93.57° 319.1° System-search
BH.SAK.--.HHZ 2017-08-09 06:01:45.480 24.5 0.98 s 5.6 mb 93.79° 324.2° System-search
GE.EIL.--.BHZ 2017-08-09 06:01:50.539 26.4 1.20 s 5.5 mb 94.83° 338.4° System-search
AE.MZR.--.HHZ 2017-08-09 06:01:53.380 113.9 1.40 s 6.2 mb 95.41° 320.6° System-search
AE.SHM.--.HHZ 2017-08-09 06:03:03.210 59.1 0.52 s 6.3 mb 91.59° 319.8° System-search
AE.SHM.--.HHZ 2017-08-09 06:03:10.930 1e+03 0.44 s 6.5 mB_BB 91.59° 319.8° System-search
IU.OTAV.00.BHZ 2017-08-09 06:03:20.259 29.4 1.60 s 5.4 mb 90.76° 88.4° System-search
DN.FAQ.--.HHZ 2017-08-09 06:04:34.759 219.7 1.96 s 6.3 mb 93.02° 319.5° System-search
AE.MZR.--.HHZ 2017-08-09 06:05:31.750 2e+03 0.20 s 6.7 mB_BB 95.41° 320.6° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.ADK.00.BHZ Pn 2017-08-09 05:49:35.759 0.60 s 4.23° 257.2° yes Time System-search
IU.COLA.00.BHZ Pn 2017-08-09 05:52:15.759 -3.40 s 16.37° 34.8° yes Time System-search
IU.PET.00.BHZ P 2017-08-09 05:52:51.039 3.10 s 18.78° 282.7° yes Time System-search
II.ERM.00.BHZ P 2017-08-09 05:55:03.109 0.70 s 32.92° 269.7° yes Time System-search
IU.KEV.00.BHZ P 2017-08-09 05:58:12.759 0.50 s 56.91° 353.0° yes Time System-search
II.KURK.00.BHZ P 2017-08-09 05:58:45.910 0.80 s 61.63° 317.8° yes Time System-search
II.BRVK.00.BHZ P 2017-08-09 05:58:54.660 0.60 s 62.96° 324.0° yes Time System-search
IU.MAKZ.00.BHZ P 2017-08-09 05:58:56.339 0.50 s 63.20° 313.0° yes Time System-search
II.AAK.00.BHZ P 2017-08-09 05:59:38.809 0.90 s 69.76° 314.9° yes Time System-search
II.ESK.00.BHZ P 2017-08-09 05:59:47.009 -0.90 s 71.49° 7.9° yes Time System-search
CU.TGUH.00.BHZ P 2017-08-09 06:00:07.819 1.20 s 74.55° 87.0° yes Time System-search
IU.KBL.--.BHZ P 2017-08-09 06:00:30.970 0 s 78.86° 313.9° yes Time System-search
II.BFO.00.BHZ P 2017-08-09 06:00:31.410 0 s 79.02° 1.1° yes Time System-search
II.KIV.00.BHZ P 2017-08-09 06:00:34.809 1.20 s 79.40° 336.7° yes Time System-search
GO.AKH.--.HHZ P 2017-08-09 06:00:47.490 1.90 s 81.60° 335.2° yes Time System-search
II.KAPI.00.BHZ P 2017-08-09 06:00:47.559 -1.60 s 82.28° 251.3° yes Time System-search
IU.GNI.00.BHZ P 2017-08-09 06:00:52.309 2.20 s 82.46° 333.9° yes Time System-search
IU.ANTO.00.BHZ P 2017-08-09 06:01:07.359 2.40 s 85.41° 342.6° yes Time System-search
IU.OTAV.00.BHZ P 2017-08-09 06:01:32.710 1.40 s 90.76° 88.4° yes Time System-search
AE.SHM.--.HHZ P 2017-08-09 06:01:34.170 -0.40 s 91.59° 319.8° yes Time System-search
AE.MSF.--.HHZ P 2017-08-09 06:01:37.460 -0.10 s 92.23° 319.3° yes Time System-search
II.UOSS.10.BHZ P 2017-08-09 06:01:37.759 -1.50 s 92.60° 319.1° yes Time System-search
DN.HAT.--.HHZ P 2017-08-09 06:01:39.309 -0.50 s 92.73° 319.1° yes Time System-search
DN.FAQ.--.HHZ P 2017-08-09 06:01:39.529 -1.60 s 93.02° 319.5° yes Time System-search
DN.NAZ.--.HHZ P 2017-08-09 06:01:39.849 -0.20 s 92.77° 319.6° yes Time System-search
OM.ASH.--.HHZ P 2017-08-09 06:01:39.910 -0.70 s 92.89° 319.1° yes Time System-search
OM.SOH.--.HHZ P 2017-08-09 06:01:40.980 -1.00 s 93.19° 318.5° yes Time System-search
DN.ASU.--.HHZ P 2017-08-09 06:01:41.940 -0.20 s 93.23° 319.7° yes Time System-search
AE.ALN.--.HHZ P 2017-08-09 06:01:43.329 -0.40 s 93.57° 319.1° yes Time System-search
BH.SAK.--.HHZ P 2017-08-09 06:01:44.160 -0.50 s 93.79° 324.2° yes Time System-search
GE.EIL.--.BHZ P 2017-08-09 06:01:49.640 0.20 s 94.83° 338.4° yes Time System-search
AE.MZR.--.HHZ P 2017-08-09 06:01:52.000 -0.10 s 95.41° 320.6° yes Time System-search
IU.TSUM.10.BHZ PKPdf 2017-08-09 06:08:05.440 -0.60 s 145.74° 347.3° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170809-2

Time: 2017-08-09 05:48:33.200
Position:53.0132°N, 170.0153°W
Place:Bering Sea
Major Place:2258 km SW of Whitehorse, Canada
Depth:50.8 km
Magnitude:5.4 Mwr