Earthquake 20170121-8

2017-01-21 18:11:01.950 12.2 km 5.2 Mb
40.9637°N, 142.2498°E
North Pacific Ocean
247 km S of Sapporo, Japan
Time Error: 0.37 s Depth Error: 112.9 km
Num. Stations: 14 Time RMS: 0.18 s
Num. Phases: 14 Azimuth Gap: 252°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.2 Mb 7 1.0 NCMS System-search
4.2 Md 1 1.0 NCMS System-search
4.4 mblg 1 1.0 NCMS System-search

Origin Details

Ellipse Major:51.00 km Min. Distance:1.25° Fixed Depth:no
Ellipse Minor:10.90 km Max. Distance:75.03° Fixed Phase:no
Ellipse Strike:164.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@20621 External Origin ID:HYDRA_RED@85041

Error Ellipse

Azimuth Dip Magnitude Action
Max 349° 57° 199.1 km System-search
Intermediate 146° 30° 63.3 km System-search
Min 242° 10° 17.5 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.ERM.00.BHZ 2017-01-21 18:11:44.292 9e+04 0.75 s 4.4 mblg 1.25° 32.7° System-search
II.ERM.00.BHZ 2017-01-21 18:14:32.460 187.3 s 4.2 Md 1.25° 32.7° System-search
IU.MAKZ.00.BHZ 2017-01-21 18:19:00.259 369.0 0.90 s 4.9 Mb 42.87° 298.0° System-search
IU.COLA.00.BHZ 2017-01-21 18:19:20.009 281.5 0.80 s 4.8 Mb 45.38° 34.0° System-search
II.BRVK.00.BHZ 2017-01-21 18:19:44.259 661.0 0.90 s 5.2 Mb 48.49° 310.0° System-search
II.AAK.00.BHZ 2017-01-21 18:19:50.740 701.0 0.50 s 5.5 Mb 49.26° 295.0° System-search
IU.KBL.--.BHZ 2017-01-21 18:20:44.940 326.5 0.85 s 5.1 Mb 56.67° 288.0° System-search
II.KIV.00.BHZ 2017-01-21 18:22:06.759 1e+03 0.90 s 6.1 Mb 68.79° 310.0° System-search
GO.AKH.--.HHZ 2017-01-21 18:22:12.960 200.0 0.88 s 4.9 Mb 69.85° 307.0° System-search
II.FFC.00.BHZ 2017-01-21 18:22:13.609 872.0 2.90 s 5.4 Mb 69.98° 33.0° System-search
AE.SHM.--.HHZ 2017-01-21 18:22:17.519 351.5 0.78 s 5.5 Mb 70.64° 288.0° System-search
AE.ALN.--.HHZ 2017-01-21 18:22:26.470 131.5 0.82 s 5.0 Mb 72.11° 286.0° System-search
UE.UMZA.--.HHZ 2017-01-21 18:22:33.160 69.5 0.94 s 5.1 Mb 73.36° 285.0° System-search
AE.MZR.--.HHZ 2017-01-21 18:22:39.480 287.5 0.88 s 5.3 Mb 74.40° 286.0° System-search
UE.SLWR.--.HHZ 2017-01-21 18:22:43.690 142.5 0.84 s 5.4 Mb 75.03° 288.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.ERM.00.BHZ Pn 2017-01-21 18:11:25.210 0 s c 1.25° 32.0° yes Time System-search
IU.MAKZ.00.BHZ P 2017-01-21 18:19:00.259 0.10 s c 42.87° 298.0° yes Time System-search
IU.COLA.00.BHZ P 2017-01-21 18:19:20.009 -0.20 s c 45.38° 34.0° yes Time System-search
II.BRVK.00.BHZ P 2017-01-21 18:19:44.259 -0.30 s c 48.49° 310.0° yes Time System-search
II.AAK.00.BHZ P 2017-01-21 18:19:50.740 0 s 49.26° 295.0° no Time System-search
IU.KBL.--.BHZ P 2017-01-21 18:20:44.940 -0.50 s c 56.67° 288.0° yes Time System-search
II.KIV.00.BHZ P 2017-01-21 18:22:06.759 0.50 s c 68.79° 310.0° yes Time System-search
GO.AKH.--.HHZ P 2017-01-21 18:22:12.960 0 s 69.85° 307.0° no Time System-search
II.FFC.00.BHZ P 2017-01-21 18:22:13.609 0.10 s 69.98° 33.0° no Time System-search
AE.SHM.--.HHZ P 2017-01-21 18:22:17.519 0 s c 70.64° 288.0° yes Time System-search
AE.ALN.--.HHZ P 2017-01-21 18:22:26.470 0 s c 72.11° 286.0° yes Time System-search
UE.UMZA.--.HHZ P 2017-01-21 18:22:33.160 -0.70 s c 73.36° 285.0° yes Time System-search
AE.MZR.--.HHZ P 2017-01-21 18:22:39.480 -0.50 s c 74.40° 286.0° yes Time System-search
UE.SLWR.--.HHZ P 2017-01-21 18:22:43.690 0.10 s 75.03° 288.0° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170121-8

Time: 2017-01-21 18:11:01.950
Position:40.9637°N, 142.2498°E
Place:North Pacific Ocean
Major Place:247 km S of Sapporo, Japan
Depth:12.2 km
Magnitude:5.2 Mb