Earthquake 20170102-18

2017-01-02 21:24:15.530 7.4 km 4.9 Mb
41.1030°N, 141.7423°E
North Pacific Ocean
223 km S of Sapporo, Japan
Time Error: 0.77 s Depth Error: 94.9 km
Num. Stations: 19 Time RMS: 0.38 s
Num. Phases: 19 Azimuth Gap: 237°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 4.9 Mb 2 1.0 NCMS System-search
4.4 Md 1 1.0 NCMS System-search
4.6 mblg 1 1.0 NCMS System-search

Origin Details

Ellipse Major:37.80 km Min. Distance:1.40° Fixed Depth:no
Ellipse Minor:14.30 km Max. Distance:74.62° Fixed Phase:no
Ellipse Strike:162.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Known Earthquake
External Event ID:HYDRA_RED@20176 External Origin ID:HYDRA_RED@82812

Error Ellipse

Azimuth Dip Magnitude Action
Max 20° 73° 149.4 km System-search
Intermediate 154° 11° 84.1 km System-search
Min 247° 11° 16.9 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.ERM.00.BHZ 2017-01-02 21:25:01.699 2e+05 0.60 s 4.6 mblg 1.40° 48.9° System-search
II.ERM.00.BHZ 2017-01-02 21:28:41.410 240.0 s 4.4 Md 1.40° 48.9° System-search
IU.MAKZ.00.BHZ 2017-01-02 21:32:11.460 226.0 0.95 s 4.7 Mb 42.47° 298.0° System-search
IU.COLA.00.BHZ 2017-01-02 21:32:34.960 413.5 0.90 s 5.0 Mb 45.48° 34.0° System-search
II.BRVK.00.BHZ 2017-01-02 21:32:55.910 261.5 0.80 s 4.9 Mb 48.11° 309.0° System-search
IU.KBL.--.BHZ 2017-01-02 21:33:56.420 270.0 0.95 s 5.0 Mb 56.26° 288.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.ERM.00.BHZ Pn 2017-01-02 21:24:41.410 0 s c 1.40° 48.0° yes Time System-search
IU.MAKZ.00.BHZ P 2017-01-02 21:32:11.460 0.20 s c 42.47° 298.0° yes Time System-search
IU.COLA.00.BHZ P 2017-01-02 21:32:34.960 -0.40 s c 45.48° 34.0° yes Time System-search
II.BRVK.00.BHZ P 2017-01-02 21:32:55.910 0 s c 48.11° 309.0° yes Time System-search
II.NIL.00.BHZ P 2017-01-02 21:33:39.210 1.40 s c 53.65° 285.0° yes Time System-search
IU.KBL.--.BHZ P 2017-01-02 21:33:56.420 -0.50 s c 56.26° 288.0° yes Time System-search
II.KIV.00.BHZ P 2017-01-02 21:35:18.109 -0.10 s c 68.41° 309.0° yes Time System-search
GO.AKH.--.HHZ P 2017-01-02 21:35:25.640 0.70 s c 69.46° 307.0° yes Time System-search
IU.GNI.00.BHZ P 2017-01-02 21:35:25.710 0.80 s c 69.46° 305.0° yes Time System-search
AE.MSF.--.HHZ P 2017-01-02 21:35:31.869 0.10 s c 70.61° 287.0° yes Time System-search
II.UOSS.10.BHZ P 2017-01-02 21:35:32.839 -0.30 s c 70.84° 286.0° yes Time System-search
DN.HAT.--.HHZ P 2017-01-02 21:35:34.039 0.10 s c 70.96° 286.0° yes Time System-search
OM.SOH.--.HHZ P 2017-01-02 21:35:34.369 -0.30 s c 71.09° 285.0° yes Time System-search
OM.ASH.--.HHZ P 2017-01-02 21:35:34.779 0 s c 71.10° 286.0° yes Time System-search
DN.NAZ.--.HHZ P 2017-01-02 21:35:35.529 0.20 s c 71.20° 287.0° yes Time System-search
AE.ALN.--.HHZ P 2017-01-02 21:35:38.029 -0.30 s c 71.70° 286.0° yes Time System-search
DN.ASU.--.HHZ P 2017-01-02 21:35:38.180 0.10 s c 71.66° 286.0° yes Time System-search
AE.MZR.--.HHZ P 2017-01-02 21:35:51.250 -0.70 s c 73.99° 286.0° yes Time System-search
UE.SLWR.--.HHZ P 2017-01-02 21:35:54.640 -1.00 s c 74.62° 288.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170102-18

Time: 2017-01-02 21:24:15.530
Position:41.1030°N, 141.7423°E
Place:North Pacific Ocean
Major Place:223 km S of Sapporo, Japan
Depth:7.4 km
Magnitude:4.9 Mb