Earthquake 20171008-1

2017-10-08 01:38:06.130 74.7 km 5.0 mb
42.2824°N, 142.6512°E
139 km SE of Sapporo, Japan
Time Error: 0.46 s Depth Error: 20.7 km
Num. Stations: 21 Time RMS: 0.23 s
Num. Phases: 21 Azimuth Gap: 332°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.0 mb 21 0.10 NCMS System-search
5.2 M 25 0.30 NCMS System-search
5.6 mB_BB 4 0.30 NCMS System-search
5.0 mb 0 0 NCMS System-search
5.0 M 0 0 NCMS System-search

Origin Details

Ellipse Major:62.70 km Min. Distance:42.54° Fixed Depth:no
Ellipse Minor:31.50 km Max. Distance:75.95° Fixed Phase:no
Ellipse Strike:95.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@19007 External Origin ID:HYDRA_RED@37964

Error Ellipse

Azimuth Dip Magnitude Action
Max 275° 147.0 km System-search
Intermediate 74.4 km System-search
Min 176° 82° 30.1 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2017-10-08 01:45:56.059 276.5 0.60 s 5.2 mB_BB 42.54° 297.7° System-search
IU.MAKZ.00.BHZ 2017-10-08 01:45:56.184 22.1 0.60 s 5.2 mb 42.54° 297.7° System-search
II.KURK.00.BHZ 2017-10-08 01:46:05.609 583.9 0.50 s 5.6 mB_BB 43.61° 304.1° System-search
II.KURK.00.BHZ 2017-10-08 01:46:06.009 51.2 0.70 s 5.5 mb 43.61° 304.1° System-search
II.BRVK.00.BHZ 2017-10-08 01:46:43.660 15.4 0.40 s 5.3 mb 47.92° 309.3° System-search
II.AAK.00.BHZ 2017-10-08 01:46:48.160 463.9 0.40 s 5.7 mB_BB 48.99° 294.9° System-search
II.AAK.00.BHZ 2017-10-08 01:46:48.559 28.0 0.50 s 5.6 mb 48.99° 294.9° System-search
IU.KBL.--.BHZ 2017-10-08 01:47:45.210 13.9 0.70 s 5.2 mb 56.55° 288.4° System-search
II.KIV.00.BHZ 2017-10-08 01:49:02.700 52.5 0.90 s 5.5 mb 68.23° 310.1° System-search
AE.SHM.--.HHZ 2017-10-08 01:49:14.289 21.7 0.78 s 5.1 mb 70.54° 288.0° System-search
OM.BID.--.HHZ 2017-10-08 01:49:16.059 15.3 0.94 s 4.9 mb 70.67° 284.6° System-search
AE.MSF.--.HHZ 2017-10-08 01:49:17.069 9.2 0.72 s 4.8 mb 70.93° 287.3° System-search
II.UOSS.10.BHZ 2017-10-08 01:49:18.204 4.9 0.70 s 4.5 mb 71.16° 286.9° System-search
DN.HAT.--.HHZ 2017-10-08 01:49:19.329 6.3 0.70 s 4.7 mb 71.29° 286.9° System-search
OM.SOH.--.HHZ 2017-10-08 01:49:19.769 2.6 0.80 s 4.2 mb 71.43° 286.1° System-search
OM.ASH.--.HHZ 2017-10-08 01:49:20.259 3.7 0.86 s 4.3 mb 71.43° 286.8° System-search
AE.ALN.--.HHZ 2017-10-08 01:49:23.269 11.4 0.58 s 5.0 mb 72.03° 286.5° System-search
AE.MZR.--.HHZ 2017-10-08 01:49:36.309 427.9 0.64 s 5.5 mB_BB 74.32° 287.0° System-search
AE.MZR.--.HHZ 2017-10-08 01:49:36.740 35.3 0.62 s 5.4 mb 74.32° 287.0° System-search
BH.SAK.--.HHZ 2017-10-08 01:49:37.289 11.6 0.78 s 4.9 mb 74.49° 291.2° System-search
OM.SHA.--.HHZ 2017-10-08 01:49:47.480 7.2 0.88 s 4.6 mb 75.95° 281.7° System-search
IU.GNI.00.BHZ 2017-10-08 01:49:48.710 8.1 1.00 s 4.6 mb 69.38° 305.9° System-search
OM.MDH.--.HHZ 2017-10-08 01:50:23.069 4.3 0.96 s 4.3 mb 70.88° 287.2° System-search
DN.ASU.--.HHZ 2017-10-08 01:50:36.759 144.2 1.62 s 5.7 mb 71.98° 287.2° System-search
AE.SRB.--.HHZ 2017-10-08 01:51:01.279 71.4 1.12 s 5.5 mb 72.39° 288.3° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-10-08 01:45:54.059 -0.20 s 42.54° 297.7° yes Time System-search
II.KURK.00.BHZ P 2017-10-08 01:46:02.960 0.20 s 43.61° 304.1° yes Time System-search
II.BRVK.00.BHZ P 2017-10-08 01:46:36.759 0.10 s 47.92° 309.3° yes Time System-search
II.AAK.00.BHZ P 2017-10-08 01:46:45.259 0 s 48.99° 294.9° yes Time System-search
IU.KBL.--.BHZ P 2017-10-08 01:47:40.359 -0.80 s 56.55° 288.4° yes Time System-search
II.KIV.00.BHZ P 2017-10-08 01:48:58.750 0 s 68.23° 310.1° no Time System-search
IU.GNI.00.BHZ P 2017-10-08 01:49:05.849 -0.20 s 69.38° 305.9° no Time System-search
AE.SHM.--.HHZ P 2017-10-08 01:49:13.170 0 s 70.54° 288.0° no Time System-search
OM.BID.--.HHZ P 2017-10-08 01:49:13.980 0 s 70.67° 284.6° no Time System-search
OM.MDH.--.HHZ P 2017-10-08 01:49:14.960 -0.20 s 70.88° 287.2° no Time System-search
AE.MSF.--.HHZ P 2017-10-08 01:49:15.750 0.20 s 70.93° 287.3° no Time System-search
II.UOSS.10.BHZ P 2017-10-08 01:49:17.130 0.20 s 71.16° 286.9° no Time System-search
DN.HAT.--.HHZ P 2017-10-08 01:49:17.769 0 s 71.29° 286.9° no Time System-search
OM.ASH.--.HHZ P 2017-10-08 01:49:18.609 0 s 71.43° 286.8° no Time System-search
OM.SOH.--.HHZ P 2017-10-08 01:49:18.839 0.30 s 71.43° 286.1° no Time System-search
DN.ASU.--.HHZ P 2017-10-08 01:49:21.980 0.10 s 71.98° 287.2° no Time System-search
AE.ALN.--.HHZ P 2017-10-08 01:49:22.680 0.50 s 72.03° 286.5° no Time System-search
AE.SRB.--.HHZ P 2017-10-08 01:49:24.140 -0.10 s 72.39° 288.3° no Time System-search
AE.MZR.--.HHZ P 2017-10-08 01:49:35.650 0 s 74.32° 287.0° no Time System-search
BH.SAK.--.HHZ P 2017-10-08 01:49:36.450 -0.20 s 74.49° 291.2° no Time System-search
OM.SHA.--.HHZ P 2017-10-08 01:49:44.619 -0.50 s 75.95° 281.7° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20171008-1

Time: 2017-10-08 01:38:06.130
Position:42.2824°N, 142.6512°E
Place:
Major Place:139 km SE of Sapporo, Japan
Depth:74.7 km
Magnitude:5.0 mb