Earthquake 20170420-4

2017-04-20 15:20:44.290 35.2 km 5.3 Mb
49.3967°N, 155.9369°E
North Pacific Ocean
1320 km NE of Sapporo, Japan
Time Error: 1.15 s Depth Error: 14.8 km
Num. Stations: 28 Time RMS: 0.57 s
Num. Phases: 28 Azimuth Gap: 193°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.3 Mb 14 1.0 NCMS System-search
4.5 mblg 1 1.0 NCMS System-search

Origin Details

Ellipse Major:18.40 km Min. Distance:4.01° Fixed Depth:no
Ellipse Minor:6.20 km Max. Distance:85.33° Fixed Phase:no
Ellipse Strike:141.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Known Earthquake
External Event ID:HYDRA_RED@23231 External Origin ID:HYDRA_RED@97682

Error Ellipse

Azimuth Dip Magnitude Action
Max 141° 43.4 km System-search
Intermediate 358° 78° 21.8 km System-search
Min 232° 14.4 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.PET.00.BHZ 2017-04-20 15:22:47.248 3e+04 1.05 s 4.5 mblg 4.01° 24.1° System-search
IU.COLA.00.BHZ 2017-04-20 15:27:13.759 916.5 1.10 s 5.2 Mb 32.84° 40.0° System-search
II.KURK.00.BHZ 2017-04-20 15:29:14.720 1e+03 0.90 s 5.4 Mb 47.45° 302.0° System-search
IU.MAKZ.00.BHZ 2017-04-20 15:29:15.609 176.5 0.80 s 4.8 Mb 47.56° 296.0° System-search
II.BRVK.00.BHZ 2017-04-20 15:29:39.150 614.0 0.90 s 5.1 Mb 50.63° 308.0° System-search
II.AAK.00.BHZ 2017-04-20 15:30:07.380 368.0 1.00 s 5.3 Mb 54.31° 296.0° System-search
II.FFC.00.BHZ 2017-04-20 15:30:29.440 530.0 1.60 s 5.1 Mb 57.42° 42.0° System-search
IU.KBL.--.BHZ 2017-04-20 15:31:05.609 255.5 1.30 s 5.1 Mb 62.79° 292.0° System-search
II.KIV.00.BHZ 2017-04-20 15:31:54.690 428.0 0.90 s 5.5 Mb 70.20° 315.0° System-search
GO.AKH.--.HHZ 2017-04-20 15:32:04.529 439.5 1.02 s 5.1 Mb 71.78° 312.0° System-search
IU.GNI.00.BHZ 2017-04-20 15:32:07.660 1e+03 1.00 s 5.2 Mb 72.15° 311.0° System-search
II.ESK.00.BHZ 2017-04-20 15:32:16.960 1e+03 0.90 s 5.3 Mb 74.08° 347.0° System-search
OM.BAN.--.HHZ 2017-04-20 15:32:31.819 1e+03 0.90 s 5.8 Mb 76.62° 294.0° System-search
AE.MSF.--.HHZ 2017-04-20 15:32:35.039 381.0 0.94 s 5.4 Mb 77.12° 293.0° System-search
II.UOSS.10.BHZ 2017-04-20 15:32:35.440 903.5 0.95 s 5.2 Mb 77.41° 293.0° System-search
DN.HAT.--.HHZ 2017-04-20 15:32:36.740 384.0 0.90 s 5.4 Mb 77.54° 293.0° System-search
DN.NAZ.--.HHZ 2017-04-20 15:32:37.789 372.5 0.94 s 5.4 Mb 77.70° 293.0° System-search
OM.ASH.--.HHZ 2017-04-20 15:32:37.950 256.0 1.10 s 5.2 Mb 77.69° 293.0° System-search
OM.SOH.--.HHZ 2017-04-20 15:32:38.309 130.0 0.96 s 4.9 Mb 77.82° 292.0° System-search
DN.FAQ.--.HHZ 2017-04-20 15:32:38.819 767.0 2.42 s 6.3 Mb 77.92° 293.0° System-search
IU.ANTO.00.BHZ 2017-04-20 15:32:39.390 466.0 0.85 s 5.1 Mb 77.87° 318.0° System-search
DN.ASU.--.HHZ 2017-04-20 15:32:41.160 1e+03 2.68 s 6.5 Mb 78.17° 293.0° System-search
AE.ALN.--.HHZ 2017-04-20 15:32:41.210 823.5 0.90 s 5.7 Mb 78.34° 293.0° System-search
II.BFO.00.BHZ 2017-04-20 15:32:42.210 745.5 0.90 s 4.5 Mb 78.59° 338.0° System-search
UE.UMZA.--.HHZ 2017-04-20 15:32:48.230 585.0 0.90 s 5.9 Mb 79.71° 292.0° System-search
AE.MZR.--.HHZ 2017-04-20 15:32:52.839 1e+03 0.94 s 5.9 Mb 80.50° 294.0° System-search
GE.EIL.--.BHZ 2017-04-20 15:33:18.240 557.0 0.90 s 5.5 Mb 85.33° 311.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.PET.00.BHZ Pn 2017-04-20 15:21:43.339 0.20 s c 4.01° 24.0° yes Time System-search
II.ERM.00.BHZ Pn 2017-04-20 15:23:27.109 0.20 s c 11.57° 235.0° yes Time System-search
IU.COLA.00.BHZ P 2017-04-20 15:27:13.759 -0.60 s c 32.84° 40.0° yes Time System-search
II.KURK.00.BHZ P 2017-04-20 15:29:14.720 -0.70 s 47.45° 302.0° no Time System-search
IU.MAKZ.00.BHZ P 2017-04-20 15:29:15.609 -0.80 s 47.56° 296.0° no Time System-search
II.BRVK.00.BHZ P 2017-04-20 15:29:39.150 -0.70 s 50.63° 308.0° no Time System-search
II.AAK.00.BHZ P 2017-04-20 15:30:07.380 0 s 54.31° 296.0° no Time System-search
II.FFC.00.BHZ P 2017-04-20 15:30:29.440 0 s 57.42° 42.0° no Time System-search
IU.KBL.--.BHZ P 2017-04-20 15:31:05.609 -0.90 s 62.79° 292.0° no Time System-search
II.KIV.00.BHZ P 2017-04-20 15:31:54.690 0.90 s 70.20° 315.0° no Time System-search
GO.AKH.--.HHZ P 2017-04-20 15:32:04.529 1.00 s 71.78° 312.0° no Time System-search
IU.GNI.00.BHZ P 2017-04-20 15:32:07.660 1.90 s c 72.15° 311.0° yes Time System-search
II.ESK.00.BHZ P 2017-04-20 15:32:16.960 0.10 s c 74.08° 347.0° yes Time System-search
OM.BAN.--.HHZ P 2017-04-20 15:32:31.819 0.30 s c 76.62° 294.0° yes Time System-search
AE.MSF.--.HHZ P 2017-04-20 15:32:35.039 0.70 s c 77.12° 293.0° yes Time System-search
II.UOSS.10.BHZ P 2017-04-20 15:32:35.440 -0.50 s c 77.41° 293.0° yes Time System-search
DN.HAT.--.HHZ P 2017-04-20 15:32:36.740 0.10 s c 77.54° 293.0° yes Time System-search
DN.NAZ.--.HHZ P 2017-04-20 15:32:37.789 0.20 s c 77.70° 293.0° yes Time System-search
OM.ASH.--.HHZ P 2017-04-20 15:32:37.950 0.40 s c 77.69° 293.0° yes Time System-search
OM.SOH.--.HHZ P 2017-04-20 15:32:38.309 0.10 s c 77.82° 292.0° yes Time System-search
DN.FAQ.--.HHZ P 2017-04-20 15:32:38.819 0 s c 77.92° 293.0° yes Time System-search
IU.ANTO.00.BHZ P 2017-04-20 15:32:39.390 0.70 s c 77.87° 318.0° yes Time System-search
DN.ASU.--.HHZ P 2017-04-20 15:32:41.160 1.00 s c 78.17° 293.0° yes Time System-search
AE.ALN.--.HHZ P 2017-04-20 15:32:41.210 0.10 s c 78.34° 293.0° yes Time System-search
II.BFO.00.BHZ P 2017-04-20 15:32:42.210 -0.40 s c 78.59° 338.0° yes Time System-search
UE.UMZA.--.HHZ P 2017-04-20 15:32:48.230 -0.40 s c 79.71° 292.0° yes Time System-search
AE.MZR.--.HHZ P 2017-04-20 15:32:52.839 0 s c 80.50° 294.0° yes Time System-search
GE.EIL.--.BHZ P 2017-04-20 15:33:18.240 0.30 s c 85.33° 311.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170420-4

Time: 2017-04-20 15:20:44.290
Position:49.3967°N, 155.9369°E
Place:North Pacific Ocean
Major Place:1320 km NE of Sapporo, Japan
Depth:35.2 km
Magnitude:5.3 Mb