Earthquake 20170520-3

2017-05-20 01:21:44.890 55.4 km 4.9 mb
45.1030°N, 150.8720°E
North Pacific Ocean
793 km E of Sapporo, Japan
Time Error: 1.70 s Depth Error: 16.2 km
Num. Stations: 21 Time RMS: 0.84 s
Num. Phases: 21 Azimuth Gap: 205°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
4.3 Ms_BB 1 0.40 NCMS System-search
4.9 M 0 0 NCMS System-search
Emblem-favorite 4.9 mb 0 0 NCMS System-search
5.1 M 18 0.50 NCMS System-search
4.9 mb 18 0.10 NCMS System-search

Origin Details

Ellipse Major:25.70 km Min. Distance:6.40° Fixed Depth:no
Ellipse Minor:9.70 km Max. Distance:85.51° Fixed Phase:no
Ellipse Strike:158.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@16444 External Origin ID:HYDRA_RED@32139

Error Ellipse

Azimuth Dip Magnitude Action
Max 159° 14° 61.8 km System-search
Intermediate 252° 11° 22.9 km System-search
Min 18° 71° 19.7 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.ERM.00.BHZ 2017-05-20 01:24:47.539 3e+03 3.80 s 4.3 Ms_BB 6.40° 243.9° System-search
IU.COLA.00.BHZ 2017-05-20 01:29:01.660 10.0 0.70 s 4.8 mb 38.39° 37.0° System-search
IU.MAKZ.00.BHZ 2017-05-20 01:30:06.960 10.1 0.75 s 4.8 mb 46.51° 298.0° System-search
II.KURK.00.BHZ 2017-05-20 01:30:10.160 8.5 0.60 s 4.8 mb 46.98° 304.2° System-search
II.AAK.00.BHZ 2017-05-20 01:30:58.559 36.9 0.80 s 5.5 mb 53.16° 296.4° System-search
IU.KBL.--.BHZ 2017-05-20 01:31:54.085 43.5 0.75 s 5.7 mb 61.21° 291.3° System-search
II.BRVK.00.BHZ 2017-05-20 01:31:56.460 4.1 0.90 s 4.5 mb 50.74° 309.8° System-search
II.FFC.00.BHZ 2017-05-20 01:32:07.009 11.3 0.90 s 5.0 mb 63.00° 38.4° System-search
II.KIV.00.BHZ 2017-05-20 01:32:57.559 92.8 0.80 s 5.8 mb 70.81° 313.5° System-search
IU.GNI.00.BHZ 2017-05-20 01:33:12.359 26.9 1.00 s 5.1 mb 72.39° 309.5° System-search
AE.SHM.--.HHZ 2017-05-20 01:33:22.390 15.4 0.78 s 5.0 mb 75.18° 292.2° System-search
AE.MSF.--.HHZ 2017-05-20 01:33:24.980 9.3 0.72 s 4.8 mb 75.63° 291.6° System-search
II.UOSS.10.BHZ 2017-05-20 01:33:26.259 4.9 0.80 s 4.5 mb 75.89° 291.2° System-search
DN.HAT.--.HHZ 2017-05-20 01:33:27.460 5.8 0.84 s 4.5 mb 76.02° 291.2° System-search
IU.ANTO.00.BHZ 2017-05-20 01:33:42.990 10.4 0.85 s 4.8 mb 78.80° 316.3° System-search
AE.MZR.--.HHZ 2017-05-20 01:33:43.990 31.6 0.84 s 5.3 mb 79.03° 291.6° System-search
II.BFO.00.BHZ 2017-05-20 01:33:55.609 1.9 0.90 s 4.1 mb 81.33° 335.8° System-search
GE.EIL.--.BHZ 2017-05-20 01:34:18.240 9.0 0.70 s 5.0 mb 85.51° 308.4° System-search
DN.ASU.--.HHZ 2017-05-20 01:34:43.160 166.3 1.60 s 5.8 mb 76.69° 291.6° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.ERM.00.BHZ Pn 2017-05-20 01:23:16.559 0.10 s 6.40° 243.9° yes Time System-search
IU.COLA.00.BHZ P 2017-05-20 01:28:59.609 -0.70 s 38.39° 37.0° no Time System-search
IU.MAKZ.00.BHZ P 2017-05-20 01:30:05.609 -0.90 s 46.51° 298.0° yes Time System-search
II.KURK.00.BHZ P 2017-05-20 01:30:07.809 -2.30 s 46.98° 304.2° yes Time System-search
II.BRVK.00.BHZ P 2017-05-20 01:30:38.910 0 s 50.74° 309.8° yes Time System-search
II.AAK.00.BHZ P 2017-05-20 01:30:57.160 -0.10 s 53.16° 296.4° yes Time System-search
IU.KBL.--.BHZ P 2017-05-20 01:31:53.509 -0.70 s 61.21° 291.3° yes Time System-search
II.FFC.00.BHZ P 2017-05-20 01:32:05.609 0 s 63.00° 38.4° yes Time System-search
II.KIV.00.BHZ P 2017-05-20 01:32:55.809 0.30 s 70.81° 313.5° yes Time System-search
GO.AKH.--.HHZ P 2017-05-20 01:33:04.859 1.00 s 72.18° 311.2° yes Time System-search
IU.GNI.00.BHZ P 2017-05-20 01:33:06.210 1.10 s 72.39° 309.5° yes Time System-search
AE.SHM.--.HHZ P 2017-05-20 01:33:20.160 -1.30 s 75.18° 292.2° no Time System-search
AE.MSF.--.HHZ P 2017-05-20 01:33:22.930 -1.20 s 75.63° 291.6° no Time System-search
II.UOSS.10.BHZ P 2017-05-20 01:33:25.710 0.10 s 75.89° 291.2° yes Time System-search
DN.HAT.--.HHZ P 2017-05-20 01:33:27.230 0.90 s 76.02° 291.2° yes Time System-search
DN.ASU.--.HHZ P 2017-05-20 01:33:29.509 -0.60 s 76.69° 291.6° no Time System-search
AE.ALN.--.HHZ P 2017-05-20 01:33:31.230 0.50 s 76.79° 290.9° yes Time System-search
IU.ANTO.00.BHZ P 2017-05-20 01:33:42.490 0.80 s 78.80° 316.3° yes Time System-search
AE.MZR.--.HHZ P 2017-05-20 01:33:43.099 0 s 79.03° 291.6° yes Time System-search
II.BFO.00.BHZ P 2017-05-20 01:33:54.910 -0.30 s 81.33° 335.8° yes Time System-search
GE.EIL.--.BHZ P 2017-05-20 01:34:17.190 0.30 s 85.51° 308.4° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170520-3

Time: 2017-05-20 01:21:44.890
Position:45.1030°N, 150.8720°E
Place:North Pacific Ocean
Major Place:793 km E of Sapporo, Japan
Depth:55.4 km
Magnitude:4.9 mb