Earthquake 20170928-12

2017-09-28 11:29:47.070 17.7 km 5.2 mb
28.6937°N, 140.4505°E
Phillipine Sea
778 km S of Tokyo, Japan
Time Error: 2.75 s Depth Error: 12.1 km
Num. Stations: 20 Time RMS: 1.36 s
Num. Phases: 20 Azimuth Gap: 154°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.2 mb 20 0.10 NCMS System-search
5.3 M 41 0.10 NCMS System-search
5.4 mB_BB 11 0.20 NCMS System-search
5.4 Ms_BB 4 0.20 NCMS System-search
5.4 Mwp 7 0.10 NCMS System-search
5.2 mb 0 0 NCMS System-search
5.2 M 0 0 NCMS System-search

Origin Details

Ellipse Major:13.40 km Min. Distance:48.49° Fixed Depth:no
Ellipse Minor:9.10 km Max. Distance:81.19° Fixed Phase:no
Ellipse Strike:161.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18748 External Origin ID:HYDRA_RED@37486

Error Ellipse

Azimuth Dip Magnitude Action
Max 341° 31.4 km System-search
Intermediate 71° 21.4 km System-search
Min 204° 87° 18.4 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.ERM.00.BHZ 2017-09-28 11:37:51.623 6e+03 16.80 s 5.2 Ms_BB 13.47° 8.7° System-search
II.KURK.00.BHZ 2017-09-28 11:38:52.059 29.7 1.10 s 5.2 mb 50.77° 313.7° System-search
II.KURK.00.BHZ 2017-09-28 11:38:58.359 266.3 5.20 s 5.3 mB_BB 50.77° 313.7° System-search
II.AAK.00.BHZ 2017-09-28 11:39:25.710 22.2 1.10 s 5.1 mb 54.09° 303.8° System-search
II.BRVK.00.BHZ 2017-09-28 11:39:29.509 290.7 3.50 s 5.5 mB_BB 55.89° 316.8° System-search
II.BRVK.00.BHZ 2017-09-28 11:39:31.660 926.7 10.30 s 5.3 Mwp 55.89° 316.8° System-search
II.BRVK.00.BHZ 2017-09-28 11:39:32.910 13.9 1.00 s 4.9 mb 55.89° 316.8° System-search
IU.COLA.00.BHZ 2017-09-28 11:39:47.964 212.1 5.40 s 5.3 mB_BB 56.65° 29.0° System-search
IU.MAKZ.00.BHZ 2017-09-28 11:39:59.914 19.3 1.40 s 4.9 mb 48.50° 308.6° System-search
IU.COLA.00.BHZ 2017-09-28 11:40:05.740 11.6 1.25 s 4.8 mb 56.65° 29.0° System-search
IU.NWAO.00.BHZ 2017-09-28 11:40:28.009 94.5 1.40 s 5.8 mb 65.12° 201.5° System-search
OM.BID.--.HHZ 2017-09-28 11:41:21.670 87.0 1.40 s 5.6 mb 72.71° 287.8° System-search
II.UOSS.10.BHZ 2017-09-28 11:41:22.940 177.7 2.30 s 4.9 Mwp 73.72° 289.9° System-search
AE.MSF.--.HHZ 2017-09-28 11:41:23.099 989.0 3.29 s 5.4 Mwp 73.58° 290.3° System-search
AE.MSF.--.HHZ 2017-09-28 11:41:23.210 455.6 2.82 s 5.7 mB_BB 73.58° 290.3° System-search
II.UOSS.10.BHZ 2017-09-28 11:41:23.615 161.7 3.05 s 5.2 mB_BB 73.72° 289.9° System-search
OM.SOH.--.HHZ 2017-09-28 11:41:23.750 147.0 4.66 s 5.2 mB_BB 73.78° 289.0° System-search
DN.HAT.--.HHZ 2017-09-28 11:41:24.430 218.6 2.98 s 5.3 mB_BB 73.83° 289.8° System-search
AE.SHM.--.HHZ 2017-09-28 11:41:24.950 501.8 3.96 s 5.7 mB_BB 73.37° 291.1° System-search
AE.SHM.--.HHZ 2017-09-28 11:41:25.460 41.0 0.82 s 5.5 mb 73.37° 291.1° System-search
IU.COR.00.BHZ 2017-09-28 11:41:26.809 75.2 1.40 s 5.5 mb 74.58° 47.4° System-search
AE.MSF.--.HHZ 2017-09-28 11:41:27.000 20.3 0.82 s 5.2 mb 73.58° 290.3° System-search
AE.SHM.--.HHZ 2017-09-28 11:41:27.109 2e+03 9.85 s 5.6 Mwp 73.37° 291.1° System-search
OM.SOH.--.HHZ 2017-09-28 11:41:28.130 12.0 0.76 s 5.0 mb 73.78° 289.0° System-search
AE.ALN.--.HHZ 2017-09-28 11:41:28.299 1e+03 3.88 s 5.6 Mwp 74.46° 289.2° System-search
OM.ASH.--.HHZ 2017-09-28 11:41:28.470 155.3 1.20 s 5.2 mB_BB 73.95° 289.7° System-search
DN.HAT.--.HHZ 2017-09-28 11:41:29.869 15.4 1.02 s 5.0 mb 73.83° 289.8° System-search
OM.SOH.--.HHZ 2017-09-28 11:41:30.470 569.5 10.95 s 5.3 Mwp 73.78° 289.0° System-search
AE.ALN.--.HHZ 2017-09-28 11:41:31.460 601.1 3.38 s 5.8 mB_BB 74.46° 289.2° System-search
DN.FAQ.--.HHZ 2017-09-28 11:41:31.819 797.6 2.44 s 5.9 mB_BB 74.31° 290.0° System-search
AE.ALN.--.HHZ 2017-09-28 11:41:31.930 30.0 0.80 s 5.4 mb 74.46° 289.2° System-search
II.UOSS.10.BHZ 2017-09-28 11:41:32.890 6.2 0.95 s 4.6 mb 73.72° 289.9° System-search
DN.FAQ.--.HHZ 2017-09-28 11:41:42.799 127.5 1.40 s 5.8 mb 74.31° 290.0° System-search
AE.MZR.--.HHZ 2017-09-28 11:41:44.819 38.9 0.80 s 5.5 mb 76.80° 289.2° System-search
OM.ASH.--.HHZ 2017-09-28 11:41:46.380 26.5 1.46 s 5.1 mb 73.95° 289.7° System-search
IU.GNI.00.BHZ 2017-09-28 11:41:51.460 25.5 1.00 s 5.2 mb 76.13° 308.3° System-search
BH.SAK.--.HHZ 2017-09-28 11:41:52.049 13.0 0.86 s 5.0 mb 77.92° 293.1° System-search
II.FFC.00.BHZ 2017-09-28 11:42:01.210 23.1 0.80 s 5.3 mb 81.19° 31.3° System-search
OM.ASH.--.HHZ 2017-09-28 11:42:16.950 7e+03 55.58 s 6.1 Mwp 73.95° 289.7° System-search
IU.MAKZ.00.BHZ 2017-09-28 11:59:34.822 1e+03 16.33 s 5.4 Ms_BB 48.50° 308.6° System-search
II.KURK.00.BHZ 2017-09-28 12:03:00.244 1e+03 16.10 s 5.5 Ms_BB 50.77° 313.7° System-search
II.AAK.00.BHZ 2017-09-28 12:09:32.232 2e+03 13.85 s 5.6 Ms_BB 54.09° 303.8° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-09-28 11:38:32.190 3.40 s 48.50° 308.6° yes Time System-search
II.KURK.00.BHZ P 2017-09-28 11:38:43.809 -2.30 s 50.77° 313.7° yes Time System-search
II.AAK.00.BHZ P 2017-09-28 11:39:16.609 5.60 s 54.09° 303.8° yes Time System-search
II.BRVK.00.BHZ P 2017-09-28 11:39:21.359 -2.30 s 55.89° 316.8° yes Time System-search
IU.COLA.00.BHZ P 2017-09-28 11:39:28.839 0 s 56.65° 29.0° yes Time System-search
IU.NWAO.00.BHZ P 2017-09-28 11:40:26.809 0 s 65.12° 201.5° yes Time System-search
OM.BID.--.HHZ P 2017-09-28 11:41:14.400 0 s 72.71° 287.8° yes Time System-search
AE.SHM.--.HHZ P 2017-09-28 11:41:17.259 -1.00 s 73.37° 291.1° yes Time System-search
OM.SOH.--.HHZ P 2017-09-28 11:41:19.519 -1.20 s 73.78° 289.0° yes Time System-search
AE.MSF.--.HHZ P 2017-09-28 11:41:19.809 0.20 s 73.58° 290.3° yes Time System-search
DN.HAT.--.HHZ P 2017-09-28 11:41:20.579 -0.50 s 73.83° 289.8° yes Time System-search
II.UOSS.10.BHZ P 2017-09-28 11:41:20.640 0.20 s 73.72° 289.9° yes Time System-search
OM.ASH.--.HHZ P 2017-09-28 11:41:21.369 -0.40 s 73.95° 289.7° yes Time System-search
AE.ALN.--.HHZ P 2017-09-28 11:41:24.420 -0.30 s 74.46° 289.2° yes Time System-search
DN.FAQ.--.HHZ P 2017-09-28 11:41:25.059 1.20 s 74.31° 290.0° yes Time System-search
IU.COR.00.BHZ P 2017-09-28 11:41:25.859 0.80 s 74.58° 47.4° yes Time System-search
AE.MZR.--.HHZ P 2017-09-28 11:41:38.309 0.20 s 76.80° 289.2° yes Time System-search
IU.GNI.00.BHZ P 2017-09-28 11:41:39.059 4.80 s 76.13° 308.3° yes Time System-search
BH.SAK.--.HHZ P 2017-09-28 11:41:50.009 5.70 s 77.92° 293.1° yes Time System-search
II.FFC.00.BHZ P 2017-09-28 11:42:00.009 -1.60 s 81.19° 31.3° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170928-12

Time: 2017-09-28 11:29:47.070
Position:28.6937°N, 140.4505°E
Place:Phillipine Sea
Major Place:778 km S of Tokyo, Japan
Depth:17.7 km
Magnitude:5.2 mb