Earthquake 20170920-7

2017-09-20 12:25:58.270 15.0 km 5.3 mb
2.5250°N, 133.2666°E
North Pacific Ocean
554 km S of Koror, Palau Islands
Time Error: 1.35 s Depth Error: 37.8 km
Num. Stations: 18 Time RMS: 0.67 s
Num. Phases: 18 Azimuth Gap: 268°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 5.3 mb 0 0 NCMS System-search
5.3 M 0 0 NCMS System-search
5.3 mb 16 0.10 NCMS System-search
5.5 M 16 0.60 NCMS System-search

Origin Details

Ellipse Major:36.80 km Min. Distance:62.55° Fixed Depth:no
Ellipse Minor:16.70 km Max. Distance:96.42° Fixed Phase:no
Ellipse Strike:152.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18515 External Origin ID:HYDRA_RED@37044

Error Ellipse

Azimuth Dip Magnitude Action
Max 152° 11° 87.1 km System-search
Intermediate 18° 73° 56.4 km System-search
Min 245° 11° 38.0 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2017-09-20 12:36:27.085 13.8 0.90 s 5.1 mb 62.55° 322.9° System-search
II.KURK.00.BHZ 2017-09-20 12:36:52.609 47.9 1.40 s 5.5 mb 66.34° 325.5° System-search
II.BRVK.00.BHZ 2017-09-20 12:37:27.430 14.7 0.80 s 5.1 mb 72.01° 325.6° System-search
OM.BID.--.HHZ 2017-09-20 12:37:42.559 43.2 1.02 s 5.4 mb 75.37° 293.5° System-search
OM.SOH.--.HHZ 2017-09-20 12:37:51.500 12.1 1.24 s 4.8 mb 76.86° 294.1° System-search
DN.HAT.--.HHZ 2017-09-20 12:37:53.569 6.8 0.90 s 4.7 mb 77.27° 294.8° System-search
AE.SHM.--.HHZ 2017-09-20 12:37:54.359 24.5 1.00 s 5.2 mb 77.42° 296.1° System-search
AE.MSF.--.HHZ 2017-09-20 12:37:54.690 46.1 1.06 s 5.5 mb 77.27° 295.3° System-search
OM.ASH.--.HHZ 2017-09-20 12:37:54.700 6.3 0.98 s 4.7 mb 77.33° 294.6° System-search
AE.ALN.--.HHZ 2017-09-20 12:37:55.369 46.3 0.84 s 5.6 mb 77.57° 294.0° System-search
DN.FAQ.--.HHZ 2017-09-20 12:37:55.630 56.5 0.70 s 5.8 mb 77.75° 294.6° System-search
DN.NAZ.--.HHZ 2017-09-20 12:37:56.230 39.1 1.70 s 5.2 mb 77.70° 294.9° System-search
AE.MZR.--.HHZ 2017-09-20 12:38:06.829 128.2 1.66 s 5.7 mb 79.62° 292.8° System-search
DN.ASU.--.HHZ 2017-09-20 12:38:18.980 162.0 1.58 s 5.8 mb 77.99° 294.5° System-search
IU.COLA.00.BHZ 2017-09-20 12:38:47.345 7.7 1.50 s 4.7 mb 83.00° 25.0° System-search
IU.ANTO.00.BHZ 2017-09-20 12:39:23.994 67.1 0.80 s 6.2 mb 96.42° 310.4° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-09-20 12:36:21.750 0.10 s 62.55° 322.9° no Time System-search
II.KURK.00.BHZ P 2017-09-20 12:36:45.859 -0.50 s 66.34° 325.5° yes Time System-search
II.BRVK.00.BHZ P 2017-09-20 12:37:20.779 -0.70 s 72.01° 325.6° no Time System-search
OM.BID.--.HHZ P 2017-09-20 12:37:41.849 0 s 75.37° 293.5° no Time System-search
DN.HAT.--.HHZ P 2017-09-20 12:37:48.250 -4.40 s 77.27° 294.8° no Time System-search
OM.SOH.--.HHZ P 2017-09-20 12:37:50.200 -0.10 s 76.86° 294.1° no Time System-search
DN.FAQ.--.HHZ P 2017-09-20 12:37:50.410 -4.90 s 77.75° 294.6° no Time System-search
II.UOSS.10.BHZ P 2017-09-20 12:37:52.210 -0.10 s 77.21° 294.9° no Time System-search
OM.ASH.--.HHZ P 2017-09-20 12:37:52.980 0 s 77.33° 294.6° no Time System-search
AE.MSF.--.HHZ P 2017-09-20 12:37:53.890 1.20 s 77.27° 295.3° no Time System-search
AE.SHM.--.HHZ P 2017-09-20 12:37:54.150 0.70 s 77.42° 296.1° no Time System-search
AE.ALN.--.HHZ P 2017-09-20 12:37:54.740 0.40 s 77.57° 294.0° no Time System-search
DN.NAZ.--.HHZ P 2017-09-20 12:37:55.140 0.10 s 77.70° 294.9° no Time System-search
DN.ASU.--.HHZ P 2017-09-20 12:37:57.180 0.60 s 77.99° 294.5° no Time System-search
AE.MZR.--.HHZ P 2017-09-20 12:38:05.670 0.10 s 79.62° 292.8° no Time System-search
AE.JRN.--.HHZ P 2017-09-20 12:38:08.480 -0.50 s 80.25° 294.7° no Time System-search
IU.COLA.00.BHZ P 2017-09-20 12:38:22.720 0.10 s 83.00° 25.0° no Time System-search
IU.ANTO.00.BHZ P 2017-09-20 12:39:19.569 -7.70 s 96.42° 310.4° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170920-7

Time: 2017-09-20 12:25:58.270
Position:2.5250°N, 133.2666°E
Place:North Pacific Ocean
Major Place:554 km S of Koror, Palau Islands
Depth:15.0 km
Magnitude:5.3 mb