Earthquake 20170925-7

2017-09-25 22:07:04.990 234.3 km 4.9 mb
0.8308°N, 124.1945°E
1123 km SE of Bandar Seri Begawan, Brunei
Time Error: 0.80 s Depth Error: 18.2 km
Num. Stations: 13 Time RMS: 0.39 s
Num. Phases: 13 Azimuth Gap: 167°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
5.0 ML 2 0.30 NCMS System-search
Emblem-favorite 4.9 mb 12 0.20 NCMS System-search
5.0 M 12 0.60 NCMS System-search
4.9 mb 0 0 NCMS System-search
4.9 M 0 0 NCMS System-search

Origin Details

Ellipse Major:17.70 km Min. Distance:7.31° Fixed Depth:no
Ellipse Minor:11.80 km Max. Distance:87.96° Fixed Phase:no
Ellipse Strike:93.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18645 External Origin ID:HYDRA_RED@37287

Error Ellipse

Azimuth Dip Magnitude Action
Max 100° 15° 42.3 km System-search
Intermediate 204° 39° 33.3 km System-search
Min 354° 45° 18.5 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.KAPI.00.BH2 2017-09-25 22:10:18.809 171.3 0.75 s 5.0 ML 7.31° 217.4° System-search
IU.NWAO.00.BHZ 2017-09-25 22:13:29.910 238.7 1.60 s 5.6 mb 34.21° 190.4° System-search
IU.MAKZ.00.BHZ 2017-09-25 22:16:40.960 40.2 1.35 s 4.9 mb 58.73° 327.3° System-search
IU.PET.00.BHZ 2017-09-25 22:16:44.390 104.0 1.30 s 5.3 mb 59.37° 23.4° System-search
II.AAK.00.BHZ 2017-09-25 22:16:56.660 45.0 1.00 s 5.1 mb 60.86° 319.9° System-search
IU.KBL.--.BHZ 2017-09-25 22:16:58.369 11.2 0.70 s 4.7 mb 61.33° 309.5° System-search
II.KURK.00.BHZ 2017-09-25 22:17:08.509 33.1 0.60 s 5.3 mb 62.87° 329.3° System-search
AE.ALN.--.HHZ 2017-09-25 22:17:54.359 11.6 0.64 s 4.8 mb 70.02° 295.2° System-search
OM.ASH.--.HHZ 2017-09-25 22:17:55.019 3.2 0.90 s 4.0 mb 69.84° 295.9° System-search
AE.MZR.--.HHZ 2017-09-25 22:18:07.099 15.8 0.74 s 4.8 mb 71.95° 293.8° System-search
II.BRVK.00.BHZ 2017-09-25 22:18:40.809 17.9 1.00 s 4.8 mb 68.47° 328.4° System-search
IU.KMBO.00.BHZ 2017-09-25 22:19:27.410 8.5 1.00 s 4.5 mb 86.96° 268.8° System-search
II.OBN.00.BHZ 2017-09-25 22:19:28.640 24.5 0.80 s 5.1 mb 87.96° 324.9° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
II.KAPI.00.BHZ Pn 2017-09-25 22:08:49.609 0.10 s 7.31° 217.4° yes Time System-search
IU.NWAO.00.BHZ P 2017-09-25 22:13:28.359 -0.30 s 34.21° 190.4° yes Time System-search
IU.MAKZ.00.BHZ P 2017-09-25 22:16:38.359 0 s 58.73° 327.3° yes Time System-search
IU.PET.00.BHZ P 2017-09-25 22:16:42.640 0.10 s 59.37° 23.4° yes Time System-search
II.AAK.00.BHZ P 2017-09-25 22:16:53.609 0.50 s 60.86° 319.9° yes Time System-search
IU.KBL.--.BHZ P 2017-09-25 22:16:56.420 -0.10 s 61.33° 309.5° yes Time System-search
II.KURK.00.BHZ P 2017-09-25 22:17:05.460 -0.60 s 62.87° 329.3° yes Time System-search
II.BRVK.00.BHZ P 2017-09-25 22:17:41.160 -0.60 s 68.47° 328.4° yes Time System-search
AE.ALN.--.HHZ P 2017-09-25 22:17:51.750 -0.10 s 70.02° 295.2° yes Time System-search
OM.ASH.--.HHZ P 2017-09-25 22:17:52.279 1.50 s 69.84° 295.9° no Time System-search
AE.MZR.--.HHZ P 2017-09-25 22:18:03.470 0 s 71.95° 293.8° yes Time System-search
IU.KMBO.00.BHZ P 2017-09-25 22:19:26.160 1.40 s 86.96° 268.8° yes Time System-search
II.OBN.00.BHZ P 2017-09-25 22:19:27.339 -1.00 s 87.96° 324.9° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170925-7

Time: 2017-09-25 22:07:04.990
Position:0.8308°N, 124.1945°E
Place:
Major Place:1123 km SE of Bandar Seri Begawan, Brunei
Depth:234.3 km
Magnitude:4.9 mb