Earthquake 20170418-21

2017-04-18 09:13:13.690 10.0 km 4.7 Mb
20.8413°N, 99.9875°E
421 km NW of Vientiane, Laos
Time Error: 1.64 s Depth Error:
Num. Stations: 15 Time RMS: 0.81 s
Num. Phases: 15 Azimuth Gap: 210°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type:
 

MANUALLY REVISED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 4.7 Mb 9 1.0 NCMS System-search
4.1 Ms 15 1.0 NCMS System-search

Origin Details

Ellipse Major:16.80 km Min. Distance:29.77° Fixed Depth:yes
Ellipse Minor:10.60 km Max. Distance:79.16° 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@23145 External Origin ID:HYDRA_RED@97330

Error Ellipse

Azimuth Dip Magnitude Action
Max 141° 33.6 km System-search
Intermediate 51° 21.1 km System-search
Min 0 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2017-04-18 09:19:20.589 52.0 0.90 s 4.1 Mb 29.77° 334.0° System-search
IU.KBL.--.BHZ 2017-04-18 09:19:27.000 297.5 1.70 s 4.9 Mb 30.48° 303.0° System-search
II.AAK.00.BHZ 2017-04-18 09:19:27.059 310.5 0.90 s 5.0 Mb 30.50° 321.0° System-search
OM.BID.--.HHZ 2017-04-18 09:20:39.160 330.5 1.20 s 5.0 Mb 38.78° 281.0° System-search
II.BRVK.00.BHZ 2017-04-18 09:20:42.910 201.0 0.80 s 4.3 Mb 39.43° 331.0° System-search
II.UOSS.10.BHZ 2017-04-18 09:20:51.990 154.5 1.40 s 4.1 Mb 40.44° 284.0° System-search
AE.MSF.--.HHZ 2017-04-18 09:20:53.970 84.0 1.00 s 4.4 Mb 40.45° 284.0° System-search
DN.HAT.--.HHZ 2017-04-18 09:20:54.789 66.0 1.24 s 4.3 Mb 40.51° 284.0° System-search
OM.ASH.--.HHZ 2017-04-18 09:20:55.440 96.0 1.16 s 4.5 Mb 40.59° 283.0° System-search
DN.ASU.--.HHZ 2017-04-18 09:20:59.220 249.0 1.78 s 5.6 Mb 41.25° 283.0° System-search
II.KIV.00.BHZ 2017-04-18 09:22:26.440 680.0 1.80 s 5.6 Mb 52.44° 309.0° System-search
IU.PET.00.BHZ 2017-04-18 09:22:44.660 2e+03 1.40 s 5.6 Mb 54.84° 39.0° System-search
GE.EIL.--.BHZ 2017-04-18 09:23:12.069 102.5 1.30 s 4.7 Mb 58.84° 292.0° System-search
IU.KMBO.00.BHZ 2017-04-18 09:23:55.059 210.5 1.80 s 4.9 Mb 65.13° 258.0° System-search
IU.LSZ.00.BHZ 2017-04-18 09:25:17.160 288.0 0.60 s 4.8 Mb 79.16° 249.0° System-search
IN.MNC.--.HHZ 2017-04-18 09:27:24.809 95.5 21.24 s 4.2 Ms 28.84° 248.3° System-search
IU.DAV.00.BHZ 2017-04-18 09:27:49.565 355.5 21.80 s 4.1 Ms 28.30° 115.2° System-search
IU.MAKZ.00.BHZ 2017-04-18 09:32:08.950 280.5 19.05 s 4.0 Ms 29.77° 334.7° System-search
II.KAPI.00.BHZ 2017-04-18 09:33:07.289 427.0 19.55 s 4.1 Ms 32.20° 140.8° System-search
II.AAK.00.BHZ 2017-04-18 09:33:24.200 619.0 19.45 s 4.5 Ms 30.49° 321.3° System-search
II.KURK.00.BHZ 2017-04-18 09:33:38.900 726.5 20.00 s 4.2 Ms 34.23° 335.7° System-search
IU.KBL.--.BHZ 2017-04-18 09:33:46.075 334.5 20.17 s 4.1 Ms 30.47° 303.2° System-search
OM.BID.--.HHZ 2017-04-18 09:36:05.960 126.5 21.20 s 4.1 Ms 38.76° 282.0° System-search
DN.ASU.--.HHZ 2017-04-18 09:37:33.089 41.5 19.77 s 4.3 Ms 41.23° 284.0° System-search
II.BRVK.00.BHZ 2017-04-18 09:37:37.299 300.5 18.90 s 4.0 Ms 39.43° 331.9° System-search
DN.FAQ.--.HHZ 2017-04-18 09:38:52.589 35.5 20.84 s 4.2 Ms 40.98° 284.1° System-search
AE.SHM.--.HHZ 2017-04-18 09:39:22.250 53.5 20.49 s 3.7 Ms 40.51° 286.2° System-search
OM.ASH.--.HHZ 2017-04-18 09:39:51.630 66.5 21.00 s 3.8 Ms 40.56° 284.0° System-search
OM.SOH.--.HHZ 2017-04-18 09:40:11.660 23.0 20.41 s 3.3 Ms 40.17° 283.1° System-search
II.UOSS.10.BHZ 2017-04-18 09:40:19.575 213.0 20.20 s 3.8 Ms 40.41° 284.4° System-search
DN.HAT.--.HHZ 2017-04-18 09:40:23.049 54.0 20.46 s 3.7 Ms 40.49° 284.2° System-search
DN.NAZ.--.HHZ 2017-04-18 09:40:25.160 65.0 20.87 s 3.8 Ms 40.90° 284.5° System-search
OM.MDH.--.HHZ 2017-04-18 09:40:44.680 33.5 19.35 s 3.5 Ms 40.31° 284.9° System-search
AE.SRB.--.HHZ 2017-04-18 09:41:53.410 98.0 18.02 s 4.1 Ms 42.18° 285.0° System-search
IU.PET.00.BHZ 2017-04-18 09:45:22.599 586.5 19.10 s 4.5 Ms 54.85° 39.1° System-search
IU.KMBO.00.BHZ 2017-04-18 09:46:29.500 186.5 19.00 s 4.2 Ms 65.07° 258.6° System-search
GE.EIL.--.BHZ 2017-04-18 09:47:39.950 76.0 20.60 s 3.9 Ms 58.82° 292.8° System-search
IU.ANTO.00.BHZ 2017-04-18 09:47:41.450 88.5 20.50 s 3.8 Ms 59.68° 304.8° System-search
II.KIV.00.BHZ 2017-04-18 09:48:28.849 258.5 18.20 s 4.6 Ms 52.44° 310.0° System-search
II.OBN.00.BHZ 2017-04-18 09:49:50.900 323.5 21.55 s 4.3 Ms 58.00° 322.8° System-search
IU.ADK.00.BHZ 2017-04-18 09:53:59.650 375.5 18.20 s 4.5 Ms 69.82° 40.9° System-search
II.BFO.00.BHZ 2017-04-18 09:55:48.349 110.0 19.05 s 3.3 Ms 75.80° 316.6° System-search
IU.LSZ.00.BHZ 2017-04-18 09:56:59.599 405.5 19.50 s 4.7 Ms 79.09° 249.1° System-search
IU.COLA.00.BHZ 2017-04-18 09:59:46.299 246.0 19.70 s 4.5 Ms 80.26° 23.6° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-04-18 09:19:20.589 0.20 s 29.77° 334.0° no Time System-search
IU.KBL.--.BHZ P 2017-04-18 09:19:27.000 0 s 30.48° 303.0° no Time System-search
II.AAK.00.BHZ P 2017-04-18 09:19:27.059 0 s 30.50° 321.0° no Time System-search
OM.BID.--.HHZ P 2017-04-18 09:20:39.160 0.60 s 38.78° 281.0° no Time System-search
II.BRVK.00.BHZ P 2017-04-18 09:20:42.910 -0.90 s c 39.43° 331.0° yes Time System-search
II.UOSS.10.BHZ P 2017-04-18 09:20:51.990 -0.40 s 40.44° 284.0° no Time System-search
AE.MSF.--.HHZ P 2017-04-18 09:20:53.970 1.40 s 40.45° 284.0° no Time System-search
DN.HAT.--.HHZ P 2017-04-18 09:20:54.789 1.80 s c 40.51° 284.0° yes Time System-search
OM.ASH.--.HHZ P 2017-04-18 09:20:55.440 1.80 s c 40.59° 283.0° yes Time System-search
DN.ASU.--.HHZ P 2017-04-18 09:20:59.220 0.20 s 41.25° 283.0° no Time System-search
II.KIV.00.BHZ P 2017-04-18 09:22:26.440 -0.20 s 52.44° 309.0° no Time System-search
IU.PET.00.BHZ P 2017-04-18 09:22:44.660 0.60 s 54.84° 39.0° no Time System-search
GE.EIL.--.BHZ P 2017-04-18 09:23:12.069 -0.50 s 58.84° 292.0° no Time System-search
IU.KMBO.00.BHZ P 2017-04-18 09:23:55.059 -0.20 s c 65.13° 258.0° yes Time System-search
IU.LSZ.00.BHZ P 2017-04-18 09:25:17.160 -1.80 s c 79.16° 249.0° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170418-21

Time: 2017-04-18 09:13:13.690
Position:20.8413°N, 99.9875°E
Place:
Major Place:421 km NW of Vientiane, Laos
Depth:10.0 km
Magnitude:4.7 Mb