Earthquake 20170818-4

2017-08-18 02:57:32.690 8.0 km 3.3 ML
26.0932°N, 54.7230°E
Arabian Gulf
41 km NW of Abu Musa, UAE
Time Error: 1.62 s Depth Error: 3.1 km
Num. Stations: 16 Time RMS: 0.80 s
Num. Phases: 18 Azimuth Gap: 178°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
2.8 mb_Lg 4 0.30 NCMS System-search
3.3 M 0 0 NCMS System-search
Emblem-favorite 3.3 ML 0 0 NCMS System-search
3.2 ML 6 0.10 NCMS System-search
2.9 M 14 0.50 NCMS System-search

Origin Details

Ellipse Major:12.00 km Min. Distance:0.98° Fixed Depth:no
Ellipse Minor:5.50 km Max. Distance:4.02° Fixed Phase:no
Ellipse Strike:180.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@17914 External Origin ID:HYDRA_RED@35891

Error Ellipse

Azimuth Dip Magnitude Action
Max 181° 28.1 km System-search
Intermediate 91° 12.8 km System-search
Min 291° 88° 4.6 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
AE.SRB.--.HHN 2017-08-18 02:58:08.059 2e+03 0.25 s 3.7 ML 0.98° 207.0° System-search
AE.SHM.--.HHN 2017-08-18 02:58:18.829 553.4 0.29 s 3.3 ML 1.19° 87.4° System-search
AE.MSF.--.HHZ 2017-08-18 02:58:22.266 166.3 0.75 s 3.2 mb_Lg 1.48° 118.7° System-search
AE.UMQ.--.HHN 2017-08-18 02:58:22.849 375.3 0.88 s 3.0 ML 1.02° 123.5° System-search
AE.AJN.--.HHZ 2017-08-18 02:58:23.124 39.9 0.79 s 2.6 mb_Lg 1.54° 170.7° System-search
DN.HAT.--.HHZ 2017-08-18 02:58:28.845 85.7 0.78 s 3.0 mb_Lg 1.79° 134.4° System-search
AE.JRN.--.HHZ 2017-08-18 02:58:36.077 14.9 0.70 s 2.3 mb_Lg 2.04° 236.3° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
AE.UMQ.--.HHZ Pg 2017-08-18 02:57:51.470 -0.80 s 1.02° 123.5° no Time System-search
AE.SRB.--.HHZ Pn 2017-08-18 02:57:52.700 0 s 0.98° 207.0° no Time System-search
AE.SHM.--.HHZ Pn 2017-08-18 02:57:57.650 2.10 s 1.19° 87.4° no Time System-search
DN.NAZ.--.HHZ Pn 2017-08-18 02:57:58.759 0.40 s 1.39° 142.2° yes Time System-search
AE.MSF.--.HHZ Pn 2017-08-18 02:57:59.890 0.20 s 1.48° 118.7° no Time System-search
DN.FAQ.--.HHZ Pn 2017-08-18 02:58:00.750 0.10 s 1.56° 149.5° no Time System-search
AE.AJN.--.HHZ Pn 2017-08-18 02:58:00.799 0.30 s 1.54° 170.7° no Time System-search
OM.MDH.--.HHZ Pn 2017-08-18 02:58:01.670 0 s 1.63° 118.8° no Time System-search
AE.SRB.--.HHZ Sn 2017-08-18 02:58:02.369 -4.30 s 0.98° 207.0° no Time System-search
DN.HAT.--.HHZ Pn 2017-08-18 02:58:03.849 -0.10 s 1.79° 134.4° no Time System-search
OM.ASH.--.HHZ Pn 2017-08-18 02:58:04.660 -0.10 s 1.85° 139.0° no Time System-search
AE.ALN.--.HHZ Pn 2017-08-18 02:58:09.970 0 s 2.23° 155.0° no Time System-search
AE.JRN.--.HHZ Pn 2017-08-18 02:58:10.029 2.60 s 2.04° 236.3° no Time System-search
OM.SOH.--.HHZ Pn 2017-08-18 02:58:13.640 -0.70 s 2.55° 139.5° no Time System-search
AE.MSF.--.HHZ Sn 2017-08-18 02:58:17.990 -1.30 s 1.48° 118.7° no Time System-search
BH.SAK.--.HHZ Pn 2017-08-18 02:58:20.190 -10.90 s 3.77° 269.2° no Time System-search
AE.MZR.--.HHZ Pn 2017-08-18 02:58:25.319 0.90 s 3.28° 200.5° no Time System-search
OM.BID.--.HHZ Pn 2017-08-18 02:58:32.779 -1.70 s 4.02° 128.9° no Time System-search

Shake Maps

None

Ground Motion

Station PGA PGA Time PGV PGV Time PGD PGD Time RSA @ 0.3s RSA @ 1.0s RSA @ 3.0s Action
AE.AJN.--.HHE 0.005093 cm/s2 2017-08-18 02:58:03.965 0.000114 cm/s 2017-08-18 02:58:05.795 0.000008 cm 2017-08-18 02:58:13.475 0.016159 cm/s2 0.004363 cm/s2 0.000239 cm/s2 System-search
AE.AJN.--.HHN 0.006147 cm/s2 2017-08-18 02:58:07.175 0.000155 cm/s 2017-08-18 02:58:02.395 0.000012 cm 2017-08-18 02:58:10.405 0.019138 cm/s2 0.002767 cm/s2 0.000282 cm/s2 System-search
AE.AJN.--.HHZ 0.007699 cm/s2 2017-08-18 02:58:01.755 0.000189 cm/s 2017-08-18 02:58:01.185 0.000015 cm 2017-08-18 02:58:01.015 0.010415 cm/s2 0.001234 cm/s2 0.000176 cm/s2 System-search
AE.AJN.--.HNE 0.004838 cm/s2 2017-08-18 02:58:03.965 0.000234 cm/s 2017-08-18 02:58:12.225 0.00023 cm 2017-08-18 02:57:56.315 0.015284 cm/s2 0.003936 cm/s2 0.000522 cm/s2 System-search
AE.AJN.--.HNN 0.006242 cm/s2 2017-08-18 02:58:07.175 0.000216 cm/s 2017-08-18 02:58:02.395 0.000114 cm 2017-08-18 02:57:50.755 0.018999 cm/s2 0.002854 cm/s2 0.000397 cm/s2 System-search
AE.AJN.--.HNZ 0.007216 cm/s2 2017-08-18 02:58:01.755 0.000214 cm/s 2017-08-18 02:58:01.175 0.000062 cm 2017-08-18 02:58:03.005 0.008968 cm/s2 0.001139 cm/s2 0.000213 cm/s2 System-search
AE.ALN.--.HHE 0.002403 cm/s2 2017-08-18 02:58:15.509 0.000076 cm/s 2017-08-18 02:58:25.519 0.000015 cm 2017-08-18 02:58:00.879 0.013559 cm/s2 0.00231 cm/s2 0.00028 cm/s2 System-search
AE.ALN.--.HHN 0.003218 cm/s2 2017-08-18 02:58:16.839 0.000094 cm/s 2017-08-18 02:58:16.799 0.000019 cm 2017-08-18 02:58:21.379 0.019273 cm/s2 0.00261 cm/s2 0.000225 cm/s2 System-search
AE.ALN.--.HHZ 0.002572 cm/s2 2017-08-18 02:58:16.039 0.000073 cm/s 2017-08-18 02:58:29.849 0.000021 cm 2017-08-18 02:58:31.329 0.007154 cm/s2 0.001857 cm/s2 0.00016 cm/s2 System-search
AE.ALN.--.HNE 0.00296 cm/s2 2017-08-18 02:58:24.759 0.000326 cm/s 2017-08-18 02:58:20.639 0.00037 cm 2017-08-18 02:58:22.839 0.016992 cm/s2 0.002915 cm/s2 0.00067 cm/s2 System-search
AE.ALN.--.HNZ 0.004448 cm/s2 2017-08-18 02:58:41.981 0.00029 cm/s 2017-08-18 02:58:31.071 0.000294 cm 2017-08-18 02:58:12.161 0.005863 cm/s2 0.001696 cm/s2 0.000677 cm/s2 System-search
AE.MSF.--.HHE 0.00698 cm/s2 2017-08-18 02:58:09.122 0.000127 cm/s 2017-08-18 02:58:03.562 0.000011 cm 2017-08-18 02:58:11.322 0.028007 cm/s2 0.005305 cm/s2 0.000648 cm/s2 System-search
AE.MSF.--.HHN 0.006325 cm/s2 2017-08-18 02:58:03.012 0.00019 cm/s 2017-08-18 02:58:00.432 0.000019 cm 2017-08-18 02:58:00.282 0.021446 cm/s2 0.002739 cm/s2 0.000207 cm/s2 System-search
AE.MSF.--.HHZ 0.00754 cm/s2 2017-08-18 02:58:01.562 0.000163 cm/s 2017-08-18 02:58:00.722 0.000021 cm 2017-08-18 02:58:00.572 0.029931 cm/s2 0.005022 cm/s2 0.000323 cm/s2 System-search
AE.MSF.--.HNE 0.014345 cm/s2 2017-08-18 02:58:09.122 0.000502 cm/s 2017-08-18 02:58:07.962 0.000624 cm 2017-08-18 02:58:05.632 0.053058 cm/s2 0.008729 cm/s2 0.001105 cm/s2 System-search
AE.MSF.--.HNN 0.011113 cm/s2 2017-08-18 02:58:02.472 0.000322 cm/s 2017-08-18 02:58:02.502 0.000134 cm 2017-08-18 02:57:55.712 0.034721 cm/s2 0.006665 cm/s2 0.000831 cm/s2 System-search
AE.MSF.--.HNZ 0.013095 cm/s2 2017-08-18 02:58:01.562 0.000418 cm/s 2017-08-18 02:58:03.912 0.000184 cm 2017-08-18 02:58:05.022 0.052479 cm/s2 0.009159 cm/s2 0.000807 cm/s2 System-search
AE.MZR.--.HHN 0.006853 cm/s2 2017-08-18 02:58:39.742 0.000127 cm/s 2017-08-18 02:58:43.312 0.000017 cm 2017-08-18 02:58:45.252 0.007038 cm/s2 0.001084 cm/s2 0.000196 cm/s2 System-search
AE.MZR.--.HHZ 0.004594 cm/s2 2017-08-18 02:58:39.802 0.000159 cm/s 2017-08-18 02:58:40.262 0.000025 cm 2017-08-18 02:58:44.222 0.0056 cm/s2 0.001534 cm/s2 0.000117 cm/s2 System-search
AE.SHM.--.HHE 0.020035 cm/s2 2017-08-18 02:58:06.401 0.00036 cm/s 2017-08-18 02:58:00.671 0.000019 cm 2017-08-18 02:58:02.271 0.060123 cm/s2 0.002859 cm/s2 0.000376 cm/s2 System-search
AE.SHM.--.HHN 0.017722 cm/s2 2017-08-18 02:58:02.581 0.000354 cm/s 2017-08-18 02:58:02.551 0.000013 cm 2017-08-18 02:58:03.671 0.101244 cm/s2 0.004273 cm/s2 0.000459 cm/s2 System-search
AE.SHM.--.HHZ 0.013769 cm/s2 2017-08-18 02:58:03.351 0.000325 cm/s 2017-08-18 02:57:58.461 0.000026 cm 2017-08-18 02:57:58.091 0.035731 cm/s2 0.001731 cm/s2 0.000304 cm/s2 System-search
AE.SHM.--.HNE 0.014265 cm/s2 2017-08-18 02:58:01.671 0.000276 cm/s 2017-08-18 02:58:03.981 0.00015 cm 2017-08-18 02:57:42.781 0.05761 cm/s2 0.003179 cm/s2 0.000656 cm/s2 System-search
AE.SHM.--.HNN 0.013477 cm/s2 2017-08-18 02:58:06.401 0.000288 cm/s 2017-08-18 02:58:05.011 0.000167 cm 2017-08-18 02:57:55.211 0.065408 cm/s2 0.002124 cm/s2 0.000357 cm/s2 System-search
AE.SHM.--.HNZ 0.010311 cm/s2 2017-08-18 02:58:03.351 0.000241 cm/s 2017-08-18 02:57:59.991 0.000124 cm 2017-08-18 02:57:54.761 0.026331 cm/s2 0.001272 cm/s2 0.000407 cm/s2 System-search
AE.SRB.--.HHE 0.287422 cm/s2 2017-08-18 02:58:03.941 0.006667 cm/s 2017-08-18 02:58:08.441 0.000249 cm 2017-08-18 02:58:08.961 0.328627 cm/s2 0.011694 cm/s2 0.001915 cm/s2 System-search
AE.SRB.--.HHN 0.031434 cm/s2 2017-08-18 02:57:56.962 0.000715 cm/s 2017-08-18 02:57:56.472 0.000018 cm 2017-08-18 02:57:56.502 0.302906 cm/s2 0.012205 cm/s2 0.001604 cm/s2 System-search
AE.SRB.--.HHZ 0.033013 cm/s2 2017-08-18 02:57:57.852 0.000471 cm/s 2017-08-18 02:57:55.112 0.000027 cm 2017-08-18 02:57:56.702 0.092851 cm/s2 0.004472 cm/s2 0.000995 cm/s2 System-search
AE.SRB.--.HNE 0.018324 cm/s2 2017-08-18 02:58:00.962 0.000526 cm/s 2017-08-18 02:58:00.032 0.000048 cm 2017-08-18 02:57:33.652 0.311448 cm/s2 0.011019 cm/s2 0.001939 cm/s2 System-search
AE.SRB.--.HNN 0.027748 cm/s2 2017-08-18 02:57:55.292 0.000651 cm/s 2017-08-18 02:57:56.472 0.000066 cm 2017-08-18 02:57:35.512 0.27866 cm/s2 0.011234 cm/s2 0.00156 cm/s2 System-search
AE.SRB.--.HNZ 0.030348 cm/s2 2017-08-18 02:57:56.232 0.000425 cm/s 2017-08-18 02:57:55.612 0.000046 cm 2017-08-18 02:57:42.982 0.0889 cm/s2 0.004092 cm/s2 0.000915 cm/s2 System-search
AE.UMQ.--.HHE 0.008141 cm/s2 2017-08-18 02:58:00.294 0.000235 cm/s 2017-08-18 02:58:01.554 0.000025 cm 2017-08-18 02:58:01.334 0.02943 cm/s2 0.00276 cm/s2 0.000634 cm/s2 System-search
AE.UMQ.--.HHN 0.007034 cm/s2 2017-08-18 02:57:59.554 0.000188 cm/s 2017-08-18 02:58:01.574 0.000013 cm 2017-08-18 02:57:55.894 0.031967 cm/s2 0.005443 cm/s2 0.000918 cm/s2 System-search
AE.UMQ.--.HHZ 0.011254 cm/s2 2017-08-18 02:57:57.034 0.000215 cm/s 2017-08-18 02:57:59.574 0.000018 cm 2017-08-18 02:58:02.094 0.014918 cm/s2 0.003092 cm/s2 0.000367 cm/s2 System-search
AE.UMQ.--.HNE 0.035039 cm/s2 2017-08-18 02:58:10.851 0.001214 cm/s 2017-08-18 02:58:10.561 0.000647 cm 2017-08-18 02:57:53.031 0.065114 cm/s2 0.012014 cm/s2 0.001906 cm/s2 System-search
DN.FAQ.--.HHN 0.004458 cm/s2 2017-08-18 02:58:04.084 0.00012 cm/s 2017-08-18 02:58:10.674 0.000006 cm 2017-08-18 02:58:14.494 0.020756 cm/s2 0.002073 cm/s2 0.0003 cm/s2 System-search
DN.FAQ.--.HHZ 0.004776 cm/s2 2017-08-18 02:58:06.824 0.000095 cm/s 2017-08-18 02:58:06.314 0.000007 cm 2017-08-18 02:58:03.934 0.008731 cm/s2 0.001565 cm/s2 0.00019 cm/s2 System-search
DN.HAT.--.HHE 0.002088 cm/s2 2017-08-18 02:58:18.172 0.00005 cm/s 2017-08-18 02:58:11.762 0.000006 cm 2017-08-18 02:58:17.922 0.014974 cm/s2 0.001795 cm/s2 0.000299 cm/s2 System-search
DN.HAT.--.HHN 0.001341 cm/s2 2017-08-18 02:58:11.952 0.000026 cm/s 2017-08-18 02:58:16.742 0.000003 cm 2017-08-18 02:58:09.422 0.00512 cm/s2 0.000618 cm/s2 0.000103 cm/s2 System-search
DN.HAT.--.HHZ 0.002629 cm/s2 2017-08-18 02:58:12.552 0.000043 cm/s 2017-08-18 02:58:20.372 0.000006 cm 2017-08-18 02:58:16.622 0.013002 cm/s2 0.001836 cm/s2 0.000174 cm/s2 System-search
DN.NAZ.--.HHE 0.013377 cm/s2 2017-08-18 02:58:01.741 0.00019 cm/s 2017-08-18 02:58:01.771 0.000012 cm 2017-08-18 02:58:10.911 0.027993 cm/s2 0.002461 cm/s2 0.000287 cm/s2 System-search
DN.NAZ.--.HHN 0.009099 cm/s2 2017-08-18 02:58:01.391 0.000154 cm/s 2017-08-18 02:58:11.011 0.000008 cm 2017-08-18 02:57:43.671 0.029675 cm/s2 0.0027 cm/s2 0.000284 cm/s2 System-search
DN.NAZ.--.HHZ 0.007794 cm/s2 2017-08-18 02:58:01.781 0.000151 cm/s 2017-08-18 02:58:01.801 0.000009 cm 2017-08-18 02:58:04.241 0.011569 cm/s2 0.001307 cm/s2 0.000141 cm/s2 System-search
OM.ASH.--.HHE 0.001494 cm/s2 2017-08-18 02:58:20.552 0.000053 cm/s 2017-08-18 02:58:10.972 0.000004 cm 2017-08-18 02:58:15.212 0.013007 cm/s2 0.001955 cm/s2 0.000298 cm/s2 System-search
OM.ASH.--.HHN 0.001413 cm/s2 2017-08-18 02:58:16.402 0.000032 cm/s 2017-08-18 02:58:20.772 0.000005 cm 2017-08-18 02:58:16.912 0.013774 cm/s2 0.002099 cm/s2 0.000317 cm/s2 System-search
OM.ASH.--.HHZ 0.00162 cm/s2 2017-08-18 02:58:16.532 0.000056 cm/s 2017-08-18 02:58:10.962 0.000009 cm 2017-08-18 02:58:10.902 0.00941 cm/s2 0.001311 cm/s2 0.000141 cm/s2 System-search
OM.BID.--.HHN 0.007819 cm/s2 2017-08-18 02:58:40.123 0.000048 cm/s 2017-08-18 02:58:40.113 0.000043 cm 2017-08-18 02:58:40.123 0.000989 cm/s2 0.000335 cm/s2 0.000189 cm/s2 System-search
OM.BID.--.HHZ 0.002622 cm/s2 2017-08-18 02:58:40.117 0.000038 cm/s 2017-08-18 02:58:40.147 0.000005 cm 2017-08-18 02:58:40.287 0.000342 cm/s2 0.000206 cm/s2 0.000122 cm/s2 System-search
OM.MDH.--.HHE 0.003228 cm/s2 2017-08-18 02:58:11.355 0.000052 cm/s 2017-08-18 02:58:11.375 0.000004 cm 2017-08-18 02:58:03.825 0.00934 cm/s2 0.000572 cm/s2 0.000108 cm/s2 System-search
OM.MDH.--.HHN 0.00346 cm/s2 2017-08-18 02:58:11.875 0.000058 cm/s 2017-08-18 02:58:06.815 0.000004 cm 2017-08-18 02:58:13.255 0.008547 cm/s2 0.000689 cm/s2 0.000109 cm/s2 System-search
OM.MDH.--.HHZ 0.003188 cm/s2 2017-08-18 02:58:13.105 0.000051 cm/s 2017-08-18 02:58:03.135 0.000004 cm 2017-08-18 02:58:02.535 0.006013 cm/s2 0.000902 cm/s2 0.000084 cm/s2 System-search
OM.SOH.--.HHE 0.000645 cm/s2 2017-08-18 02:58:37.668 0.000014 cm/s 2017-08-18 02:58:30.828 0.000002 cm 2017-08-18 02:58:31.548 0.000815 cm/s2 0.000091 cm/s2 0.000024 cm/s2 System-search
OM.SOH.--.HHN 0.000474 cm/s2 2017-08-18 02:58:31.581 0.000015 cm/s 2017-08-18 02:58:29.421 0.000004 cm 2017-08-18 02:58:31.571 0.000793 cm/s2 0.000071 cm/s2 0.00003 cm/s2 System-search
OM.SOH.--.HHZ 0.000718 cm/s2 2017-08-18 02:58:25.321 0.000016 cm/s 2017-08-18 02:58:34.691 0.000004 cm 2017-08-18 02:58:38.821 0.000848 cm/s2 0.00009 cm/s2 0.000026 cm/s2 System-search

Event 20170818-4

Time: 2017-08-18 02:57:32.690
Position:26.0932°N, 54.7230°E
Place:Arabian Gulf
Major Place:41 km NW of Abu Musa, UAE
Depth:8.0 km
Magnitude:3.3 ML