Earthquake 20170820-6

2017-08-20 23:23:27.430 10.0 km 2.6 ML
28.1800°N, 55.7800°E
262 km N of Ra's al Khaymah, UAE
Time Error: 1.81 s Depth Error: 0.70 km
Num. Stations: 12 Time RMS: 0.89 s
Num. Phases: 14 Azimuth Gap: 325°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
2.3 mb_Lg 7 0.20 NCMS System-search
2.5 M 28 0.30 NCMS System-search
2.6 ML 18 0.10 NCMS System-search
Emblem-favorite 2.6 ML NCMS System-search

Origin Details

Ellipse Major:61.40 km Min. Distance:2.04° Fixed Depth:no
Ellipse Minor:25.70 km Max. Distance:5.56° Fixed Phase:no
Ellipse Strike:191.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@17969 External Origin ID:HYDRA_RED@35997

Error Ellipse

Azimuth Dip Magnitude Action
Max 192° 144.5 km System-search
Intermediate 102° 60.6 km System-search
Min 359° 89° 1.1 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
AE.SHM.--.HHZ 2017-08-20 23:24:34.000 15.8 0.70 s 2.3 mb_Lg 2.04° 173.4° System-search
AE.SHM.--.HHN 2017-08-20 23:24:46.529 61.5 0.76 s 2.7 ML 2.04° 173.4° System-search
OM.MDH.--.HHZ 2017-08-20 23:24:59.024 6.5 0.79 s 2.1 mb_Lg 2.91° 170.7° System-search
AE.MSF.--.HHZ 2017-08-20 23:25:02.286 27.7 0.75 s 2.7 mb_Lg 2.82° 173.0° System-search
OM.MDH.--.HHN 2017-08-20 23:25:08.650 7.4 0.75 s 2.2 ML 2.91° 170.7° System-search
AE.MSF.--.HHN 2017-08-20 23:25:09.730 33.2 0.90 s 2.8 ML 2.82° 173.0° System-search
AE.SRB.--.HHN 2017-08-20 23:25:10.559 35.2 1.45 s 3.0 ML 3.26° 205.5° System-search
II.UOSS.10.BHZ 2017-08-20 23:25:17.133 8.0 1.08 s 2.3 mb_Lg 3.24° 173.2° System-search
OM.ASH.--.HHZ 2017-08-20 23:25:17.427 5.5 0.93 s 2.1 mb_Lg 3.49° 175.8° System-search
DN.HAT.--.HHZ 2017-08-20 23:25:23.048 7.4 1.01 s 2.2 mb_Lg 3.36° 174.5° System-search
DN.NAZ.--.HHE 2017-08-20 23:25:25.950 20.3 1.21 s 2.7 ML 3.18° 181.9° System-search
II.UOSS.10.BH1 2017-08-20 23:25:26.579 12.5 1.40 s 2.5 ML 3.24° 173.2° System-search
DN.HAT.--.HHE 2017-08-20 23:25:27.339 11.7 0.96 s 2.5 ML 3.36° 174.5° System-search
OM.SOH.--.HHN 2017-08-20 23:25:33.640 2.8 2.15 s 2.2 ML 4.09° 170.3° System-search
OM.ASH.--.HHE 2017-08-20 23:25:46.619 10.0 1.06 s 2.5 ML 3.49° 175.8° System-search
AE.ALN.--.HHZ 2017-08-20 23:25:47.491 18.5 1.27 s 2.7 mb_Lg 4.11° 180.3° System-search
DN.FAQ.--.HHE 2017-08-20 23:26:19.450 223.7 4.88 s 3.8 ML 3.42° 182.9° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
AE.SHM.--.HHZ Pn 2017-08-20 23:24:01.890 0 s 2.04° 173.4° no Time System-search
AE.MSF.--.HHZ Pn 2017-08-20 23:24:12.309 -0.30 s 2.82° 173.0° no Time System-search
OM.MDH.--.HHZ Pn 2017-08-20 23:24:13.759 0 s 2.91° 170.7° no Time System-search
DN.NAZ.--.HHZ Pn 2017-08-20 23:24:16.529 -1.00 s 3.18° 181.9° no Time System-search
II.UOSS.10.BHZ Pn 2017-08-20 23:24:17.549 -0.90 s 3.24° 173.2° no Time System-search
AE.SRB.--.HHZ Pn 2017-08-20 23:24:17.660 -0.90 s 3.26° 205.5° no Time System-search
DN.HAT.--.HHZ Pn 2017-08-20 23:24:20.750 0.80 s 3.36° 174.5° no Time System-search
DN.FAQ.--.HHZ Pn 2017-08-20 23:24:21.069 0.20 s 3.42° 182.9° no Time System-search
OM.ASH.--.HHZ Pn 2017-08-20 23:24:21.289 -0.60 s 3.49° 175.8° no Time System-search
OM.SOH.--.HHZ Pn 2017-08-20 23:24:30.269 0.30 s 4.09° 170.3° no Time System-search
AE.ALN.--.HHZ Pn 2017-08-20 23:24:30.910 0.60 s 4.11° 180.3° no Time System-search
AE.MSF.--.HHZ Sn 2017-08-20 23:24:47.099 0.50 s 2.82° 173.0° no Time System-search
AE.MZR.--.HHZ Pn 2017-08-20 23:24:51.319 1.10 s 5.56° 202.5° no Time System-search
II.UOSS.10.BHZ Sn 2017-08-20 23:24:55.480 -1.60 s 3.24° 173.2° 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.MSF.--.HHE 0.001022 cm/s2 2017-08-20 23:24:23.066 0.000047 cm/s 2017-08-20 23:24:29.816 0.000012 cm 2017-08-20 23:24:43.036 0.001789 cm/s2 0.00049 cm/s2 0.00017 cm/s2 System-search
AE.MZR.--.HHZ 0.000974 cm/s2 2017-08-20 23:25:01.128 0.000058 cm/s 2017-08-20 23:25:09.208 0.000041 cm 2017-08-20 23:25:08.328 0.001673 cm/s2 0.000236 cm/s2 0.000246 cm/s2 System-search
AE.SHM.--.HHE 0.002993 cm/s2 2017-08-20 23:24:21.980 0.00007 cm/s 2017-08-20 23:24:14.680 0.000012 cm 2017-08-20 23:24:01.370 0.00961 cm/s2 0.000736 cm/s2 0.000104 cm/s2 System-search
AE.SHM.--.HHN 0.00637 cm/s2 2017-08-20 23:24:37.523 0.000165 cm/s 2017-08-20 23:24:37.483 0.000012 cm 2017-08-20 23:24:37.203 0.010454 cm/s2 0.000905 cm/s2 0.000125 cm/s2 System-search
AE.SHM.--.HHZ 0.002049 cm/s2 2017-08-20 23:24:24.550 0.000067 cm/s 2017-08-20 23:24:23.570 0.000013 cm 2017-08-20 23:24:22.570 0.005624 cm/s2 0.000601 cm/s2 0.000121 cm/s2 System-search
AE.SRB.--.HNN 0.001231 cm/s2 2017-08-20 23:25:11.568 0.000096 cm/s 2017-08-20 23:25:08.178 0.00008 cm 2017-08-20 23:25:09.978 0.002912 cm/s2 0.000795 cm/s2 0.000292 cm/s2 System-search
OM.ASH.--.HHE 0.000297 cm/s2 2017-08-20 23:25:09.187 0.000019 cm/s 2017-08-20 23:25:06.317 0.000011 cm 2017-08-20 23:24:50.297 0.000672 cm/s2 0.000295 cm/s2 0.000065 cm/s2 System-search
OM.BID.--.HHE 0.003449 cm/s2 2017-08-20 23:24:41.526 0.000049 cm/s 2017-08-20 23:24:54.636 0.000018 cm 2017-08-20 23:24:58.176 0.000454 cm/s2 0.000164 cm/s2 0.000149 cm/s2 System-search
OM.BID.--.HHZ 0.004249 cm/s2 2017-08-20 23:24:54.623 0.000059 cm/s 2017-08-20 23:24:34.963 0.00004 cm 2017-08-20 23:24:36.193 0.000876 cm/s2 0.000186 cm/s2 0.000217 cm/s2 System-search

Event 20170820-6

Time: 2017-08-20 23:23:27.430
Position:28.1800°N, 55.7800°E
Place:
Major Place:262 km N of Ra's al Khaymah, UAE
Depth:10.0 km
Magnitude:2.6 ML