Earthquake 20170820-3

2017-08-20 02:08:17.990 20.0 km 2.9 ML
27.7051°N, 57.7967°E
275 km NE of Ra's al Khaymah, UAE
Time Error: 1.10 s Depth Error: 0.70 km
Num. Stations: 11 Time RMS: 0.54 s
Num. Phases: 12 Azimuth Gap: 303°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
2.6 mb_Lg 8 0.20 NCMS System-search
Emblem-favorite 2.9 ML 21 0.10 NCMS System-search
2.7 M 31 0.40 NCMS System-search
2.9 ML 0 0 NCMS System-search
2.9 M 0 0 NCMS System-search

Origin Details

Ellipse Major:56.10 km Min. Distance:2.21° Fixed Depth:no
Ellipse Minor:22.80 km Max. Distance:4.18° Fixed Phase:no
Ellipse Strike:200.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Unknown
External Event ID:HYDRA_RED@17957 External Origin ID:HYDRA_RED@35974

Error Ellipse

Azimuth Dip Magnitude Action
Max 200° 132.0 km System-search
Intermediate 290° 53.7 km System-search
Min 30° 89° 1.1 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
AE.SHM.--.HHE 2017-08-20 02:09:18.539 954.6 0.22 s 4.0 ML 2.21° 225.6° System-search
AE.SHM.--.HHZ 2017-08-20 02:09:30.607 74.8 0.87 s 3.1 mb_Lg 2.21° 225.6° System-search
AE.MSF.--.HHN 2017-08-20 02:09:36.180 81.4 0.68 s 3.2 ML 2.75° 212.6° System-search
OM.MDH.--.HHE 2017-08-20 02:09:39.740 22.4 0.39 s 2.6 ML 2.75° 209.6° System-search
II.UOSS.10.BH1 2017-08-20 02:09:47.470 16.1 0.60 s 2.6 ML 3.10° 207.8° System-search
OM.MDH.--.HHZ 2017-08-20 02:09:51.997 11.8 1.05 s 2.3 mb_Lg 2.75° 209.6° System-search
AE.MSF.--.HHZ 2017-08-20 02:09:52.527 56.0 1.24 s 3.0 mb_Lg 2.75° 212.6° System-search
DN.HAT.--.HHE 2017-08-20 02:09:56.849 13.8 0.64 s 2.6 ML 3.23° 207.9° System-search
II.UOSS.10.BHZ 2017-08-20 02:09:59.368 15.9 1.27 s 2.5 mb_Lg 3.10° 207.8° System-search
DN.NAZ.--.HHZ 2017-08-20 02:10:03.828 17.8 1.04 s 2.6 mb_Lg 3.31° 215.8° System-search
DN.NAZ.--.HHE 2017-08-20 02:10:04.589 22.5 0.69 s 2.8 ML 3.31° 215.8° System-search
OM.ASH.--.HHZ 2017-08-20 02:10:06.558 11.2 0.93 s 2.4 mb_Lg 3.39° 207.8° System-search
DN.HAT.--.HHZ 2017-08-20 02:10:06.885 10.3 0.71 s 2.4 mb_Lg 3.23° 207.9° System-search
DN.FAQ.--.HHE 2017-08-20 02:10:07.470 231.6 2.33 s 3.9 ML 3.55° 214.4° System-search
OM.ASH.--.HHN 2017-08-20 02:10:07.900 14.8 0.37 s 2.7 ML 3.39° 207.8° System-search
AE.SRB.--.HHN 2017-08-20 02:10:20.160 52.9 1.51 s 3.4 ML 4.04° 233.0° System-search
OM.SOH.--.HHN 2017-08-20 02:10:31.539 3.4 1.60 s 2.1 ML 3.73° 198.0° System-search
AE.ALN.--.HHZ 2017-08-20 02:10:37.752 15.2 1.02 s 2.6 mb_Lg 4.07° 207.3° System-search
OM.BID.--.HHN 2017-08-20 02:10:46.230 18.0 1.85 s 3.0 ML 4.18° 175.8° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
AE.SHM.--.HHZ Pn 2017-08-20 02:08:53.569 0 s 2.21° 225.6° no Time System-search
OM.MDH.--.HHZ Pn 2017-08-20 02:08:58.799 -2.10 s 2.75° 209.6° no Time System-search
AE.MSF.--.HHZ Pn 2017-08-20 02:08:59.339 -1.70 s 2.75° 212.6° no Time System-search
II.UOSS.10.BHZ Pn 2017-08-20 02:09:05.769 0 s 3.10° 207.8° no Time System-search
DN.HAT.--.HHZ Pn 2017-08-20 02:09:08.309 0.70 s 3.23° 207.9° no Time System-search
DN.NAZ.--.HHZ Pn 2017-08-20 02:09:09.089 0.30 s 3.31° 215.8° no Time System-search
OM.ASH.--.HHZ Pn 2017-08-20 02:09:10.099 0.30 s 3.39° 207.8° no Time System-search
DN.FAQ.--.HHZ Pn 2017-08-20 02:09:11.599 -0.40 s 3.55° 214.4° no Time System-search
OM.SOH.--.HHZ Pn 2017-08-20 02:09:12.819 -1.70 s 3.73° 198.0° no Time System-search
AE.SRB.--.HHZ Pn 2017-08-20 02:09:16.559 -2.20 s 4.04° 233.0° no Time System-search
OM.BID.--.HHZ Pn 2017-08-20 02:09:20.640 0 s 4.18° 175.8° no Time System-search
AE.MSF.--.HHZ Sn 2017-08-20 02:09:33.789 0.10 s 2.75° 212.6° 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 0.007096 cm/s2 2017-08-20 02:10:10.909 0.000096 cm/s 2017-08-20 02:10:00.499 0.00001 cm 2017-08-20 02:09:59.589 0.00252 cm/s2 0.000333 cm/s2 0.000098 cm/s2 System-search
AE.AJN.--.HHN 0.005222 cm/s2 2017-08-20 02:10:11.359 0.000088 cm/s 2017-08-20 02:10:00.139 0.000018 cm 2017-08-20 02:10:00.219 0.002964 cm/s2 0.000468 cm/s2 0.000102 cm/s2 System-search
AE.AJN.--.HNE 0.006478 cm/s2 2017-08-20 02:10:10.909 0.000288 cm/s 2017-08-20 02:10:00.719 0.00023 cm 2017-08-20 02:09:59.519 0.002614 cm/s2 0.000779 cm/s2 0.000655 cm/s2 System-search
AE.AJN.--.HNN 0.005446 cm/s2 2017-08-20 02:10:11.359 0.000163 cm/s 2017-08-20 02:09:40.279 0.000179 cm 2017-08-20 02:09:43.659 0.003085 cm/s2 0.000589 cm/s2 0.000519 cm/s2 System-search
AE.MSF.--.HHE 0.0067 cm/s2 2017-08-20 02:09:39.435 0.000186 cm/s 2017-08-20 02:09:35.825 0.000016 cm 2017-08-20 02:09:41.755 0.010278 cm/s2 0.001122 cm/s2 0.000208 cm/s2 System-search
AE.MSF.--.HHN 0.0066 cm/s2 2017-08-20 02:09:36.325 0.000175 cm/s 2017-08-20 02:09:35.595 0.000023 cm 2017-08-20 02:09:35.785 0.007145 cm/s2 0.001296 cm/s2 0.000266 cm/s2 System-search
AE.MSF.--.HHZ 0.006606 cm/s2 2017-08-20 02:09:39.895 0.000164 cm/s 2017-08-20 02:09:38.205 0.00002 cm 2017-08-20 02:09:31.845 0.005445 cm/s2 0.001055 cm/s2 0.000316 cm/s2 System-search
AE.MSF.--.HNZ 0.011991 cm/s2 2017-08-20 02:09:39.465 0.000331 cm/s 2017-08-20 02:09:39.485 0.000162 cm 2017-08-20 02:09:11.835 0.009622 cm/s2 0.001839 cm/s2 0.001811 cm/s2 System-search
AE.MZR.--.HNN 0.005389 cm/s2 2017-08-20 02:10:50.715 0.000212 cm/s 2017-08-20 02:10:57.855 0.000262 cm 2017-08-20 02:10:59.265 0.005353 cm/s2 0.0009 cm/s2 0.000916 cm/s2 System-search
AE.SHM.--.HHE 0.195319 cm/s2 2017-08-20 02:09:20.301 0.003591 cm/s 2017-08-20 02:09:19.341 0.000125 cm 2017-08-20 02:09:19.311 0.117287 cm/s2 0.006191 cm/s2 0.001 cm/s2 System-search
AE.SHM.--.HHN 0.184511 cm/s2 2017-08-20 02:09:21.231 0.003706 cm/s 2017-08-20 02:09:19.441 0.000104 cm 2017-08-20 02:09:17.801 0.08715 cm/s2 0.005879 cm/s2 0.000797 cm/s2 System-search
AE.SHM.--.HHZ 0.104113 cm/s2 2017-08-20 02:09:19.701 0.002319 cm/s 2017-08-20 02:09:19.621 0.000053 cm 2017-08-20 02:09:19.481 0.07565 cm/s2 0.003877 cm/s2 0.000585 cm/s2 System-search
AE.SHM.--.HNE 0.133239 cm/s2 2017-08-20 02:09:20.081 0.002725 cm/s 2017-08-20 02:09:19.441 0.00015 cm 2017-08-20 02:09:26.131 0.077123 cm/s2 0.004147 cm/s2 0.000758 cm/s2 System-search
AE.SHM.--.HNN 0.143506 cm/s2 2017-08-20 02:09:20.301 0.002892 cm/s 2017-08-20 02:09:18.441 0.000175 cm 2017-08-20 02:08:56.871 0.080103 cm/s2 0.005418 cm/s2 0.000762 cm/s2 System-search
AE.SHM.--.HNZ 0.074209 cm/s2 2017-08-20 02:09:19.701 0.001708 cm/s 2017-08-20 02:09:19.621 0.000125 cm 2017-08-20 02:09:28.691 0.055053 cm/s2 0.002839 cm/s2 0.0005 cm/s2 System-search
AE.SRB.--.HNE 0.004287 cm/s2 2017-08-20 02:10:04.573 0.000145 cm/s 2017-08-20 02:10:02.483 0.000072 cm 2017-08-20 02:10:00.253 0.004233 cm/s2 0.000935 cm/s2 0.000256 cm/s2 System-search
AE.SRB.--.HNN 0.004841 cm/s2 2017-08-20 02:09:58.383 0.000113 cm/s 2017-08-20 02:10:02.043 0.00006 cm 2017-08-20 02:10:03.413 0.004155 cm/s2 0.000888 cm/s2 0.000248 cm/s2 System-search
AE.SRB.--.HNZ 0.005141 cm/s2 2017-08-20 02:09:59.443 0.000122 cm/s 2017-08-20 02:09:58.463 0.00006 cm 2017-08-20 02:10:07.753 0.001716 cm/s2 0.00118 cm/s2 0.000414 cm/s2 System-search
DN.FAQ.--.HHE 0.003438 cm/s2 2017-08-20 02:09:52.768 0.000057 cm/s 2017-08-20 02:10:00.208 0.000011 cm 2017-08-20 02:09:47.028 0.002335 cm/s2 0.000306 cm/s2 0.000132 cm/s2 System-search
DN.FAQ.--.HHZ 0.003409 cm/s2 2017-08-20 02:09:54.898 0.000043 cm/s 2017-08-20 02:09:49.808 0.000009 cm 2017-08-20 02:09:54.938 0.001904 cm/s2 0.000168 cm/s2 0.000104 cm/s2 System-search
DN.HAT.--.HHE 0.001923 cm/s2 2017-08-20 02:09:51.644 0.000034 cm/s 2017-08-20 02:09:51.984 0.000009 cm 2017-08-20 02:09:37.174 0.002154 cm/s2 0.000238 cm/s2 0.000163 cm/s2 System-search
DN.HAT.--.HHZ 0.001891 cm/s2 2017-08-20 02:09:52.144 0.000039 cm/s 2017-08-20 02:09:45.864 0.000014 cm 2017-08-20 02:09:44.914 0.001677 cm/s2 0.000203 cm/s2 0.000178 cm/s2 System-search
II.UOSS.10.BH1 0.0 cm/s2 2017-08-20 02:09:41.229 0.0 cm/s 2017-08-20 02:09:39.454 0.0 cm 2017-08-20 02:09:41.229 0.0 cm/s2 0.0 cm/s2 0.0 cm/s2 System-search
OM.ASH.--.HHE 0.000799 cm/s2 2017-08-20 02:09:50.400 0.000028 cm/s 2017-08-20 02:09:56.960 0.000005 cm 2017-08-20 02:09:27.470 0.002058 cm/s2 0.000221 cm/s2 0.000107 cm/s2 System-search
OM.ASH.--.HHN 0.000687 cm/s2 2017-08-20 02:09:50.137 0.000023 cm/s 2017-08-20 02:09:49.947 0.000008 cm 2017-08-20 02:09:50.727 0.001677 cm/s2 0.000201 cm/s2 0.000096 cm/s2 System-search
OM.BID.--.HHE 0.002685 cm/s2 2017-08-20 02:10:10.788 0.000063 cm/s 2017-08-20 02:10:13.208 0.000018 cm 2017-08-20 02:10:12.508 0.001445 cm/s2 0.000241 cm/s2 0.000204 cm/s2 System-search
OM.MDH.--.HHE 0.008888 cm/s2 2017-08-20 02:09:33.762 0.000104 cm/s 2017-08-20 02:09:39.752 0.000005 cm 2017-08-20 02:09:38.502 0.002797 cm/s2 0.000233 cm/s2 0.000087 cm/s2 System-search
OM.MDH.--.HHN 0.009322 cm/s2 2017-08-20 02:09:29.062 0.000104 cm/s 2017-08-20 02:09:30.012 0.000004 cm 2017-08-20 02:09:29.992 0.002128 cm/s2 0.000205 cm/s2 0.000071 cm/s2 System-search
OM.MDH.--.HHZ 0.007888 cm/s2 2017-08-20 02:09:27.982 0.000086 cm/s 2017-08-20 02:09:39.662 0.000005 cm 2017-08-20 02:09:26.972 0.001934 cm/s2 0.00021 cm/s2 0.000146 cm/s2 System-search
OM.SOH.--.HHN 0.001172 cm/s2 2017-08-20 02:09:54.505 0.000012 cm/s 2017-08-20 02:10:00.875 0.000005 cm 2017-08-20 02:09:49.775 0.000254 cm/s2 0.000058 cm/s2 0.000046 cm/s2 System-search

Event 20170820-3

Time: 2017-08-20 02:08:17.990
Position:27.7051°N, 57.7967°E
Place:
Major Place:275 km NE of Ra's al Khaymah, UAE
Depth:20.0 km
Magnitude:2.9 ML