Earthquake 20170804-4

2017-08-04 23:38:09.570 51.3 km 4.1 Mwr
28.8776°N, 57.9537°E
391 km NE of Ra's al Khaymah, UAE
Time Error: 1.77 s Depth Error: 48.6 km
Num. Stations: 15 Time RMS: 0.87 s
Num. Phases: 16 Azimuth Gap: 308°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
3.5 ML 28 0.10 NCMS System-search
3.1 M 10 1.0 NCMS System-search
4.0 Mwr 54 0 NCMS System-search
Emblem-favorite 4.1 Mwr 0 0 NCMS System-search
4.1 M 0 0 NCMS System-search

Origin Details

Ellipse Major:49.70 km Min. Distance:3.21° Fixed Depth:no
Ellipse Minor:28.90 km Max. Distance:7.10° Fixed Phase:no
Ellipse Strike:204.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@17223 External Origin ID:HYDRA_RED@34561

Error Ellipse

Azimuth Dip Magnitude Action
Max 204° 117.2 km System-search
Intermediate 51° 80° 72.6 km System-search
Min 294° 67.7 km System-search
Type Traces % DC Misfit/Var. Red. Centroid Best Double Couple Moment Tensor Action
M0 Plane Strike Dip Rake Mrr Mrt Mrp Mtt Mtp Mpp
Ffffffff RMT 54 61% 0.11 73.0 km 1e+15 nt-m NP1
NP2
219.0
20.0
66.0
25.0
98.0
73.0
8.52e+14 -5.7e+14 -6.7e+14 -9.25e+13 -6.48e+14 -7.6e+14 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
AE.SHM.--.HHE 2017-08-04 23:39:37.519 646.2 0.24 s 4.2 ML 3.21° 212.4° System-search
AE.MSF.--.HHN 2017-08-04 23:39:55.759 71.4 0.83 s 3.5 ML 3.84° 205.0° System-search
OM.MDH.--.HHN 2017-08-04 23:39:57.460 17.6 0.35 s 2.9 ML 3.86° 202.9° System-search
DN.NAZ.--.HHE 2017-08-04 23:40:00.210 36.9 0.22 s 3.4 ML 4.38° 208.4° System-search
OM.SOH.--.HHN 2017-08-04 23:40:06.180 5.2 0.51 s 2.7 ML 4.89° 195.4° System-search
DN.ASU.--.HHE 2017-08-04 23:40:10.000 394.0 2.68 s 4.6 ML 4.84° 209.6° System-search
AE.SRB.--.HHE 2017-08-04 23:40:13.450 102.0 0.25 s 4.0 ML 4.93° 223.2° System-search
II.UOSS.10.BH1 2017-08-04 23:40:21.240 17.9 0.75 s 3.0 ML 4.22° 202.1° System-search
DN.HAT.--.HHE 2017-08-04 23:40:21.930 22.8 0.66 s 3.2 ML 4.35° 202.4° System-search
OM.ASH.--.HHE 2017-08-04 23:40:24.140 20.2 0.81 s 3.2 ML 4.51° 202.5° System-search
OM.BID.--.HHN 2017-08-04 23:40:24.599 21.7 0.48 s 3.5 ML 5.34° 178.3° System-search
AE.JRN.--.HHN 2017-08-04 23:40:40.190 11.8 0.22 s 3.4 ML 6.01° 230.5° System-search
AE.ALN.--.HHN 2017-08-04 23:40:42.569 25.8 0.36 s 3.5 ML 5.19° 202.8° System-search
AE.MZR.--.HHE 2017-08-04 23:41:00.779 110.0 0.64 s 4.7 ML 7.10° 215.6° System-search
DN.FAQ.--.HHE 2017-08-04 23:41:26.319 232.4 4.95 s 4.3 ML 4.62° 207.7° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
AE.SHM.--.HHZ Pn 2017-08-04 23:38:57.420 -0.10 s 3.21° 212.4° no Time System-search
OM.MDH.--.HHZ Pn 2017-08-04 23:39:04.730 -1.70 s 3.86° 202.9° no Time System-search
AE.MSF.--.HHZ Pn 2017-08-04 23:39:07.359 1.20 s 3.84° 205.0° no Time System-search
II.UOSS.10.BHZ Pn 2017-08-04 23:39:10.940 -0.40 s 4.22° 202.1° no Time System-search
DN.HAT.--.HHZ Pn 2017-08-04 23:39:12.730 -0.50 s 4.35° 202.4° no Time System-search
DN.NAZ.--.HHZ Pn 2017-08-04 23:39:14.660 1.10 s 4.38° 208.4° no Time System-search
OM.ASH.--.HHZ Pn 2017-08-04 23:39:16.069 0.70 s 4.51° 202.5° no Time System-search
DN.FAQ.--.HHZ Pn 2017-08-04 23:39:17.089 0.10 s 4.62° 207.7° no Time System-search
OM.SOH.--.HHZ Pn 2017-08-04 23:39:19.259 -1.40 s 4.89° 195.4° no Time System-search
AE.SRB.--.HHZ Pn 2017-08-04 23:39:20.589 -0.50 s 4.93° 223.2° no Time System-search
DN.ASU.--.HHZ Pn 2017-08-04 23:39:20.990 1.10 s 4.84° 209.6° no Time System-search
OM.BID.--.HHZ Pn 2017-08-04 23:39:26.720 0 s 5.34° 178.3° no Time System-search
AE.ALN.--.HHZ Pn 2017-08-04 23:39:26.890 2.20 s 5.19° 202.8° no Time System-search
AE.JRN.--.HHZ Pn 2017-08-04 23:39:35.940 0 s 6.01° 230.5° no Time System-search
AE.MSF.--.HHZ Sn 2017-08-04 23:39:50.069 0 s 3.84° 205.0° no Time System-search
AE.MZR.--.HHZ Pn 2017-08-04 23:39:51.849 0.90 s 7.10° 215.6° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170804-4

Time: 2017-08-04 23:38:09.570
Position:28.8776°N, 57.9537°E
Place:
Major Place:391 km NE of Ra's al Khaymah, UAE
Depth:51.3 km
Magnitude:4.1 Mwr