Earthquake 20170918-9

2017-09-18 13:22:51.680 15.5 km 2.6 ML
25.8600°N, 58.9702°E
252 km N of Muscat, Oman
Time Error: 1.07 s Depth Error: 16.6 km
Num. Stations: 10 Time RMS: 0.53 s
Num. Phases: 12 Azimuth Gap: 282°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
2.2 mb_Lg 10 0.20 NCMS System-search
Emblem-favorite 2.6 ML 19 0.10 NCMS System-search
2.4 M 29 0.30 NCMS System-search
2.6 ML 0 0 NCMS System-search
2.6 M 0 0 NCMS System-search

Origin Details

Ellipse Major:50.80 km Min. Distance:2.45° Fixed Depth:no
Ellipse Minor:16.60 km Max. Distance:4.33° Fixed Phase:no
Ellipse Strike:55.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18472 External Origin ID:HYDRA_RED@36962

Error Ellipse

Azimuth Dip Magnitude Action
Max 235° 119.6 km System-search
Intermediate 325° 39.1 km System-search
Min 109° 86° 24.7 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
OM.BID.--.HHE 2017-09-18 13:24:06.380 30.8 0.47 s 2.6 ML 2.45° 198.4° System-search
OM.MDH.--.HHN 2017-09-18 13:24:07.549 8.0 0.23 s 2.0 ML 2.48° 257.5° System-search
OM.MDH.--.HHZ 2017-09-18 13:24:09.514 5.0 0.84 s 1.9 mb_Lg 2.48° 257.5° System-search
OM.BID.--.HHZ 2017-09-18 13:24:09.569 14.5 0.75 s 2.4 mb_Lg 2.45° 198.4° System-search
AE.SHM.--.HHN 2017-09-18 13:24:10.720 50.9 0.33 s 2.9 ML 2.65° 276.7° System-search
II.UOSS.10.BHZ 2017-09-18 13:24:16.684 2.8 0.70 s 1.7 mb_Lg 2.66° 250.6° System-search
AE.MSF.--.HHE 2017-09-18 13:24:17.359 22.8 0.60 s 2.5 ML 2.58° 259.8° System-search
II.UOSS.10.BH1 2017-09-18 13:24:17.670 12.1 0.55 s 2.3 ML 2.66° 250.6° System-search
AE.MSF.--.HHZ 2017-09-18 13:24:18.114 23.5 1.28 s 2.6 mb_Lg 2.58° 259.8° System-search
OM.SOH.--.HHZ 2017-09-18 13:24:19.697 3.5 0.80 s 1.8 mb_Lg 2.80° 232.7° System-search
DN.HAT.--.HHE 2017-09-18 13:24:20.039 10.3 0.84 s 2.3 ML 2.77° 248.8° System-search
DN.HAT.--.HHZ 2017-09-18 13:24:20.933 5.4 0.71 s 2.0 mb_Lg 2.77° 248.8° System-search
OM.ASH.--.HHE 2017-09-18 13:24:22.029 15.4 0.72 s 2.5 ML 2.88° 246.7° System-search
AE.SHM.--.HHZ 2017-09-18 13:24:22.081 18.3 0.98 s 2.5 mb_Lg 2.65° 276.7° System-search
OM.ASH.--.HHZ 2017-09-18 13:24:25.927 6.4 0.74 s 2.1 mb_Lg 2.88° 246.7° System-search
DN.NAZ.--.HHZ 2017-09-18 13:24:31.612 6.1 0.83 s 2.1 mb_Lg 3.11° 254.5° System-search
AE.ALN.--.HHN 2017-09-18 13:24:33.390 23.9 0.49 s 2.9 ML 3.43° 239.1° System-search
DN.FAQ.--.HHN 2017-09-18 13:24:36.279 130.0 1.16 s 3.5 ML 3.25° 250.8° System-search
AE.ALN.--.HHZ 2017-09-18 13:24:41.621 9.8 0.70 s 2.4 mb_Lg 3.43° 239.1° System-search
AE.SRB.--.HHE 2017-09-18 13:24:52.650 21.0 0.98 s 3.1 ML 4.33° 262.6° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
OM.BID.--.HHZ Pn 2017-09-18 13:23:31.059 0 s 2.45° 198.4° no Time System-search
OM.MDH.--.HHZ Pn 2017-09-18 13:23:31.299 -0.10 s 2.48° 257.5° yes Time System-search
AE.MSF.--.HHZ Pn 2017-09-18 13:23:32.690 -0.30 s 2.58° 259.8° no Time System-search
II.UOSS.10.BHZ Pn 2017-09-18 13:23:33.569 -0.40 s 2.66° 250.6° no Time System-search
AE.SHM.--.HHZ Pn 2017-09-18 13:23:33.880 0 s 2.65° 276.7° no Time System-search
DN.HAT.--.HHZ Pn 2017-09-18 13:23:35.640 0.20 s 2.77° 248.8° no Time System-search
OM.ASH.--.HHZ Pn 2017-09-18 13:23:36.990 -0.10 s 2.88° 246.7° no Time System-search
DN.FAQ.--.HHZ Pn 2017-09-18 13:23:44.269 2.10 s 3.25° 250.8° no Time System-search
AE.ALN.--.HHZ Pn 2017-09-18 13:23:46.250 1.70 s 3.43° 239.1° no Time System-search
AE.SRB.--.HHZ Pn 2017-09-18 13:23:57.569 0.70 s 4.33° 262.6° no Time System-search
AE.MSF.--.HHZ Sn 2017-09-18 13:24:01.180 -2.90 s 2.58° 259.8° no Time System-search
OM.MDH.--.HHZ Sn 2017-09-18 13:24:02.869 1.50 s 2.48° 257.5° 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.MZR.--.HHE 0.006633 cm/s2 2017-09-18 13:24:23.638 0.000056 cm/s 2017-09-18 13:24:28.628 0.000023 cm 2017-09-18 13:24:29.898 0.000937 cm/s2 0.000246 cm/s2 0.000154 cm/s2 System-search
OM.MDH.--.HHZ 0.002331 cm/s2 2017-09-18 13:23:34.245 0.000033 cm/s 2017-09-18 13:23:34.435 0.000003 cm 2017-09-18 13:23:35.415 0.001107 cm/s2 0.000099 cm/s2 0.000023 cm/s2 System-search

Event 20170918-9

Time: 2017-09-18 13:22:51.680
Position:25.8600°N, 58.9702°E
Place:
Major Place:252 km N of Muscat, Oman
Depth:15.5 km
Magnitude:2.6 ML