Event 20190404-9
2019-04-04 04:16:09.810 UTC 12.49 km 4.07 Ml
24.7260°N, 49.1548°E
67 km N of Haradh,SA
Time Error: Analysis Type: Manual
Time RMS: 0.33 s Num. Stations: 26
Depth Error: 1.50 km Num. Phases: 17
Reference Elevation: 0.30 km Max. Intensity (MMI):
Azimuth Gap: 156° Effects Type:
 
YS
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 4.07 Ml 20 0 Action show
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 0.13° Source Radius:
Max. Distance: 2.25° Location Method:
Fixed Location: no Author:
Fixed Depth: no Event Type:
Fixed Phase: no External Event ID:
Fixed Time: no External Origin ID:
 
Error Ellipse
Length Azimuth Dip Action
Maximum 1.81 km 280.00° 55.00° Action show
Intermediate 1.09 km 61.00° 28.00° Action show
Minimum 0.84 km 161.00° 19.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
SA.NHRD.--.HHE 2019-04-04 04:16:17.750 UTC 79.8 0.38 s 3.74 Ml 0.13° 269.0° Action show
SA.NHRD.--.HHN 2019-04-04 04:16:20.510 UTC 305.5 0.40 s 4.33 Ml 0.13° 269.0° Action show
SA.NHFOF.--.HHE 2019-04-04 04:16:45.210 UTC 51.6 0.46 s 4.38 Ml 0.85° 7.0° Action show
SA.NHFOF.--.HHN 2019-04-04 04:16:46.300 UTC 29.0 0.36 s 4.13 Ml 0.85° 7.0° Action show
SA.SHOFU.--.HHE 2019-04-04 04:16:46.620 UTC 35.8 0.70 s 4.00 Ml 0.62° 65.0° Action show
SA.SHOFU.--.HHN 2019-04-04 04:16:47.540 UTC 51.8 0.70 s 4.16 Ml 0.62° 65.0° Action show
SA.HOFOF.--.HHE 2019-04-04 04:16:47.730 UTC 20.7 0.40 s 4.07 Ml 0.95° 45.0° Action show
SA.HOFOF.--.HHN 2019-04-04 04:16:50.400 UTC 19.9 0.40 s 4.05 Ml 0.95° 45.0° Action show
SA.SLWN.--.HHN 2019-04-04 04:16:58.970 UTC 7.6 0.30 s 3.94 Ml 1.36° 86.0° Action show
SA.BOQS.--.HHN 2019-04-04 04:16:59.240 UTC 21.7 0.54 s 4.25 Ml 1.16° 9.0° Action show
SA.BOQS.--.HHE 2019-04-04 04:16:59.930 UTC 19.1 0.54 s 4.19 Ml 1.16° 9.0° Action show
SA.SLWN.--.HHE 2019-04-04 04:17:02.560 UTC 7.9 0.34 s 3.95 Ml 1.36° 86.0° Action show
SA.ARIRA.--.HHE 2019-04-04 04:17:03.950 UTC 21.5 0.40 s 4.50 Ml 1.52° 351.0° Action show
SA.BTHS.--.HHN 2019-04-04 04:17:05.500 UTC 10.1 0.30 s 4.29 Ml 1.69° 113.0° Action show
SA.BTHS.--.HHE 2019-04-04 04:17:05.800 UTC 10.8 0.34 s 4.32 Ml 1.69° 113.0° Action show
SA.SMAN.--.HHN 2019-04-04 04:17:09.910 UTC 7.7 0.36 s 4.22 Ml 1.75° 326.0° Action show
SA.SMAN.--.HHE 2019-04-04 04:17:11.630 UTC 5.1 0.38 s 4.04 Ml 1.75° 326.0° Action show
SA.RMAH.--.HHE 2019-04-04 04:17:22.130 UTC 6.8 0.40 s 4.39 Ml 2.15° 288.0° Action show
SA.RMAH.--.HHN 2019-04-04 04:17:25.520 UTC 7.3 0.50 s 4.42 Ml 2.15° 288.0° Action show
SA.WANAN.--.HHE 2019-04-04 04:17:34.370 UTC 4.3 0.30 s 4.24 Ml 2.25° 345.0° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
SA.NHRD.--.HHZ P 2019-04-04 04:16:12.743 UTC -0.30 s Unspecified 0.13° 269.0° no Action show
SA.NHRD.--.HHN S 2019-04-04 04:16:15.718 UTC 0.26 s Unspecified 0.13° 269.0° no Action show
SA.SHOFU.--.HHZ P 2019-04-04 04:16:22.053 UTC 0.59 s Unspecified 0.62° 65.0° no Action show
SA.NHFOF.--.HHZ P 2019-04-04 04:16:26.431 UTC 1.07 s Unspecified 0.85° 7.0° no Action show
SA.HOFOF.--.HHZ P 2019-04-04 04:16:28.889 UTC 1.78 s Unspecified 0.95° 45.0° no Action show
SA.SHOFU.--.HHE S 2019-04-04 04:16:31.847 UTC 1.65 s Unspecified 0.62° 65.0° no Action show
SA.BOQS.--.HHZ P 2019-04-04 04:16:32.095 UTC 1.87 s Unspecified 1.16° 9.0° no Action show
SA.SLWN.--.HHZ P 2019-04-04 04:16:36.260 UTC 3.24 s Unspecified 1.36° 86.0° no Action show
SA.ARIRA.--.HHZ P 2019-04-04 04:16:39.055 UTC 3.77 s Unspecified 1.52° 351.0° no Action show
SA.BTHS.--.HHZ P 2019-04-04 04:16:41.021 UTC 3.43 s Unspecified 1.69° 113.0° no Action show
SA.SMAN.--.HHZ P 2019-04-04 04:16:42.294 UTC 3.80 s Unspecified 1.75° 326.0° no Action show
SA.RMAH.--.HHZ P 2019-04-04 04:16:47.336 UTC 3.27 s Unspecified 2.15° 288.0° no Action show
SA.WANAN.--.HHZ P 2019-04-04 04:16:48.576 UTC 3.15 s Unspecified 2.25° 345.0° no Action show

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
SA.NHFOF.--.HHE I 0.5701 0.0336
SA.NHFOF.--.HHN I 0.4868 0.0254
SA.NHFOF.--.HHZ I 0.3815 0.0134

Perceived shaking Not felt Very weak Weak Light Moderate Strong Very strong Severe Violent Extreme
Potential damage None None None None Very light Light Moderate Mod./Heavy Heavy Very heavy
Max peak acc. (cm/s2) 0.98 4.9 24 66 128 235 432 814 1530 999999
Max peak vel. (cm/s) 0.07 0.4 1.9 5.8 11 22 43 83 160 999999
Instrumental intensity I II III IV V VI VII VIII IX X