Event 20210904-40
2021-09-04 18:11:59.050 UTC 18.26 km 3.14 Ml
28.8982°N, 34.8473°E
45 km S of Haql,SA
Time Error: Analysis Type: Manual
Time RMS: 0.070 s Num. Stations: 33
Depth Error: 1.30 km Num. Phases: 16
Reference Elevation: 0.68 km Max. Intensity (MMI):
Azimuth Gap: 199° Effects Type:
 
MS
Magnitudes
Preferred Magnitude Stations Error Author Action
2.97 Mw 1 Action show
Emblem favorite 3.14 Ml 7 0 Action show
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 0.17° Source Radius:
Max. Distance: 3.17° 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 1.32 km 330.00° 79.00° Action show
Intermediate 0.63 km 94.00° 5.00° Action show
Minimum 0.23 km 185.00° 9.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
SA.HAQS.--.HHZ 0.2 0.30 s 2.97 Mw (RSA) Action show
SA.HAQS.--.HHE 2021-09-04 18:12:07.620 UTC 12.1 0.12 s 3.21 Ml 0.17° 24.0° Action show
SA.JMOS.--.HHN 2021-09-04 18:12:12.280 UTC 3.7 0.12 s 2.95 Ml 0.35° 40.0° Action show
SA.JMOS.--.HHE 2021-09-04 18:12:13.580 UTC 5.1 0.22 s 3.07 Ml 0.35° 40.0° Action show
SA.HQLS.--.HHN 2021-09-04 18:12:14.730 UTC 4.6 0.16 s 3.12 Ml 0.44° 25.0° Action show
SA.HQLS.--.HHE 2021-09-04 18:12:16.120 UTC 5.0 0.100 s 3.15 Ml 0.44° 25.0° Action show
SA.BDAS.--.HHE 2021-09-04 18:12:16.590 UTC 7.2 0.080 s 3.35 Ml 0.51° 155.0° Action show
SA.KRABS.--.HHE 2021-09-04 18:12:27.010 UTC 3.8 0.18 s 3.33 Ml 0.87° 155.0° Action show
SA.KRABS.--.HHN 2021-09-04 18:12:27.490 UTC 3.9 0.16 s 3.34 Ml 0.87° 155.0° Action show
SA.TBKS.--.HHE 2021-09-04 18:12:53.420 UTC 1.0 0.22 s 3.11 Ml 1.64° 113.0° Action show
SA.TBKS.--.HHN 2021-09-04 18:12:53.460 UTC 1.0 0.24 s 3.11 Ml 1.64° 113.0° Action show
SA.WJHS.--.HHE 2021-09-04 18:13:20.430 UTC 0.1 0.18 s 2.70 Ml 2.56° 147.0° Action show
SA.WJHS.--.HHN 2021-09-04 18:13:23.370 UTC 0.1 0.22 s 2.70 Ml 2.56° 147.0° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
SA.HAQS.--.HHZ P 2021-09-04 18:12:03.396 UTC -0.040 s Unspecified 0.17° 24.0° no Action show
SA.JMOS.--.HHZ P 2021-09-04 18:12:06.220 UTC 0.030 s Unspecified 0.35° 40.0° no Action show
SA.HAQS.--.HHN S 2021-09-04 18:12:06.713 UTC -0.020 s Unspecified 0.17° 24.0° no Action show
SA.HQLS.--.HHZ P 2021-09-04 18:12:07.675 UTC 0.030 s Unspecified 0.44° 25.0° no Action show
SA.BDAS.--.HHZ P 2021-09-04 18:12:08.874 UTC 0.12 s Unspecified 0.51° 155.0° no Action show
SA.JLOS.--.HHZ P 2021-09-04 18:12:10.008 UTC -0.070 s Unspecified 0.59° 105.0° no Action show
SA.RSHS.--.HHZ P 2021-09-04 18:12:10.176 UTC -0.060 s Unspecified 0.60° 185.0° no Action show
SA.JMOS.--.HHN S 2021-09-04 18:12:11.509 UTC -0.030 s Unspecified 0.35° 40.0° no Action show
GE.EIL.--.BHZ P 2021-09-04 18:12:12.793 UTC -0.42 s Unspecified 0.77° 6.0° no Action show
SA.AYUS.--.HHZ P 2021-09-04 18:12:13.562 UTC -0.050 s Unspecified 0.80° 152.0° no Action show
SA.HQLS.--.HHN S 2021-09-04 18:12:14.153 UTC 0.050 s Unspecified 0.44° 25.0° no Action show
SA.KRABS.--.HHZ P 2021-09-04 18:12:14.755 UTC -0.080 s Unspecified 0.87° 155.0° no Action show
SA.BDAS.--.HHE S 2021-09-04 18:12:16.128 UTC 0.10 s Unspecified 0.51° 155.0° no Action show
SA.JLOS.--.HHN S 2021-09-04 18:12:18.436 UTC 0.090 s Unspecified 0.59° 105.0° no Action show
SA.RSHS.--.HHN S 2021-09-04 18:12:18.746 UTC 0.12 s Unspecified 0.60° 185.0° no Action show
GE.EIL.--.BHE S 2021-09-04 18:12:24.182 UTC 0.35 s Unspecified 0.77° 6.0° no Action show
SA.AYUS.--.HHE S 2021-09-04 18:12:24.428 UTC -0.10 s Unspecified 0.80° 152.0° no Action show
SA.SHQRE.--.HHZ P 2021-09-04 18:12:25.110 UTC 0.90 s Unspecified 1.54° 130.0° no Action show
SA.KRABS.--.HHN S 2021-09-04 18:12:26.614 UTC -0.070 s Unspecified 0.87° 155.0° no Action show
SA.TBKS.--.HHZ P 2021-09-04 18:12:26.696 UTC 1.03 s Unspecified 1.64° 113.0° no Action show
SA.DESA.--.HHZ P 2021-09-04 18:12:28.462 UTC 0.43 s Unspecified 1.81° 139.0° no Action show
SA.WJHS.--.HHZ P 2021-09-04 18:12:38.816 UTC 0.41 s Unspecified 2.56° 147.0° no Action show
SA.BIDS.--.HHZ P 2021-09-04 18:12:42.167 UTC 1.00 s Unspecified 2.76° 136.0° no Action show
SA.EWJHS.--.HHZ P 2021-09-04 18:12:46.866 UTC -0.010 s Unspecified 3.17° 149.0° no Action show

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
SA.HAQS.--.HHE II 1.0644 0.0177
SA.HAQS.--.HHN II 1.0540 0.0157
SA.HAQS.--.HHZ II 0.5616 0.0092

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