Event 20210220-6
2021-02-20 17:00:44.830 UTC 9.71 km 3.6 Ml
35.8787°N, 28.1743°E
397.0 km W of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.30 s Num. Stations: 18
Depth Error: 1.30 km Num. Phases: 29
Reference Elevation: 0.73 km Max. Intensity (MMI):
Azimuth: 115° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
3.6 Ml 14 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 0.33° Source Radius:
Max. Distance: 4.88° Location Method:
Fixed Location: no Author:
Fixed Depth: no Event Type:
Fixed Phase: no External Event ID:
Fixed Time: no External Origin ID:
Horizontal Error:
Error Ellipse
Length Azimuth Dip
Maximum 1.37 km 330.00° 72.00°
Intermediate 0.84 km 206.00° 10.00°
Minimum 0.53 km 113.00° 15.00°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
HL.KARP.--.HHE 2021-02-20 17:01:16.260 UTC 35.3 0.32 s 4.0 Ml 0.89° 249.0°
HL.KARP.--.HHN 2021-02-20 17:01:18.080 UTC 26.6 0.76 s 3.9 Ml 0.89° 249.0°
HL.ZKR.--.HHN 2021-02-20 17:01:43.960 UTC 7.0 0.70 s 4.1 Ml 1.77° 246.0°
HL.ZKR.--.HHE 2021-02-20 17:01:49.020 UTC 13.1 0.60 s 4.4 Ml 1.77° 246.0°
CQ.OSC1.01.HHN 2021-02-20 17:02:24.170 UTC 0.2 0.38 s 3.4 Ml 3.49° 131.0°
CQ.AKMS.--.HHN 2021-02-20 17:02:24.850 UTC 0.5 0.30 s 3.5 Ml 3.51° 102.0°
CQ.AKMS.--.HHE 2021-02-20 17:02:27.270 UTC 0.7 0.54 s 3.7 Ml 3.51° 102.0°
CQ.ALEF.--.HHN 2021-02-20 17:02:29.090 UTC 0.4 0.28 s 3.4 Ml 3.68° 100.0°
CQ.ALEF.--.HHE 2021-02-20 17:02:30.540 UTC 0.3 0.28 s 3.4 Ml 3.68° 100.0°
CQ.OSC1.01.HHE 2021-02-20 17:02:33.180 UTC 0.2 0.58 s 3.6 Ml 3.49° 131.0°
CQ.NATA.--.HHE 2021-02-20 17:02:36.680 UTC 1.4 0.90 s 3.8 Ml 3.76° 105.0°
CQ.APOL.--.HHE 2021-02-20 17:02:38.500 UTC 0.4 0.44 s 3.6 Ml 4.02° 106.0°
CQ.XYLS.--.HHN 2021-02-20 17:02:38.550 UTC 0.4 0.70 s 3.6 Ml 4.08° 100.0°
CQ.XYLS.--.HHE 2021-02-20 17:02:39.060 UTC 0.3 0.36 s 3.5 Ml 4.08° 100.0°
CQ.NATA.--.HHN 2021-02-20 17:02:40.140 UTC 1.1 0.70 s 3.7 Ml 3.76° 105.0°
CQ.TROD.--.HHN 2021-02-20 17:02:42.970 UTC 0.3 1.02 s 3.7 Ml 3.95° 102.0°
CQ.TROD.--.HHE 2021-02-20 17:02:43.060 UTC 0.3 0.74 s 3.7 Ml 3.95° 102.0°
GE.CSS.--.HHE 2021-02-20 17:02:44.650 UTC 0.2 1.06 s 3.6 Ml 4.31° 100.0°
CQ.APOL.--.HHN 2021-02-20 17:02:44.680 UTC 0.3 0.58 s 3.5 Ml 4.02° 106.0°
GE.CSS.--.HHN 2021-02-20 17:02:44.980 UTC 0.2 0.42 s 3.5 Ml 4.31° 100.0°
CQ.ASGA.--.HHE 2021-02-20 17:02:46.100 UTC 0.3 0.62 s 3.6 Ml 4.29° 103.0°
CQ.PARA.--.HHE 2021-02-20 17:02:48.870 UTC 0.2 0.92 s 3.6 Ml 4.88° 98.0°
CQ.ASGA.--.HHN 2021-02-20 17:02:48.990 UTC 0.3 0.58 s 3.6 Ml 4.29° 103.0°
CQ.ATHA.--.HHN 2021-02-20 17:02:56.710 UTC 0.6 0.68 s 3.7 Ml 4.33° 98.0°
CQ.ATHA.--.HHE 2021-02-20 17:02:57.300 UTC 0.5 1.18 s 3.6 Ml 4.33° 98.0°
CQ.MVOU.--.HHN 2021-02-20 17:03:04.810 UTC 0.2 0.54 s 3.5 Ml 4.54° 99.0°
CQ.MVOU.--.HHE 2021-02-20 17:03:05.340 UTC 0.2 0.52 s 3.7 Ml 4.54° 99.0°
CQ.PARA.--.HHN 2021-02-20 17:03:10.640 UTC 0.3 1.34 s 3.7 Ml 4.88° 98.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
HL.ARG.--.HHZ P 2021-02-20 17:00:51.454 UTC -0.43 s Unspecified 0.34° 353.0° no
HL.ARG.--.HHN S 2021-02-20 17:00:57.386 UTC 0.010 s Unspecified 0.34° 353.0° no
HL.KARP.--.HHZ P 2021-02-20 17:00:59.470 UTC -2.26 s Unspecified 0.89° 249.0° 14.02 no
HL.KARP.--.HHN S 2021-02-20 17:01:13.664 UTC -1.25 s Unspecified 0.89° 249.0° 37.95 no
HL.ZKR.--.HHZ P 2021-02-20 17:01:15.189 UTC -0.15 s Unspecified 1.77° 246.0° 36.97 no
CQ.OSC1.01.HHZ P 2021-02-20 17:01:39.103 UTC -0.29 s Unspecified 3.49° 131.0° 0.97 no
HL.ZKR.--.HHE S 2021-02-20 17:01:39.300 UTC 0.16 s Unspecified 1.77° 246.0° 24.17 no
CQ.AKMS.--.HHZ P 2021-02-20 17:01:39.823 UTC 0.20 s Unspecified 3.51° 102.0° 2.47 no
CQ.POL7.--.HHZ P 2021-02-20 17:01:41.280 UTC 0.87 s Unspecified 3.56° 102.0° no
CQ.POL4.--.HHZ P 2021-02-20 17:01:41.578 UTC 0.72 s Unspecified 3.59° 102.0° no
CQ.POL1.--.HHZ P 2021-02-20 17:01:41.848 UTC 0.63 s Unspecified 3.62° 101.0° no
CQ.ALEF.--.HHZ P 2021-02-20 17:01:42.241 UTC 0.14 s Unspecified 3.68° 100.0° 1.57 no
CQ.NATA.--.HHZ P 2021-02-20 17:01:43.498 UTC 0.32 s Unspecified 3.76° 105.0° 3.14 no
CQ.TROD.--.HHZ P 2021-02-20 17:01:45.520 UTC -0.26 s Unspecified 3.95° 102.0° 2.05 no
CQ.APOL.--.HHZ P 2021-02-20 17:01:46.902 UTC 0.040 s Unspecified 4.02° 106.0° 1.40 no
CQ.XYLS.--.HHZ P 2021-02-20 17:01:47.209 UTC -0.38 s Unspecified 4.08° 100.0° 2.94 no
CQ.ASGA.--.HHZ P 2021-02-20 17:01:50.529 UTC -0.090 s Unspecified 4.29° 103.0° 2.28 no
GE.CSS.--.HHZ P 2021-02-20 17:01:50.779 UTC -0.14 s Unspecified 4.31° 100.0° no
CQ.ATHA.--.HHZ P 2021-02-20 17:01:51.335 UTC 0.23 s Unspecified 4.33° 98.0° no
CQ.MVOU.--.HHZ P 2021-02-20 17:01:53.766 UTC -0.35 s Unspecified 4.54° 99.0° 1.57 no
CQ.PARA.--.HHZ P 2021-02-20 17:01:59.129 UTC 0.35 s Unspecified 4.88° 98.0° no
CQ.OSC1.01.HHN S 2021-02-20 17:02:21.519 UTC -0.43 s Unspecified 3.49° 131.0° 0.43 no
CQ.AKMS.--.HHE S 2021-02-20 17:02:22.554 UTC 0.19 s Unspecified 3.51° 102.0° 3.24 no
CQ.POL7.--.HHN S 2021-02-20 17:02:23.943 UTC 0.18 s Unspecified 3.56° 102.0° no
CQ.ALEF.--.HHN S 2021-02-20 17:02:26.570 UTC -0.20 s Unspecified 3.68° 100.0° 2.22 no
CQ.NATA.--.HHN S 2021-02-20 17:02:27.828 UTC -0.86 s Unspecified 3.76° 105.0° 2.56 no
CQ.TROD.--.HHN S 2021-02-20 17:02:33.227 UTC -0.090 s Unspecified 3.95° 102.0° 1.71 no
CQ.APOL.--.HHN S 2021-02-20 17:02:35.069 UTC -0.17 s Unspecified 4.02° 106.0° 1.69 no
CQ.XYLS.--.HHN S 2021-02-20 17:02:36.863 UTC 0.32 s Unspecified 4.08° 100.0° 2.81 no
CQ.ASGA.--.HHE S 2021-02-20 17:02:41.722 UTC -0.23 s Unspecified 4.29° 103.0° 2.15 no
GE.CSS.--.HHN S 2021-02-20 17:02:43.464 UTC 1.00 s Unspecified 4.31° 100.0° no
CQ.MVOU.--.HHE S 2021-02-20 17:02:47.991 UTC -0.19 s Unspecified 4.54° 99.0° 1.05 no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0131 0.0004
CQ.AKMS.--.HHN I 0.0142 0.0003
CQ.AKMS.--.HHZ I 0.0168 0.0003
CQ.ALEF.--.HHE I 0.0103 0.0002
CQ.ALEF.--.HHN I 0.0101 0.0003
CQ.ALEF.--.HHZ I 0.0061 0.0002
CQ.APOL.--.HHE I 0.0073 0.0002
CQ.APOL.--.HHN I 0.0051 0.0002
CQ.APOL.--.HHZ I 0.0078 0.0002
CQ.ASGA.--.HHE I 0.0041 0.0002
CQ.ASGA.--.HHN I 0.0037 0.0001
CQ.ASGA.--.HHZ I 0.0063 0.0001
CQ.MVOU.--.HHE I 0.0025 9.4849e-05
CQ.MVOU.--.HHN I 0.0030 7.2236e-05
CQ.MVOU.--.HHZ I 0.0048 8.1599e-05
CQ.NATA.--.HHE I 0.0254 0.0007
CQ.NATA.--.HHN I 0.0127 0.0004
CQ.NATA.--.HHZ I 0.0266 0.0007
CQ.OSC1.01.HHE I 0.0076 0.0001
CQ.OSC1.01.HHN I 0.0112 0.0001
CQ.OSC1.01.HHZ I 0.0033 4.0178e-05
CQ.TROD.--.HHE I 0.0040 0.0002
CQ.TROD.--.HHN I 0.0033 0.0002
CQ.TROD.--.HHZ I 0.0027 0.0001
CQ.XYLS.--.HHE I 0.0079 0.0003
CQ.XYLS.--.HHN I 0.0076 0.0002
CQ.XYLS.--.HHZ I 0.0071 0.0002
HL.KARP.--.HHE I 0.5813 0.0187
HL.KARP.--.HHN I 0.4883 0.0142
HL.KARP.--.HHZ I 0.3838 0.0153
HL.ZKR.--.HHE I 0.0532 0.0039
HL.ZKR.--.HHN I 0.0317 0.0027
HL.ZKR.--.HHZ I 0.0329 0.0034

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