Event 20231020-2
2023-10-20 12:54:21.740 UTC 11.05 km 2.9 Ml
35.0898°N, 30.9330°E
Mediterranean Sea
137.0 km W of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.33 s Num. Stations: 14
Depth Error: 1.70 km Num. Phases: 23
Reference Elevation: 1.01 km Max. Intensity (MMI):
Azimuth: 277° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
2.9 Ml 10 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 1.15° Source Radius:
Max. Distance: 2.30° Location Method:
Fixed Location: no Author: GSD
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 2.80 km 312.00° 37.00°
Intermediate 1.41 km 178.00° 43.00°
Minimum 1.05 km 62.00° 25.00°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
CQ.AKMS.--.HHN 2023-10-20 12:55:04.360 UTC 0.7 0.78 s 2.8 Ml 1.15° 93.0°
CQ.AKMS.--.HHE 2023-10-20 12:55:06.800 UTC 1.0 0.52 s 2.9 Ml 1.15° 93.0°
CQ.ALEF.--.HHE 2023-10-20 12:55:07.600 UTC 1.3 0.50 s 3.1 Ml 1.37° 86.0°
CQ.ALEF.--.HHN 2023-10-20 12:55:11.560 UTC 0.7 0.42 s 2.8 Ml 1.37° 86.0°
CQ.NATA.--.HHE 2023-10-20 12:55:17.440 UTC 1.2 0.34 s 2.8 Ml 1.38° 102.0°
CQ.APOL.--.HHN 2023-10-20 12:55:17.690 UTC 0.4 0.34 s 2.8 Ml 1.64° 104.0°
CQ.XYLS.--.HHE 2023-10-20 12:55:18.280 UTC 0.4 0.34 s 2.8 Ml 1.74° 91.0°
CQ.NATA.--.HHN 2023-10-20 12:55:18.810 UTC 1.5 0.86 s 2.9 Ml 1.38° 102.0°
CQ.TROD.--.HHN 2023-10-20 12:55:21.060 UTC 0.4 0.52 s 3.0 Ml 1.59° 94.0°
CQ.ASGA.--.HHE 2023-10-20 12:55:22.470 UTC 0.5 0.74 s 3.1 Ml 1.93° 98.0°
CQ.TROD.--.HHE 2023-10-20 12:55:22.480 UTC 0.5 0.46 s 3.1 Ml 1.59° 94.0°
CQ.XYLS.--.HHN 2023-10-20 12:55:22.980 UTC 0.4 0.44 s 2.8 Ml 1.74° 91.0°
GE.CSS.--.HHE 2023-10-20 12:55:23.340 UTC 0.4 0.86 s 3.1 Ml 1.97° 93.0°
CQ.APOL.--.HHE 2023-10-20 12:55:28.170 UTC 0.2 0.50 s 2.5 Ml 1.64° 104.0°
GE.CSS.--.HHN 2023-10-20 12:55:30.380 UTC 0.2 0.64 s 2.9 Ml 1.97° 93.0°
CQ.ASGA.--.HHN 2023-10-20 12:55:31.080 UTC 0.3 0.66 s 2.9 Ml 1.93° 98.0°
CQ.MVOU.--.HHN 2023-10-20 12:55:35.020 UTC 0.2 0.48 s 3.0 Ml 2.22° 91.0°
CQ.OSC2.01.HHN 2023-10-20 12:55:37.000 UTC 0.2 0.62 s 2.7 Ml 2.30° 150.0°
CQ.MVOU.--.HHE 2023-10-20 12:55:37.110 UTC 0.2 0.48 s 2.9 Ml 2.22° 91.0°
CQ.OSC2.01.HHE 2023-10-20 12:55:41.140 UTC 0.2 0.54 s 2.7 Ml 2.30° 150.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
CQ.AKMS.--.HHZ P 2023-10-20 12:54:43.333 UTC -0.010 s Unspecified 1.15° 93.0° 5.44 no
CQ.POL7.--.HHZ P 2023-10-20 12:54:44.766 UTC 0.45 s Unspecified 1.21° 92.0° 2.52 no
CQ.POL2.--.HHZ P 2023-10-20 12:54:45.047 UTC -0.16 s Unspecified 1.28° 90.0° no
CQ.POL1.--.HHZ P 2023-10-20 12:54:45.564 UTC 0.29 s Unspecified 1.28° 90.0° 1.41 no
CQ.ALEF.--.HHZ P 2023-10-20 12:54:46.134 UTC -0.35 s Unspecified 1.37° 86.0° 5.33 no
CQ.NATA.--.HHZ P 2023-10-20 12:54:46.863 UTC 0.20 s Unspecified 1.38° 102.0° no
CQ.TROD.--.HHZ P 2023-10-20 12:54:49.187 UTC -0.45 s Unspecified 1.59° 94.0° 4.01 no
CQ.OSC1.01.HHZ P 2023-10-20 12:54:50.382 UTC 0.49 s Unspecified 1.61° 169.0° no
CQ.APOL.--.HHZ P 2023-10-20 12:54:50.469 UTC 0.16 s Unspecified 1.64° 104.0° 3.25 no
CQ.XYLS.--.HHZ P 2023-10-20 12:54:51.524 UTC -0.14 s Unspecified 1.74° 91.0° 5.49 no
CQ.ASGA.--.HHZ P 2023-10-20 12:54:54.167 UTC -0.14 s Unspecified 1.93° 98.0° 3.12 no
GE.CSS.--.HHZ P 2023-10-20 12:54:54.518 UTC -0.43 s Unspecified 1.97° 93.0° 1.86 no
CQ.MVOU.--.HHZ P 2023-10-20 12:54:58.573 UTC 0.22 s Unspecified 2.22° 91.0° no
CQ.OSC2.01.HHZ P 2023-10-20 12:54:59.503 UTC 0.050 s Unspecified 2.30° 150.0° 1.40 no
CQ.AKMS.--.HHE S 2023-10-20 12:55:00.925 UTC 0.74 s Unspecified 1.15° 93.0° 4.88 no
CQ.POL7.--.HHN S 2023-10-20 12:55:02.478 UTC 0.55 s Unspecified 1.21° 92.0° 1.75 no
CQ.POL1.--.HHE S 2023-10-20 12:55:03.748 UTC 0.13 s Unspecified 1.28° 90.0° 1.51 no
CQ.ALEF.--.HHE S 2023-10-20 12:55:05.309 UTC -0.49 s Unspecified 1.37° 86.0° 12.17 no
CQ.TROD.--.HHN S 2023-10-20 12:55:10.995 UTC -0.40 s Unspecified 1.59° 94.0° 2.91 no
CQ.APOL.--.HHN S 2023-10-20 12:55:12.766 UTC 0.18 s Unspecified 1.64° 104.0° 1.34 no
CQ.XYLS.--.HHE S 2023-10-20 12:55:15.345 UTC 0.33 s Unspecified 1.74° 91.0° 7.83 no
CQ.ASGA.--.HHN S 2023-10-20 12:55:20.671 UTC 0.96 s Unspecified 1.93° 98.0° 3.09 no
GE.CSS.--.HHN S 2023-10-20 12:55:20.743 UTC -0.11 s Unspecified 1.97° 93.0° 1.49 no
CQ.OSC2.01.HHE S 2023-10-20 12:55:28.415 UTC -0.44 s Unspecified 2.30° 150.0° 3.00 no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0174 0.0005
CQ.AKMS.--.HHN I 0.0148 0.0005
CQ.AKMS.--.HHZ I 0.0129 0.0003
CQ.ALEF.--.HHE I 0.0244 0.0006
CQ.ALEF.--.HHN I 0.0241 0.0006
CQ.ALEF.--.HHZ I 0.0151 0.0002
CQ.APOL.--.HHE I 0.0141 0.0002
CQ.APOL.--.HHN I 0.0147 0.0003
CQ.APOL.--.HHZ I 0.0220 0.0002
CQ.ASGA.--.HHE I 0.0103 0.0003
CQ.ASGA.--.HHN I 0.0070 0.0002
CQ.ASGA.--.HHZ I 0.0087 0.0002
CQ.OSC2.01.HHE I 0.0033 9.7217e-05
CQ.OSC2.01.HHN I 0.0025 8.9979e-05
CQ.OSC2.01.HHZ I 0.0014 2.7917e-05
CQ.POL1.--.HHE I 0.0648 0.0029
CQ.POL1.--.HHN I 0.0701 0.0020
CQ.POL1.--.HHZ I 0.0074 0.0002
CQ.POL7.--.HHE I 6.1178e-06 4.4040e-07
CQ.POL7.--.HHN I 0.0729 0.0048
CQ.POL7.--.HHZ I 0.0202 0.0004
CQ.TROD.--.HHE I 0.0038 0.0002
CQ.TROD.--.HHN I 0.0042 0.0002
CQ.TROD.--.HHZ I 0.0027 0.0001
CQ.XYLS.--.HHE I 0.0102 0.0003
CQ.XYLS.--.HHN I 0.0128 0.0002
CQ.XYLS.--.HHZ I 0.0073 0.0002
GE.CSS.--.HHE I 0.0080 0.0001
GE.CSS.--.HHN I 0.0145 0.0001
GE.CSS.--.HHZ I 0.0099 9.3612e-05
GE.CSS.--.HLE I 0.0081 0.0001
GE.CSS.--.HLN I 0.0137 0.0001
GE.CSS.--.HLZ I 0.0111 0.0001

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