Event 20231031-4
2023-10-31 16:56:38.520 UTC 4.09 km 3.2 Ml
36.1685°N, 31.9893°E
132.0 km N of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.48 s Num. Stations: 28
Depth Error: 1.77 km Num. Phases: 27
Reference Elevation: 0.96 km Max. Intensity (MMI):
Azimuth: 290° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
3.2 Ml 11 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 1.12° Source Radius:
Max. Distance: 3.09° 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 293.00° 39.00°
Intermediate 1.70 km 54.00° 32.00°
Minimum 1.41 km 169.00° 34.00°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
CQ.ALEF.--.HHE 2023-10-31 16:57:18.060 UTC 4.1 0.20 s 3.4 Ml 1.13° 153.0°
CQ.ALEF.--.HHN 2023-10-31 16:57:18.230 UTC 4.0 0.10 s 3.4 Ml 1.13° 153.0°
CQ.AKMS.--.HHN 2023-10-31 16:57:25.810 UTC 2.0 0.46 s 3.2 Ml 1.18° 166.0°
CQ.XYLS.--.HHN 2023-10-31 16:57:26.670 UTC 1.3 0.16 s 3.2 Ml 1.44° 142.0°
CQ.AKMS.--.HHE 2023-10-31 16:57:28.080 UTC 2.6 0.50 s 3.3 Ml 1.18° 166.0°
CQ.TROD.--.HHN 2023-10-31 16:57:28.730 UTC 0.7 0.20 s 3.1 Ml 1.41° 149.0°
CQ.TROD.--.HHE 2023-10-31 16:57:29.680 UTC 0.9 0.40 s 3.2 Ml 1.41° 149.0°
CQ.XYLS.--.HHE 2023-10-31 16:57:29.770 UTC 1.4 0.24 s 3.2 Ml 1.44° 142.0°
CQ.ATHA.--.HHN 2023-10-31 16:57:32.570 UTC 2.0 0.36 s 3.2 Ml 1.54° 131.0°
CQ.ATHA.--.HHE 2023-10-31 16:57:33.850 UTC 1.7 0.40 s 3.2 Ml 1.54° 131.0°
CQ.MVOU.--.HHN 2023-10-31 16:57:34.930 UTC 0.6 0.20 s 3.2 Ml 1.77° 130.0°
CQ.MVOU.--.HHE 2023-10-31 16:57:36.270 UTC 0.7 0.20 s 3.3 Ml 1.77° 130.0°
CQ.NATA.--.HHN 2023-10-31 16:57:39.560 UTC 3.6 0.66 s 3.3 Ml 1.46° 160.0°
GE.CSS.--.HHE 2023-10-31 16:57:40.490 UTC 0.6 0.32 s 3.1 Ml 1.63° 137.0°
CQ.APOL.--.HHE 2023-10-31 16:57:41.310 UTC 0.6 0.32 s 2.9 Ml 1.66° 154.0°
CQ.NATA.--.HHE 2023-10-31 16:57:42.050 UTC 3.9 0.58 s 3.4 Ml 1.46° 160.0°
CQ.ASGA.--.HHN 2023-10-31 16:57:43.570 UTC 0.6 0.72 s 3.0 Ml 1.72° 142.0°
GE.CSS.--.HHN 2023-10-31 16:57:45.190 UTC 0.5 0.34 s 3.0 Ml 1.63° 137.0°
CQ.APOL.--.HHN 2023-10-31 16:57:47.390 UTC 0.6 0.40 s 2.9 Ml 1.66° 154.0°
CQ.ASGA.--.HHE 2023-10-31 16:57:47.860 UTC 0.6 0.42 s 3.0 Ml 1.72° 142.0°
CQ.DERY.--.HHE 2023-10-31 16:57:50.200 UTC 1.3 0.58 s 3.4 Ml 1.95° 123.0°
CQ.DERY.--.HHN 2023-10-31 16:57:54.970 UTC 1.1 0.54 s 3.3 Ml 1.95° 123.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
CQ.ALEF.--.HHZ P 2023-10-31 16:56:59.982 UTC -0.15 s Unspecified 1.13° 153.0° 31.26 no
CQ.AKMS.--.HHZ P 2023-10-31 16:57:00.594 UTC -0.53 s Unspecified 1.18° 166.0° 54.98 no
CQ.POL1.--.HNZ P 2023-10-31 16:57:01.409 UTC 0.43 s Unspecified 1.17° 159.0° no
CQ.POL7.--.HNZ P 2023-10-31 16:57:01.747 UTC 0.48 s Unspecified 1.19° 163.0° no
CQ.TROD.--.HHZ P 2023-10-31 16:57:04.233 UTC -0.54 s Unspecified 1.41° 149.0° 13.02 no
CQ.XYLS.--.HHZ P 2023-10-31 16:57:04.556 UTC -0.59 s Unspecified 1.44° 142.0° 22.32 no
CQ.TRD1.--.HNZ P 2023-10-31 16:57:05.488 UTC 0.35 s Unspecified 1.44° 149.0° no
CQ.NATA.--.HHZ P 2023-10-31 16:57:05.696 UTC 0.19 s Unspecified 1.46° 160.0° 6.16 no
GE.CSS.--.HHZ P 2023-10-31 16:57:07.066 UTC -0.70 s Unspecified 1.63° 137.0° 4.14 no
CQ.ATHA.--.HHZ P 2023-10-31 16:57:07.167 UTC 0.66 s Unspecified 1.54° 131.0° 2.88 no
CQ.MVOU.--.HHZ P 2023-10-31 16:57:08.782 UTC -0.92 s Unspecified 1.77° 130.0° 13.89 no
CQ.ASGA.--.HHZ P 2023-10-31 16:57:09.568 UTC 0.50 s Unspecified 1.72° 142.0° 12.84 no
CQ.APOL.--.HHZ P 2023-10-31 16:57:10.881 UTC 2.71 s Unspecified 1.66° 154.0° 2.90 no
CQ.DERY.--.HHZ P 2023-10-31 16:57:12.256 UTC -0.040 s Unspecified 1.95° 123.0° 1.69 no
CQ.PARA.--.HHZ P 2023-10-31 16:57:14.291 UTC 0.72 s Unspecified 2.04° 124.0° no
CQ.ALEF.--.HHE S 2023-10-31 16:57:17.304 UTC 0.32 s Unspecified 1.13° 153.0° 68.48 no
CQ.AKMS.--.HHE S 2023-10-31 16:57:18.053 UTC -0.72 s Unspecified 1.18° 166.0° 48.92 no
CQ.POL1.--.HNN S 2023-10-31 16:57:18.266 UTC -0.23 s Unspecified 1.17° 159.0° no
CQ.POL7.--.HNE S 2023-10-31 16:57:19.461 UTC 0.44 s Unspecified 1.19° 163.0° no
CQ.TROD.--.HHE S 2023-10-31 16:57:22.845 UTC -2.40 s Unspecified 1.41° 149.0° 14.17 no
CQ.XYLS.--.HHE S 2023-10-31 16:57:24.609 UTC -1.31 s Unspecified 1.44° 142.0° 38.40 no
CQ.TRD1.--.HNE S 2023-10-31 16:57:25.865 UTC -0.030 s Unspecified 1.44° 149.0° no
CQ.NATA.--.HHE S 2023-10-31 16:57:27.093 UTC 0.53 s Unspecified 1.46° 160.0° 4.56 no
CQ.LEF1.--.HNE S 2023-10-31 16:57:27.533 UTC 0.20 s Unspecified 1.50° 130.0° no
CQ.OSC1.01.HNZ P 2023-10-31 16:57:27.855 UTC 4.72 s Unspecified 2.73° 193.0° no
CQ.ATHA.--.HHE S 2023-10-31 16:57:27.981 UTC -0.36 s Unspecified 1.54° 131.0° 7.14 no
GE.CSS.--.HHE S 2023-10-31 16:57:28.124 UTC -2.46 s Unspecified 1.63° 137.0° 4.48 no
CQ.APOL.--.HHE S 2023-10-31 16:57:31.658 UTC 0.36 s Unspecified 1.66° 154.0° 1.83 no
CQ.ASGA.--.HHE S 2023-10-31 16:57:32.241 UTC -0.66 s Unspecified 1.72° 142.0° 11.93 no
CQ.MVOU.--.HHE S 2023-10-31 16:57:32.253 UTC -1.77 s Unspecified 1.77° 130.0° 6.79 no
CQ.OSC2.01.HNZ P 2023-10-31 16:57:34.433 UTC 6.13 s Unspecified 3.09° 175.0° no
CQ.DERY.--.HHE S 2023-10-31 16:57:38.912 UTC 0.26 s Unspecified 1.95° 123.0° 2.16 no
CQ.OSC1.01.HHZ S 2023-10-31 16:57:57.885 UTC -0.050 s Unspecified 2.73° 193.0° 2.84 no
CQ.OSC2.01.HNE S 2023-10-31 16:58:11.263 UTC 4.13 s Unspecified 3.09° 175.0° no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0699 0.0019
CQ.AKMS.--.HHN I 0.0470 0.0013
CQ.AKMS.--.HHZ I 0.0398 0.0012
CQ.ALEF.--.HHE I 0.1745 0.0037
CQ.ALEF.--.HHN I 0.3280 0.0057
CQ.ALEF.--.HHZ I 0.0750 0.0016
CQ.APOL.--.HHE I 0.0387 0.0004
CQ.APOL.--.HHN I 0.0289 0.0006
CQ.APOL.--.HHZ I 0.0429 0.0005
CQ.ASGA.--.HHE I 0.0160 0.0004
CQ.ASGA.--.HHN I 0.0122 0.0003
CQ.ASGA.--.HHZ I 0.0199 0.0003
CQ.ATHA.--.HHE I 0.0228 0.0009
CQ.ATHA.--.HHN I 0.0240 0.0011
CQ.ATHA.--.HHZ I 0.0286 0.0005
CQ.DERY.--.HHE I 0.0113 0.0005
CQ.DERY.--.HHN I 0.0109 0.0005
CQ.DERY.--.HHZ I 0.0341 0.0007
CQ.MVOU.--.HHE I 0.0236 0.0005
CQ.MVOU.--.HHN I 0.0274 0.0004
CQ.MVOU.--.HHZ I 0.0277 0.0004
CQ.NATA.--.HHE I 0.0664 0.0016
CQ.NATA.--.HHN I 0.0321 0.0012
CQ.NATA.--.HHZ I 0.0309 0.0009
CQ.OSC1.01.HHE I 0.0571 0.0010
CQ.OSC1.01.HHN I 0.0004 3.7080e-06
CQ.OSC1.01.HHZ I 0.0332 0.0005
CQ.OSC2.01.HHE I 0.0216 0.0004
CQ.OSC2.01.HHN I 0.0145 0.0003
CQ.OSC2.01.HHZ I 0.0088 0.0002
CQ.TROD.--.HHE I 0.0226 0.0005
CQ.TROD.--.HHN I 0.0222 0.0006
CQ.TROD.--.HHZ I 0.0124 0.0003
CQ.XYLS.--.HHE I 0.0553 0.0010
CQ.XYLS.--.HHN I 0.0671 0.0013
CQ.XYLS.--.HHZ I 0.0330 0.0006
GE.CSS.--.HHE I 0.0169 0.0003
GE.CSS.--.HHN I 0.0165 0.0003
GE.CSS.--.HHZ I 0.0153 0.0003
GE.CSS.--.HLE I 0.0162 0.0003
GE.CSS.--.HLN I 0.0148 0.0003
GE.CSS.--.HLZ I 0.0167 0.0003

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