Event 20230504-5
2023-05-04 22:51:40.660 UTC 15.00 km 3.1 Ml
35.7667°N, 29.2915°E
Mediterranean Sea
296.0 km W of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.47 s Num. Stations: 16
Depth Error: 31.61 km Num. Phases: 23
Reference Elevation: 0.67 km Max. Intensity (MMI):
Azimuth: 316° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
3.1 Ml 12 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 2.60° Source Radius:
Max. Distance: 3.64° 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 31.61 km 0° 90.00°
Intermediate 2.97 km 200.00° 0°
Minimum 2.24 km 290.00° 0°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
CQ.AKMS.--.HHN 2023-05-04 22:52:59.350 UTC 0.2 0.34 s 2.9 Ml 2.60° 105.0°
CQ.OSC1.01.HHE 2023-05-04 22:53:00.630 UTC 0.1 0.28 s 3.1 Ml 2.79° 143.0°
CQ.AKMS.--.HHE 2023-05-04 22:53:03.050 UTC 0.3 0.28 s 3.1 Ml 2.60° 105.0°
CQ.NATA.--.HHN 2023-05-04 22:53:04.230 UTC 0.4 0.42 s 2.9 Ml 2.86° 109.0°
CQ.ALEF.--.HHN 2023-05-04 22:53:04.870 UTC 0.3 0.32 s 3.1 Ml 2.77° 101.0°
CQ.ALEF.--.HHE 2023-05-04 22:53:05.440 UTC 0.3 0.22 s 3.1 Ml 2.77° 101.0°
CQ.NATA.--.HHE 2023-05-04 22:53:09.000 UTC 0.6 0.30 s 3.2 Ml 2.86° 109.0°
CQ.APOL.--.HHE 2023-05-04 22:53:15.950 UTC 0.2 0.36 s 3.0 Ml 3.12° 109.0°
CQ.XYLS.--.HHN 2023-05-04 22:53:16.420 UTC 0.2 0.26 s 3.1 Ml 3.16° 102.0°
CQ.APOL.--.HHN 2023-05-04 22:53:16.850 UTC 0.1 0.38 s 2.9 Ml 3.12° 109.0°
CQ.XYLS.--.HHE 2023-05-04 22:53:18.660 UTC 0.2 0.42 s 3.1 Ml 3.16° 102.0°
CQ.TROD.--.HHN 2023-05-04 22:53:19.120 UTC 0.2 0.52 s 3.1 Ml 3.04° 104.0°
CQ.ASGA.--.HHN 2023-05-04 22:53:20.210 UTC 0.1 0.40 s 3.0 Ml 3.38° 105.0°
CQ.ASGA.--.HHE 2023-05-04 22:53:20.560 UTC 0.1 0.24 s 3.0 Ml 3.38° 105.0°
CQ.TROD.--.HHE 2023-05-04 22:53:20.660 UTC 0.1 0.50 s 3.1 Ml 3.04° 104.0°
CQ.OSC2.01.HHN 2023-05-04 22:53:24.110 UTC 0.1 0.44 s 2.8 Ml 3.64° 136.0°
GE.CSS.--.HHN 2023-05-04 22:53:26.790 UTC 8.7e-02 0.72 s 3.0 Ml 3.40° 102.0°
CQ.MVOU.--.HHE 2023-05-04 22:53:27.570 UTC 0.1 0.32 s 3.1 Ml 3.63° 100.0°
CQ.OSC2.01.HHE 2023-05-04 22:53:27.930 UTC 0.1 0.64 s 2.9 Ml 3.64° 136.0°
GE.CSS.--.HHE 2023-05-04 22:53:28.340 UTC 0.1 0.68 s 3.1 Ml 3.40° 102.0°
CQ.ATHA.--.HHN 2023-05-04 22:53:29.560 UTC 0.2 0.56 s 3.0 Ml 3.41° 99.0°
CQ.MVOU.--.HHN 2023-05-04 22:53:29.820 UTC 9.0e-02 0.60 s 3.1 Ml 3.63° 100.0°
CQ.ATHA.--.HHE 2023-05-04 22:53:32.560 UTC 0.3 0.96 s 3.2 Ml 3.41° 99.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
HL.ARG.--.HHN S 2023-05-04 22:51:55.611 UTC -9.99 s Unspecified 1.05° 296.0° no
CQ.AKMS.--.HHZ P 2023-05-04 22:52:21.895 UTC -0.31 s Unspecified 2.60° 105.0° 4.20 no
CQ.POL6.--.HHZ P 2023-05-04 22:52:23.338 UTC 0.25 s Unspecified 2.66° 104.0° no
CQ.POL7.--.HHZ P 2023-05-04 22:52:23.338 UTC 0.36 s Unspecified 2.65° 105.0° no
CQ.POL2.--.HHZ P 2023-05-04 22:52:24.133 UTC 0.42 s Unspecified 2.70° 104.0° no
CQ.ALEF.--.HHZ P 2023-05-04 22:52:24.818 UTC 0.21 s Unspecified 2.77° 101.0° 1.66 no
CQ.NATA.--.HHZ P 2023-05-04 22:52:25.536 UTC -0.33 s Unspecified 2.86° 109.0° 3.69 no
CQ.TROD.--.HHZ P 2023-05-04 22:52:27.857 UTC -0.48 s Unspecified 3.04° 104.0° no
CQ.APOL.--.HHZ P 2023-05-04 22:52:28.997 UTC -0.57 s Unspecified 3.12° 109.0° 2.53 no
CQ.XYLS.--.HHZ P 2023-05-04 22:52:29.754 UTC -0.35 s Unspecified 3.16° 102.0° 4.38 no
CQ.ASGA.--.HHZ P 2023-05-04 22:52:32.669 UTC -0.54 s Unspecified 3.38° 105.0° no
GE.CSS.--.HHZ P 2023-05-04 22:52:33.154 UTC -0.27 s Unspecified 3.40° 102.0° 1.87 no
CQ.ATHA.--.HHZ P 2023-05-04 22:52:33.682 UTC 0.090 s Unspecified 3.41° 99.0° no
CQ.MVOU.--.HHZ P 2023-05-04 22:52:35.992 UTC -0.63 s Unspecified 3.63° 100.0° 2.29 no
CQ.OSC2.01.HHZ P 2023-05-04 22:52:36.226 UTC -0.60 s Unspecified 3.64° 136.0° 1.34 no
CQ.AKMS.--.HHN S 2023-05-04 22:52:55.236 UTC 0.62 s Unspecified 2.60° 105.0° 3.58 no
CQ.OSC1.01.HHE S 2023-05-04 22:52:58.383 UTC -1.08 s Unspecified 2.79° 143.0° no
CQ.ALEF.--.HHE S 2023-05-04 22:52:59.168 UTC 0.28 s Unspecified 2.77° 101.0° 1.75 no
CQ.NATA.--.HHN S 2023-05-04 22:53:01.463 UTC 0.33 s Unspecified 2.86° 109.0° 2.49 no
CQ.APOL.--.HHE S 2023-05-04 22:53:07.367 UTC -0.35 s Unspecified 3.12° 109.0° 1.92 no
CQ.XYLS.--.HHN S 2023-05-04 22:53:09.296 UTC 0.62 s Unspecified 3.16° 102.0° 4.83 no
GE.CSS.--.HHE S 2023-05-04 22:53:15.618 UTC 1.03 s Unspecified 3.40° 102.0° 1.80 no
CQ.OSC2.01.HHN S 2023-05-04 22:53:20.161 UTC -0.48 s Unspecified 3.64° 136.0° 2.11 no
CQ.MVOU.--.HHN S 2023-05-04 22:53:20.450 UTC 0.18 s Unspecified 3.63° 100.0° 2.02 no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0092 0.0002
CQ.AKMS.--.HHN I 0.0073 0.0002
CQ.AKMS.--.HHZ I 0.0068 0.0002
CQ.ALEF.--.HHE I 0.0618 0.0003
CQ.ALEF.--.HHN I 0.0211 0.0002
CQ.ALEF.--.HHZ I 0.0270 0.0001
CQ.APOL.--.HHE I 0.0067 0.0001
CQ.APOL.--.HHN I 0.0063 0.0001
CQ.APOL.--.HHZ I 0.0086 0.0001
CQ.MVOU.--.HHE I 0.0017 6.0046e-05
CQ.MVOU.--.HHN I 0.0017 4.7045e-05
CQ.MVOU.--.HHZ I 0.0017 4.9817e-05
CQ.NATA.--.HHE I 0.0138 0.0005
CQ.NATA.--.HHN I 0.0087 0.0002
CQ.NATA.--.HHZ I 0.0154 0.0005
CQ.OSC2.01.HHE I 0.0028 6.5142e-05
CQ.OSC2.01.HHN I 0.0027 5.1877e-05
CQ.OSC2.01.HHZ I 0.0011 1.8058e-05
CQ.XYLS.--.HHE I 0.0063 0.0001
CQ.XYLS.--.HHN I 0.0054 0.0002
CQ.XYLS.--.HHZ I 0.0045 0.0001
GE.CSS.--.HHE I 0.0072 7.4169e-05
GE.CSS.--.HHN I 0.0088 6.4913e-05
GE.CSS.--.HHZ I 0.0064 7.1073e-05
GE.CSS.--.HLE I 0.0050 8.5988e-05
GE.CSS.--.HLN I 0.0078 6.9589e-05
GE.CSS.--.HLZ I 0.0070 9.1157e-05

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