Event 20230812-4
2023-08-12 21:43:50.660 UTC 28.12 km 2.7 Ml
36.3453°N, 30.0762°E
258.0 km NW of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.32 s Num. Stations: 13
Depth Error: 3.35 km Num. Phases: 18
Reference Elevation: 0.57 km Max. Intensity (MMI):
Azimuth: 223° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
2.7 Ml 10 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 2.27° Source Radius:
Max. Distance: 3.73° 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 4.09 km 337.00° 55.00°
Intermediate 1.79 km 201.00° 26.00°
Minimum 0.92 km 100.00° 21.00°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
CQ.AKMS.--.HHN 2023-08-12 21:44:53.470 UTC 0.1 0.36 s 2.6 Ml 2.27° 125.0°
CQ.AKMS.--.HHE 2023-08-12 21:44:55.010 UTC 0.2 0.36 s 2.9 Ml 2.27° 125.0°
CQ.ALEF.--.HHN 2023-08-12 21:44:59.770 UTC 0.2 0.20 s 2.7 Ml 2.37° 119.0°
CQ.ALEF.--.HHE 2023-08-12 21:45:00.560 UTC 0.1 0.24 s 2.6 Ml 2.37° 119.0°
CQ.NATA.--.HHE 2023-08-12 21:45:04.570 UTC 0.4 0.40 s 2.9 Ml 2.56° 126.0°
CQ.XYLS.--.HHE 2023-08-12 21:45:08.830 UTC 0.1 0.24 s 2.7 Ml 2.76° 117.0°
CQ.XYLS.--.HHN 2023-08-12 21:45:10.580 UTC 9.1e-02 0.24 s 2.6 Ml 2.76° 117.0°
CQ.TROD.--.HHE 2023-08-12 21:45:11.460 UTC 8.2e-02 0.30 s 2.8 Ml 2.67° 120.0°
CQ.ATHA.--.HHE 2023-08-12 21:45:12.010 UTC 0.1 0.64 s 2.6 Ml 2.96° 113.0°
CQ.TROD.--.HHN 2023-08-12 21:45:12.260 UTC 9.4e-02 0.38 s 2.8 Ml 2.67° 120.0°
GE.CSS.--.HHE 2023-08-12 21:45:14.010 UTC 3.0e-02 0.32 s 2.4 Ml 2.99° 116.0°
CQ.ATHA.--.HHN 2023-08-12 21:45:16.880 UTC 0.1 0.58 s 2.7 Ml 2.96° 113.0°
CQ.MVOU.--.HHN 2023-08-12 21:45:17.800 UTC 6.0e-02 0.52 s 2.8 Ml 3.19° 113.0°
CQ.ASGA.--.HHN 2023-08-12 21:45:18.360 UTC 7.2e-02 0.54 s 2.6 Ml 3.02° 120.0°
CQ.ASGA.--.HHE 2023-08-12 21:45:18.520 UTC 8.8e-02 0.28 s 2.7 Ml 3.02° 120.0°
HL.ZKR.--.HHE 2023-08-12 21:45:19.570 UTC 0.2 0.36 s 3.1 Ml 3.37° 250.0°
CQ.NATA.--.HHN 2023-08-12 21:45:23.570 UTC 0.3 0.56 s 2.8 Ml 2.56° 126.0°
CQ.MVOU.--.HHE 2023-08-12 21:45:26.000 UTC 4.9e-02 0.22 s 2.7 Ml 3.19° 113.0°
GE.CSS.--.HHN 2023-08-12 21:45:31.750 UTC 6.1e-02 0.54 s 2.7 Ml 2.99° 116.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
HL.ARG.--.HHZ P 2023-08-12 21:44:16.215 UTC -0.53 s Unspecified 1.59° 266.0° no
CQ.AKMS.--.HHZ P 2023-08-12 21:44:26.507 UTC 0.23 s Unspecified 2.27° 125.0° 2.97 no
CQ.ALEF.--.HHZ P 2023-08-12 21:44:27.847 UTC 0.11 s Unspecified 2.37° 119.0° 2.19 no
CQ.NATA.--.HHZ P 2023-08-12 21:44:30.686 UTC 0.24 s Unspecified 2.56° 126.0° no
CQ.TROD.--.HHZ P 2023-08-12 21:44:31.853 UTC -0.030 s Unspecified 2.67° 120.0° no
CQ.XYLS.--.HHZ P 2023-08-12 21:44:32.734 UTC -0.47 s Unspecified 2.76° 117.0° 2.39 no
HL.ARG.--.HHN S 2023-08-12 21:44:35.471 UTC -1.63 s Unspecified 1.59° 266.0° no
GE.CSS.--.HHZ P 2023-08-12 21:44:36.229 UTC -0.16 s Unspecified 2.99° 116.0° 1.20 no
CQ.ASGA.--.HHZ P 2023-08-12 21:44:36.774 UTC -0.030 s Unspecified 3.02° 120.0° 2.80 no
CQ.OSC1.01.HHZ P 2023-08-12 21:44:37.012 UTC 0.40 s Unspecified 3.01° 160.0° 1.37 no
CQ.MVOU.--.HHZ P 2023-08-12 21:44:38.730 UTC -0.41 s Unspecified 3.19° 113.0° 1.29 no
HL.ZKR.--.HHZ P 2023-08-12 21:44:41.538 UTC -0.21 s Unspecified 3.37° 250.0° no
CQ.OSC2.01.HHZ P 2023-08-12 21:44:46.846 UTC 0.12 s Unspecified 3.73° 150.0° 0.76 no
CQ.AKMS.--.HHE S 2023-08-12 21:44:54.370 UTC 0.31 s Unspecified 2.27° 125.0° 2.94 no
CQ.ALEF.--.HHE S 2023-08-12 21:44:56.410 UTC -0.25 s Unspecified 2.37° 119.0° 3.06 no
CQ.XYLS.--.HHE S 2023-08-12 21:45:05.165 UTC -1.21 s Unspecified 2.76° 117.0° 1.19 no
CQ.ATHA.--.HHE S 2023-08-12 21:45:11.272 UTC 0.030 s Unspecified 2.96° 113.0° no
CQ.ASGA.--.HHE S 2023-08-12 21:45:12.648 UTC -0.14 s Unspecified 3.02° 120.0° 3.09 no
GE.CSS.--.HHE S 2023-08-12 21:45:12.667 UTC 0.61 s Unspecified 2.99° 116.0° 0.97 no
CQ.OSC1.01.HHE S 2023-08-12 21:45:12.805 UTC 0.36 s Unspecified 3.01° 160.0° 0.95 no
CQ.MVOU.--.HHE S 2023-08-12 21:45:17.609 UTC 0.66 s Unspecified 3.19° 113.0° 1.27 no
CQ.OSC2.01.HHN S 2023-08-12 21:45:29.223 UTC -1.24 s Unspecified 3.73° 150.0° 0.81 no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0077 0.0002
CQ.AKMS.--.HHN I 0.0061 0.0001
CQ.AKMS.--.HHZ I 0.0048 7.7251e-05
CQ.ALEF.--.HHE I 0.0086 0.0001
CQ.ALEF.--.HHN I 0.0079 0.0001
CQ.ALEF.--.HHZ I 0.0066 8.7604e-05
CQ.ASGA.--.HHE I 0.0047 9.2381e-05
CQ.ASGA.--.HHN I 0.0039 6.3141e-05
CQ.ASGA.--.HHZ I 0.0061 8.6016e-05
CQ.MVOU.--.HHE I 0.0029 3.7542e-05
CQ.MVOU.--.HHN I 0.0027 3.4067e-05
CQ.MVOU.--.HHZ I 0.0033 2.9691e-05
CQ.OSC1.01.HHE I 0.0066 8.3205e-05
CQ.OSC1.01.HHN I 0.0004 2.1959e-06
CQ.OSC1.01.HHZ I 0.0039 4.3331e-05
CQ.OSC2.01.HHE I 0.0122 7.3046e-05
CQ.OSC2.01.HHN I 0.0071 5.0090e-05
CQ.OSC2.01.HHZ I 0.0019 2.2193e-05
CQ.XYLS.--.HHE I 0.0047 7.9966e-05
CQ.XYLS.--.HHN I 0.0041 7.9907e-05
CQ.XYLS.--.HHZ I 0.0039 5.5883e-05
GE.CSS.--.HHE I 0.0047 3.5274e-05
GE.CSS.--.HHN I 0.0058 4.0006e-05
GE.CSS.--.HHZ I 0.0051 3.7593e-05
GE.CSS.--.HLE I 0.0045 6.0316e-05
GE.CSS.--.HLN I 0.0039 0.0001
GE.CSS.--.HLZ I 0.0053 5.5222e-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