Event 20210206-4
2021-02-06 04:19:40.950 UTC 7.32 km 1.8 Ml
36.1562°N, 30.4732°E
217.0 km NW of Polis
Time Error: Analysis Type: Manual
Time RMS: 0.12 s Num. Stations: 5
Depth Error: 1.56 km Num. Phases: 8
Reference Elevation: 0.92 km Max. Intensity (MMI):
Azimuth: 197° Effects Type:
Magnitudes
Preferred Magnitude Stations Error Author Action
1.8 Ml 4 0
 
Origin Details
Ellipse Major: Seismic Moment:
Ellipse Minor: Corner Frequency:
Ellipse Strike: Stress Drop:
Min. Distance: 0.75° Source Radius:
Max. Distance: 2.39° 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 6.89 km 226.00° 12.00°
Intermediate 1.62 km 6.00° 74.00°
Minimum 0.43 km 134.00° 10.00°
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
CQ.AKMS.--.HHE 2021-02-06 04:20:40.910 UTC 3.0e-02 0.38 s 1.8 Ml 1.90° 126.0°
CQ.AKMS.--.HHN 2021-02-06 04:20:41.590 UTC 2.2e-02 0.46 s 1.7 Ml 1.90° 126.0°
CQ.ALEF.--.HHE 2021-02-06 04:20:43.340 UTC 2.2e-02 0.22 s 1.6 Ml 2.00° 119.0°
CQ.ALEF.--.HHN 2021-02-06 04:20:45.320 UTC 2.8e-02 0.14 s 1.8 Ml 2.00° 119.0°
CQ.TROD.--.HHE 2021-02-06 04:20:49.620 UTC 2.9e-02 1.18 s 2.2 Ml 2.29° 121.0°
CQ.XYLS.--.HHE 2021-02-06 04:20:54.060 UTC 7.9e-03 0.20 s 1.4 Ml 2.39° 117.0°
CQ.XYLS.--.HHN 2021-02-06 04:20:56.970 UTC 1.8e-02 0.16 s 1.8 Ml 2.39° 117.0°
Channel Phase Time Time Residual Direction Event Distance Event Azimuth SNR Automatic? Defined By Action
KO.ELL.--.BHZ P 2021-02-06 04:19:53.368 UTC -2.13 s Unspecified 0.75° 323.0° no
KO.ELL.--.BHE S 2021-02-06 04:20:06.847 UTC 0 s Unspecified 0.75° 323.0° no
CQ.AKMS.--.HHZ P 2021-02-06 04:20:14.026 UTC 0.50 s Unspecified 1.90° 126.0° 1.46 no
CQ.ALEF.--.HHZ P 2021-02-06 04:20:15.085 UTC 0.12 s Unspecified 2.00° 119.0° 1.26 no
CQ.TROD.--.HHZ P 2021-02-06 04:20:19.086 UTC -0.020 s Unspecified 2.29° 121.0° 1.19 no
CQ.XYLS.--.HHZ P 2021-02-06 04:20:20.286 UTC -0.15 s Unspecified 2.39° 117.0° 1.15 no
CQ.AKMS.--.HHE S 2021-02-06 04:20:38.983 UTC 0.040 s Unspecified 1.90° 126.0° 0.85 no
CQ.ALEF.--.HHN S 2021-02-06 04:20:41.386 UTC -0.12 s Unspecified 2.00° 119.0° 0.95 no
CQ.TROD.--.HHE S 2021-02-06 04:20:48.737 UTC -0.13 s Unspecified 2.29° 121.0° 1.00 no
CQ.XYLS.--.HHE S 2021-02-06 04:20:51.466 UTC 0.23 s Unspecified 2.39° 117.0° 1.98 no

Ground Motion

Channel Intensity PGA (cm/s2) PGV (cm/s)
CQ.AKMS.--.HHE I 0.0016 2.9971e-05
CQ.AKMS.--.HHN I 0.0010 2.9668e-05
CQ.AKMS.--.HHZ I 0.0013 2.2835e-05
CQ.ALEF.--.HHE I 0.0021 3.3334e-05
CQ.ALEF.--.HHN I 0.0018 3.3380e-05
CQ.ALEF.--.HHZ I 0.0017 2.5384e-05
CQ.TROD.--.HHE I 0.0004 1.5576e-05
CQ.TROD.--.HHN I 0.0004 1.4198e-05
CQ.TROD.--.HHZ I 0.0003 1.2371e-05
CQ.XYLS.--.HHE I 0.0010 1.5620e-05
CQ.XYLS.--.HHN I 0.0009 1.9908e-05
CQ.XYLS.--.HHZ I 0.0009 1.5898e-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
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