Event 20210410-18
2021-04-10 22:53:54.740 UTC 14 km 4.2 Mwr
38.1332°N, 20.1004°E
Mediterranean Sea; 25 km from Kounopetra, Ionian Islands, Greece
Time Error: 0.86 s Analysis Type: Manual
Time RMS: 0.43 s Num. Stations: 19
Depth Error: 17 km Num. Phases: 19
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 304° Effects Type: Seismic
 
MANUALLY REVIEWED LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
4.2 M 0 0 NCMS Action show
Emblem favorite 4.2 Mwr 0 0 BH Action show
4.2 Mwr 8 0.1 NEIC Action show
4.7 M 13 0.5 NEIC Action show
4.6 mb 13 0.2 NEIC Action show
 
Origin Details
Ellipse Major: 50.10 km Seismic Moment:
Ellipse Minor: 15.70 km Corner Frequency:
Ellipse Strike: 79.0° Stress Drop:
Min. Distance: 17.90° Source Radius:
Max. Distance: 45.39° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@64066
Fixed Time: no External Origin ID: HYDRA_RED@120530
 
Error Ellipse
Length Azimuth Dip Action
Maximum 118.60 km 259.00° 8.00° Action show
Intermediate 36.80 km 349.00° 1.00° Action show
Minimum 19.70 km 92.00° 81.00° Action show
 
Magnitude Moment Tensors
Type Traces % DC Misfit/Var. Red. Centroid Best Double Couple Moment Tensor Action
M0 Plane Strike Dip Rake Mrr Mrt Mrp Mtt Mtp Mpp
Ffffffff RMT 8 99% 0.53 1 km 2.5e+15 nt-m NP1
NP2
99.0
325.0
51.0
50.0
57.0
124.0
2.060e+15 5.660e+14 7.950e+14 -1.680e+15 1.350e+15 -3.780e+14 Action show
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.KIV.00.BHZ 2021-04-10 22:58:06.559 UTC 47.2 1.10 s 4.5 mb 17.98° 64.0° Action show
IU.GNI.00.BHZ 2021-04-10 22:58:20.609 UTC 38.4 1.20 s 4.5 mb 19.21° 76.2° Action show
MM.KI05.--.HHZ 2021-04-10 22:58:35.920 UTC 32.2 0.68 s 4.8 mb 20.39° 88.6° Action show
QK.SLY.--.HHZ 2021-04-10 22:58:35.950 UTC 14.2 0.58 s 4.5 mb 20.43° 89.2° Action show
QK.KSDD.--.HHZ 2021-04-10 22:58:36.359 UTC 18.9 0.62 s 4.6 mb 20.76° 90.4° Action show
AE.SHM.--.HHZ 2021-04-10 23:00:27.349 UTC 6.0 0.94 s 4.5 mb 32.50° 100.9° Action show
AE.KHT.--.HHZ 2021-04-10 23:00:28.410 UTC 149.0 0.72 s 6.0 mb 32.75° 101.5° Action show
AE.MKZ.--.HHZ 2021-04-10 23:00:32.130 UTC 7.8 1.34 s 4.4 mb 31.62° 109.1° Action show
AE.ALN.--.HHZ 2021-04-10 23:00:33.759 UTC 4.3 0.62 s 4.5 mb 33.38° 104.4° Action show
AE.MZR.--.HHZ 2021-04-10 23:00:58.750 UTC 5.0 1.10 s 4.4 mb 32.25° 108.2° Action show
II.AAK.00.BHZ 2021-04-10 23:01:44.000 UTC 56.9 1.90 s 5.0 mb 41.08° 65.9° Action show
II.NIL.00.BHZ 2021-04-10 23:01:53.440 UTC 23.3 1.00 s 4.9 mb 42.82° 79.1° Action show
IU.MAKZ.00.BHZ 2021-04-10 23:02:14.849 UTC 4.6 0.95 s 4.4 mb 45.39° 58.2° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
QK.KDGZ.--.HHZ Pn 2021-04-10 22:58:03.680 UTC 0.30 s _ 17.90° 86.5° no Time Action show
II.KIV.00.BHZ Pn 2021-04-10 22:58:04.559 UTC 0.30 s _ 17.98° 64.0° yes Time Action show
IU.GNI.00.BHZ P 2021-04-10 22:58:19.160 UTC 0.80 s _ 19.21° 76.2° yes Time Action show
QK.KHWL.--.HHZ P 2021-04-10 22:58:19.789 UTC 0.70 s _ 19.28° 88.2° yes Time Action show
QK.KSQH.--.HHZ P 2021-04-10 22:58:27.160 UTC 0 s _ 20.02° 87.8° no Time Action show
MM.KI05.--.HHZ P 2021-04-10 22:58:30.809 UTC -0.50 s _ 20.39° 88.6° yes Time Action show
QK.SLY.--.HHZ P 2021-04-10 22:58:31.019 UTC -0.70 s _ 20.43° 89.2° yes Time Action show
QK.KSDD.--.HHZ P 2021-04-10 22:58:34.670 UTC -0.60 s _ 20.76° 90.4° no Time Action show
AE.MKZ.--.HHZ P 2021-04-10 23:00:18.000 UTC 0.70 s _ 31.62° 109.1° no Time Action show
AE.MZR.--.HHZ P 2021-04-10 23:00:23.470 UTC 0.60 s _ 32.25° 108.2° no Time Action show
AE.SHM.--.HHZ P 2021-04-10 23:00:26.359 UTC 1.30 s _ 32.50° 100.9° yes Action show
AE.KHT.--.HHZ P 2021-04-10 23:00:27.589 UTC 0.30 s _ 32.75° 101.5° yes Action show
DN.NAZ.--.HHZ P 2021-04-10 23:00:27.759 UTC 0 s _ 32.81° 103.0° no Time Action show
AE.ALN.--.HHZ P 2021-04-10 23:00:30.200 UTC -2.60 s _ 33.38° 104.4° yes Action show
OM.ASH.--.HHZ P 2021-04-10 23:00:31.230 UTC -0.70 s _ 33.27° 103.1° no Time Action show
DN.HAT.--.HHZ P 2021-04-10 23:00:31.569 UTC -0.10 s _ 33.26° 102.9° no Time Action show
UE.UMZA.--.HHZ P 2021-04-10 23:00:35.470 UTC 0.10 s _ 33.68° 106.9° no Time Action show
OM.SOH.--.HHZ P 2021-04-10 23:00:37.519 UTC -0.10 s _ 33.94° 103.6° no Time Action show
II.AAK.00.BHZ P 2021-04-10 23:01:38.349 UTC 0.20 s _ 41.08° 65.9° no Time Action show
II.KURK.10.BHZ P 2021-04-10 23:01:49.960 UTC 0 s _ 42.57° 53.2° yes Time Action show
II.NIL.00.BHZ P 2021-04-10 23:01:52.740 UTC 0.40 s _ 42.82° 79.1° no Time Action show
IU.MAKZ.00.BHZ P 2021-04-10 23:02:12.500 UTC -0.30 s _ 45.39° 58.2° no Time Action show

Ground Motion

No ground motions for this event.