Event 20210418-36
2021-04-18 15:17:20.000 UTC 16 km 4.9 mb
61.7056°N, 26.8185°W
North Atlantic Ocean; 34 km from Reykjanes Ridge,
Time Error: 0.70 s Analysis Type: Manual
Time RMS: 0.35 s Num. Stations: 22
Depth Error: 27 km Num. Phases: 22
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 127° Effects Type: Seismic
 
UNCHECKED, FULLY AUTOMATIC LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 4.9 mb 0 0 BH Action show
4.9 M 0 0 NCMS Action show
5.0 M 12 0.6 NEIC Action show
4.9 mb 12 0.2 NEIC Action show
 
Origin Details
Ellipse Major: 14.20 km Seismic Moment:
Ellipse Minor: 4.70 km Corner Frequency:
Ellipse Strike: 180.0° Stress Drop:
Min. Distance: 23.82° Source Radius:
Max. Distance: 66.49° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@64605
Fixed Time: no External Origin ID: HYDRA_RED@121553
 
Error Ellipse
Length Azimuth Dip Action
Maximum 45.40 km 182.00° 58.00° Action show
Intermediate 26.80 km 359.00° 31.00° Action show
Minimum 10.90 km 90.00° 1.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.BFO.00.BHZ 2021-04-18 15:22:37.670 UTC 11.5 2.00 s 4.1 mb 23.83° 108.0° Action show
IU.PAB.00.BHZ 2021-04-18 15:22:56.910 UTC 44.8 1.50 s 4.9 mb 26.11° 137.8° Action show
IU.KIEV.00.BHZ 2021-04-18 15:23:44.660 UTC 25.1 1.00 s 5.1 mb 32.03° 84.0° Action show
II.FFC.00.BHZ 2021-04-18 15:24:40.460 UTC 12.5 1.10 s 4.6 mb 38.10° 294.7° Action show
IU.WCI.10.BHZ 2021-04-18 15:25:24.009 UTC 15.8 0.90 s 4.7 mb 42.91° 265.2° Action show
IU.COLA.00.BHZ 2021-04-18 15:25:54.085 UTC 15.3 1.05 s 4.9 mb 46.36° 329.7° Action show
IU.GNI.00.BHZ 2021-04-18 15:25:54.519 UTC 50.3 1.50 s 5.4 mb 47.14° 82.7° Action show
MM.KI05.--.HHZ 2021-04-18 15:26:21.750 UTC 49.8 1.58 s 5.2 mb 50.93° 85.4° Action show
QK.KSDD.--.HHZ 2021-04-18 15:26:26.670 UTC 20.0 1.78 s 4.8 mb 51.63° 85.8° Action show
IU.MAKZ.00.BHZ 2021-04-18 15:27:10.660 UTC 26.0 1.70 s 5.0 mb 57.76° 50.2° Action show
II.AAK.00.BHZ 2021-04-18 15:27:16.509 UTC 63.6 1.70 s 5.4 mb 58.37° 58.1° Action show
AE.MKZ.--.HHZ 2021-04-18 15:27:59.759 UTC 14.3 1.44 s 4.9 mb 65.07° 87.6° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
II.BFO.00.BHZ P 2021-04-18 15:22:31.119 UTC -1.00 s _ 23.83° 108.0° no Time Action show
IU.PAB.00.BHZ P 2021-04-18 15:22:53.160 UTC 0.20 s _ 26.11° 137.8° yes Time Action show
IU.KIEV.00.BHZ P 2021-04-18 15:23:44.210 UTC -1.20 s _ 32.03° 84.0° yes Time Action show
II.FFC.00.BHZ P 2021-04-18 15:24:36.910 UTC -0.70 s _ 38.10° 294.7° yes Time Action show
IU.WCI.10.BHZ P 2021-04-18 15:25:17.259 UTC -0.30 s _ 42.91° 265.2° yes Time Action show
IU.WVT.10.BHZ P 2021-04-18 15:25:34.539 UTC -2.40 s _ 45.33° 264.8° no Time Action show
IU.CCM.10.BHZ P 2021-04-18 15:25:37.109 UTC -0.40 s _ 45.41° 269.5° yes Time Action show
IU.COLA.00.BHZ P 2021-04-18 15:25:44.809 UTC 0.10 s _ 46.36° 329.7° yes Time Action show
IU.GNI.00.BHZ P 2021-04-18 15:25:51.470 UTC 0.10 s _ 47.14° 82.7° no Time Action show
MM.KI05.--.HHZ P 2021-04-18 15:26:20.839 UTC 0.40 s _ 50.93° 85.4° yes Time Action show
QK.KSDD.--.HHZ P 2021-04-18 15:26:25.809 UTC 0.20 s _ 51.63° 85.8° yes Time Action show
II.KURK.10.BHZ P 2021-04-18 15:26:37.410 UTC 0 s _ 53.27° 49.8° yes Time Action show
IU.HKT.10.BHZ P 2021-04-18 15:26:44.660 UTC 0.20 s _ 54.20° 267.5° yes Time Action show
IU.ANMO.10.HHZ P 2021-04-18 15:26:51.809 UTC 0.40 s _ 55.13° 280.0° no Time Action show
IU.MAKZ.00.BHZ P 2021-04-18 15:27:09.759 UTC 0 s _ 57.76° 50.2° yes Time Action show
II.AAK.00.BHZ P 2021-04-18 15:27:14.559 UTC 0.20 s _ 58.37° 58.1° yes Time Action show
IU.TUC.10.BHZ P 2021-04-18 15:27:21.690 UTC 0.70 s _ 59.33° 281.8° yes Time Action show
AE.MKZ.--.HHZ P 2021-04-18 15:27:59.470 UTC 0 s _ 65.07° 87.6° yes Time Action show
DN.HAT.--.HHZ P 2021-04-18 15:28:00.180 UTC 0.20 s _ 65.15° 83.5° yes Time Action show
OM.ASH.--.HHZ P 2021-04-18 15:28:00.430 UTC -0.20 s _ 65.24° 83.7° no Time Action show
OM.SOH.--.HHZ P 2021-04-18 15:28:03.640 UTC -1.40 s _ 65.93° 83.6° no Time Action show
UE.UMZA.--.HHZ P 2021-04-18 15:28:08.609 UTC 0 s _ 66.49° 85.5° yes Time Action show

Ground Motion

No ground motions for this event.