Event 20210403-3
2021-04-03 16:43:43.180 UTC 21 km 4.7 mb
3.4434°S, 12.4510°W
South Atlantic Ocean
Time Error: 0.55 s Analysis Type: Manual
Time RMS: 0.27 s Num. Stations: 11
Depth Error: 37 km Num. Phases: 11
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 301° Effects Type: Seismic
 
UNCHECKED, FULLY AUTOMATIC LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 4.7 mb BH Action show
4.8 M 6 0.7 NEIC Action show
4.7 mb 6 0.2 NEIC Action show
 
Origin Details
Ellipse Major: 47.50 km Seismic Moment:
Ellipse Minor: 26.10 km Corner Frequency:
Ellipse Strike: 50.0° Stress Drop:
Min. Distance: 43.25° Source Radius:
Max. Distance: 90.06° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@63474
Fixed Time: no External Origin ID: HYDRA_RED@119399
 
Error Ellipse
Length Azimuth Dip Action
Maximum 111.70 km 230.00° 2.00° Action show
Intermediate 63.70 km 139.00° 30.00° Action show
Minimum 52.20 km 324.00° 59.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
GE.EIL.--.BHZ 2021-04-03 16:53:21.839 UTC 11.3 1.00 s 4.8 mb 56.04° 50.6° Action show
IU.KIEV.00.BHZ 2021-04-03 16:54:19.210 UTC 47.9 1.00 s 5.6 mb 64.65° 27.9° Action show
QK.SLY.--.HHZ 2021-04-03 16:54:33.150 UTC 4.7 1.08 s 4.6 mb 66.59° 48.8° Action show
MM.KI05.--.HHZ 2021-04-03 16:54:33.849 UTC 8.5 1.08 s 4.8 mb 66.69° 48.6° Action show
AE.ALN.--.HHZ 2021-04-03 16:55:04.619 UTC 5.4 1.10 s 4.5 mb 71.66° 63.4° Action show
II.UOSS.10.BHZ 2021-04-03 16:55:07.509 UTC 6.3 1.00 s 4.6 mb 72.25° 62.6° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
II.MBAR.10.BHZ P 2021-04-03 16:51:43.809 UTC 0 s _ 43.25° 87.2° yes Time Action show
GE.EIL.--.BHZ P 2021-04-03 16:53:21.039 UTC 0.20 s _ 56.04° 50.6° yes Time Action show
IU.KIEV.00.BHZ P 2021-04-03 16:54:17.710 UTC -1.60 s _ 64.65° 27.9° yes Time Action show
QK.SLY.--.HHZ P 2021-04-03 16:54:32.598 UTC 0.10 s _ 66.59° 48.8° yes Time Action show
MM.KI05.--.HHZ P 2021-04-03 16:54:32.729 UTC -0.30 s _ 66.69° 48.6° yes Time Action show
UE.UMZA.--.HHZ P 2021-04-03 16:54:58.890 UTC -0.10 s _ 70.84° 64.7° yes Time Action show
AE.ALN.--.HHZ P 2021-04-03 16:55:04.099 UTC 0.10 s _ 71.66° 63.4° yes Time Action show
II.UOSS.10.BHZ P 2021-04-03 16:55:06.710 UTC -0.80 s _ 72.25° 62.6° yes Time Action show
DN.HAT.--.HHZ P 2021-04-03 16:55:07.150 UTC 0.20 s _ 72.16° 62.7° yes Time Action show
OM.SOH.--.HHZ P 2021-04-03 16:55:08.200 UTC 0 s _ 72.37° 63.5° yes Time Action show
II.AAK.00.BHZ P 2021-04-03 16:56:41.710 UTC -0.20 s _ 90.06° 47.5° yes Time Action show

Ground Motion

No ground motions for this event.