Event 20210423-3
2021-04-23 15:16:24.060 UTC 472 km 4.5 mb
30.3830°N, 137.6540°E
Phillipine Sea; 90 km from Kinan Seamount Chain,
Time Error: 1.01 s Analysis Type: Manual
Time RMS: 0.50 s Num. Stations: 16
Depth Error: 15 km Num. Phases: 17
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 248° Effects Type: Seismic
 
MANUALLY REVIEWED LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
4.5 M 0 0 NCMS Action show
Emblem favorite 4.5 mb 0 0 BH Action show
4.5 mb 13 0.2 NEIC Action show
5.0 M 23 0.3 NEIC Action show
 
Origin Details
Ellipse Major: 34.50 km Seismic Moment:
Ellipse Minor: 9.20 km Corner Frequency:
Ellipse Strike: 162.0° Stress Drop:
Min. Distance: 45.54° Source Radius:
Max. Distance: 81.33° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@65075
Fixed Time: no External Origin ID: HYDRA_RED@122444
 
Error Ellipse
Length Azimuth Dip Action
Maximum 81.00 km 163.00° 2.00° Action show
Intermediate 23.10 km 54.00° 82.00° Action show
Minimum 21.60 km 254.00° 7.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2021-04-23 15:24:00.835 UTC 6.0 0.60 s 4.2 mb 45.54° 307.4° Action show
II.AAK.00.BHZ 2021-04-23 15:24:43.559 UTC 22.8 0.80 s 4.6 mb 51.13° 302.3° Action show
II.NIL.00.BHZ 2021-04-23 15:25:04.309 UTC 23.6 0.80 s 4.6 mb 53.90° 291.5° Action show
IU.COLA.00.BHZ 2021-04-23 15:25:20.315 UTC 12.1 1.00 s 4.2 mb 56.37° 29.6° Action show
IU.KBL.--.BHZ 2021-04-23 15:25:25.369 UTC 11.5 0.75 s 4.3 mb 57.03° 293.7° Action show
AE.ALN.--.HHZ 2021-04-23 15:26:58.549 UTC 6.9 0.64 s 4.4 mb 71.62° 287.6° Action show
II.KIV.00.BHZ 2021-04-23 15:27:06.329 UTC 46.3 0.80 s 5.1 mb 72.90° 311.3° Action show
AE.MZR.--.HHZ 2021-04-23 15:27:11.529 UTC 44.1 1.78 s 4.8 mb 73.96° 287.6° Action show
QK.SLY.--.HHZ 2021-04-23 15:27:14.680 UTC 2.9 0.88 s 3.9 mb 74.63° 302.5° Action show
AE.MKZ.--.HHZ 2021-04-23 15:27:15.670 UTC 13.0 0.76 s 4.6 mb 74.71° 287.9° Action show
IU.KIEV.00.BHZ 2021-04-23 15:27:30.410 UTC 76.7 0.70 s 5.3 mb 77.60° 321.9° Action show
II.FFC.00.BHZ 2021-04-23 15:27:48.359 UTC 6.0 0.70 s 4.3 mb 81.00° 30.4° Action show
AE.AJN.--.HHZ 2021-04-23 15:28:21.210 UTC 21.8 1.14 s 4.6 mb 72.02° 288.4° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2021-04-23 15:24:00.460 UTC 0.10 s _ 45.54° 307.4° yes Time Action show
II.KURK.10.BHZ P 2021-04-23 15:24:17.660 UTC -0.10 s _ 47.85° 312.7° yes Time Action show
II.AAK.00.BHZ P 2021-04-23 15:24:42.759 UTC 0.30 s _ 51.13° 302.3° yes Time Action show
II.NIL.00.BHZ P 2021-04-23 15:25:03.559 UTC 1.20 s _ 53.90° 291.5° yes Time Action show
II.KDAK.00.BHZ P 2021-04-23 15:25:04.109 UTC 0.20 s _ 54.19° 38.2° yes Time Action show
IU.COLA.00.BHZ P 2021-04-23 15:25:19.440 UTC 0.40 s _ 56.37° 29.6° yes Time Action show
IU.KBL.--.BHZ P 2021-04-23 15:25:24.220 UTC -0.20 s _ 57.03° 293.7° yes Time Action show
IU.MAKZ.00.BHZ pP 2021-04-23 15:25:28.740 UTC -0.40 s _ 45.54° 307.4° yes Time Action show
OM.BID.--.HHZ P 2021-04-23 15:26:47.430 UTC 0.40 s _ 69.89° 286.1° no Time Action show
OM.SOH.--.HHZ P 2021-04-23 15:26:54.000 UTC 0.70 s _ 70.94° 287.4° yes Time Action show
DN.HAT.--.HHZ P 2021-04-23 15:26:54.490 UTC 1.00 s _ 70.98° 288.2° yes Action show
OM.ASH.--.HHZ P 2021-04-23 15:26:55.039 UTC 0.80 s _ 71.10° 288.1° yes Action show
DN.FAQ.--.HHZ P 2021-04-23 15:26:56.269 UTC -0.10 s _ 71.46° 288.3° no Time Action show
AE.ALN.--.HHZ P 2021-04-23 15:26:57.859 UTC 0.60 s _ 71.62° 287.6° yes Action show
AE.AJN.--.HHZ P 2021-04-23 15:26:58.829 UTC -0.80 s _ 72.02° 288.4° no Time Action show
UE.UMZA.--.HHZ P 2021-04-23 15:27:03.410 UTC -0.10 s _ 72.70° 286.6° yes Action show
II.KIV.00.BHZ P 2021-04-23 15:27:04.730 UTC 0.20 s _ 72.90° 311.3° no Time Action show
AE.MZR.--.HHZ P 2021-04-23 15:27:10.849 UTC 0.10 s _ 73.96° 287.6° yes Action show
QK.SLY.--.HHZ P 2021-04-23 15:27:14.200 UTC -0.40 s _ 74.63° 302.5° yes Action show
AE.MKZ.--.HHZ P 2021-04-23 15:27:14.970 UTC -0.10 s _ 74.71° 287.9° yes Action show
UE.SLWR.--.HHZ P 2021-04-23 15:27:16.440 UTC 0.10 s _ 74.95° 289.4° yes Action show
BH.SAK.R1.HHZ P 2021-04-23 15:27:16.609 UTC -0.20 s _ 75.03° 291.6° no Time Action show
IU.KIEV.00.BHZ P 2021-04-23 15:27:29.309 UTC -1.30 s _ 77.60° 321.9° yes Time Action show
II.FFC.00.BHZ P 2021-04-23 15:27:46.960 UTC -1.60 s _ 81.00° 30.4° yes Time Action show
IU.ANTO.00.BHZ P 2021-04-23 15:27:50.660 UTC 0 s _ 81.33° 311.3° yes Time Action show

Ground Motion

No ground motions for this event.