Event 20210802-4
2021-08-02 03:29:02.340 UTC 21 km 5.7 mb
44.9434°N, 148.0069°E
North Pacific Ocean; 9 km from Sernozavodskiy, Sakhalin Oblast, Russia
Time Error: 2.28 s Analysis Type: Manual
Time RMS: 1.13 s Num. Stations: 0
Depth Error: 27 km Num. Phases: 12
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 228° Effects Type: Seismic
 
UNCHECKED, FULLY AUTOMATIC LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
Emblem favorite 5.7 mb BH Action show
5.9 M 4 1.1 NEIC Action show
5.7 mb 4 0.3 NEIC Action show
 
Origin Details
Ellipse Major: 41.60 km Seismic Moment:
Ellipse Minor: 8.90 km Corner Frequency:
Ellipse Strike: 171.0° Stress Drop:
Min. Distance: 24.26° Source Radius:
Max. Distance: 77.49° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@9259
Fixed Time: no External Origin ID: HYDRA_RED@18589
 
Error Ellipse
Length Azimuth Dip Action
Maximum 101.50 km 171.00° 5.00° Action show
Intermediate 34.30 km 63.00° 72.00° Action show
Minimum 17.90 km 262.00° 16.00° Action show
 

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.ADK.00.BHZ 2021-08-02 03:34:28.734 UTC 21.4 0.75 s 4.8 mb 24.43° 59.7° Action show
IU.COLA.00.BHZ 2021-08-02 03:36:35.984 UTC 111.0 0.90 s 5.6 mb 40.09° 36.5° Action show
IU.MAKZ.00.BHZ 2021-08-02 03:37:15.890 UTC 111.8 0.75 s 5.8 mb 45.09° 297.6° Action show
II.AAK.00.BHZ 2021-08-02 03:38:07.009 UTC 532.6 1.30 s 6.3 mb 51.69° 295.6° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
IU.ADK.00.BHZ P 2021-08-02 03:34:18.109 UTC 0.40 s _ 24.43° 59.7° yes Time Action show
II.KDAK.00.BHZ P 2021-08-02 03:36:17.359 UTC -1.10 s _ 38.26° 48.0° yes Time Action show
IU.COLA.00.BHZ P 2021-08-02 03:36:34.009 UTC 1.00 s _ 40.09° 36.5° yes Time Action show
IU.MAKZ.00.BHZ P 2021-08-02 03:37:14.440 UTC 0.10 s _ 45.09° 297.6° yes Time Action show
II.KURK.10.BHZ P 2021-08-02 03:37:18.339 UTC -0.60 s _ 45.73° 303.8° yes Time Action show
II.AAK.00.BHZ P 2021-08-02 03:38:06.059 UTC 0.30 s _ 51.69° 295.6° yes Time Action show
IU.KBL.--.BHZ P 2021-08-02 03:39:01.519 UTC -1.70 s _ 59.62° 290.1° yes Time Action show
II.FFC.00.BHZ P 2021-08-02 03:39:35.710 UTC -0.70 s _ 64.72° 37.0° yes Time Action show
II.KIV.00.BHZ P 2021-08-02 03:40:09.559 UTC 0.80 s _ 69.82° 312.2° yes Time Action show
IU.KIEV.00.BHZ P 2021-08-02 03:40:17.859 UTC -0.20 s _ 71.44° 324.1° yes Time Action show
IU.GNI.00.BHZ P 2021-08-02 03:40:19.460 UTC 1.50 s _ 71.28° 308.2° yes Time Action show
II.UOSS.10.BHZ P 2021-08-02 03:40:35.210 UTC -1.50 s _ 74.29° 289.7° yes Time Action show
IU.ANTO.00.BHZ P 2021-08-02 03:40:56.940 UTC 0.60 s _ 77.90° 314.8° yes Time Action show

Ground Motion

No ground motions for this event.