Earthquake 20170830-7

2017-08-30 22:09:53.160 376.2 km 4.8 mb
29.7741°N, 127.9296°E
East Cina Sea
322 km SW of Kagoshima, Japan
Time Error: 0.47 s Depth Error: 19.1 km
Num. Stations: 20 Time RMS: 0.23 s
Num. Phases: 21 Azimuth Gap: 253°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
Emblem-favorite 4.8 mb 19 0.10 NCMS System-search
4.9 M 29 0.40 NCMS System-search
4.8 mb 0 0 NCMS System-search
4.8 M 0 0 NCMS System-search

Origin Details

Ellipse Major:23.20 km Min. Distance:39.26° Fixed Depth:no
Ellipse Minor:13.00 km Max. Distance:78.23° Fixed Phase:no
Ellipse Strike:156.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@18174 External Origin ID:HYDRA_RED@36389

Error Ellipse

Azimuth Dip Magnitude Action
Max 156° 12° 55.3 km System-search
Intermediate 59° 29° 31.7 km System-search
Min 266° 57° 25.4 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2017-08-30 22:16:48.065 4.9 0.95 s 3.8 mb 39.26° 308.8° System-search
II.KURK.00.BHZ 2017-08-30 22:17:11.309 17.5 0.90 s 4.3 mb 42.12° 314.1° System-search
II.AAK.00.BHZ 2017-08-30 22:17:29.359 33.1 1.30 s 4.5 mb 44.30° 302.0° System-search
II.BRVK.00.BHZ 2017-08-30 22:17:54.059 52.3 0.90 s 4.8 mb 47.57° 316.4° System-search
IU.KBL.--.BHZ 2017-08-30 22:18:09.339 38.4 0.85 s 4.8 mb 49.48° 291.7° System-search
IU.COLA.00.BHZ 2017-08-30 22:19:34.410 14.7 1.30 s 4.3 mb 61.04° 29.0° System-search
OM.BID.--.HHZ 2017-08-30 22:19:36.309 28.8 1.08 s 4.7 mb 61.86° 282.4° System-search
OM.SOH.--.HHZ 2017-08-30 22:19:42.720 6.1 0.82 s 4.3 mb 62.98° 283.7° System-search
DN.HAT.--.HHZ 2017-08-30 22:19:43.700 5.4 0.82 s 4.2 mb 63.06° 284.6° System-search
DN.FAQ.--.HHZ 2017-08-30 22:19:45.990 69.0 0.76 s 5.4 mb 63.54° 284.7° System-search
AE.ALN.--.HHZ 2017-08-30 22:19:47.380 28.3 0.70 s 5.0 mb 63.67° 283.9° System-search
AE.MZR.--.HHZ 2017-08-30 22:20:02.539 30.2 0.68 s 5.2 mb 66.00° 283.8° System-search
II.OBN.00.BHZ 2017-08-30 22:20:07.660 121.2 1.50 s 5.4 mb 66.89° 321.4° System-search
II.KIV.00.BHZ 2017-08-30 22:20:08.079 169.8 1.30 s 5.6 mb 66.81° 308.6° System-search
IU.GNI.00.BHZ 2017-08-30 22:20:08.759 20.5 1.00 s 4.8 mb 66.65° 304.1° System-search
BH.SAK.--.HHZ 2017-08-30 22:20:09.750 36.9 1.20 s 5.0 mb 67.29° 287.9° System-search
GO.AKH.--.HHZ 2017-08-30 22:20:11.019 80.9 1.72 s 5.2 mb 67.11° 305.7° System-search
IU.ANTO.00.BHZ 2017-08-30 22:20:57.444 20.7 1.00 s 4.8 mb 75.19° 307.6° System-search
GE.EIL.--.BHZ 2017-08-30 22:21:15.140 31.6 1.60 s 4.8 mb 78.23° 297.5° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-08-30 22:16:46.039 -0.90 s 39.26° 308.8° yes Time System-search
II.KURK.00.BHZ P 2017-08-30 22:17:10.160 0.30 s 42.12° 314.1° yes Time System-search
II.AAK.00.BHZ P 2017-08-30 22:17:28.259 0.80 s 44.30° 302.0° yes Time System-search
II.NIL.00.BHZ P 2017-08-30 22:17:42.329 0 s 46.21° 289.6° no Time System-search
II.BRVK.00.BHZ P 2017-08-30 22:17:52.259 0 s 47.57° 316.4° yes Time System-search
IU.KBL.--.BHZ P 2017-08-30 22:18:07.990 0.70 s 49.48° 291.7° yes Time System-search
IU.COLA.00.BHZ P 2017-08-30 22:19:28.009 0.10 s 61.04° 29.0° no Time System-search
OM.BID.--.HHZ P 2017-08-30 22:19:34.759 0.60 s 61.86° 282.4° no Time System-search
OM.SOH.--.HHZ P 2017-08-30 22:19:41.410 -0.10 s 62.98° 283.7° no Time System-search
DN.HAT.--.HHZ P 2017-08-30 22:19:42.039 0 s 63.06° 284.6° no Time System-search
DN.FAQ.--.HHZ P 2017-08-30 22:19:45.240 0.10 s 63.54° 284.7° yes Time System-search
AE.ALN.--.HHZ P 2017-08-30 22:19:45.880 -0.10 s 63.67° 283.9° no Time System-search
AE.MZR.--.HHZ P 2017-08-30 22:19:59.759 -1.10 s 66.00° 283.8° no Time System-search
IU.GNI.00.BHZ P 2017-08-30 22:20:04.359 -0.50 s 66.65° 304.1° no Time System-search
II.OBN.00.BHZ P 2017-08-30 22:20:04.470 -1.30 s 66.89° 321.4° no Time System-search
II.KIV.00.BHZ P 2017-08-30 22:20:05.529 -0.20 s 66.81° 308.6° no Time System-search
GO.AKH.--.HHZ P 2017-08-30 22:20:07.670 -0.10 s 67.11° 305.7° no Time System-search
BH.SAK.--.HHZ P 2017-08-30 22:20:08.079 -0.80 s 67.29° 287.9° no Time System-search
IU.ANTO.00.BHZ P 2017-08-30 22:20:55.670 0.10 s 75.19° 307.6° no Time System-search
IU.ANTO.00.BHZ PcP 2017-08-30 22:20:56.190 -10.90 s 75.19° 307.6° yes Time System-search
GE.EIL.--.BHZ P 2017-08-30 22:21:12.440 0 s 78.23° 297.5° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170830-7

Time: 2017-08-30 22:09:53.160
Position:29.7741°N, 127.9296°E
Place:East Cina Sea
Major Place:322 km SW of Kagoshima, Japan
Depth:376.2 km
Magnitude:4.8 mb