Event 20210418-28
2021-04-18 14:11:41.450 UTC 30 km 5.8 mb
23.8668°N, 121.6176°E
1.9 km from Yanliao, Taiwan, Taiwan
Time Error: 0.73 s Analysis Type: Manual
Time RMS: 0.36 s Num. Stations: 41
Depth Error: 8 km Num. Phases: 41
Reference Elevation: 0 km Max. Intensity (MMI):
Azimuth Gap: 99° Effects Type: Seismic
 
UNCHECKED, FULLY AUTOMATIC LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
6.0 Mwb 20 0.1 NEIC Action show
5.7 Mwp 17 0.1 NEIC Action show
5.1 Ms_BB 1 0.5 NEIC Action show
6.0 mB_BB 19 0.1 NEIC Action show
5.8 M 0 0 NCMS Action show
Emblem favorite 5.8 mb 0 0 BH Action show
5.7 M 80 0.1 NEIC Action show
5.8 mb 25 0.1 NEIC Action show
 
Origin Details
Ellipse Major: 8.70 km Seismic Moment:
Ellipse Minor: 6.00 km Corner Frequency:
Ellipse Strike: 194.0° Stress Drop:
Min. Distance: 28.76° Source Radius:
Max. Distance: 93.26° Location Method: Inversion
Fixed Location: no Author: NEIC
Fixed Depth: no Event Type: Earthquake
Fixed Phase: no External Event ID: HYDRA_RED@64596
Fixed Time: no External Origin ID: HYDRA_RED@121537
 
Error Ellipse
Length Azimuth Dip Action
Maximum 20.40 km 194.00° 4.00° Action show
Intermediate 14.20 km 103.00° 14.00° Action show
Minimum 12.00 km 302.00° 74.00° Action show
 
Magnitude Moment Tensors
Type Traces % DC Misfit/Var. Red. Centroid Best Double Couple Moment Tensor Action
M0 Plane Strike Dip Rake Mrr Mrt Mrp Mtt Mtp Mpp
Ffffffff MT 20 88% 0.56 2 km 1.1e+18 nt-m NP1
NP2
250.0
111.0
88.0
2.0
-91.0
-49.0
-3.060e+16 1.010e+18 3.640e+17 9.350e+16 3.030e+16 -6.290e+16 Action show
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
II.KAPI.00.BHZ 2021-04-18 14:17:45.634 UTC 19.3 0.95 s 4.8 mb 28.76° 183.9° Action show
II.KAPI.00.BHZ 2021-04-18 14:17:47.035 UTC 294.3 2.10 s 5.2 mB_BB 28.76° 183.9° Action show
IU.MAKZ.00.BHZ 2021-04-18 14:19:12.224 UTC 1950.2 2.40 s 6.0 mB_BB 39.05° 316.0° Action show
IU.MAKZ.00.BHZ 2021-04-18 14:19:13.450 UTC 214.7 1.00 s 5.8 mb 39.05° 316.0° Action show
IU.MAKZ.00.BHZ 2021-04-18 14:19:14.974 UTC 2694.1 9.63 s 5.6 Mwp 39.05° 316.0° Action show
II.AAK.00.BHZ 2021-04-18 14:19:48.609 UTC 6645.9 9.40 s 5.9 Mwp 43.01° 307.6° Action show
II.AAK.00.BHZ 2021-04-18 14:19:50.609 UTC 2083.4 3.20 s 6.0 mB_BB 43.01° 307.6° Action show
II.AAK.00.BHZ 2021-04-18 14:19:52.059 UTC 176.9 1.20 s 5.7 mb 43.01° 307.6° Action show
IU.KBL.--.BHZ 2021-04-18 14:20:14.694 UTC 2108.9 2.10 s 6.3 mB_BB 46.66° 295.7° Action show
IU.KBL.--.BHZ 2021-04-18 14:20:16.045 UTC 201.9 1.15 s 6.0 mb 46.66° 295.7° Action show
IU.KBL.--.BHZ 2021-04-18 14:20:17.319 UTC 3080.2 9.15 s 5.7 Mwp 46.66° 295.7° Action show
IU.MIDW.00.BHZ 2021-04-18 14:21:08.994 UTC 404.1 1.95 s 6.1 mb 54.50° 71.4° Action show
IU.NWAO.00.BHZ 2021-04-18 14:21:32.064 UTC 50.9 1.35 s 5.4 mb 56.63° 184.4° Action show
AE.MSF.--.HHZ 2021-04-18 14:21:40.609 UTC 253.9 2.98 s 5.5 mB_BB 58.97° 286.3° Action show
AE.MSF.--.HHZ 2021-04-18 14:21:47.759 UTC 14.4 0.86 s 5.1 mb 58.97° 286.3° Action show
AE.MSF.--.HHZ 2021-04-18 14:21:47.779 UTC 934.7 9.21 s 5.3 Mwp 58.97° 286.3° Action show
AE.ALN.--.HHZ 2021-04-18 14:21:50.119 UTC 417.9 1.34 s 5.7 mB_BB 59.65° 284.9° Action show
AE.ALN.--.HHZ 2021-04-18 14:21:50.670 UTC 40.0 1.10 s 5.5 mb 59.65° 284.9° Action show
AE.ALN.--.HHZ 2021-04-18 14:21:51.619 UTC 1037.7 8.39 s 5.4 Mwp 59.65° 284.9° Action show
AE.AJN.--.HHZ 2021-04-18 14:21:53.349 UTC 583.6 2.06 s 5.9 mB_BB 60.19° 285.7° Action show
AE.AJN.--.HHZ 2021-04-18 14:21:53.910 UTC 51.0 1.16 s 5.5 mb 60.19° 285.7° Action show
AE.SRB.--.HHZ 2021-04-18 14:21:57.170 UTC 894.2 1.06 s 6.1 mB_BB 60.70° 286.6° Action show
AE.SRB.--.HHZ 2021-04-18 14:21:57.549 UTC 109.1 1.02 s 5.9 mb 60.70° 286.6° Action show
AE.SRB.--.HHZ 2021-04-18 14:21:57.940 UTC 1020.8 8.25 s 5.4 Mwp 60.70° 286.6° Action show
AE.MZR.--.HHZ 2021-04-18 14:22:04.970 UTC 697.1 1.38 s 5.9 mB_BB 61.94° 284.4° Action show
AE.MZR.--.HHZ 2021-04-18 14:22:05.549 UTC 66.7 1.06 s 5.7 mb 61.94° 284.4° Action show
AE.JRN.--.HHZ 2021-04-18 14:22:05.700 UTC 1201.7 1.02 s 6.2 mB_BB 61.98° 286.6° Action show
AE.MZR.--.HHZ 2021-04-18 14:22:06.089 UTC 1380.0 7.19 s 5.5 Mwp 61.94° 284.4° Action show
AE.JRN.--.HHZ 2021-04-18 14:22:06.109 UTC 131.5 0.96 s 6.0 mb 61.98° 286.6° Action show
II.UOSS.10.BHZ 2021-04-18 14:22:07.000 UTC 8.7 1.00 s 4.8 mb 59.03° 285.8° Action show
AE.MKZ.--.HHZ 2021-04-18 14:22:10.339 UTC 1103.6 1.32 s 6.1 mB_BB 62.74° 284.6° Action show
AE.MKZ.--.HHZ 2021-04-18 14:22:11.490 UTC 123.1 1.04 s 6.0 mb 62.74° 284.6° Action show
AE.AJN.--.HHZ 2021-04-18 14:22:16.160 UTC 5565.2 28.44 s 6.0 Mwp 60.19° 285.7° Action show
AE.MKZ.--.HHZ 2021-04-18 14:22:19.539 UTC 2098.0 15.33 s 5.7 Mwp 62.74° 284.6° Action show
IU.GNI.00.BHZ 2021-04-18 14:22:24.690 UTC 1271.5 3.85 s 5.5 Mwp 65.31° 304.8° Action show
IU.GNI.00.BHZ 2021-04-18 14:22:28.789 UTC 1512.5 1.30 s 6.3 mB_BB 65.31° 304.8° Action show
QK.KSDD.--.HHZ 2021-04-18 14:22:29.509 UTC 665.4 0.98 s 5.9 mB_BB 65.59° 299.3° Action show
QK.SLY.--.HHZ 2021-04-18 14:22:29.900 UTC 450.7 1.42 s 5.7 mB_BB 65.68° 299.9° Action show
QK.KSDD.--.HHZ 2021-04-18 14:22:30.400 UTC 65.6 0.78 s 5.8 mb 65.59° 299.3° Action show
QK.SLY.--.HHZ 2021-04-18 14:22:30.410 UTC 40.8 0.92 s 5.5 mb 65.68° 299.9° Action show
MM.KI05.--.HHZ 2021-04-18 14:22:31.019 UTC 2409.3 3.00 s 6.5 mB_BB 65.61° 300.1° Action show
II.KIV.00.BHZ 2021-04-18 14:22:33.109 UTC 5416.3 1.20 s 6.8 mB_BB 66.09° 309.2° Action show
II.KIV.00.BHZ 2021-04-18 14:22:34.210 UTC 729.7 1.10 s 6.7 mb 66.09° 309.2° Action show
MM.KI05.--.HHZ 2021-04-18 14:22:34.369 UTC 234.5 1.10 s 6.2 mb 65.61° 300.1° Action show
IU.GNI.00.BHZ 2021-04-18 14:22:34.740 UTC 166.8 1.10 s 6.1 mb 65.31° 304.8° Action show
QK.SLY.--.HHZ 2021-04-18 14:22:36.079 UTC 1968.8 12.63 s 5.6 Mwp 65.68° 299.9° Action show
MM.KI05.--.HHZ 2021-04-18 14:22:39.430 UTC 6850.9 16.40 s 6.1 Mwp 65.61° 300.1° Action show
QK.KSDD.--.HHZ 2021-04-18 14:22:41.059 UTC 2792.6 17.92 s 5.8 Mwp 65.59° 299.3° Action show
II.KIV.00.BHZ 2021-04-18 14:22:42.359 UTC 6907.1 16.60 s 6.1 Mwp 66.09° 309.2° Action show
IU.COLA.00.BHZ 2021-04-18 14:22:46.089 UTC 1823.7 3.10 s 6.3 mB_BB 68.88° 27.2° Action show
IU.COLA.00.BHZ 2021-04-18 14:22:57.565 UTC 56.0 1.00 s 5.6 mb 68.88° 27.2° Action show
IU.COLA.00.BHZ 2021-04-18 14:22:58.065 UTC 5849.1 15.02 s 6.0 Mwp 68.88° 27.2° Action show
II.MSVF.00.BHZ 2021-04-18 14:22:58.759 UTC 56.2 1.00 s 5.6 mb 68.87° 121.6° Action show
AE.JRN.--.HHZ 2021-04-18 14:23:13.160 UTC 1.0e+04 74.15 s 6.2 Mwp 61.98° 286.6° Action show
IU.KIEV.00.BHZ 2021-04-18 14:23:16.710 UTC 251.2 1.00 s 6.2 mb 73.37° 318.5° Action show
GE.EIL.--.BHZ 2021-04-18 14:23:32.140 UTC 803.1 1.70 s 5.9 mB_BB 75.85° 296.5° Action show
GE.EIL.--.BHZ 2021-04-18 14:23:33.539 UTC 101.6 1.30 s 5.7 mb 75.85° 296.5° Action show
GE.EIL.--.BHZ 2021-04-18 14:23:34.940 UTC 1916.5 9.75 s 5.7 Mwp 75.85° 296.5° Action show
II.BFO.00.BHZ 2021-04-18 14:27:27.009 UTC 115.7 9.00 s 5.3 mB_BB 86.67° 322.2° Action show
II.BFO.00.BHZ 2021-04-18 14:27:37.509 UTC 13.6 1.70 s 4.9 mb 86.67° 322.2° Action show
II.FFC.00.BHZ 2021-04-18 14:27:58.259 UTC 83.3 1.10 s 6.1 mb 93.26° 23.6° Action show
II.KAPI.00.BHZ 2021-04-18 14:32:35.317 UTC 1404.4 16.75 s 5.1 Ms_BB 28.76° 183.9° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
II.KAPI.00.BHZ P 2021-04-18 14:17:36.559 UTC -0.10 s _ 28.76° 183.9° no Time Action show
IU.MAKZ.00.BHZ P 2021-04-18 14:19:05.349 UTC -0.20 s _ 39.05° 316.0° no Time Action show
II.KURK.10.BHZ P 2021-04-18 14:19:34.160 UTC -0.50 s _ 42.59° 320.2° yes Time Action show
II.AAK.00.BHZ P 2021-04-18 14:19:39.210 UTC 0.70 s _ 43.01° 307.6° yes Time Action show
IU.KBL.--.BHZ P 2021-04-18 14:20:08.170 UTC 0.50 s _ 46.66° 295.7° yes Time Action show
IU.MIDW.00.BHZ P 2021-04-18 14:21:06.920 UTC 0.20 s _ 54.50° 71.4° no Time Action show
IU.NWAO.00.BHZ P 2021-04-18 14:21:20.890 UTC -0.90 s _ 56.63° 184.4° yes Time Action show
OM.BID.--.HHZ P 2021-04-18 14:21:29.250 UTC -0.20 s _ 57.67° 283.7° no Time Action show
OM.SOH.--.HHZ P 2021-04-18 14:21:38.329 UTC 0 s _ 58.94° 284.8° no Time Action show
AE.MSF.--.HHZ P 2021-04-18 14:21:38.569 UTC 0 s _ 58.97° 286.3° no Time Action show
DN.HAT.--.HHZ P 2021-04-18 14:21:40.140 UTC 0.50 s _ 59.13° 285.7° no Time Action show
II.UOSS.10.BHZ P 2021-04-18 14:21:40.250 UTC 1.30 s _ 59.03° 285.8° no Time Action show
OM.ASH.--.HHZ P 2021-04-18 14:21:40.569 UTC 0.20 s _ 59.23° 285.5° no Time Action show
DN.NAZ.--.HHZ P 2021-04-18 14:21:42.819 UTC 0.60 s _ 59.50° 286.0° yes Time Action show
DN.FAQ.--.HHZ P 2021-04-18 14:21:42.960 UTC -0.10 s _ 59.62° 285.7° yes Time Action show
AE.ALN.--.HHZ P 2021-04-18 14:21:43.230 UTC 0 s _ 59.65° 284.9° no Time Action show
DN.ASU.--.HHZ P 2021-04-18 14:21:45.349 UTC 0.50 s _ 59.88° 285.6° no Time Action show
AE.AJN.--.HHZ P 2021-04-18 14:21:47.720 UTC 0.80 s _ 60.19° 285.7° no Time Action show
AE.KHT.--.HNZ pP 2021-04-18 14:21:47.789 UTC 0 s _ 58.95° 286.7° yes Time Action show
UE.UMZA.--.HHZ P 2021-04-18 14:21:48.910 UTC -0.30 s _ 60.52° 283.6° yes Time Action show
AE.SRB.--.HHZ P 2021-04-18 14:21:49.690 UTC -0.70 s _ 60.70° 286.6° yes Time Action show
AE.MZR.--.HHZ P 2021-04-18 14:21:58.900 UTC 0.10 s _ 61.94° 284.4° yes Time Action show
AE.JRN.--.HHZ P 2021-04-18 14:21:59.009 UTC -0.10 s _ 61.98° 286.6° yes Time Action show
UE.GHWR.--.HHZ P 2021-04-18 14:22:00.920 UTC 0.30 s _ 62.22° 285.6° no Time Action show
AE.MKZ.--.HHZ P 2021-04-18 14:22:04.210 UTC 0 s _ 62.74° 284.6° yes Time Action show
BH.SAK.R1.HHZ UNKNOWN 2021-04-18 14:22:10.799 UTC 0 s _ 63.74° 288.4° no Action show
IU.GNI.00.BHZ P 2021-04-18 14:22:20.839 UTC -0.20 s _ 65.31° 304.8° no Time Action show
MM.KI05.--.HHZ P 2021-04-18 14:22:23.029 UTC 0 s _ 65.61° 300.1° no Time Action show
QK.KSDD.--.HHZ P 2021-04-18 14:22:23.140 UTC 0.40 s _ 65.59° 299.3° yes Time Action show
QK.SLY.--.HHZ P 2021-04-18 14:22:23.450 UTC 0 s _ 65.68° 299.9° no Time Action show
QK.KSQH.--.HHZ P 2021-04-18 14:22:24.599 UTC 0.30 s _ 65.83° 300.5° no Time Action show
II.KIV.00.BHZ P 2021-04-18 14:22:25.759 UTC -0.20 s _ 66.09° 309.2° yes Time Action show
QK.KHWL.--.HHZ P 2021-04-18 14:22:28.869 UTC -0.20 s _ 66.56° 300.7° no Time Action show
QK.KDGZ.--.HHZ P 2021-04-18 14:22:35.779 UTC 0.40 s _ 67.57° 301.9° no Time Action show
II.KDAK.00.BHZ P 2021-04-18 14:22:37.240 UTC 0 s _ 67.93° 35.1° yes Time Action show
IU.COLA.00.BHZ P 2021-04-18 14:22:43.039 UTC 0 s _ 68.88° 27.2° yes Time Action show
II.MSVF.00.BHZ P 2021-04-18 14:22:44.160 UTC 0.40 s _ 68.87° 121.6° yes Time Action show
IU.KIEV.00.BHZ P 2021-04-18 14:23:08.759 UTC -1.70 s _ 73.37° 318.5° yes Time Action show
IU.ANTO.00.BHZ P 2021-04-18 14:23:16.140 UTC 0.10 s _ 74.26° 307.0° yes Time Action show
GE.EIL.--.BHZ P 2021-04-18 14:23:25.190 UTC -0.10 s _ 75.85° 296.5° yes Time Action show
II.BFO.00.BHZ P 2021-04-18 14:24:21.410 UTC -1.00 s _ 86.67° 322.2° no Time Action show
II.FFC.00.BHZ P 2021-04-18 14:24:52.210 UTC -0.90 s _ 93.26° 23.6° yes Time Action show

Ground Motion

No ground motions for this event.