SeismicPortal

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EMSC
JMA
GSRAS
NEIC
Longitude: Latitude:
Leaflet | © OpenMapTiles © OpenStreetMap contributors
mb 4.1 HOKKAIDO, JAPAN REGION
21 April 2025 18:23:46.7 UTC
unid is 20250421_0000215
Source parameters provided by EMSC-RTS

Event Origins

Datetime (UTC)
rmsOT_error
Lat
Smajor
Lon
Sminor
D. (Km)
AzErr
Ndef
mdist
Nsta
Mdist
Gap Mag1 (N)
Err
Mag2 (N)
Err
Mag3 (N)
Err
Author
Quality
2025-04-21T18:23:46.7Z
0.91+/- 0.5
41.8132
10.4
143.4214
6.5
40
122
64
0.282
57
71.386
149.8 mb 4.1 ()
()
()
EMSC
m i ke
2025-04-21T18:23:30.0Z
+/-
41.8
143.3
30
0
0
m 4 ()
()
()
JMA
a i ke
2025-04-21T18:23:45.8Z
+/-
41.91
143.52
33
24
0.29
24
71.355
157.9 mb 4.2 ()
()
()
GSRAS
m i ke
2025-04-21T18:23:46.626Z
0.84+/- 1.71
41.7809
15.73
143.4345
6.2
37.1
2837.374
40
0.312
38
65.758
149.8 mb 4.1 (24)
0.11
()
()
NEIC
m i ke

Arrivals

Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
ERM 0.282 315.71 Pn 2025-04-21T18:23:54.675Z -0.1
ERM 0.282 315.71 Pn 2025-04-21T18:23:54.675Z -0.1
ERM 0.282 315.71 Sn 2025-04-21T18:24:00.78Z 0.4
JTM 2.048 240.82 Pn 2025-04-21T18:24:19.1Z 0.5
JTM 2.048 240.82 Sn 2025-04-21T18:24:42.96Z 0
JKA 2.382 345.5 Pn 2025-04-21T18:24:25.1Z 1.8
YSS 5.164 354.96 Pn 2025-04-21T18:24:59.8Z -1.6
YSS 5.164 354.96 Pn 2025-04-21T18:25:02.22Z 0.8
MAJO 6.637 219.31 Pn 2025-04-21T18:25:21.51Z -0.2
MAJO 6.637 219.31 Pn 2025-04-21T18:25:22.2Z 0.5
MJAR 6.638 219.26 Pn 2025-04-21T18:25:21.75Z 0
JGF 7.803 219.38 Pn 2025-04-21T18:25:37.85Z 0.1
INU 8.163 219.86 Pn 2025-04-21T18:25:42.52Z -0.1
VLAR 8.625 282.57 Pn 2025-04-21T18:25:50.0Z 1.1
KS31 12.744 255.1 Pn 2025-04-21T18:26:45.2Z -0.1
KS31 12.744 255.1 P 2025-04-21T18:26:45.3Z -10.3
TJN 13.593 251.75 Pn 2025-04-21T18:26:59.0Z 2.1
TJN 13.593 251.75 P 2025-04-21T18:26:59.1Z -6
SEY 21.785 11.04 P 2025-04-21T18:28:33.1Z -1.9
SEY 21.785 11.04 pP 2025-04-21T18:28:33.2Z -11.9
YAK 21.837 342.51 P 2025-04-21T18:28:32.9Z -2.7
YAK 21.837 342.51 pP 2025-04-21T18:28:33.0Z -12.7
KPC 22.91 300.77 P 2025-04-21T18:28:46.6Z -0.6
KPC 22.91 300.77 pP 2025-04-21T18:28:46.7Z -10.6
SONM 26.741 295.73 P 2025-04-21T18:29:22.18Z -0.5 1.9e-9 mB 1.2
ZAK 28.804 301.17 P 2025-04-21T18:29:40.7Z -0.3
ZAK 28.804 301.17 pP 2025-04-21T18:29:40.8Z -11.2
BILL 29.038 17.59 P 2025-04-21T18:29:43.8Z 0.9
BILL 29.038 17.59 pP 2025-04-21T18:29:43.9Z -9.9
F15K 37.265 32.46 P 2025-04-21T18:30:55.53Z 1 5.7000000000000006e-9 mB 1.7
DGZ 39.017 301.37 P 2025-04-21T18:31:09.7Z 0.1
DGZ 39.017 301.37 pP 2025-04-21T18:31:09.8Z -11
ZAA0B 39.973 308.36 P 2025-04-21T18:31:17.59Z 0.3 2.3e-9 mB 1.3
ZALV 39.973 308.36 P 2025-04-21T18:31:17.3Z 0
ZALV 39.973 308.36 pP 2025-04-21T18:31:17.4Z -11.2
ZALV 39.973 308.36 P 2025-04-21T18:31:17.59Z 0.3
G19K 40.387 32.66 P 2025-04-21T18:31:20.78Z 0 3e-9 mB 1.4
J20K 41.479 35.8 P 2025-04-21T18:31:31.2Z 1.3 2.5e-9 mB 1.3
IMAR 41.727 33.08 P 2025-04-21T18:31:33.7Z 1.3
D22K 42.363 28.81 P 2025-04-21T18:31:37.94Z 1 3e-9 mB 1.4
H22K 42.694 33.27 P 2025-04-21T18:31:40.29Z 0.6 1.2e-9 mB 1
MK31 43.035 298.29 P 2025-04-21T18:31:42.1Z -0.4
MK31 43.035 298.29 pP 2025-04-21T18:31:42.2Z -11.6
MKAR 43.035 298.29 P 2025-04-21T18:31:41.79Z -0.7
MKAR 43.035 298.29 P 2025-04-21T18:31:42.2Z -0.3
MKAR 43.035 298.29 pP 2025-04-21T18:31:42.3Z -11.5
SSN 43.101 39.78 P 2025-04-21T18:31:43.58Z 0.5 1.84e-8 mB 2.2
C23K 43.177 27.5 P 2025-04-21T18:31:42.43Z -1.1 4.2e-9 mB 1.5
MAKZ 43.237 298.4 P 2025-04-21T18:31:42.74Z -1.4 2.1e-9 mB 1.2
G23K 43.252 32.08 P 2025-04-21T18:31:43.24Z -1 2.2000000000000003e-9 mB 1.3
NEA2 43.68 35.16 P 2025-04-21T18:31:48.35Z 0.7 6.2e-9 mB 1.7
E24K 43.862 30.11 P 2025-04-21T18:31:49.99Z 0.9 3.5e-9 mB 1.5
KURK 44.317 304.7 P 2025-04-21T18:31:52.2Z -0.6
KURK 44.317 304.7 pP 2025-04-21T18:31:52.3Z -11.8
KURK 44.317 304.7 P 2025-04-21T18:31:52.65Z -0.1 2.7e-9 mB 1.3
D25K 44.64 28.32 P 2025-04-21T18:31:54.5Z -0.8 1.6e-9 mB 1.1
PPD 45.121 33.71 P 2025-04-21T18:31:59.1Z -0.3 4.8e-9 mB 1.6
BMAR 45.362 30.98 P 2025-04-21T18:32:00.24Z -0.9
C27K 45.572 27.87 P 2025-04-21T18:32:03.33Z 0.6 3.1e-9 mB 1.4
BCAR 47.051 36.8 P 2025-04-21T18:32:14.79Z 0.4
OGILY 48.125 33.36 P 2025-04-21T18:32:22.7Z -0.6 5.900000000000001e-9 mB 1.7
BORK 48.604 309.76 P 2025-04-21T18:32:26.8Z 0.4
BORK 48.604 309.76 pP 2025-04-21T18:32:26.9Z -11
HYT 49.519 39.13 P 2025-04-21T18:32:34.93Z 1.4 5.4e-9 mB 1.7
KOM 53.405 232.56 P 2025-04-21T18:33:02.73Z 0.4 2.18e-8 mB 2.3
ARTI 53.927 316.84 P 2025-04-21T18:33:05.9Z -0.4
ARTI 53.927 316.84 pP 2025-04-21T18:33:06.0Z -11.9
JZAX 55.382 295.55 P 2025-04-21T18:33:16.0Z -1
JZAX 55.382 295.55 pP 2025-04-21T18:33:16.1Z -12.5
KUKN 56.006 26.58 P 2025-04-21T18:33:20.98Z -0.3 5e-9 mB 1.7
ABKAR 56.073 308.46 P 2025-04-21T18:33:21.31Z -0.5
ABK31 56.073 308.46 P 2025-04-21T18:33:21.56Z -0.3 1.4e-9 mB 1.1
YKA 58.839 31.96 P 2025-04-21T18:33:41.8Z 0.9
YKA 58.839 31.96 pP 2025-04-21T18:33:41.9Z -10.6
WB10 61.88 189.66 P 2025-04-21T18:34:00.96Z -0.7 1.29e-8 mB 2.1
WRAB 62.049 189.67 P 2025-04-21T18:34:01.98Z -0.8 5.8e-9 mB 1.8
WRA 62.06 189.69 P 2025-04-21T18:34:02.5Z 0.8
WRA 62.06 189.69 pP 2025-04-21T18:34:02.6Z -10.7
ASAR 65.789 189.58 P 2025-04-21T18:34:26.8Z -0.5
KBZ 68.927 310.34 P 2025-04-21T18:34:49.5Z 1.8
KBZ 68.927 310.34 pP 2025-04-21T18:34:49.6Z -10
AKBB 71.386 322.39 P 2025-04-21T18:35:02.2Z -0.6
AKBB 71.386 322.39 pP 2025-04-21T18:35:02.3Z -12.5
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
ERM 0.29 291.31 P 2025-04-21T18:23:54.7Z 0
JKA 2.309 343.2 P 2025-04-21T18:24:25.1Z 0
YSS 5.075 354.11 P 2025-04-21T18:24:59.8Z 0
MAJO 6.759 219.34 P 2025-04-21T18:25:22.2Z 0
VLAR 8.676 281.91 P 2025-04-21T18:25:50.0Z 0
KS31 12.84 254.84 P 2025-04-21T18:26:45.2Z 0
TJN 13.693 251.53 P 2025-04-21T18:26:59.0Z 0
SEY 21.676 10.97 P 2025-04-21T18:28:33.1Z 0
YAK 21.767 342.32 P 2025-04-21T18:28:32.9Z 0
KPC 22.924 300.55 P 2025-04-21T18:28:46.6Z 0
ZAK 28.817 301.01 P 2025-04-21T18:29:40.7Z 0
BILL 28.923 17.58 P 2025-04-21T18:29:43.8Z 0
DGZ 39.03 301.28 P 2025-04-21T18:31:09.7Z 0
ZALV 39.971 308.28 P 2025-04-21T18:31:17.3Z 0
MK31 43.054 298.22 P 2025-04-21T18:31:42.1Z 0
MKAR 43.054 298.22 P 2025-04-21T18:31:42.2Z 0
KURK 44.322 304.64 P 2025-04-21T18:31:52.2Z 0
BORK 48.599 309.72 P 2025-04-21T18:32:26.8Z 0
ARTI 53.907 316.82 P 2025-04-21T18:33:05.9Z 0
JZAX 55.407 295.53 P 2025-04-21T18:33:16.0Z 0
YKA 58.659 31.9 P 2025-04-21T18:33:41.8Z 0
WRA 61.987 189.76 P 2025-04-21T18:34:02.5Z 0
KBZ 68.921 310.36 P 2025-04-21T18:34:49.5Z 0
AKBB 71.355 322.41 P 2025-04-21T18:35:02.2Z 0
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2
ERM 0.312 318.56 Pn 2025-04-21T18:23:54.65Z -0.17
ERM 0.312 318.56 Sn 2025-04-21T18:24:00.78Z 0.32
JTM 2.041 241.76 Pn 2025-04-21T18:24:19.1Z 0.63
JTM 2.041 241.76 Sn 2025-04-21T18:24:42.96Z 0.25
YSS 5.197 354.9 Pn 2025-04-21T18:25:02.22Z 0.4
MAJO 6.619 219.56 Pn 2025-04-21T18:25:21.51Z 0.11
MJAR 6.62 219.51 Pn 2025-04-21T18:25:21.75Z 0.34
JGF 7.784 219.59 Pn 2025-04-21T18:25:37.85Z 0.45
INU 8.145 220.07 Pn 2025-04-21T18:25:42.52Z 0.23
SONM 26.764 295.79 P 2025-04-21T18:29:22.18Z -0.86 1.9e-9 1.24 mb 3.57
F15K 37.287 32.44 P 2025-04-21T18:30:55.53Z 0.57 5.65e-9 1.44 mb 4.24
ZAA0B 40.001 308.39 P 2025-04-21T18:31:17.59Z -0.18 2.3e-9 0.85 mb 3.98
ZALV 40.001 308.39 P 2025-04-21T18:31:17.59Z -0.18
G19K 40.409 32.64 P 2025-04-21T18:31:20.78Z -0.35 3e-9 1.32 mb 3.89
J20K 41.5 35.77 P 2025-04-21T18:31:31.2Z 0.91 2.45e-9 1.12 mb 3.84
IMAR 41.749 33.06 P 2025-04-21T18:31:33.7Z 0.92
D22K 42.387 28.79 P 2025-04-21T18:31:37.94Z 0.57 3e-9 1.32 mb 3.86
H22K 42.716 33.25 P 2025-04-21T18:31:40.29Z 0.23 1.2e-9 1.08 mb 3.55
MKAR 43.059 298.32 P 2025-04-21T18:31:41.79Z -1.14
SSN 43.119 39.76 P 2025-04-21T18:31:43.58Z 0.11 1.84e-8 1.28 mb 4.66
C23K 43.202 27.48 P 2025-04-21T18:31:42.43Z -1.49 4.25e-9 1.4 mb 3.99
MAKZ 43.261 298.43 P 2025-04-21T18:31:42.74Z -1.82 2.1e-9 1 mb 3.84
G23K 43.274 32.06 P 2025-04-21T18:31:43.24Z -1.37 2.2e-9 1.08 mb 3.82
NEA2 43.701 35.14 P 2025-04-21T18:31:48.35Z 0.34 6.2e-9 1.4 mb 4.18
E24K 43.885 30.09 P 2025-04-21T18:31:49.99Z 0.45 3.5e-9 1.48 mb 3.92
KURK 44.343 304.73 P 2025-04-21T18:31:52.65Z -0.53 2.65e-9 0.9 mb 4.06
D25K 44.664 28.31 P 2025-04-21T18:31:54.5Z -1.26 1.55e-9 0.88 mb 3.86
PPD 45.142 33.69 P 2025-04-21T18:31:59.1Z -0.68 4.85e-9 1.28 mb 4.24
BMAR 45.385 30.96 P 2025-04-21T18:32:00.24Z -1.26
C27K 45.596 27.85 P 2025-04-21T18:32:03.33Z 0.23 3.1e-9 1.44 mb 4.01
BCAR 47.071 36.78 P 2025-04-21T18:32:14.79Z 0
OGILY 48.146 33.35 P 2025-04-21T18:32:22.7Z -1.02 5.85e-9 1.46 mb 4.4
HYT 49.538 39.11 P 2025-04-21T18:32:34.93Z 1.03 5.4e-9 0.88 mb 4.59
KOM 53.393 232.59 P 2025-04-21T18:33:02.73Z 0.26 2.18e-8 1.5 mb 4.93
KUKN 56.03 26.57 P 2025-04-21T18:33:20.98Z -0.68 5.05e-9 1.32 mb 4.38
ABKAR 56.101 308.48 P 2025-04-21T18:33:21.31Z -0.96
ABK31 56.101 308.48 P 2025-04-21T18:33:21.56Z -0.7 1.4e-9 0.85 mb 4.02
WB10 61.85 189.68 P 2025-04-21T18:34:00.96Z -0.71 1.29e-8 1.35 mb 4.88
WRAB 62.018 189.69 P 2025-04-21T18:34:01.98Z -0.82 5.75e-9 1.15 mb 4.6
ASAR 65.758 189.6 P 2025-04-21T18:34:26.8Z -0.58
Sta Dist EvAz Phase Datetime Tres Azim AzRes Slow SRes Def SNR Amp Per Mag1 Mag2

Moment tensors

Centroid Nodal Plan 1 Nodal Plan 2 Tensor Moment Inf.
Auth Datetime Lat Lon Depth Mw Strike Dip Rake Strike Dip Rake Mrr Mtt Mpp Mrt Mrp Mtp %DC %ISO %CLVD
Auth Datetime UTC lat lon Depth Mw Strike Dip Rake Strike Dip Rake Mrr Mtt Mpp Mrt Mrp Mtp %DC %ISO %CLVD