Station CC FLAT - Flattop (PEPRO)

Network: CC - Cascade Chain Volcano Monitoring

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
FLAT Flattop (PEPRO) (46.19, -122.36) 2023-06-28 / 2499-01-01 0.0 m
Crust2 Type:L8,thin continental arc, Cordilleras, 0.5 km seds.
Thickness Estimate:34 km
Thickness StdDev:9.7 km
Vp/Vs Estimate:2.06
Vp/Vs StdDev:0.17
Vs Estimate:3.184 km/s
Poisson's Ratio:0.35
Peak Value:0.02
Assumed Vp:6.566 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.664
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

5 with match > 90% ( 4.9504952 %) and 13 with match > 80% ( 12.871287 %) out of 101.

Download stack as xyz text file.

Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 34 km 2.06 6.566 km/s 3.184 km/s 0.35
Crust2.0 34 km 1.77 6.566 km/s 3.707 km/s 0.27 L8,thin continental arc, Cordilleras, 0.5 km seds.
Global Maxima 34 km 2.06 6.566 km/s 3.184 km/s 0.35 amp=0.01701521
Local Maxima 1 52 km 1.70 6.566 km/s 3.862 km/s 0.24 amp=0.012000985
Local Maxima 2 44 km 2.00 6.566 km/s 3.279 km/s 0.33 amp=0.005839404
Local Maxima 3 64 km 1.67 6.566 km/s 3.932 km/s 0.22 amp=0.0047380915
Local Maxima 4 43 km 1.82 6.566 km/s 3.618 km/s 0.28 amp=0.004139825
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.54 SECOND
PpPs15.97 SECOND
PsPs/PpSs21.52 SECOND

Events Processed for this Station

Download zip of receiver functions as SAC

View Record Section

Plot maxima for each earthquake.

Events Used in the Stack

(13 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
93.151886 70.4 deg 303.861 deg Near West Coast Of Honshu, Japan 2024/01/01 07:10:10 UTC (37.5, 137.2) 0.0 km 7.4 Mi
92.84933 89.5 deg 304.655 deg Taiwan 2024/04/02 23:58:11 UTC (23.8, 121.6) 35 km 7.4 mww
92.13844 82.6 deg 52.241 deg Morocco 2023/09/08 22:11:01 UTC (31.1, -8.4) 19 km 6.8 mww
91.21521 93.9 deg 225.086 deg South Of Kermadec Islands 2023/09/08 09:09:58 UTC (-32.7, -179.3) 90 km 6.6 mww
90.489555 87.6 deg 137.084 deg Near Coast Of Central Chile 2023/10/31 12:33:44 UTC (-28.7, -71.6) 41 km 6.7 mww
89.104195 87.2 deg 245.136 deg Vanuatu Islands 2023/11/22 04:47:31 UTC (-15.0, 168.0) 13 km 6.7 mww
89.06574 80.7 deg 229.386 deg Tonga Islands 2024/05/26 20:47:09 UTC (-19.4, -174.9) 112 km 6.6 mww
86.50479 89.1 deg 304.761 deg Taiwan 2024/04/03 00:35:36 UTC (24.2, 121.7) 10 km 5.7 mb
84.57142 78.0 deg 284.978 deg Mariana Islands 2024/04/05 11:03:16 UTC (19.1, 145.4) 222 km 6.8 mww
83.110176 95.0 deg 267.212 deg Eastern New Guinea Reg., P.N.G. 2023/10/07 08:34:26 UTC (-5.6, 146.1) 53 km 6.7 mww
81.75188 51.6 deg 306.619 deg Kuril Islands 2023/09/01 20:49:54 UTC (50.7, 156.3) 141 km 6.1 Mww
81.646065 40.4 deg 131.684 deg Near Coast Of Chiapas, Mexico 2024/05/12 11:39:14 UTC (14.5, -92.4) 75 km 6.4 mww
80.01864 30.3 deg 146.383 deg Near Coast Of Jalisco, Mexico 2023/09/08 15:53:17 UTC (19.3, -105.1) 5.4 km 5.6 mww

Losers

(88 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
79.594 30.2 deg 145.724 deg Near Coast Of Jalisco, Mexico 2023/09/08 16:37:17 UTC (19.5, -104.9) 45 km 5.7 mww
78.37136 52.9 deg 158.784 deg Central East Pacific Rise 2023/09/09 03:09:49 UTC (-4.7, -105.5) 10 km 5.8 Mww
78.34406 81.6 deg 170.433 deg Southern East Pacific Rise 2024/02/23 01:51:12 UTC (-35.1, -110.8) 2.0 km 6.3 Mww
77.972275 79.3 deg 281.599 deg Mariana Islands 2024/04/02 09:54:09 UTC (15.8, 146.9) 10 km 6.2 mww
77.072075 89.5 deg 304.519 deg Taiwan 2024/04/22 18:26:52 UTC (23.7, 121.7) 9.0 km 6.1 mww
75.816505 73.8 deg 296.526 deg Southeast Of Honshu, Japan 2023/10/06 01:31:17 UTC (30.0, 140.0) 10 km 6.1 mww
75.660835 98.1 deg 290.98 deg Mindanao, Philippines 2023/12/02 16:03:43 UTC (8.4, 126.8) 64 km 6.4 Mww
74.95606 81.4 deg 233.709 deg Fiji Islands Region 2023/10/31 11:10:56 UTC (-17.5, -179.0) 548 km 6.4 mww
74.44099 35.3 deg 300.51 deg Andreanof Islands, Aleutian Is. 2023/10/16 11:35:31 UTC (52.4, -176.9) 187 km 6.4 Mww
73.75744 56.6 deg 121.493 deg Colombia 2023/08/27 21:44:59 UTC (5.3, -76.7) 15 km 5.7 Mww
73.48575 73.9 deg 296.499 deg Southeast Of Honshu, Japan 2023/10/05 01:59:58 UTC (30.0, 139.9) 10 km 6.1 mww
72.75413 89.6 deg 234.013 deg South Of Fiji Islands 2023/09/05 00:55:24 UTC (-23.9, 175.5) 12 km 5.7 Mww
72.725266 93.2 deg 302.081 deg Philippine Islands Region 2023/09/12 11:03:18 UTC (19.3, 121.2) 41 km 6.3 Mww
72.1664 88.2 deg 236.763 deg Vanuatu Islands Region 2023/11/28 07:39:35 UTC (-21.1, 174.1) 10 km 5.8 Mww
70.85437 75.7 deg 295.168 deg Bonin Islands, Japan Region 2024/04/27 08:35:34 UTC (27.8, 139.6) 503 km 6.5 mww
70.27326 44.8 deg 310.405 deg Komandorskiye Ostrova Region 2023/10/26 16:05:11 UTC (56.1, 164.7) 2.4 km 5.9 Mww
66.800674 52.6 deg 158.993 deg Central East Pacific Rise 2023/09/20 14:45:59 UTC (-4.5, -105.8) 10 km 6.0 Mww
65.07581 92.5 deg 225.205 deg Kermadec Islands Region 2024/05/12 18:43:20 UTC (-31.5, -178.5) 23 km 5.8 Mww
63.960957 90.1 deg 241.69 deg Vanuatu Islands 2023/10/29 04:32:08 UTC (-19.4, 168.8) 80 km 6.0 mww
63.80664 88.0 deg 253.153 deg Solomon Islands 2023/10/28 05:31:58 UTC (-10.2, 161.3) 69 km 5.5 mww
63.62777 97.9 deg 290.862 deg Mindanao, Philippines 2023/12/02 18:09:26 UTC (8.4, 127.0) 51 km 6.2 Mww
63.00928 67.5 deg 301.317 deg Near East Coast Of Honshu, Japan 2024/04/04 03:16:31 UTC (37.7, 141.9) 40 km 6.1 Mww
62.206318 66.0 deg 303.417 deg Near East Coast Of Honshu, Japan 2024/04/01 19:24:36 UTC (40.1, 141.7) 73 km 5.9 mww
61.598064 52.0 deg 119.808 deg Panama 2023/08/29 04:59:19 UTC (9.9, -78.4) 10 km 5.5 mww
61.486332 94.4 deg 330.997 deg Qinghai, China 2024/03/07 10:06:30 UTC (33.5, 93.0) 10 km 5.6 Mww
60.914307 83.9 deg 228.11 deg Tonga Islands Region 2023/12/24 02:22:17 UTC (-22.7, -175.7) 49 km 5.3 Mww
60.617992 36.9 deg 132.823 deg Chiapas, Mexico 2023/10/07 05:06:55 UTC (17.1, -95.0) 108 km 5.9 mww
60.37507 88.9 deg 243.821 deg Vanuatu Islands 2024/05/25 22:23:16 UTC (-17.1, 167.9) 29 km 6.3 mww
60.027134 97.1 deg 269.755 deg New Guinea, Papua New Guinea 2023/09/05 15:03:17 UTC (-5.3, 142.9) 52 km 5.8 mww
59.932243 89.4 deg 304.562 deg Taiwan 2024/04/23 00:04:05 UTC (23.8, 121.7) 13 km 5.8 mww
59.38844 96.2 deg 270.469 deg New Guinea, Papua New Guinea 2024/03/23 20:22:07 UTC (-4.1, 143.0) 64 km 7.0 Mi
59.107677 94.0 deg 265.421 deg New Britain Region, P.N.G. 2023/11/14 12:52:25 UTC (-6.1, 148.2) 58 km 5.9 mww
58.291943 84.9 deg 274.49 deg E. Caroline Islands, Micronesia 2023/09/03 21:29:58 UTC (6.8, 148.0) 10 km 5.5 mww
57.859745 89.5 deg 304.585 deg Taiwan 2024/04/22 14:11:22 UTC (23.7, 121.6) 8.0 km 5.8 mww
57.192017 73.8 deg 296.578 deg Southeast Of Honshu, Japan 2023/10/06 05:49:22 UTC (30.1, 140.0) 10 km 5.6 mww
57.02676 76.2 deg 303.567 deg Shikoku, Japan 2024/04/17 14:14:45 UTC (33.2, 132.4) 26 km 6.3 mww
56.257233 89.4 deg 262.841 deg New Ireland Region, P.N.G. 2023/09/29 01:19:37 UTC (-4.6, 153.2) 57 km 5.5 Mww
56.165752 87.0 deg 246.347 deg Vanuatu Islands 2023/09/21 21:11:49 UTC (-14.0, 167.2) 188 km 6.1 mww
53.854385 87.4 deg 128.319 deg Salta Province, Argentina 2023/10/10 00:13:15 UTC (-23.6, -63.7) 538 km 5.6 Mww
53.68199 79.4 deg 229.654 deg Tonga Islands 2024/04/05 20:32:13 UTC (-18.1, -174.3) 119 km 5.6 Mww
53.4362 91.8 deg 263.56 deg New Britain Region, P.N.G. 2024/05/01 23:45:25 UTC (-5.8, 151.0) 29 km 5.9 Mww
53.185284 90.3 deg 264.824 deg New Ireland Region, P.N.G. 2023/11/12 05:54:40 UTC (-3.8, 151.2) 10 km 5.5 Mww
53.16389 97.2 deg 293.697 deg Leyte, Philippines 2024/05/03 10:16:23 UTC (10.9, 125.3) 7.9 km 5.7 Mww
52.823692 72.0 deg 296.124 deg Southeast Of Honshu, Japan 2023/10/04 04:55:47 UTC (31.1, 141.9) 10 km 5.7 mww
51.810463 86.4 deg 247.027 deg Vanuatu Islands 2023/10/28 09:55:28 UTC (-13.1, 167.1) 201 km 5.6 mww
50.98937 96.3 deg 293.615 deg Samar, Philippines 2023/11/02 06:50:26 UTC (11.5, 125.9) 19 km 5.7 Mww
50.434208 82.6 deg 132.27 deg Near Coast Of Northern Chile 2023/12/21 16:21:52 UTC (-21.9, -70.1) 63 km 5.6 mww
50.421364 65.0 deg 303.982 deg Hokkaido, Japan Region 2023/11/19 21:01:31 UTC (41.2, 142.2) 53 km 6.0 Mww
49.80073 85.5 deg 247.534 deg Santa Cruz Islands 2024/05/21 09:50:43 UTC (-12.1, 167.3) 248 km 5.4 Mww
48.98324 90.8 deg 240.577 deg Vanuatu Islands 2023/12/07 12:56:30 UTC (-20.7, 169.2) 48 km 7.1 Mww
48.185318 78.6 deg 229.512 deg Tonga Islands 2023/10/27 03:02:24 UTC (-17.6, -173.8) 35 km 5.6 mb
47.928547 90.2 deg 264.788 deg New Ireland Region, P.N.G. 2023/11/18 03:01:08 UTC (-3.8, 151.3) 10 km 5.5 mww
47.307682 92.8 deg 225.921 deg Kermadec Islands Region 2024/04/25 05:07:36 UTC (-31.3, -179.3) 179 km 5.5 mww
46.73963 34.0 deg 136.727 deg Central Mexico 2023/12/07 20:03:38 UTC (18.4, -98.6) 44 km 5.8 mww
45.178406 78.2 deg 284.855 deg Mariana Islands 2023/11/19 04:01:36 UTC (18.8, 145.3) 598 km 5.9 mww
44.095276 30.9 deg 298.495 deg Fox Islands, Aleutian Islands 2024/05/02 06:58:01 UTC (52.1, -169.5) 16 km 5.5 mww
43.97658 77.7 deg 288.875 deg Volcano Islands, Japan Region 2024/02/12 11:19:36 UTC (22.0, 142.7) 250 km 6.1 mww
43.756874 87.8 deg 330.273 deg Gansu, China 2023/10/24 11:32:13 UTC (39.3, 97.3) 10 km 5.5 mww
42.24894 62.4 deg 74.816 deg Northern Mid-Atlantic Ridge 2024/03/14 21:10:25 UTC (29.8, -42.7) 10 km 6.0 mww
42.07391 81.7 deg 229.951 deg Tonga Islands 2024/03/31 03:01:44 UTC (-19.9, -176.0) 10 km 5.5 Mww
41.1145 31.8 deg 298.796 deg Fox Islands, Aleutian Islands 2024/05/19 09:35:24 UTC (52.2, -170.9) 28 km 6.0 mww
40.593983 90.5 deg 264.907 deg New Ireland Region, P.N.G. 2023/11/13 07:43:32 UTC (-3.9, 151.0) 10 km 5.7 mb
40.162346 84.1 deg 281.651 deg South Of Mariana Islands 2023/10/20 00:04:22 UTC (12.4, 143.3) 22 km 5.7 mww
39.587856 64.6 deg 303.236 deg Off East Coast Of Honshu, Japan 2024/04/06 00:12:17 UTC (40.9, 143.2) 19 km 5.4 Mww
37.76247 81.7 deg 87.935 deg Central Mid-Atlantic Ridge 2023/10/14 08:29:34 UTC (7.5, -36.7) 10 km 5.5 Mww
36.857582 87.8 deg 244.942 deg Vanuatu Islands 2023/09/28 14:40:26 UTC (-15.6, 167.7) 126 km 6.0 mww
35.960766 97.8 deg 299.326 deg Mindoro, Philippines 2023/12/05 08:23:55 UTC (13.9, 120.5) 78 km 5.7 Mww
35.58024 85.7 deg 86.537 deg Central Mid-Atlantic Ridge 2024/02/12 04:11:10 UTC (5.5, -32.8) 10 km 5.5 Mww
34.540882 79.2 deg 281.631 deg Mariana Islands 2024/04/02 22:16:44 UTC (15.9, 146.9) 10 km 5.2 Mww
34.212677 89.6 deg 304.518 deg Taiwan 2024/04/22 20:49:57 UTC (23.7, 121.6) 17 km 5.5 Mww
33.468357 88.3 deg 237.11 deg Vanuatu Islands Region 2024/03/27 01:28:18 UTC (-20.9, 173.8) 10 km 6.7 Mi
33.01214 35.4 deg 327.711 deg Near N. Coast Of Eastern Siberia 2024/05/06 11:11:57 UTC (68.0, -177.6) 9.3 km 5.3 Mww
32.32442 54.5 deg 99.738 deg Virgin Islands 2023/12/09 14:27:22 UTC (18.9, -64.4) 7.0 km 5.7 Ml
31.987316 90.6 deg 226.61 deg Kermadec Islands, New Zealand 2024/05/17 20:58:27 UTC (-29.1, -178.5) 196 km 5.8 Mww
31.958496 47.5 deg 4.634 deg North Of Svalbard 2024/05/19 02:31:21 UTC (85.2, 12.1) 10 km 5.4 mww
31.31972 87.0 deg 254.785 deg Solomon Islands 2023/11/07 07:47:09 UTC (-8.3, 160.8) 39 km 5.5 mww
30.880877 88.3 deg 284.043 deg W. Caroline Islands, Micronesia 2024/02/14 11:40:21 UTC (11.0, 138.6) 10 km 6.0 mww
30.797379 91.6 deg 86.938 deg Central Mid-Atlantic Ridge 2023/11/21 05:10:26 UTC (1.0, -29.0) 10 km 5.5 Mww
29.855556 38.0 deg 236.26 deg Hawaii 2023/12/05 03:53:46 UTC (19.3, -155.2) 2.1 km 5.1 Ml
29.798695 70.3 deg 303.844 deg Near West Coast Of Honshu, Japan 2024/01/01 07:06:05 UTC (37.5, 137.2) 10 km 5.5 mww
29.214054 55.7 deg 17.196 deg Norwegian Sea 2023/12/13 20:20:10 UTC (72.6, 3.5) 10 km 5.5 mww
28.195045 82.3 deg 280.518 deg South Of Mariana Islands 2024/04/16 14:58:56 UTC (12.9, 145.4) 18 km 5.4 mww
27.588367 87.3 deg 245.015 deg Vanuatu Islands 2024/05/08 08:17:15 UTC (-15.1, 168.0) 12 km 6.1 mww
26.884554 41.3 deg 130.874 deg Near Coast Of Guatemala 2023/12/14 17:55:01 UTC (14.0, -91.4) 78 km 5.4 Mww
26.301487 52.2 deg 101.869 deg Mona Passage 2024/05/15 00:30:11 UTC (19.3, -67.4) 7.0 km 4.8 Mww
24.34513 78.3 deg 284.807 deg Mariana Islands 2023/11/07 18:15:34 UTC (18.8, 145.3) 623 km 5.6 mww
23.761148 79.3 deg 301.403 deg Southeast Of Ryukyu Islands 2024/04/15 22:38:57 UTC (29.5, 131.7) 8.0 km 5.9 mww
17.60651 89.0 deg 304.639 deg Taiwan 2024/05/10 07:45:18 UTC (24.2, 121.9) 11 km 5.8 mww