Station XJ APA - Apacha
Network: XJ98 - Side Edge of Kamchatka Subduction Zone
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
APA | Apacha | (52.93, 157.13) | 1998-06-21 / 1999-12-31 | 145 m |
Crust2 Type: | L8,thin continental arc, Cordilleras, 0.5 km seds. |
Thickness Estimate: | 32 km |
Thickness StdDev: | 0.6 km |
Vp/Vs Estimate: | 1.75 |
Vp/Vs StdDev: | 0.04 |
Vs Estimate: | 3.747 km/s |
Poisson's Ratio: | 0.26 |
Peak Value: | 0.02 |
Assumed Vp: | 6.566 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.491 |
Nearby stations H: | +- |
(2.0 deg) Vp/Vs: | +- |
12 with match > 90% ( 23.076923 %) and 23 with match > 80% ( 44.23077 %) out of 52.
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 | 32 km | 1.75 | 6.566 km/s | 3.747 km/s | 0.26 | |
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 | 32 km | 1.75 | 6.566 km/s | 3.747 km/s | 0.26 | amp=0.019447252 |
Local Maxima 1 | 33 km | 1.81 | 6.566 km/s | 3.633 km/s | 0.28 | amp=0.010265139 |
Local Maxima 2 | 55 km | 1.85 | 6.566 km/s | 3.544 km/s | 0.29 | amp=0.007035245 |
Local Maxima 3 | 36 km | 1.60 | 6.566 km/s | 4.104 km/s | 0.18 | amp=0.005478393 |
Local Maxima 4 | 40 km | 2.10 | 6.566 km/s | 3.13 km/s | 0.35 | amp=0.004386649 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 3.72 SECOND |
PpPs | 13.62 SECOND |
PsPs/PpSs | 17.35 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(23 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
96.801796 | 64.2 deg | 170.147 deg | Santa Cruz Islands | 1998/07/16 11:56:36 GMT | (-11.0, 166.2) | 110 km | 6.4 MB, 6.7 MS, 7.1 UNKNOWN, 6.9 ME |
95.969086 | 57.6 deg | 185.488 deg | New Britain Region, P.N.G. | 1999/05/16 00:51:20 GMT | (-4.8, 152.5) | 74 km | 6.0 MB, 7.0 MS, 7.1 MW, 6.3 ME |
95.91523 | 58.1 deg | 187.341 deg | New Britain Region, P.N.G. | 1999/05/10 20:33:02 GMT | (-5.2, 150.9) | 138 km | 6.5 MB, 6.8 MS, 7.1 MW, 6.5 MB |
94.25381 | 57.5 deg | 201.749 deg | Irian Jaya, Indonesia | 1998/07/29 18:00:29 GMT | (-2.7, 138.9) | 33 km | 5.9 MB, 6.7 MS, 6.6 UNKNOWN, 6.2 ME |
93.39254 | 59.1 deg | 280.735 deg | Western Xizang-India Border Reg. | 1999/03/28 19:05:11 GMT | (30.5, 79.4) | 15 km | 6.4 MB, 6.6 MS, 6.6 MW, 6.5 ME |
93.03813 | 73.2 deg | 169.128 deg | Vanuatu Islands | 1999/04/02 17:05:47 GMT | (-19.9, 168.2) | 10 km | 6.1 MB, 6.0 MS, 6.2 MW, 6.2 MW |
93.018 | 61.1 deg | 217.514 deg | Ceram Sea | 1998/11/29 14:10:31 GMT | (-2.1, 124.9) | 33 km | 6.5 MB, 7.7 MS, 8.1 UNKNOWN, 7.8 MW |
92.20096 | 58.0 deg | 217.592 deg | Northern Molucca Sea | 1998/10/28 16:25:03 GMT | (0.8, 126.0) | 33 km | 6.2 MB, 6.2 MS, 6.6 UNKNOWN, 6.6 MW |
92.04674 | 77.5 deg | 154.885 deg | Fiji Islands Region | 1999/04/13 10:38:48 GMT | (-21.4, -176.5) | 164 km | 6.4 MB, 6.8 MW, 6.8 MW |
90.97574 | 71.6 deg | 168.953 deg | Vanuatu Islands | 1998/07/18 16:41:19 GMT | (-18.4, 168.2) | 33 km | 5.4 MB, 6.0 MS, 6.1 UNKNOWN, 6.1 MW |
90.58083 | 53.5 deg | 218.95 deg | Mindanao, Philippines | 1999/06/18 10:55:25 GMT | (5.5, 126.6) | 33 km | 6.1 MB, 6.1 MS, 6.4 MW, 6.4 MW |
90.08195 | 55.5 deg | 224.157 deg | Celebes Sea | 1999/03/04 08:52:01 GMT | (5.4, 121.9) | 33 km | 6.4 MB, 6.5 MS, 7.1 MW, 7.1 MW |
89.54558 | 57.6 deg | 202.551 deg | Irian Jaya, Indonesia | 1999/05/16 15:25:53 GMT | (-2.6, 138.2) | 59 km | 6.1 MB, 6.2 MS, 6.4 MW, 6.4 ME |
89.353065 | 54.5 deg | 222.152 deg | Mindanao, Philippines | 1999/05/18 19:52:59 GMT | (5.6, 123.9) | 33 km | 5.8 MB, 5.6 MS, 5.8 MW, 5.8 MW |
89.209305 | 66.8 deg | 169.696 deg | Vanuatu Islands | 1998/07/25 02:39:23 GMT | (-13.6, 166.9) | 44 km | 5.9 MB, 6.0 MS, 6.3 UNKNOWN, 6.2 MW |
88.90556 | 74.9 deg | 167.896 deg | Southeast Of Loyalty Islands | 1999/02/22 01:00:32 GMT | (-21.5, 169.7) | 33 km | 5.8 MB, 6.4 MS, 6.5 MW, 6.4 MW |
86.698395 | 77.7 deg | 154.867 deg | Fiji Islands Region | 1998/12/27 00:38:26 GMT | (-21.6, -176.4) | 144 km | 6.1 MB, 6.9 UNKNOWN, 6.6 ME |
85.67795 | 58.0 deg | 185.001 deg | New Britain Region, P.N.G. | 1999/05/17 10:07:56 GMT | (-5.2, 152.9) | 27 km | 5.5 MB, 6.9 MS, 6.7 MW, 6.0 ME |
83.120995 | 73.3 deg | 168.773 deg | Loyalty Islands | 1999/04/12 09:41:16 GMT | (-20.0, 168.6) | 43 km | 5.7 MS, 5.4 MB |
82.82074 | 48.1 deg | 231.645 deg | Luzon, Philippines | 1998/08/23 05:36:12 GMT | (14.7, 120.0) | 70 km | 6.1 MB, 6.1 UNKNOWN, 6.0 MW |
81.92491 | 41.5 deg | 234.05 deg | Taiwan Region | 1998/07/24 18:44:04 GMT | (21.3, 122.0) | 33 km | 5.6 MB, 5.9 MS, 6.2 UNKNOWN, 6.1 MW |
81.882355 | 68.9 deg | 218.156 deg | Savu Sea | 1998/11/08 07:25:48 GMT | (-9.1, 121.4) | 33 km | 6.0 MB, 5.9 MS, 6.4 UNKNOWN, 5.7 ME |
81.78672 | 61.2 deg | 224.143 deg | Minahassa Peninsula, Sulawesi | 1999/02/23 07:27:56 GMT | (0.2, 119.5) | 33 km | 5.6 MB, 5.8 MS |
Losers
(29 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
95.190895 | 57.0 deg | 197.985 deg | Near N Coast Of New Guinea, P.N.G. | 1998/07/17 09:09:31 GMT | (-2.9, 142.1) | 10 km | 5.6 MB | |
93.864586 | 84.5 deg | 66.875 deg | Central Mexico | 1999/06/15 20:42:05 GMT | (18.4, -97.4) | 70 km | 6.4 MB, 6.5 MS, 7.0 MW, 6.7 ME | |
78.84527 | 59.7 deg | 219.93 deg | Minahassa Peninsula, Sulawesi | 1999/06/02 00:23:19 GMT | (0.1, 123.5) | 161 km | 5.8 MB, 5.6 MW | |
78.22869 | 59.4 deg | 182.221 deg | Solomon Islands | 1998/09/05 05:16:17 GMT | (-6.6, 155.2) | 37 km | 5.5 MB, 5.7 MS, 5.8 UNKNOWN, 5.8 MW | |
73.41362 | 69.8 deg | 307.846 deg | Armenia-Azerbaijan-Iran Bord Reg | 1998/07/09 14:19:18 GMT | (38.7, 48.5) | 26 km | 5.9 MB, 6.0 UNKNOWN, 5.7 ME | |
73.26274 | 82.2 deg | 70.071 deg | Guerrero, Mexico | 1999/06/21 17:43:04 GMT | (18.3, -101.5) | 69 km | 6.0 MB, 5.8 MS, 6.3 MW, 5.8 MD | |
67.62795 | 40.8 deg | 198.028 deg | Mariana Islands | 1999/04/23 18:56:26 GMT | (13.1, 145.1) | 52 km | 5.5 MB, 5.5 MS, 5.9 MW, 5.7 MW | |
67.532455 | 77.7 deg | 153.152 deg | Tonga Islands | 1999/01/24 07:01:58 GMT | (-21.1, -174.7) | 33 km | 5.7 MB, 5.9 MS, 6.1 MW, 6.0 MW | |
65.93304 | 59.2 deg | 190.019 deg | New Britain Region, P.N.G. | 1999/04/11 16:50:39 GMT | (-6.0, 148.5) | 58 km | 5.6 MB, 5.7 MS, 6.1 MW, 6.0 MW | |
64.739395 | 75.1 deg | 167.697 deg | Southeast Of Loyalty Islands | 1998/07/31 12:48:04 GMT | (-21.6, 169.9) | 33 km | 5.5 MB, 5.3 MS, 5.8 UNKNOWN | |
62.948765 | 36.0 deg | 54.107 deg | Southeastern Alaska | 1999/05/27 08:08:58 GMT | (58.7, -137.2) | 10 km | 5.5 MB, 5.2 MS, 5.8 MW, 5.4 ML | |
62.89226 | 81.1 deg | 160.925 deg | South Of Fiji Islands | 1999/04/09 12:16:01 GMT | (-26.4, 178.2) | 621 km | 5.5 MB, 6.2 MW, 6.1 MW | |
60.481335 | 75.8 deg | 155.701 deg | Fiji Islands Region | 1999/03/12 11:16:39 GMT | (-20.0, -177.8) | 587 km | 5.6 MW, 5.2 MB | |
60.354145 | 84.9 deg | 159.122 deg | Kermadec Islands, New Zealand | 1998/09/02 18:52:42 GMT | (-29.7, -178.8) | 230 km | 5.5 UNKNOWN, 5.4 MB | |
59.879612 | 91.8 deg | 64.184 deg | Near Coast Of Guatemala | 1999/06/06 07:08:05 GMT | (13.9, -90.8) | 33 km | 5.5 MB, 5.9 MS, 6.3 MW, 5.8 MD | |
59.209442 | 74.3 deg | 152.177 deg | Tonga Islands | 1998/09/01 01:19:37 GMT | (-17.6, -174.8) | 220 km | 5.6 UNKNOWN, 5.3 MB, 5.6 MW | |
58.385685 | 92.6 deg | 165.89 deg | North Island, New Zealand | 1999/05/18 09:19:34 GMT | (-38.7, 175.3) | 282 km | 5.5 MB, 5.7 MW, 5.7 MW | |
57.62191 | 54.1 deg | 273.882 deg | Xizang | 1998/07/20 01:05:58 GMT | (30.1, 88.2) | 33 km | 5.7 UNKNOWN, 5.4 MS, 5.4 MB | |
56.855175 | 89.3 deg | 67.038 deg | Off Coast Of Chiapas, Mexico | 1999/05/05 22:41:30 GMT | (14.4, -94.7) | 33 km | 5.8 MB, 5.5 MS, 6.3 MW, 6.2 MW | |
54.867443 | 60.6 deg | 178.306 deg | Solomon Islands | 1998/11/25 18:05:25 GMT | (-7.9, 158.6) | 48 km | 5.9 MB, 6.0 MS, 6.2 UNKNOWN, 6.2 MW | |
54.413147 | 73.9 deg | 235.649 deg | Sunda Strait, Indonesia | 1999/02/03 06:35:56 GMT | (-6.2, 104.2) | 33 km | 5.6 MB, 5.6 MS, 5.8 MW, 5.7 MW | |
53.06638 | 77.1 deg | 157.736 deg | Fiji Islands Region | 1999/03/06 20:28:53 GMT | (-21.7, -179.5) | 603 km | 5.4 MB, 5.8 MW, 5.7 MW | |
50.410336 | 77.7 deg | 154.972 deg | Fiji Islands Region | 1998/11/15 02:44:12 GMT | (-21.6, -176.5) | 149 km | 5.9 MB, 6.3 UNKNOWN, 6.2 MW | |
49.684338 | 60.0 deg | 291.521 deg | Hindu Kush Region, Afghanistan | 1999/06/21 17:37:27 GMT | (36.4, 70.7) | 230 km | 5.6 MW, 5.4 MB, 5.5 MW | |
49.302753 | 77.3 deg | 152.553 deg | Tonga Islands | 1999/01/26 12:30:49 GMT | (-20.5, -174.2) | 41 km | 5.5 MB, 5.5 MS, 5.9 MW, 5.8 MW | |
48.807583 | 58.8 deg | 187.092 deg | New Britain Region, P.N.G. | 1998/10/14 02:54:04 GMT | (-5.9, 151.0) | 33 km | 5.5 MB, 5.7 MS, 6.0 UNKNOWN, 5.8 MW | |
48.561607 | 59.7 deg | 291.413 deg | Afghanistan-Tajikistan Bord Reg. | 1998/12/11 20:16:24 GMT | (36.5, 71.0) | 223 km | 5.7 UNKNOWN, 5.0 MB, 5.6 MW | |
48.042713 | 65.8 deg | 169.471 deg | Santa Cruz Islands | 1999/02/05 11:39:45 GMT | (-12.6, 167.0) | 213 km | 5.7 MB, 6.0 MW, 5.9 MW | |
47.24578 | 55.5 deg | 223.832 deg | Celebes Sea | 1999/03/05 13:01:10 GMT | (5.3, 122.2) | 33 km | 5.6 MB, 5.1 MS, 5.7 MW, 5.7 MW |