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)
Ps3.72 SECOND
PpPs13.62 SECOND
PsPs/PpSs17.35 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

(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