Station PO ALFO - ALFRED, ON

Network: PO - Portable Observatories for Lithospheric Analysis and Research Investigating Seis

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
ALFO ALFRED, ON (45.63, -74.88) 2009-05-29 / 2599-12-31 0.0 m
Crust2 Type:Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Thickness Estimate:37 km
Thickness StdDev:3.9 km
Vp/Vs Estimate:1.80
Vp/Vs StdDev:0.09
Vs Estimate:3.566 km/s
Poisson's Ratio:0.28
Peak Value:0.03
Assumed Vp:6.419 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.598
Nearby stations H:38 km +- 0.7 km
(2.0 deg) Vp/Vs:1.78 +- 0.02

7 with match > 90% ( 14.0 %) and 15 with match > 80% ( 30.0 %) out of 50.

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 37 km 1.80 6.419 km/s 3.566 km/s 0.28
Crust2.0 39 km 1.75 6.419 km/s 3.659 km/s 0.26 Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Global Maxima 37 km 1.80 6.419 km/s 3.566 km/s 0.28 amp=0.025490833
Local Maxima 1 30 km 1.97 6.419 km/s 3.258 km/s 0.33 amp=0.018172849
Local Maxima 2 48 km 1.61 6.419 km/s 4.0 km/s 0.18 amp=0.0075258967
Local Maxima 3 40 km 1.72 6.419 km/s 3.738 km/s 0.24 amp=0.0068612737
Local Maxima 4 33 km 1.96 6.419 km/s 3.271 km/s 0.32 amp=0.0067621097
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.58 SECOND
PpPs16.03 SECOND
PsPs/PpSs20.61 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

(15 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.48925 71.9 deg 333.1 deg Sea Of Okhotsk 2013/05/24 05:44:48 GMT (54.9, 153.2) 598 km 8.4 MW, 7.5 MB, 8.3 MW
97.411934 96.9 deg 37.488 deg Southern Iran 2013/04/16 10:44:20 GMT (28.0, 62.0) 80 km 7.7 MW, 7.0 MB, 7.7 MW
96.57573 61.2 deg 179.59 deg Near Coast Of Peru 2013/09/25 16:42:43 GMT (-15.8, -74.5) 40 km 7.1 MWW, 6.8 MI, 7.0 MWB, 7.0 MWC, 7.1 MWW, 7.1 MWC
96.11053 39.8 deg 185.157 deg South Of Panama 2013/08/13 15:43:15 GMT (5.8, -78.2) 12 km 6.7 MWW, 6.6 MWB, 6.7 MWW, 6.7 MWC, 6.7 MI
95.643814 80.1 deg 329.721 deg Kuril Islands 2013/04/19 03:05:52 GMT (46.2, 150.8) 110 km 7.2 MW, 7.1 MB, 7.2 MW
91.0798 61.5 deg 315.623 deg Andreanof Islands, Aleutian Is. 2013/08/30 16:25:02 GMT (51.5, -175.2) 29 km 7.0 MWW, 6.5 ML, 6.8 MI, 6.9 MWC, 6.9 MWB, 7.0 MWW, 7.0 MI, 7.0 MWC
90.47736 74.7 deg 332.538 deg Sea Of Okhotsk 2013/05/24 14:56:31 GMT (52.2, 151.4) 624 km 6.7 MW, 6.7 MB, 6.7 MW
89.75876 70.7 deg 58.853 deg Crete, Greece 2013/10/12 13:11:53 GMT (35.5, 23.3) 40 km 6.6 MWW, 6.5 MWB, 6.6 MWW, 6.7 MWC
89.688805 35.3 deg 223.673 deg Near Coast Of Guerrero, Mexico 2013/08/21 12:38:29 GMT (16.9, -99.5) 21 km 6.2 MWW, 6.2 MWW, 6.2 MWB, 6.2 MWC
88.62461 90.2 deg 329.424 deg Off East Coast Of Honshu, Japan 2013/10/25 17:10:19 GMT (37.2, 144.7) 35 km 7.1 MWW, 7.1 MWW, 7.1 MWB, 7.1 MWC, 7.2 MWC, 7.5 MI
86.30729 37.7 deg 84.156 deg Azores Islands Region 2013/04/30 06:25:23 GMT (37.6, -24.9) 10 km 5.8 MW, 5.9 MW, 5.9 MB
84.775856 35.6 deg 228.513 deg Michoacan, Mexico 2013/04/22 01:16:32 GMT (18.1, -102.2) 30 km 6.0 MW, 5.6 MB, 5.9 MS, 5.9 MW
82.22397 34.2 deg 210.711 deg Near Coast Of Chiapas, Mexico 2013/09/07 00:13:29 GMT (14.6, -92.1) 66 km 6.4 MWW, 6.4 MWB, 6.4 MWC, 6.4 MWW, 6.5 MWC
82.01873 39.3 deg 130.996 deg Northern Mid-Atlantic Ridge 2013/09/05 04:01:36 GMT (15.2, -45.2) 10 km 6.0 MWW, 5.9 MWB, 6.0 MWW, 6.0 MWC
80.97285 35.0 deg 208.811 deg Near Coast Of Guatemala 2013/05/12 07:29:59 GMT (13.5, -91.4) 11 km 5.5 MS, 5.2 MB, 5.8 MW, 5.6 MW

Losers

(35 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
76.555405 36.2 deg 198.889 deg Off Coast Of Costa Rica 2013/09/05 12:29:15 GMT (10.6, -86.1) 19 km 5.9 MWW, 5.7 MWB, 5.9 MWW, 5.9 MWC
74.09152 36.2 deg 158.802 deg Near Coast Of Venezuela 2013/10/12 02:10:27 GMT (10.9, -62.3) 63 km 6.0 MWW, 6.0 MWW, 6.0 MWB, 6.0 MWC, 6.0 MI
71.62757 73.5 deg 332.356 deg Sea Of Okhotsk 2013/10/01 03:38:21 GMT (53.2, 152.8) 573 km 6.7 MWW, 6.7 MWC, 6.8 MWC, 6.8 MWB
69.403984 71.5 deg 328.103 deg Off East Coast Of Kamchatka 2013/05/21 03:08:17 GMT (52.5, 160.1) 7.6 km 5.8 MW, 5.6 MB, 5.7 MW, 5.8 MS
68.89142 74.4 deg 327.852 deg East Of Kuril Islands 2013/04/19 19:58:40 GMT (50.0, 157.7) 15 km 6.1 MW, 5.9 MB, 6.0 MW, 6.1 MS
68.84851 36.7 deg 192.873 deg Panama-Costa Rica Border Region 2013/05/27 09:41:14 GMT (9.4, -82.6) 9.2 km 5.7 MW, 5.6 MB, 5.7 MW
68.73384 51.2 deg 189.014 deg Near Coast Of Northern Peru 2013/08/12 09:49:32 GMT (-5.4, -81.9) 10 km 6.2 MWW, 6.1 MWB, 6.2 MWW, 6.2 MWC, 6.3 MWC
67.82109 67.8 deg 173.707 deg Northern Chile 2013/08/23 08:34:06 GMT (-22.3, -68.6) 111 km 5.8 MWW, 5.7 MWD, 5.8 MWW, 5.8 MWB, 5.8 MWC
64.32325 61.5 deg 315.228 deg Andreanof Islands, Aleutian Is. 2013/08/31 06:38:36 GMT (51.2, -174.9) 18 km 6.0 MWW, 5.5 ML, 5.9 MWB, 5.9 MWC, 6.0 MWC, 6.0 MI, 6.0 MWW
64.27663 71.6 deg 328.043 deg Off East Coast Of Kamchatka 2013/05/19 18:44:10 GMT (52.3, 160.1) 18 km 6.1 MW, 5.8 MS, 5.9 MB, 5.9 MW
63.854332 31.7 deg 202.928 deg Honduras 2013/04/10 19:14:01 GMT (15.5, -87.2) 3.5 km 5.5 MW
63.71334 90.3 deg 329.394 deg Off East Coast Of Honshu, Japan 2013/10/25 21:27:34 GMT (37.1, 144.7) 10 km 5.5 MB, 5.8 MWC
63.675007 61.2 deg 315.432 deg Andreanof Islands, Aleutian Is. 2013/09/15 16:21:37 GMT (51.6, -174.7) 24 km 6.1 MWW, 5.7 MI, 5.7 ML, 6.0 MWB, 6.1 MWC, 6.1 MWW
63.609226 61.3 deg 315.49 deg Andreanof Islands, Aleutian Is. 2013/09/04 06:27:03 GMT (51.6, -174.9) 17 km 6.0 MWW, 5.5 ML, 5.9 MWB, 6.0 MWW, 6.1 MWC, 6.1 MI
62.235897 61.2 deg 315.438 deg Andreanof Islands, Aleutian Is. 2013/09/04 02:32:30 GMT (51.6, -174.8) 20 km 6.5 MWW, 5.9 ML, 6.3 MWB, 6.5 MI, 6.5 MWC, 6.5 MWW
62.138756 68.2 deg 56.659 deg Greece 2013/08/07 09:06:52 GMT (38.7, 22.7) 0.1 km 5.5 MW, 5.3 MWR, 5.5 MWC
60.48727 61.2 deg 315.462 deg Andreanof Islands, Aleutian Is. 2013/09/04 06:16:49 GMT (51.6, -174.8) 21 km 5.7 MWW, 5.5 ML, 5.5 MI, 5.7 MWB, 5.7 MWW, 5.8 MWC
58.0618 77.0 deg 215.152 deg Easter Island Region 2013/11/02 15:52:46 GMT (-23.6, -112.6) 10 km 6.0 MWW, 5.9 MWB, 6.0 MWW, 6.0 MWC, 6.1 MWC
57.85403 74.5 deg 328.208 deg Kuril Islands 2013/04/20 13:12:50 GMT (50.1, 157.1) 18 km 6.1 MW, 5.8 MB, 5.9 MS, 6.0 MW
57.078796 89.0 deg 341.233 deg E. Russia-N.E. China Border Reg. 2013/04/05 13:00:02 GMT (42.7, 131.0) 563 km 6.3 MW, 6.2 MB, 6.4 MW
56.996117 62.8 deg 317.071 deg Andreanof Islands, Aleutian Is. 2013/04/21 13:48:29 GMT (51.7, -178.2) 44 km 5.6 MW, 5.7 MW, 5.9 MB
55.659225 34.8 deg 212.599 deg Near Coast Of Chiapas, Mexico 2013/09/26 06:46:03 GMT (14.4, -93.4) 8.8 km 5.5 MWB, 5.7 MWC
55.328575 31.1 deg 65.865 deg Northern Mid-Atlantic Ridge 2013/09/30 08:16:09 GMT (49.5, -28.5) 10 km 5.5 MWC, 5.5 MWC
54.51035 92.9 deg 332.323 deg Near S. Coast Of Honshu, Japan 2013/11/09 22:37:50 GMT (35.9, 140.0) 64 km 5.6 MWW, 5.5 MWR, 5.6 MWW, 5.6 MWB, 5.7 MWC
54.106346 59.2 deg 177.034 deg Central Peru 2013/05/21 23:02:45 GMT (-13.8, -72.3) 92 km 5.8 MW, 5.7 MB, 5.8 MW
53.257107 88.9 deg 339.195 deg Primor'ye, Russia 2013/09/02 02:51:13 GMT (42.2, 133.7) 445 km 5.7 MWW, 5.7 MWW, 5.7 MWB, 5.7 MWC
49.17641 61.2 deg 315.273 deg Andreanof Islands, Aleutian Is. 2013/09/05 05:43:39 GMT (51.5, -174.6) 20 km 5.6 MWW, 5.4 MI, 5.5 MWB, 5.6 MWW, 5.7 MWC, 5.7 ML, 5.8 MWC
47.41324 96.1 deg 41.426 deg Southern Iran 2013/05/12 10:54:48 GMT (26.7, 57.8) 14 km 5.6 MW, 5.5 MW
45.21668 61.6 deg 315.495 deg Andreanof Islands, Aleutian Is. 2013/08/31 06:43:54 GMT (51.4, -175.3) 25 km 5.5 MW, 5.5 MWC, 5.5 MWC
42.983284 79.2 deg 11.18 deg Southwestern Siberia, Russia 2013/06/18 23:02:09 GMT (54.3, 86.2) 9.9 km 5.6 MB
40.581272 88.3 deg 28.121 deg Southeastern Uzbekistan 2013/05/26 06:08:15 GMT (40.0, 67.3) 18 km 5.7 MW, 5.6 MW, 5.9 MS, 6.2 MB
37.476795 75.6 deg 176.998 deg Near Coast Of Central Chile 2013/10/31 23:03:59 GMT (-30.3, -71.5) 27 km 6.6 MWW, 6.4 MWB, 6.5 MWC, 6.6 MWW, 6.6 MI
36.60751 90.1 deg 332.158 deg Near East Coast Of Honshu, Japan 2013/04/17 12:03:31 GMT (38.5, 141.6) 50 km 5.9 MW, 5.7 MB, 6.0 MW
33.305344 61.0 deg 178.289 deg Southern Peru 2013/05/14 23:39:15 GMT (-15.7, -73.3) 105 km 5.5 MW, 5.5 MW, 5.7 MB
17.557898 78.0 deg 175.823 deg Chile-Argentina Border Region 2013/06/19 21:29:11 GMT (-32.7, -70.0) 104 km 5.5 MB