Station IU KOWA - Kowa, Mali

Network: IU - Global Seismograph Network (GSN - IRIS/USGS)

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
KOWA Kowa, Mali (14.50, -4.01) 1998-03-08 / 2599-12-31 321 m
KOWA Kowa, Mali (14.50, -4.01) 2011-05-27 / 2599-12-31 321 m
Crust2 Type:G3,Archean 2.0 km seds.
Thickness Estimate:28 km
Thickness StdDev:1.0 km
Vp/Vs Estimate:1.96
Vp/Vs StdDev:0.06
Vs Estimate:3.215 km/s
Poisson's Ratio:0.32
Peak Value:0.04
Assumed Vp:6.31 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.500
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

4 with match > 90% ( 50.0 %) and 5 with match > 80% ( 62.5 %) out of 8.

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 28 km 1.96 6.31 km/s 3.215 km/s 0.32
Crust2.0 41 km 1.77 6.31 km/s 3.568 km/s 0.26 G3,Archean 2.0 km seds.
Global Maxima 28 km 1.96 6.31 km/s 3.215 km/s 0.32 amp=0.042831514
Local Maxima 1 29 km 1.93 6.31 km/s 3.274 km/s 0.32 amp=0.021497454
Local Maxima 2 29 km 2.10 6.31 km/s 3.012 km/s 0.35 amp=0.014157422
Local Maxima 3 42 km 1.73 6.31 km/s 3.653 km/s 0.25 amp=0.013042082
Local Maxima 4 26 km 2.09 6.31 km/s 3.015 km/s 0.35 amp=0.011053228
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps4.19 SECOND
PpPs12.91 SECOND
PsPs/PpSs17.11 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

(5 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
97.40414 74.5 deg 247.885 deg Near Coast Of Peru 1999/04/03 06:17:18 GMT (-16.7, -72.7) 87 km 6.1 MB, 6.2 MS, 6.8 MW, 6.8 MW
96.43893 89.9 deg 286.908 deg Near Coast Of Guerrero, Mexico 2012/03/20 18:02:47 GMT (16.5, -98.2) 20 km 6.6 MB, 7.6 MS, 7.4 MW, 7.4 MW
93.078255 85.3 deg 226.455 deg Off Coast Of Southern Chile 1998/04/01 22:42:56 GMT (-40.3, -74.9) 9.0 km 6.2 MB, 6.0 MS, 6.7 UNKNOWN, 6.6 ME
91.7169 41.0 deg 290.629 deg Northern Mid-Atlantic Ridge 1999/04/06 04:51:05 GMT (24.5, -46.4) 10 km 5.6 MS, 5.3 MB, 5.9 MW, 5.8 MW
82.312126 32.9 deg 19.969 deg Northern Italy 2012/05/29 07:00:03 GMT (44.9, 11.1) 10 km 5.9 MB, 5.8 MS, 5.8 MW, 5.8 MW

Losers

(3 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
74.443695 71.4 deg 233.165 deg Santiago Del Estero Prov., Arg. 2012/03/05 07:46:10 GMT (-28.2, -63.3) 554 km 6.0 MB, 6.1 MW, 6.1 MW
72.62606 31.7 deg 41.245 deg Southern Greece 2012/04/16 11:23:43 GMT (36.6, 21.5) 29 km 5.8 MW, 5.7 MW
68.934845 92.1 deg 289.318 deg Guerrero, Mexico 2012/05/01 16:37:58 GMT (18.3, -101.1) 51 km 5.7 MW, 5.5 MB, 5.7 MW