Station GE NAI - IRIS/GEOFON Station Nairobi, Kenya

Network: GE - GEOFON

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
NAI IRIS/GEOFON Station Nairobi, Kenya (-1.27, 36.80) 1995-01-05 / 1995-09-18 1692 m
Crust2 Type:X5,thick Rift 0.25 km sediments
Thickness Estimate:42 km
Thickness StdDev:4.5 km
Vp/Vs Estimate:1.82
Vp/Vs StdDev:0.10
Vs Estimate:3.622 km/s
Poisson's Ratio:0.28
Peak Value:0.04
Assumed Vp:6.601 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.647
Nearby stations H:42 km +- 0.7 km
(2.0 deg) Vp/Vs:1.82 +- 0.01

8 with match > 90% ( 44.444443 %) and 14 with match > 80% ( 77.77778 %) out of 18.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 42 km 1.82 6.601 km/s 3.622 km/s 0.28
Crust2.0 38 km 1.77 6.601 km/s 3.729 km/s 0.27 X5,thick Rift 0.25 km sediments
Global Maxima 42 km 1.82 6.601 km/s 3.622 km/s 0.28 amp=0.03864929
Local Maxima 1 30 km 2.10 6.601 km/s 3.147 km/s 0.35 amp=0.03171634
Local Maxima 2 27 km 1.62 6.601 km/s 4.074 km/s 0.19 amp=0.017257515
Local Maxima 3 51 km 1.94 6.601 km/s 3.402 km/s 0.32 amp=0.016325038
Local Maxima 4 36 km 1.98 6.601 km/s 3.329 km/s 0.33 amp=0.014039112
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps5.30 SECOND
PpPs18.17 SECOND
PsPs/PpSs23.47 SECOND

Events Processed for this Station

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Plot maxima for each earthquake.

Events Used in the Stack

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
96.582985 88.8 deg 77.427 deg Samar, Philippines 1995/05/05 03:53:47 GMT (12.6, 125.3) 33 km 6.2 MB, 7.0 MS, 7.1 UNKNOWN, 7.0 MW
96.5206 62.3 deg 60.899 deg Myanmar-India Border Region 1995/05/06 01:59:07 GMT (25.0, 95.3) 122 km 6.4 MB, 6.5 UNKNOWN, 6.4 MW
94.855896 89.2 deg 78.056 deg Samar, Philippines 1995/04/21 00:09:56 GMT (12.0, 125.7) 33 km 6.1 MB, 6.9 MS, 6.9 UNKNOWN, 6.8 MW
94.82453 63.4 deg 203.731 deg Southern Mid-Atlantic Ridge 1995/05/23 22:10:11 GMT (-56.1, -3.2) 10 km 5.3 MB, 6.6 MS, 6.8 UNKNOWN, 6.7 MW
94.32168 90.2 deg 83.756 deg Mindanao, Philippines 1995/04/20 08:45:10 GMT (6.3, 126.8) 85 km 6.2 MB, 6.6 UNKNOWN, 6.5 MW
94.22502 88.1 deg 98.305 deg Timor Region 1995/05/14 11:33:21 GMT (-8.4, 125.1) 33 km 6.1 MB, 6.9 MS, 7.1 UNKNOWN, 6.9 MW
94.07957 58.8 deg 269.663 deg Central Mid-Atlantic Ridge 1995/05/18 00:06:26 GMT (-0.9, -22.0) 10 km 6.2 MB, 6.1 MS, 6.8 UNKNOWN, 6.7 MW
90.450455 91.7 deg 88.192 deg Halmahera, Indonesia 1995/05/04 02:18:51 GMT (1.9, 128.5) 55 km 6.0 MB, 6.0 MS, 6.1 UNKNOWN, 6.1 MW
87.156136 43.5 deg 106.922 deg South Indian Ocean 1995/07/27 05:51:17 GMT (-12.6, 79.2) 10 km 6.2 MB, 5.9 MS, 6.0 UNKNOWN, 6.0 MW
85.689705 49.1 deg 36.674 deg Hindu Kush Region, Afghanistan 1995/05/16 03:35:03 GMT (36.5, 70.9) 190 km 5.7 MB, 5.9 UNKNOWN, 5.8 MW
84.4529 78.6 deg 304.689 deg Northern Mid-Atlantic Ridge 1995/04/17 07:14:35 GMT (33.8, -38.6) 10 km 5.8 MB, 5.8 MS, 5.9 UNKNOWN, 6.1 MW
83.892815 49.3 deg 36.879 deg Afghanistan-Tajikistan Bord Reg. 1995/08/17 23:14:19 GMT (36.5, 71.2) 239 km 5.7 UNKNOWN, 5.4 MB, 5.6 MW
82.96096 89.4 deg 78.491 deg Samar, Philippines 1995/05/08 18:08:09 GMT (11.6, 125.9) 33 km 5.6 MB, 6.2 MS, 6.3 UNKNOWN, 6.3 MW
82.674095 72.1 deg 95.036 deg Java Sea 1995/05/13 21:00:54 GMT (-5.2, 108.9) 554 km 5.7 MB, 5.9 UNKNOWN, 5.8 MW

Losers

(4 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
96.064766 88.7 deg 77.41 deg Samar, Philippines 1995/05/05 04:39:13 GMT (12.6, 125.2) 55 km 5.6 MB, 6.5 UNKNOWN
89.25195 63.4 deg 41.358 deg Southern Xinjiang, China 1995/08/17 00:59:57 GMT (41.6, 88.8) 0.0 km 6.0 MB
59.847595 63.5 deg 41.297 deg Southern Xinjiang, China 1995/05/15 04:05:58 GMT (41.7, 88.8) 0.0 km 6.1 MB
41.00347 97.5 deg 92.992 deg Irian Jaya Region, Indonesia 1995/03/13 10:31:50 GMT (-2.8, 134.3) 33 km 5.5 MB, 5.7 MS, 5.6 UNKNOWN, 6.1 MW