Station IU NAI - Nairobi, Kenya
Network: IU - Global Seismograph Network (GSN - IRIS/USGS)
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
NAI | 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: | 43 km |
Thickness StdDev: | 5.6 km |
Vp/Vs Estimate: | 1.81 |
Vp/Vs StdDev: | 0.12 |
Vs Estimate: | 3.647 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: | 0.683 |
Nearby stations H: | 43 km +- 1.0 km |
(2.0 deg) Vp/Vs: | 1.81 +- 0.01 |
8 with match > 90% ( 36.363636 %) and 18 with match > 80% ( 81.818184 %) out of 22.
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Azimuth Distribution of Events:
Prior Results for this Station
Study | Thickness | Vp/Vs | Vp | Vs | Poissons Ratio | Extra |
EARS | 43 km | 1.81 | 6.601 km/s | 3.647 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 | 43 km | 1.81 | 6.601 km/s | 3.647 km/s | 0.28 | amp=0.04444263 |
Local Maxima 1 | 30 km | 2.09 | 6.601 km/s | 3.158 km/s | 0.35 | amp=0.039772265 |
Local Maxima 2 | 36 km | 2.00 | 6.601 km/s | 3.304 km/s | 0.33 | amp=0.021515675 |
Local Maxima 3 | 27 km | 1.64 | 6.601 km/s | 4.025 km/s | 0.20 | amp=0.019784171 |
Local Maxima 4 | 51 km | 1.93 | 6.601 km/s | 3.411 km/s | 0.32 | amp=0.018343525 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 5.25 SECOND |
PpPs | 18.20 SECOND |
PsPs/PpSs | 23.45 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(18 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 |
94.82455 | 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 |
94.321686 | 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 |
94.07956 | 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 |
89.27652 | 81.5 deg | 87.136 deg | Celebes Sea | 1995/03/06 18:43:42 GMT | (2.7, 118.2) | 33 km | 5.5 MB, 5.8 MS, 6.3 UNKNOWN, 6.1 MW |
87.15613 | 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 |
85.1947 | 90.2 deg | 87.491 deg | Northern Molucca Sea | 1995/01/21 07:30:23 GMT | (2.5, 126.9) | 47 km | 6.1 MB, 6.1 MS |
84.78078 | 90.6 deg | 91.388 deg | Halmahera, Indonesia | 1995/02/13 12:29:55 GMT | (-1.4, 127.4) | 33 km | 5.8 MB, 6.0 MS, 6.1 UNKNOWN, 5.9 MW |
84.45288 | 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 |
81.00485 | 89.5 deg | 84.817 deg | Mindanao, Philippines | 1995/02/19 00:17:48 GMT | (5.2, 126.2) | 104 km | 5.9 MB, 6.1 UNKNOWN, 6.1 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 | |
41.003437 | 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 |