Station US GWDE - Greenwood, Delaware, USA
Network: US - United States National Seismic Network
Nearby stations (2 deg radius)
Station | Name | (Lat, Lon) | Start / End | Elevation |
GWDE | Greenwood, Delaware, USA | (38.83, -75.62) | 1995-09-07 / 2001-05-11 | 19 m |
Crust2 Type: | T7,Margin /shield transition, 3.5 km seds. |
Thickness Estimate: | 46 km |
Thickness StdDev: | 2.8 km |
Vp/Vs Estimate: | 1.68 |
Vp/Vs StdDev: | 0.03 |
Vs Estimate: | 3.743 km/s |
Poisson's Ratio: | 0.23 |
Peak Value: | 0.11 |
Assumed Vp: | 6.287 km/s |
Ps Weight: | 0.33333334 |
PpPs Weight: | 0.33333334 |
PsPs Weight: | 0.33333328 |
Residual Complexity: | 0.547 |
Nearby stations H: | +- |
(2.0 deg) Vp/Vs: | +- |
1 with match > 90% ( 20.0 %) and 4 with match > 80% ( 80.0 %) out of 5.
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 | 46 km | 1.68 | 6.287 km/s | 3.743 km/s | 0.23 | |
Crust2.0 | 32 km | 1.79 | 6.287 km/s | 3.506 km/s | 0.27 | T7,Margin /shield transition, 3.5 km seds. |
Global Maxima | 46 km | 1.68 | 6.287 km/s | 3.743 km/s | 0.23 | amp=0.105993204 |
Local Maxima 1 | 46 km | 1.60 | 6.287 km/s | 3.924 km/s | 0.18 | amp=0.045508187 |
Local Maxima 2 | 33 km | 1.97 | 6.287 km/s | 3.2 km/s | 0.33 | amp=0.042287067 |
Local Maxima 3 | 54 km | 1.60 | 6.287 km/s | 3.93 km/s | 0.18 | amp=0.03271031 |
Local Maxima 4 | 49 km | 1.60 | 6.287 km/s | 3.93 km/s | 0.18 | amp=0.029695041 |
Predicted Arrivals for vertical incidence (zero ray parameter) | |
Ps | 4.92 SECOND |
PpPs | 19.39 SECOND |
PsPs/PpSs | 24.31 SECOND |
Events Processed for this Station
Download zip of receiver functions as SAC
Plot maxima for each earthquake.
Events Used in the Stack
(4 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude |
91.06027 | 79.0 deg | 179.331 deg | Off Coast Of Southern Chile | 1999/08/22 09:35:39 GMT | (-40.5, -74.8) | 33 km | 6.2 MB, 5.8 MS, 6.4 MW, 6.2 MW |
89.469246 | 41.5 deg | 183.439 deg | Peru-Ecuador Border Region | 1995/10/03 12:45:00 GMT | (-2.8, -77.9) | 33 km | 6.0 MB, 6.1 MS, 5.9 UNKNOWN, 6.4 MW |
86.25632 | 40.0 deg | 183.008 deg | Ecuador | 1999/08/28 12:40:06 GMT | (-1.3, -77.5) | 196 km | 5.9 MB, 6.3 MW, 6.2 MW |
85.28964 | 30.6 deg | 196.736 deg | Costa Rica | 1999/08/20 10:02:21 GMT | (9.0, -84.2) | 20 km | 6.1 MB, 6.9 MS, 7.0 MW, 6.1 ML |
Losers
(1 events)Radial Match | Distance | Baz | FERegion | Time | Lat/Lon | Depth | Magnitude | Reason |
63.515957 | 80.4 deg | 332.867 deg | Sea Of Okhotsk | 1996/08/30 21:13:41 GMT | (52.3, 151.5) | 580 km | 5.5 UNKNOWN, 5.1 MB, 5.4 MW |