Station US HRV - Harvard--Oak Ridge, Massachusetts, USA

Network: US - United States National Seismic Network

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
HRV Harvard--Oak Ridge, Massachusetts, USA (42.51, -71.56) 1992-02-04 / 2499-01-01 180 m
Crust2 Type:Q2,orogen/39km no ice, Appalachians, North Andes, 0.5 km seds.
Thickness Estimate:31 km
Thickness StdDev:2.5 km
Vp/Vs Estimate:1.65
Vp/Vs StdDev:0.04
Vs Estimate:3.89 km/s
Poisson's Ratio:0.21
Peak Value:0.02
Assumed Vp:6.419 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.270
Nearby stations H:31 km +- 0.0 km
(2.0 deg) Vp/Vs:1.66 +- 0.02

10 with match > 90% ( 71.42857 %) and 14 with match > 80% ( 100.0 %) out of 14.

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Azimuth Distribution of Events:

Prior Results for this Station

Study Thickness Vp/Vs Vp Vs Poissons Ratio Extra
EARS 31 km 1.65 6.419 km/s 3.89 km/s 0.21
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.
MOMA 29 km 1.80 6.6 km/s 3.667 km/s 0.28
MOMA 30 km 1.73 6.5 km/s 3.757 km/s 0.25
Zandt Ammon 28 km 1.73 6.0 km/s 3.468 km/s 0.25
Zandt Ammon 29 km 1.73 6.25 km/s 3.613 km/s 0.25
Zandt Ammon 30 km 1.72 6.5 km/s 3.779 km/s 0.24
Zandt Ammon 31 km 1.71 6.75 km/s 3.947 km/s 0.24
Global Maxima 31 km 1.65 6.419 km/s 3.89 km/s 0.21 amp=0.021802058
Local Maxima 1 29 km 1.78 6.419 km/s 3.601 km/s 0.27 amp=0.0076137967
Local Maxima 2 33 km 1.60 6.419 km/s 4.012 km/s 0.18 amp=0.005865824
Local Maxima 3 31 km 1.62 6.419 km/s 3.969 km/s 0.19 amp=0.004096145
Local Maxima 4 66 km 1.87 6.419 km/s 3.437 km/s 0.30 amp=0.0017101864
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps3.16 SECOND
PpPs12.90 SECOND
PsPs/PpSs16.07 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

(14 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
98.45809 72.8 deg 180.071 deg Near Coast Of Central Chile 2003/06/20 13:30:41 GMT (-30.6, -71.6) 33 km 6.4 MB, 6.8 MS, 6.8 MW, 6.7 MW
98.40827 90.2 deg 334.294 deg Hokkaido, Japan Region 2003/09/25 19:50:06 GMT (41.8, 143.9) 27 km 6.9 MB, 8.1 MS, 8.3 MW, 8.1 MW
96.72588 49.9 deg 180.212 deg Western Brazil 2003/06/20 06:19:38 GMT (-7.6, -71.7) 558 km 6.4 MB, 7.1 MW, 7.0 MW
95.28108 69.3 deg 321.534 deg Rat Islands, Aleutian Islands 2003/06/23 12:12:34 GMT (51.4, 176.8) 20 km 6.3 MB, 7.0 MS, 6.9 MW, 6.8 MW
95.15178 86.6 deg 339.504 deg Primor'ye, Russia 2003/07/27 06:25:31 GMT (47.2, 139.2) 470 km 6.3 MB, 6.8 MW, 6.8 MW
94.54837 73.0 deg 332.223 deg Kamchatka Peninsula, Russia 2003/06/16 22:08:02 GMT (55.5, 160.0) 175 km 6.3 MB, 6.9 MW, 6.9 MW
92.15356 36.3 deg 239.423 deg Near Coast Of Jalisco, Mexico 2003/01/22 02:06:34 GMT (18.8, -104.1) 24 km 6.5 MB, 7.6 MS, 7.6 MW, 7.4 MW
91.81069 35.5 deg 234.562 deg Near Coast Of Guerrero, Mexico 2004/01/01 23:31:50 GMT (17.5, -101.3) 29 km 5.6 MB, 5.7 MS, 6.0 MW, 6.0 MW
90.71581 38.1 deg 239.67 deg Off Coast Of Jalisco, Mexico 2003/05/19 16:27:10 GMT (17.5, -105.5) 10 km 5.6 MB, 5.8 MS, 6.2 MW, 6.1 MW
90.62238 38.6 deg 276.827 deg Central California 2003/12/22 19:15:56 GMT (35.7, -121.1) 7.6 km 6.1 MB, 6.4 MS, 6.5 MW, 6.4 MW
87.878525 35.4 deg 199.504 deg Panama-Costa Rica Border Region 2003/12/25 07:11:11 GMT (8.4, -82.8) 33 km 6.0 MB, 6.4 MS, 6.5 MW, 6.5 MW
85.2056 93.6 deg 334.686 deg Near East Coast Of Honshu, Japan 2003/05/26 09:24:33 GMT (38.8, 141.6) 68 km 6.7 MB, 7.0 MW, 7.0 MW
81.90824 68.8 deg 320.861 deg Rat Islands, Aleutian Islands 2003/03/17 16:36:17 GMT (51.3, 178.0) 33 km 5.9 MB, 6.7 MS, 7.0 MW, 7.0 MW
81.43692 80.3 deg 330.837 deg Kuril Islands 2003/04/24 10:56:21 GMT (48.8, 155.0) 44 km 5.6 MB, 5.7 MS, 6.1 MW, 6.0 MW

Losers

(0 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason