Station YK PSMA - PSMA Santa Maria, Azores, Portugal

Network: YK00 - Coordinated Seismic Experiment in the Azores

Nearby stations (2 deg radius)

Station Name (Lat, Lon) Start / End Elevation
PSMA PSMA Santa Maria, Azores, Portugal (36.99, -25.13) 2000-12-15 / 2002-09-18 0.0 m
Crust2 Type:B0,melt affected o.c. and oceanic plateaus, 0.10 km seds.
Thickness Estimate:18 km
Thickness StdDev:4.5 km
Vp/Vs Estimate:1.60
Vp/Vs StdDev:0.12
Vs Estimate:3.001 km/s
Poisson's Ratio:0.18
Peak Value:0.06
Assumed Vp:4.802 km/s
Ps Weight:0.33333334
PpPs Weight:0.33333334
PsPs Weight:0.33333328
Residual Complexity:0.550
Nearby stations H: +-
(2.0 deg) Vp/Vs: +-

7 with match > 90% ( 38.88889 %) and 12 with match > 80% ( 66.666664 %) out of 18.

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 18 km 1.60 4.802 km/s 3.001 km/s 0.18
Crust2.0 16 km 2.06 4.802 km/s 2.335 km/s 0.35 B0,melt affected o.c. and oceanic plateaus, 0.10 km seds.
Global Maxima 18 km 1.60 4.802 km/s 3.001 km/s 0.18 amp=0.056313984
Local Maxima 1 12 km 1.73 4.802 km/s 2.784 km/s 0.25 amp=0.02899957
Local Maxima 2 16 km 1.81 4.802 km/s 2.657 km/s 0.28 amp=0.013588723
Local Maxima 3 16 km 1.61 4.802 km/s 2.978 km/s 0.19 amp=0.0091694305
Local Maxima 4 20 km 1.61 4.802 km/s 2.978 km/s 0.19 amp=0.0070703053
Predicted Arrivals for vertical incidence
(zero ray parameter)
Ps2.25 SECOND
PpPs9.75 SECOND
PsPs/PpSs12.00 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

(12 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude
99.99998 92.7 deg 181.237 deg South Sandwich Islands Region 2002/03/09 12:27:11 GMT (-56.0, -27.3) 118 km 5.8 MB, 6.0 MW, 6.0 MW
99.98702 98.2 deg 141.692 deg Prince Edward Islands Region 2002/03/17 19:33:33 GMT (-45.2, 35.1) 10 km 5.5 MB, 5.7 MS, 6.0 MW, 6.0 MW
95.197586 69.8 deg 224.423 deg Northern Chile 2002/01/14 15:36:26 GMT (-19.4, -69.2) 33 km 5.5 MB, 5.2 MS, 5.8 MW, 5.7 MW
95.136856 70.0 deg 229.981 deg Near Coast Of Peru 2001/06/23 20:33:14 GMT (-16.3, -73.6) 33 km 6.7 MB, 8.2 MS, 8.4 MW, 7.8 ME
94.6746 70.0 deg 227.892 deg Near Coast Of Peru 2001/07/07 09:38:43 GMT (-17.5, -72.1) 33 km 6.6 MB, 7.3 MS, 7.6 MW, 7.5 ME
94.40377 61.2 deg 264.718 deg El Salvador 2001/01/13 17:33:32 GMT (13.0, -88.7) 60 km 6.4 MB, 7.8 MS, 7.7 MW, 7.5 ME
94.26146 80.3 deg 68.089 deg Southern India 2001/01/26 03:16:40 GMT (23.4, 70.2) 16 km 6.9 MB, 8.0 MS, 7.7 MW, 7.7 ME
88.54573 76.8 deg 217.292 deg La Rioja Province, Argentina 2001/04/21 18:15:46 GMT (-29.1, -67.5) 128 km 5.3 MB, 5.8 MW, 5.2 MD
86.277405 80.0 deg 218.93 deg Near Coast Of Central Chile 2002/06/18 13:56:22 GMT (-30.8, -71.1) 54 km 6.0 MB, 6.6 MW, 6.4 MW
85.63171 69.9 deg 227.418 deg Near Coast Of Peru 2001/06/26 04:18:31 GMT (-17.7, -71.6) 24 km 6.2 MB, 6.7 MS, 6.8 MW, 6.7 ME
85.40522 96.4 deg 180.232 deg South Sandwich Islands Region 2001/04/13 15:33:53 GMT (-59.7, -25.6) 26 km 5.3 MB, 6.0 MS, 6.2 MW, 6.2 MW
81.2698 70.0 deg 230.374 deg Near Coast Of Peru 2001/07/05 13:53:48 GMT (-16.1, -74.0) 62 km 6.2 MB, 6.6 MW, 6.5 ME

Losers

(6 events)
Radial Match Distance Baz FERegion Time Lat/Lon Depth Magnitude Reason
78.708015 30.2 deg 5.218 deg Iceland Region 2002/09/16 18:48:26 GMT (66.9, -18.5) 10 km 5.5 MB, 5.7 MS, 5.8 MW, 5.8 MW
75.242424 58.3 deg 67.094 deg Western Iran 2002/06/22 02:58:21 GMT (35.6, 49.0) 10 km 6.2 MB, 6.4 MS, 6.5 MW, 6.5 MW
62.740322 76.4 deg 216.842 deg Catamarca Province, Argentina 2002/05/28 04:04:22 GMT (-28.9, -66.8) 22 km 6.0 MB, 5.7 MS, 6.0 MW, 5.9 MW
60.67666 95.5 deg 17.546 deg Northeastern China 2002/09/15 08:39:32 GMT (44.8, 129.9) 586 km 5.8 MB, 6.4 MW, 6.4 MW
54.44263 94.5 deg 178.988 deg South Sandwich Islands Region 2002/07/30 06:55:07 GMT (-57.9, -23.2) 33 km 5.7 MB, 5.8 MS, 6.2 MW, 6.0 MW
53.144783 72.6 deg 172.398 deg Southern Mid-Atlantic Ridge 2002/08/04 15:16:26 GMT (-35.5, -16.2) 10 km 6.0 MW, 5.3 MS, 5.4 MB, 5.9 MW