About SPUD

SPUD Version 3.0

The Searchable Product Depository (SPUD) is the IRIS DMC's primary data product management system. Complementing the DMC's SEED and assembled data archives, which contain time series recordings, the SPUD system primarily contains derivative data products of other types (images, movies, etc.) created either at the DMC or by members of the community.

For users SPUD is the query and access point for these products. The web interfaces allow users to search for products using customized queries across product and event details. Users can search across all product types at once or within specific product types. SPUD also has web service interfaces for programmatic discovery and access to the data products.

If any products from SPUD are used in your research please be sure to cite the identified author of the product and the IRIS DMS [Citation Information].

About Moment Tensor Products

Global Centroid-Moment-Tensors from the GCMT project at Lamont-Doherty Earth Observatory are available through SPUD within minutes after their publication. Initial quick-CMT solutions are shown and are later updated to GCMT solutions when updates arrive. The download button gives users the full NDK format solution. For more info, visit: www.globalcmt.org.

Citing Global Centroid-Moment-Tensor Products

If you use Moment Tensors in publications, please cite according to the instructions at:

http://ds.iris.edu/ds/products/momenttensor/#citation

When citing this Moment Tensor page please use the Digital Object Identifier (DOI):

doi:10.17611/DP/994085

Moment Tensor Help

The page displays information for individual Moment Tensors.

The centroid origin is displayed next to the primary origin from the IRIS database followed by the moment tensor details.
Moment Tensor for MW 5.0 (GCMT) PACIFIC-ANTARCTIC RIDGE icon
Centroid Event
Date-Time (UTC): 2010-11-21 08:41:56
Location: PACIFIC-ANTARCTIC RIDGE
Latitude, Longitude: -54.440 °, -131.980 °
Magnitude: 5.0 MW
Depth: 36.1 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
No updated event details available
CMT Details
Event ID C201011210841A
Timestamp: S-20110228165310
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 0.8
Depth Determination: FREE
Scalar Moment 4.387 e+23 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 23, Units: dyne-cm)
ComponentValueError
Mrr-0.690.266
Mtt4.10.294
Mpp-3.410.23
Mrt1.150.279
Mrp0.3770.243
Mtp2.00.164
Principal Axes (Length Exponent: 23, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T346124.862
N17478-0.95
P762-3.912
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP1122808
NP23083170
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves242840
Mantle Waves000
Surface Waves779750
Event Location
Source NDK
PDEW 2010/11/21 08:41:48.5 -54.48 -131.94  10.0 4.0 0.0 PACIFIC-ANTARCTIC RIDGE 
C201011210841A   B: 24   28  40 S: 77   97  50 M:  0    0   0 CMT: 1 TRIHD:  0.8
CENTROID:      8.4 0.4 -54.44 0.03 -131.98 0.05  36.1  2.4 FREE S-20110228165310
23 -0.690 0.266  4.100 0.294 -3.410 0.230  1.150 0.279  0.377 0.243  2.000 0.164
V10   4.862 12 346  -0.950 78 174  -3.912  2  76   4.387 122 80    8  30 83  170
Other Formats
Contributions