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/997005

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 5.8 (GCMT) GUERRERO, MEXICO icon
Centroid Event
Date-Time (UTC): 2009-04-27 16:46:31
Location: GUERRERO, MEXICO
Latitude, Longitude: 17.060 °, -99.410 °
Magnitude: 5.8 MW
Depth: 32.2 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
No updated event details available
CMT Details
Event ID C200904271646A
Timestamp: S-20090723133340
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 2.0
Depth Determination: FREE
Scalar Moment 6.887 e+24 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 24, Units: dyne-cm)
ComponentValueError
Mrr4.170.058
Mtt-5.010.051
Mpp0.8430.056
Mrt-4.970.111
Mrp1.070.096
Mtp-0.5020.047
Principal Axes (Length Exponent: 24, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T207646.588
N95110.6
P36024-7.185
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP1692362
NP227969101
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves9720940
Mantle Waves6885125
Surface Waves9420450
Event Location
Source NDK
PDEW 2009/04/27 16:46:28.6  17.03  -99.45  35.0 5.7 5.8 GUERRERO, MEXICO        
C200904271646A   B: 97  209  40 S: 94  204  50 M: 68   85 125 CMT: 1 TRIHD:  2.0
CENTROID:      3.1 0.1  17.06 0.01  -99.41 0.01  32.2  0.5 FREE S-20090723133340
24  4.170 0.058 -5.010 0.051  0.843 0.056 -4.970 0.111  1.070 0.096 -0.502 0.047
V10   6.588 64 207   0.600 11  95  -7.185 24 360   6.887  69 23   62 279 69  101
Other Formats
Contributions