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/967355

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) SOUTH SHETLAND ISLANDS icon
Centroid Event
Date-Time (UTC): 2007-12-08 03:54:52
Location: SOUTH SHETLAND ISLANDS
Latitude, Longitude: -60.680 °, -52.000 °
Magnitude: 5.8 MW
Depth: 12.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
No updated event details available
CMT Details
Event ID C200712080354A
Timestamp: S-20080303163740
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 1.9
Depth Determination: FIX
Scalar Moment 6.156 e+24 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 24, Units: dyne-cm)
ComponentValueError
Mrr0.3610.049
Mtt-5.320.047
Mpp4.960.055
Mrt1.420.128
Mrp-0.40.139
Mtp3.090.047
Principal Axes (Length Exponent: 24, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T10505.817
N15780.678
P19612-6.495
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP124081-9
NP233181-171
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves9018240
Mantle Waves6885125
Surface Waves10020350
Event Location
Source NDK
PDEW 2007/12/08 03:54:46.0 -60.51  -52.38  10.0 5.4 5.8 SOUTH SHETLAND ISLANDS  
C200712080354A   B: 90  182  40 S:100  203  50 M: 68   85 125 CMT: 1 TRIHD:  1.9
CENTROID:      6.2 0.1 -60.68 0.01  -52.00 0.01  12.0  0.0 FIX  S-20080303163740
24  0.361 0.049 -5.320 0.047  4.960 0.055  1.420 0.128 -0.400 0.139  3.090 0.047
V10   5.817  0 105   0.678 78  15  -6.495 12 196   6.156 240 81   -9 331 81 -171
Other Formats
Contributions