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/835835

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 5.9 (GCMT) SOUTH SHETLAND ISLANDS icon
Centroid Event
Date-Time (UTC): 1980-09-15 04:28:17
Location: SOUTH SHETLAND ISLANDS
Latitude, Longitude: -61.250 °, -56.850 °
Magnitude: 5.9 MW
Depth: 32.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
No updated event details available
CMT Details
Event ID B091580A
Timestamp: O-00000000000000
CMT Version: Final
NDK Version: V10
Reference Catalog: MLI
Source Zero Trace
Moment Rate Fn: BOXHD
Half Duration: 3.6
Depth Determination: BDY
Scalar Moment 8.65 e+24 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 24, Units: dyne-cm)
ComponentValueError
Mrr-4.1250.131
Mtt1.9370.159
Mpp2.1880.215
Mrt-5.9810.227
Mrp-4.6330.21
Mtp2.1970.132
Principal Axes (Length Exponent: 24, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T138318.68
N2304-0.06
P32759-8.62
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP121515-105
NP25176-86
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves133945
Mantle Waves000
Surface Waves000
Event Location
Source NDK
MLI  1980/09/15 04:28:13.7 -61.39  -56.43  33.0 5.8 5.8 SOUTH SHETLAND ISLANDS  
B091580A         B: 13   39  45 S:  0    0   0 M:  0    0   0 CMT: 1 BOXHD:  3.6
CENTROID:      3.7 0.2 -61.25 0.02  -56.85 0.06  32.0  0.0 BDY  O-00000000000000
24 -4.125 0.131  1.937 0.159  2.188 0.215 -5.981 0.227 -4.633 0.210  2.197 0.132
V10   8.680 31 138  -0.060  4 230  -8.620 59 327   8.650 215 15 -105  51 76  -86
Other Formats
Contributions