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/19786003

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) EAST OF SOUTH SANDWICH ISLANDS icon
Centroid Event
Date-Time (UTC): 2021-10-26 05:48:46
Location: EAST OF SOUTH SANDWICH ISLANDS
Latitude, Longitude: -58.470 °, -14.450 °
Magnitude: 5.9 MW
Depth: 12.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2021-10-26 05:48:42
Location: EAST OF SOUTH SANDWICH ISLANDS
Latitude, Longitude: -58.337 °, -14.793 °
Magnitude: 5.9 Mww (us)
Depth: 10.0 km
Author: usauto,pt,us
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C202110260548A
Timestamp: S-20211229233124
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 2.1
Depth Determination: FIX
Scalar Moment 8.235 e+24 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 24, Units: dyne-cm)
ComponentValueError
Mrr-0.6630.046
Mtt-1.970.05
Mpp2.630.05
Mrt-0.3280.124
Mrp0.5310.128
Mtp7.880.039
Principal Axes (Length Exponent: 24, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T30718.544
N20085-0.622
P375-7.925
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP18286-2
NP217288-176
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves15429240
Mantle Waves123167125
Surface Waves16436950
Event Location
Source NDK
PDEW 2021/10/26 05:48:42.3 -58.34  -14.79  10.0 0.0 5.9 EAST OF SOUTH SANDWICH I
C202110260548A   B:154  292  40 S:164  369  50 M:123  167 125 CMT: 1 TRIHD:  2.1
CENTROID:      4.4 0.1 -58.47 0.00  -14.45 0.01  12.0  0.0 FIX  S-20211229233124
24 -0.663 0.046 -1.970 0.050  2.630 0.050 -0.328 0.124  0.531 0.128  7.880 0.039
V10   8.544  1 307  -0.622 85 200  -7.925  5  37   8.235  82 86   -2 172 88 -176
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 5.9 EAST OF SOUTH SANDWICH ISLANDSIRIS
GMVGMV for Mww 6.0 EAST OF SOUTH SANDWICH ISLANDSIncorporated Research Institutions for Seismology
Event PlotsEvent Plots for Mww 6.0 EAST OF SOUTH SANDWICH ISLANDSIncorporated Research Institutions for Seismology
Contributions