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/13336481

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 7.1 (GCMT) NORTH OF ASCENSION ISLAND icon
Centroid Event
Date-Time (UTC): 2016-08-29 04:30:18
Location: NORTH OF ASCENSION ISLAND
Latitude, Longitude: 0.130 °, -17.720 °
Magnitude: 7.1 MW
Depth: 26.8 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2016-08-29 04:29:57
Location: NORTH OF ASCENSION ISLAND
Latitude, Longitude: -0.047 °, -17.829 °
Magnitude: 7.1 mww (at,us,gcmt)
Depth: 10.0 km
Author: at,us,gcmt
Catalog, Contributor: NEIC PDE,
Related Products:
CMT Details
Event ID C201608290430A
Timestamp: S-20161106193705
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 8.7
Depth Determination: FREE
Scalar Moment 5.697 e+26 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 26, Units: dyne-cm)
ComponentValueError
Mrr-0.4220.018
Mtt2.250.017
Mpp-1.830.016
Mrt0.8580.078
Mrp-1.20.078
Mtp-5.130.015
Principal Axes (Length Exponent: 26, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T35126.029
N18776-0.665
P3036-5.366
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP17977176
NP21708613
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves17344050
Mantle Waves172422150
Surface Waves17442750
Event Location
Source NDK
PDEW 2016/08/29 04:29:57.9  -0.05  -17.83  10.0 0.0 7.1 NORTH OF ASCENSION ISLAN
C201608290430A   B:173  440  50 S:174  427  50 M:172  422 150 CMT: 1 TRIHD:  8.7
CENTROID:     20.4 0.1   0.13 0.00  -17.72 0.00  26.8  0.3 FREE S-20161106193705
26 -0.422 0.018  2.250 0.017 -1.830 0.016  0.858 0.078 -1.200 0.078 -5.130 0.015
V10   6.029 12  35  -0.665 76 187  -5.366  6 303   5.697  79 77  176 170 86   13
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 7.1 NORTH OF ASCENSION ISLANDIRIS
Back ProjectionsBack Projections for MWP 6.9 NORTH OF ASCENSION ISLANDIRIS DMC
GMVGMV for MWP 6.9 NORTH OF ASCENSION ISLANDIRIS DMC
EQ EnergyEQ Energy for MWP 6.9 NORTH OF ASCENSION ISLANDIRIS DMC
Event PlotsEvent Plots for MWP 6.9 NORTH OF ASCENSION ISLANDIRIS DMC
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 7.1 NORTH OF ASCENSION ISLANDIRIS DMC
Contributions