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/13600825

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 4.8 (GCMT) ICELAND REGION icon
Centroid Event
Date-Time (UTC): 2017-03-26 00:24:50
Location: ICELAND REGION
Latitude, Longitude: 67.840 °, -18.700 °
Magnitude: 4.8 MW
Depth: 12.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2017-03-26 00:24:49
Location: ICELAND REGION
Latitude, Longitude: 67.716 °, -18.940 °
Magnitude: 4.6 mb (us)
Depth: 10.0 km
Author: us
Catalog, Contributor: NEIC PDE, us
CMT Details
Event ID C201703260024A
Timestamp: S-20170530013655
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 0.6
Depth Determination: FIX
Scalar Moment 1.74 e+23 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 23, Units: dyne-cm)
ComponentValueError
Mrr-1.750.047
Mtt0.1810.053
Mpp1.570.041
Mrt0.2250.286
Mrp0.0640.191
Mtp0.4450.041
Principal Axes (Length Exponent: 23, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T28721.705
N1760.072
P17883-1.776
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP11043-99
NP220347-82
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves131440
Mantle Waves000
Surface Waves10714650
Event Location
Source NDK
PDEW 2017/03/26 00:24:49.3  67.72  -18.94  10.0 0.0 4.6 ICELAND REGION          
C201703260024A   B: 13   14  40 S:107  146  50 M:  0    0   0 CMT: 1 TRIHD:  0.6
CENTROID:      1.5 0.2  67.84 0.03  -18.70 0.04  12.0  0.0 FIX  S-20170530013655
23 -1.750 0.047  0.181 0.053  1.570 0.041  0.225 0.286  0.064 0.191  0.445 0.041
V10   1.705  2 287   0.072  6  17  -1.776 83 178   1.740  10 43  -99 203 47  -82
Other Formats
Contributions