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:


When citing this Moment Tensor page please use the Digital Object Identifier (DOI):


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 5.5 (GCMT) SOUTH KOREA icon
Centroid Event
Date-Time (UTC): 2017-11-15 05:29:35
Latitude, Longitude: 36.140 °, 129.260 °
Magnitude: 5.5 MW
Depth: 12.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Date-Time (UTC): 2017-11-15 05:29:32
Latitude, Longitude: 36.065 °, 129.270 °
Magnitude: 5.4 Mww (us)
Depth: 10.0 km
Author: us
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C201711150529A
Timestamp: Q-20171116113950
CMT Version: Quick
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 1.3
Depth Determination: FIX
Scalar Moment 1.981 e+24 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 24, Units: dyne-cm)
Principal Axes (Length Exponent: 24, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves10316540
Mantle Waves000
Surface Waves14827650
Event Location
Source NDK
PDEW 2017/11/15 05:29:32.9  36.06  129.27  10.0 0.0 5.4 SOUTH KOREA             
C201711150529A   B:103  165  40 S:148  276  50 M:  0    0   0 CMT: 1 TRIHD:  1.3
CENTROID:      2.5 0.1  36.14 0.01  129.26 0.01  12.0  0.0 FIX  Q-20171116113950
24  1.100 0.023  1.240 0.022 -2.340 0.025 -0.223 0.054 -0.421 0.057 -0.687 0.022
V10   1.438 26 187   1.086 62  25  -2.524  7 281   1.981 327 66   14 231 77  156

Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 5.5 SOUTH KOREAIRIS