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

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 7.9 (GCMT) OFF EAST COAST OF KAMCHATKA icon
Centroid Event
Date-Time (UTC): 2025-09-18 18:58:38
Location: OFF EAST COAST OF KAMCHATKA
Latitude, Longitude: 52.740 °, 160.740 °
Magnitude: 7.9 MW
Depth: 32.2 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2025-09-18 18:58:14
Location: NEAR EAST COAST OF KAMCHATKA
Latitude, Longitude: 53.171 °, 160.681 °
Magnitude: 7.8 mww (us)
Depth: 27.0 km
Author: at,us,pt,usauto
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C202509181858A
Timestamp: S-20251129223208
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 20.7
Depth Determination: FREE
Scalar Moment 7.704 e+27 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 27, Units: dyne-cm)
ComponentValueError
Mrr4.030.011
Mtt-1.340.007
Mpp-2.680.008
Mrt4.210.064
Mrp5.030.063
Mtp-1.930.005
Principal Axes (Length Exponent: 27, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T312617.702
N21920.015
P12829-7.707
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP12121683
NP2397492
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves17047450
Mantle Waves174487150
Surface Waves16231850
Event Location
Source NDK
PDEW 2025/09/18 18:58:15.2  53.18  160.54  30.0 0.0 7.8 NEAR EAST COAST OF KAMCH
C202509181858A   B:170  474  50 S:162  318  50 M:174  487 150 CMT: 1 TRIHD: 20.7
CENTROID:     23.5 0.1  52.74 0.00  160.74 0.01  32.2  0.2 FREE S-20251129223208
27  4.030 0.011 -1.340 0.007 -2.680 0.008  4.210 0.064  5.030 0.063 -1.930 0.005
V10   7.702 61 312   0.015  2 219  -7.707 29 128   7.704 212 16   83  39 74   92
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 7.9 OFF EAST COAST OF KAMCHATKAIncorporated Research Institutions for Seismology
AftershocksAftershocks for mww 7.8 NEAR EAST COAST OF KAMCHATKAIRIS DMC
Back ProjectionsBack Projections for mww 7.8 NEAR EAST COAST OF KAMCHATKAEarthScope
EQ EnergyEQ Energy for mww 7.8 NEAR EAST COAST OF KAMCHATKAIncorporated Research Institutions for Seismology
Event PlotsEvent Plots for mww 7.8 NEAR EAST COAST OF KAMCHATKAIncorporated Research Institutions for Seismology
GMVGMV for mww 7.8 NEAR EAST COAST OF KAMCHATKAIncorporated Research Institutions for Seismology
Contributions