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/20313385

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 6.6 (GCMT) TAIWAN icon
Centroid Event
Date-Time (UTC): 2022-03-22 17:41:43
Location: TAIWAN
Latitude, Longitude: 23.340 °, 121.510 °
Magnitude: 6.6 MW
Depth: 31.2 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2022-03-22 17:41:38
Location: TAIWAN
Latitude, Longitude: 23.387 °, 121.607 °
Magnitude: 6.7 mww (us)
Depth: 24.0 km
Author: at,pt,us,usauto
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C202203221741A
Timestamp: S-20220530003348
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 5.0
Depth Determination: FREE
Scalar Moment 1.103 e+26 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 26, Units: dyne-cm)
ComponentValueError
Mrr0.9660.005
Mtt-0.1730.004
Mpp-0.7930.004
Mrt-0.1120.008
Mrp0.4110.008
Mtp-0.490.003
Principal Axes (Length Exponent: 26, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T234721.097
N24160.012
P1179-1.11
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP122539116
NP2135671
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves16339150
Mantle Waves147277125
Surface Waves16639650
Event Location
Source NDK
PDEW 2022/03/22 17:41:38.6  23.39  121.61  24.0 0.0 6.7 TAIWAN                  
C202203221741A   B:163  391  50 S:166  396  50 M:147  277 125 CMT: 1 TRIHD:  5.0
CENTROID:      4.6 0.1  23.34 0.00  121.51 0.00  31.2  0.1 FREE S-20220530003348
26  0.966 0.005 -0.173 0.004 -0.793 0.004 -0.112 0.008  0.411 0.008 -0.490 0.003
V10   1.097 72 234   0.012 16  24  -1.110  9 117   1.103 225 39  116  13 56   71
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 6.6 TAIWANIRIS
Back ProjectionsBack Projections for mww 6.7 TAIWANIRIS DMC
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 6.6 TAIWANIncorporated Research Institutions for Seismology
GMVGMV for mww 6.7 TAIWANIncorporated Research Institutions for Seismology
Event PlotsEvent Plots for mww 6.7 TAIWANIncorporated Research Institutions for Seismology
Contributions