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/1004560

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 9.1 (GCMT) OFF EAST COAST OF HONSHU, JAPAN icon
Centroid Event
Date-Time (UTC): 2011-03-11 05:47:32
Location: OFF EAST COAST OF HONSHU, JAPAN
Latitude, Longitude: 37.520 °, 143.050 °
Magnitude: 9.1 MW
Depth: 20.0 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
No updated event details available
CMT Details
Event ID M201103110546A
Timestamp: S-20110311234057
CMT Version: Final
NDK Version: V10
Reference Catalog: PDE
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 70.0
Depth Determination: FIX
Scalar Moment 5.312 e+29 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 29, Units: dyne-cm)
ComponentValueError
Mrr1.730.006
Mtt-0.2810.005
Mpp-1.450.005
Mrt2.120.068
Mrp4.550.065
Mtp-0.6570.004
Principal Axes (Length Exponent: 29, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T295555.305
N20500.014
P11535-5.319
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP12031088
NP2258090
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves000
Mantle Waves100271300
Surface Waves000
Event Location
Source NDK
PDE  2011/03/11 05:46:23.0  38.32  142.37  24.4 7.9 7.9 NEAR EAST COAST OF HONSH
M201103110546A   B:  0    0   0 S:  0    0   0 M:100  271 300 CMT: 1 TRIHD: 70.0
CENTROID:     69.8 0.2  37.52 0.01  143.05 0.02  20.0  0.0 FIX  S-20110311234057
29  1.730 0.006 -0.281 0.005 -1.450 0.005  2.120 0.068  4.550 0.065 -0.657 0.004
V10   5.305 55 295   0.014  0 205  -5.319 35 115   5.312 203 10   88  25 80   90
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 9.1 OFF EAST COAST OF HONSHU, JAPANIRIS
Source Time FunctionSource Time Function for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIRIS DMC
AftershocksAftershocks for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIRIS DMC
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 9.1 OFF EAST COAST OF HONSHU, JAPANIRIS DMC
GMVGMV for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIncorporated Research Institutions for Seismology
Back ProjectionsBack Projections for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIRIS DMC
Event PlotsEvent Plots for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIRIS DMC
EQ EnergyEQ Energy for MW 8.9 NEAR EAST COAST OF HONSHU, JAPANIRIS DMC
Contributions