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/17583027

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 7.5 (GCMT) SOUTHEAST OF LOYALTY ISLANDS icon
Centroid Event
Date-Time (UTC): 2018-12-05 04:18:32
Location: SOUTHEAST OF LOYALTY ISLANDS
Latitude, Longitude: -21.950 °, 169.250 °
Magnitude: 7.5 MW
Depth: 17.8 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT
Event
Date-Time (UTC): 2018-12-05 04:18:08
Location: SOUTHEAST OF LOYALTY ISLANDS
Latitude, Longitude: -21.957 °, 169.418 °
Magnitude: 7.5 Mww (us)
Depth: 10.0 km
Author: at,pt,us
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C201812050418A
Timestamp: S-20190228202848
CMT Version: Final
NDK Version: V10
Reference Catalog: PDEW
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 14.3
Depth Determination: FREE
Scalar Moment 2.52 e+27 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 27, Units: dyne-cm)
ComponentValueError
Mrr-2.420.008
Mtt1.330.005
Mpp1.090.005
Mrt-0.5580.046
Mrp0.4890.048
Mtp-1.180.003
Principal Axes (Length Exponent: 27, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T22292.508
N13200.024
P4081-2.532
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP131236-90
NP213254-90
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves14930450
Mantle Waves174481150
Surface Waves15536950
Event Location
Source NDK
PDEW 2018/12/05 04:18:08.4 -21.95  169.43  10.0 0.0 7.5 SOUTHEAST OF LOYALTY ISL
C201812050418A   B:149  304  50 S:155  369  50 M:174  481 150 CMT: 1 TRIHD: 14.3
CENTROID:     24.3 0.1 -21.95 0.00  169.25 0.00  17.8  0.2 FREE S-20190228202848
27 -2.420 0.008  1.330 0.005  1.090 0.005 -0.558 0.046  0.489 0.048 -1.180 0.003
V10   2.508  9 222   0.024  0 132  -2.532 81  40   2.520 312 36  -90 132 54  -90
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
Back ProjectionsBack Projections for Mww 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
GMVGMV for Mww 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
Source Time FunctionSource Time Function for Mww 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
Event PlotsEvent Plots for Mww 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
AftershocksAftershocks for Mww 7.5 SOUTHEAST OF LOYALTY ISLANDSIRIS DMC
Contributions