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 8.1 (GCMT) NEAR COAST OF NORTHERN CHILE (Inactive) icon
Centroid Event
Date-Time (UTC): 2014-04-01 23:47:29
Location: NEAR COAST OF NORTHERN CHILE
Latitude, Longitude: -19.770 °, -70.980 °
Magnitude: 8.1 MW
Depth: 21.9 km
Author: Global CMT Project
Catalog, Contributor: GCMT, GCMT-Q
Event
Date-Time (UTC): 2014-04-01 23:46:47
Location: NEAR COAST OF NORTHERN CHILE
Latitude, Longitude: -19.610 °, -70.769 °
Magnitude: 8.2 mww (us)
Depth: 25.0 km
Author: pt,at,us
Catalog, Contributor: NEIC PDE, us
Related Products:
CMT Details
Event ID C201404012346A
Timestamp: Q-20140401232631
CMT Version: Quick
NDK Version: V10
Reference Catalog: PDEQ
Source Zero Trace
Moment Rate Fn: TRIHD
Half Duration: 26.9
Depth Determination: FREE
Scalar Moment 1.69 e+28 (dyne-cm)
Focal Mechanism
Moment Tensor (Exponent: 28, Units: dyne-cm)
ComponentValueError
Mrr0.940.004
Mtt-0.0370.002
Mpp-0.9030.003
Mrt0.5950.023
Mrp-1.270.03
Mtp0.2010.001
Principal Axes (Length Exponent: 28, Units: dyne-cm)
NameAzimuth (°)Plunge (°)Length
T58611.702
N1596-0.024
P25228-1.678
Nodal Planes
NameStrike (°)Dip (°)Rake (°)
NP135718109
NP21577384
Data Used in Inversion
TypeStationsComponentsShortest Period (s)
Body Waves15939350
Mantle Waves159451200
Surface Waves14219950
Event Location
Source NDK
PDEQ 2014/04/01 23:46:46.5 -19.64  -70.82  20.1 0.0 8.2 NEAR COAST OF NORTHERN C
C201404012346A   B:159  393  50 S:142  199  50 M:159  451 200 CMT: 1 TRIHD: 26.9
CENTROID:     42.5 0.1 -19.77 0.01  -70.98 0.01  21.9  0.4 FREE Q-20140401232631
28  0.940 0.004 -0.037 0.002 -0.903 0.003  0.595 0.023 -1.270 0.030  0.201 0.001
V10   1.702 61  58  -0.024  6 159  -1.678 28 252   1.690 357 18  109 157 73   84
Other Formats
Other Products For This Event
Product TypeDescriptionOrganization
Moment TensorMoment Tensor for MW 8.1 (GCMT) NEAR COAST OF NORTHERN CHILEIRIS DMC
Global ShakeMovie syntheticGlobal ShakeMovie synthetic for MW 8.1 NEAR COAST OF NORTHERN CHILEIRIS
Surface-Wave Radiation PatternsSurface-Wave Radiation Patterns for MW 8.1 NEAR COAST OF NORTHERN CHILEIRIS DMC
Back ProjectionsBack Projections for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
GMVGMV for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
EQ EnergyEQ Energy for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
Event PlotsEvent Plots for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
Source Time FunctionSource Time Function for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
AftershocksAftershocks for MI 8.0 NEAR COAST OF NORTHERN CHILEIRIS DMC
Contributions