Preliminary Reference Earth Model (PREM)
PREM (Dziewonski & Anderson 1981): radial density profile of the Earth used for matter effects
Radial profiles of density and seismic velocities of the Earth; the standard input for neutrino matter effects through the Earth.
Get it
| Location | Role | Host | Formats | Size |
|---|---|---|---|---|
| EarthScope (IRIS) Earth Model Collaboration | primary | Institutional / collaboration web page | Plain-text table |
Metadata
| Creators | Adam M. Dziewonski; Don L. Anderson |
|---|---|
| Published | 1981 |
| Licence | No licence stated |
| Access | Open |
| Quantities | density, seismic velocities |
| Validity | 0–6371 km radius; layered polynomial fits |
Used by
- Newtrinos Newtrinos.jl — modules
earth_layers; verified in 10.1016_0031-9201(81)90046-7
Know of another paper or code that uses this, or an input it depends on? Tell us.
How to cite
Curation
| Status | Curated (candidate: harvested, not reviewed · curated: reviewed metadata · verified: resource downloaded and checked against its paper) |
|---|---|
| Added | 2026-10-23 |
| Curator notes | • ds.iris.edu now redirects to data.earthscope.org (2026-10-23) |