Tsunami Inundation Model Benchmark for the 2004 Indian Ocean Event

A 2004 Indian Ocean tsunami benchmark dataset for validating hydrodynamic models across generation, propagation, and inundation stages. The data, from the Australian Ocean Data Network, incorporates geodetic earthquake measurements, satellite altimetry, eyewitness accounts, and a detailed inundation survey of Patong Bay, Thailand. It was used to validate the ANUGA hydrodynamic modeling tool.

Use Cases

• Validating tsunami source models based on geodetic earthquake measurements.
• Testing open ocean tsunami propagation models using satellite altimetry data.
• Assessing near-shore propagation and inundation extent with eyewitness accounts and field surveys.
• Conducting sensitivity analysis on model parameters like friction and wave height.

Strengths

• Benchmark validates all three stages of tsunami evolution: generation, propagation, and inundation.
• Incorporates multiple observational data types: geodetic, satellite altimetry, eyewitness, and detailed field survey.
• Includes sensitivity analysis on model parameters like friction and wave height perturbations.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Australian Ocean Data Network

Collection Method

Aggregated from geodetic measurements, Jason satellite altimetry, eyewitness accounts, and a field survey.

Time Range

2004

Freshness

Last updated 2026-06-27 18:16:27.764145; freshness should be verified.

Geography

Indian Ocean, with focus on Sumatra-Andaman earthquake region and Patong Bay, Thailand.