A 2023 study of the Ramu-Markham Fault Zone near Lae, Papua New Guinea, presented at the Australian Earthquake Engineering Society Conference. The data likely contains geospatial information on fault traces, river terraces, and uplift rates to inform seismic hazard assessment. It was published by Geoscience Australia Data and last updated in March 2026.
Use Cases
- Model seismic hazard and risk for Lae city based on fault zone geometry and convergence rates.
- Estimate past earthquake magnitudes and recurrence intervals based on river terrace heights.
- Map active fault traces and tectonic uplift patterns from geomorphological features.
Strengths
- Focuses on a high-convergence-rate zone of ~50 mm/yr between tectonic plates.
- Identifies river terrace riser heights on the order of 3 m, indicative of past large earthquakes.
- Study area includes the second-largest city and major port of Papua New Guinea.
Limitations
- Column-level documentation is absent; field semantics must be inferred after download.
- Row count is unknown, which may limit suitability assessment.
- Primary file formats are PDF and HTML, which may require extraction for analysis.
Provenance
- Source
- Geoscience Australia Data
- Collection Method
- Geomorphological field study and analysis, presented at a 2023 conference.
- Time Range
- Holocene
- Freshness
- Last updated 2026-03-25 17:28:15.985217; freshness should be verified.
- Geography
- Lae Urban Area and Ramu-Markham Fault Zone, Papua New Guinea