Bhatthal Projects and Presentations

Below are links to all projects, presentations, and resources given by Akash Bhatthal.

Projects typically each have their own SCECpedia entry with an outline, problem summary, and links to relevant resources.

2026

Q1 Roadmap PPTX
Outline development pain points, user feedback, and aspirations for OpenSHA and UCERF3-ETAS
- SCEC Seismic Hazard Portfolio -- OpenSHA/UCERF3-ETAS Presentation Notes
- SCEC Seismic Hazard Portfolio
Migrated the OpenSHA Legacy Server to AWS
- Systems design and cost analysis: Legacy OpenSHA Server Migration

Resolved a production failure for the SCEC Event Page Generator: Nov 4 2025 - Failure to generate Yucaipa M3.1
Documented all OpenSHA Repositories
Created a new UCERF3-ETAS Mail List at SCEC-UCERF3-ETAS-L@MAILLIST.USC.EDU

Investigated impact of Preferred Rupture Directivity in Hazard Curve Computations
Created the ComparisonCurvePlotter CLT, an OpenSHA-CyberShake tool used to compare multiple hazard curves for Preferred Rupture Directivity study

Designed a new system for SCEC Event Pages generated on Quakeworx detailed in the SEP Development Plan

SCEC 2025 Annual Meeting: New Seismic Hazard Research Capabilities and Software Improvements in OpenSHA v25.4 (File:2025 SCEC OpenSHA Poster.pdf)
Enabled Preferred Rupture Directivity in Hazard Curve Computations in HazardCurvePlotter CLT
Released OpenSHA v25.4, the first major software release in over 4 years
Documented the workflow for Publishing UCERF3-ETAS Event Reports on SCEC Event Pages
Presented the UCERF3-ETAS tutorial application exercise at the 2025 Quakeworx Workshop and the March 2025 Staff Meeting
Write and deploy PdfGen wrapper and installation scripts for PDF plot results on Quakeworx
Create Software Development Practices with first entry How to Contribute Code: A practical overview of development workflows using Git

Develop OpenSHA-Jupyter for portable and interactive demonstrations of OpenSHA code
Create GetFile framework for use in OpenSHA versioned and validated file downloads
Support SCEC VDO latest release across all platforms
Collect UCERF3-ETAS Measurements on HPC systems and documented methodology