programextensions/http/demos/quakes.xtl

Earthquakes of a week: the USGS feed of magnitude 2.5 and up, saved 2026-10-06 (demos/data/PROVENANCE.txt), checked against its SHA-256, into SQLite; SQL selects and groups, X_eTaL computes (the magnitude-frequency law), pictures show it. Run: just demo http quakes (pictures go to work/draw/; the live feed: just live-quakes)

source · imports dg: extensions/digest/lib/Digest.xtl; se: extensions/http/demos/Seismic.xtl

csv : Char

value · line 11

csv ← "demos/data/quakes-2.5-week.csv"

Used in: extensions/http/demos/quakes.xtl:13, extensions/http/demos/quakes.xtl:14