evo-geospatial-earthquake-distance

evo-geospatial-earthquake-distance is a skill for Claude Code, Codex from OpenLAIR/OpenSkill. It costs 48 tokens per session (643 once invoked), scanned A, original, Apache-2.0.

A geospatial analysis pipeline for USGS earthquake GeoJSON data. It finds earthquakes inside a tectonic plate, measures their distance from that plate's boundary, and outputs the one farthest away.

In plain words
What is it for?
Use it to analyse earthquake locations relative to tectonic plates and produce a structured result with location, time, magnitude, and distance.
Why use it?
It combines geographic filtering, coordinate conversion, and distance measurement so you do not have to perform those steps manually.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to analyse earthquake locations relative to tectonic plates and produce a structured result with location, time, magnitude, and distance.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/openlair/openskill/evo-geospatial-earthquake-distance
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add OpenLAIR/OpenSkill --skill evo-geospatial-earthquake-distance
Clone the repo
git clone --depth 1 https://github.com/OpenLAIR/OpenSkill

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for evo-geospatial-earthquake-distance

README.md
[![agentmods](https://agentmods.dev/badge/skills/openlair/openskill/evo-geospatial-earthquake-distance/github.svg)](https://agentmods.dev/skills/openlair/openskill/evo-geospatial-earthquake-distance)
Your own site
<a href="https://agentmods.dev/skills/openlair/openskill/evo-geospatial-earthquake-distance"><img src="https://agentmods.dev/badge/skills/openlair/openskill/evo-geospatial-earthquake-distance/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for evo-geospatial-earthquake-distance

Your own site · 80×15
<a href="https://agentmods.dev/skills/openlair/openskill/evo-geospatial-earthquake-distance"><img src="https://agentmods.dev/badge/skills/openlair/openskill/evo-geospatial-earthquake-distance.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 48 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 643 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00048 $0.00643
Opus 5 $0.00024 $0.00321
Sonnet 5 $0.00010 $0.00129
Haiku 4.5 $0.00005 $0.00064

Measured today against content hash d118925eca75, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

evo-geospatial-earthquake-distance scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured today.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/utils.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

tasks-evolved/earthquake-plate-calculation/environment/skills/evo-geospatial-earthquake-distance/SKILL.md · 71 lines

How it starts

The opening of the file, as written. The whole thing — 71 lines — stays where its author put it; the contents beside it link to each section on GitHub.

evo-geospatial-earthquake-distance

Complete pipeline for finding the earthquake furthest from a tectonic plate boundary within the plate.

Key Concepts

USGS GeoJSON Format

  • Root: FeatureCollection with features array
  • Each feature: id (string), properties (mag, place, time in ms epoch), geometry (Point with [lon, lat, depth])
  • Time is milliseconds since Unix epoch, convert with pd.to_datetime(ms, unit='ms', utc=True)
  • ISO 8601 format: strftime('%Y-%m-%dT%H:%M:%SZ')

Pipeline Steps

  1. Parse earthquakes, store original lat/lon, shift geometry to 0-360
  2. Spatial join with plate polygon using predicate='within' (not op)
  3. Reproject to EPSG:3832 (PDC Mercator) for metric distances
  4. Compute distances via GeoSeries.distance(boundary_geom) broadcast
  5. Find max distance earthquake, format and export

Output Format

{
  "id": "earthquake_id",
  "place": "location description",
  "time": "YYYY-MM-DDTHH:MM:SSZ",
  "magnitude": 5.88,
  "latitude": 19.1868,
  "longitude": -155.4932,
  "distance_km": 4143.49
}

Functions

parse_usgs_earthquakes(path) -> GeoDataFrame

Parses USGS GeoJSON. Stores original lat/lon columns. Shifts geometry to 0-360.

filter_earthquakes_within_plate(eq_gdf, plate_gdf) -> GeoDataFrame

Spatial join with predicate='within'.

compute_boundary_distances(eq_gdf, boundary_geom) -> Series

Reprojects to EPSG:3832, computes distances in km.

find_furthest_earthquake(eq_gdf, distances_km) -> Series

Finds earthquake with maximum distance.

format_and_export_result(row, output_path) -> dict

Formats to JSON with ISO 8601 time, original coordinates.

Usage

import sys
sys.path.insert(0, '/app/environment/skills/evo-geospatial-antimeridian-plates/scripts')
sys.path.insert(0, '/app/environment/skills/evo-geospatial-earthquake-distance/scripts')

from utils import load_plate_polygon, load_plate_boundaries
# Rename to avoid conflict
import importlib
import utils as eq_utils

# Or more explicitly:
from utils import parse_usgs_earthquakes, filter_earthquakes_within_plate
from utils import compute_boundary_distances, find_furthest_earthquake, format_and_export_result

Read the full file on GitHub · 71 lines

Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. today First seen · 71 lines · 48 tokens per session scan A d118925eca75

Subscribe to this mod's changes

evo-geospatial-earthquake-distance is a skill published in the GitHub repository OpenLAIR/OpenSkill (88 stars, last pushed yesterday), licensed Apache-2.0. It adds 48 tokens to every session and 643 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-11.

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