io.github.cyanheads/earthquake-mcp-server

io.github.cyanheads/earthquake-mcp-server

Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "earthquake-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/earthquake-mcp-server@0.5.1"
      ],
      "env": {
        "MCP_LOG_LEVEL": "info",
        "USGS_BASE_URL": "https://earthquake.usgs.gov",
        "EMSC_BASE_URL": "https://www.seismicportal.eu",
        "DEFAULT_LIMIT": "15",
        "REQUEST_TIMEOUT_MS": "10000",
        "EARTHQUAKE_CLAMP_LIMITS": "true"
      }
    }
  }
}
Environment variables
  • MCP_LOG_LEVELSets the minimum log level for output (e.g., 'debug', 'info', 'warn').
  • USGS_BASE_URLUSGS API base URL. Override for testing or mirroring.
  • EMSC_BASE_URLEMSC API base URL. Override for testing or mirroring.
  • DEFAULT_LIMITEvents earthquake_search_events returns when a call omits limit (1-1000).
  • REQUEST_TIMEOUT_MSPer-attempt HTTP timeout in milliseconds (1000-120000). Every feed, search, count, and event call also runs under one 50-second total deadline across its requests and retries.
  • EARTHQUAKE_CLAMP_LIMITSClamp a search or feed limit above 1000 to 1000 with a notice. Set false to advertise and enforce a maximum of 1000 instead.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.5.1
Registry
active
Published
11/4/2026

Remotes

  • streamable-httphttps://earthquake.caseyjhand.com/mcp

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