`list_volcanoes`

Pack: usgs-volcano · Endpoint: https://gateway.pipeworx.io/usgs-volcano/mcp

List every US volcano monitored by USGS with current alert level (Normal/Advisory/Watch/Warning) and aviation color code (Green/Yellow/Orange/Red). Filter optionally by observatory.

Parameters

Name	Type	Required	Description
`observatory`	string	no	Observatory short code (AVO=Alaska, CVO=Cascades, YVO=Yellowstone, HVO=Hawaiian, CalVO=California). Optional.

Example call

Arguments

{}

curl

curl -X POST https://gateway.pipeworx.io/usgs-volcano/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"list_volcanoes","arguments":{}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('list_volcanoes', {});

More examples

{
  "observatory": "AVO"
}

Response shape

Always returns: total, returned, volcanoes

Field	Type	Description
`total`	number	Total number of US volcanoes monitored
`returned`	number	Number of volcanoes returned after filtering
`volcanoes`	array	List of volcano records

Full JSON Schema

{
  "type": "object",
  "properties": {
    "total": {
      "type": "number",
      "description": "Total number of US volcanoes monitored"
    },
    "returned": {
      "type": "number",
      "description": "Number of volcanoes returned after filtering"
    },
    "volcanoes": {
      "type": "array",
      "description": "List of volcano records",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": [
              "string",
              "null"
            ],
            "description": "Volcano name"
          },
          "slug": {
            "type": [
              "string",
              "null"
            ],
            "description": "USGS volcano slug for URLs"
          },
          "observatory": {
            "type": [
              "string",
              "null"
            ],
            "description": "Observatory code (AVO, CVO, HVO, etc.)"
          },
          "alert_level": {
            "type": [
              "string",
              "null"
            ],
            "description": "Current alert level (Normal/Advisory/Watch/Warning)"
          },
          "color_code": {
            "type": [
              "string",
              "null"
            ],
            "description": "Aviation color code (Green/Yellow/Orange/Red)"
          },
          "latitude": {
            "type": [
              "number",
              "null"
            ],
            "description": "Volcano latitude"
          },
          "longitude": {
            "type": [
              "number",
              "null"
            ],
            "description": "Volcano longitude"
          },
          "elevation_m": {
            "type": [
              "number",
              "null"
            ],
            "description": "Elevation in meters"
          },
          "vnum": {
            "type": [
              "string",
              "null"
            ],
            "description": "USGS volcano number"
          },
          "synonyms": {
            "type": [
              "string",
              "null"
            ],
            "description": "Alternative volcano names"
          },
          "alert_message": {
            "type": [
              "string",
              "null"
            ],
            "description": "Current alert status message"
          },
          "alert_url": {
            "type": [
              "string",
              "null"
            ],
            "description": "URL to full alert information"
          },
          "modified": {
            "type": [
              "string",
              "null"
            ],
            "description": "Last modification timestamp"
          }
        }
      }
    }
  },
  "required": [
    "total",
    "returned",
    "volcanoes"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "usgs-volcano": {
      "url": "https://gateway.pipeworx.io/usgs-volcano/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

list_volcanoes