usgs_earthquakes_by_region
Get recent USGS earthquakes within a radius of a point (latitude/longitude).
This record as markdown: /tools/io-github-malamutemayhem-unclick-mcp-server/usgs-earthquakes-by-region.md
What usgs_earthquakes_by_region does on UnClick
AI agents call usgs_earthquakes_by_region to retrieve information from UnClick without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
lat | number | Yes | Centre latitude |
lon | number | Yes | Centre longitude |
limit | number | — | Max results (default 20, max 500) |
radius | number | — | Search radius in km (default 500) |
min_magnitude | number | — | Minimum magnitude |
Parameters from the server's own tool schema.
Why usgs_earthquakes_by_region is rated Low
This tool retrieves and queries earthquake data from USGS based on geographic parameters. It has no side effects, does not modify data, execute code, delete records, or involve financial transactions. It is purely informational retrieval, fitting the 'Read' category.
From the tool's definition Tool name and description indicate 'Get recent USGS earthquakes' - a retrieval operation with 'within a radius of a point (latitude/longitude)', which queries existing seismic data without modifying, deleting, or executing anything.
Attacks that exploit this kind of access
The rule that runs usgs_earthquakes_by_region safely
PolicyLayer is an MCP gateway: it sits between your AI agents and UnClick, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For usgs_earthquakes_by_region, this is the rule to start with:
usgs_earthquakes_by_region is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect UnClick, apply this rule, and every usgs_earthquakes_by_region call is checked against it from then on.
Questions about usgs_earthquakes_by_region
Get recent USGS earthquakes within a radius of a point (latitude/longitude). It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
usgs_earthquakes_by_region accepts 5 parameters: lat, lon, limit, radius, min_magnitude. Required: lat, lon. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for usgs_earthquakes_by_region: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches UnClick. Nothing to install.
usgs_earthquakes_by_region is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the usgs_earthquakes_by_region rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for usgs_earthquakes_by_region. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
usgs_earthquakes_by_region is provided by the UnClick MCP server (@unclick/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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