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USGS Earthquakes

by com.olyport
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Server Details

Real-time earthquake events from the US Geological Survey

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Status
Healthy
Uptime
100.0% over the last 24 hours
Last Tested
Transport
Streamable HTTP · MCP 2025-11-25
URL
ChatGPT
–
Claude
–

TDQS

A4.4/5.0

Scored across 3 tools

Disambiguation5/5

Each tool has a clearly distinct purpose: detail lookup by event ID, geographic radius search, and global recent search. There is no meaningful overlap in how or why an agent would select one over another.

Naming Consistency4/5

All names use snake_case with a get_ prefix, which is mostly consistent. However, modifier placement varies slightly (e.g., get_earthquake_detail vs. get_earthquakes_near vs. get_recent_earthquakes), making the pattern not perfectly uniform.

Tool Count5/5

Three tools is well-scoped for a read-only earthquake data service. Each tool covers a distinct access pattern (detail, spatial search, recent global search) and earns its place without redundancy.

Completeness4/5

The surface covers key earthquake retrieval workflows: detail, local search, and global recent list. A minor gap is the lack of an arbitrary historical date-range or global magnitude-range query, but agents can still work around this with the existing tools.

Available Tools

3 tools
get_earthquake_detailAInspect

Get full details of a specific earthquake event by its USGS event ID.

Returns comprehensive information including magnitude, location, depth,
felt reports, tsunami status, and tectonic summary when available.

Args:
    event_id: The USGS event ID (e.g. 'us7000m1xh'). Get IDs from search results.
NameRequiredDescriptionDefault
event_idYes

Output Schema

NameRequiredDescription
resultYes
get_earthquakes_nearAInspect

Get earthquakes near a specific geographic location.

Searches for earthquakes within a radius of the given coordinates.
Useful for assessing local seismic risk or investigating felt reports.

Args:
    latitude: Latitude of the center point (e.g. 37.7749 for San Francisco).
    longitude: Longitude of the center point (e.g. -122.4194 for San Francisco).
    radius_km: Search radius in kilometers (default 100, max 20001).
    min_magnitude: Minimum magnitude to include (default 1.0).
    days: Number of days to look back (default 30, max 365).
NameRequiredDescriptionDefault
daysNo
latitudeYes
longitudeYes
radius_kmNo
min_magnitudeNo

Output Schema

NameRequiredDescription
resultYes
get_recent_earthquakesAInspect

Get recent earthquakes worldwide above a minimum magnitude.

Returns earthquake events from the USGS catalog sorted by time (newest first).
Useful for monitoring seismic activity globally.

Args:
    min_magnitude: Minimum magnitude to include (default 2.5). Use 4.5+ for significant quakes only.
    days: Number of days to look back (default 7, max 30).
    limit: Maximum number of earthquakes to return (default 50, max 500).
NameRequiredDescriptionDefault
daysNo
limitNo
min_magnitudeNo

Output Schema

NameRequiredDescription
resultYes

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 3 tool updates
    • First observedget_earthquake_detail
    • First observedget_earthquakes_near
    • First observedget_recent_earthquakes

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