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USGS Earthquake Catalog (ComCat)

Earthquake search and event detail from the USGS ANSS Comprehensive Earthquake Catalog (ComCat) via its public FDSN event web service: worldwide events with US coverage down to small magnitudes, PAGER alerts, ShakeMap intensities and Did You Feel It? reports. Public-domain US government data.

3 Firecrawl tools use USGS Earthquake Catalog (ComCat)
Try in Agent
Use USGS Earthquake Catalog (ComCat) for Event. Inspect the Alexandria inputs, ask for any missing required details, and return a small sample with sources.

Try USGS Earthquake Catalog (ComCat) now.

Choose an example or ask your own question.

USGS Earthquake Catalog (ComCat)
TRY ASKING
1Request
string

ComCat event id such as us6000jllz or official20110311054624120_30 (case-insensitive). Pass id or url, not both.

string

USGS event page URL, https://earthquake.usgs.gov/earthquakes/eventpage/<id>[/...].

5 credits
Codefollows the fields above
const result = await firecrawl.scrape({
  alexandria: {
    provider: "earthquake-usgs-gov",
    capability: "earthquakes/event",
    options: {
      id: "us6000jllz",
    },
  },
});
2Response example

This is a sample shape. Press Run to see live data from USGS Earthquake Catalog (ComCat).

{
  "dyfi": {
    "max_cdi": 9.1,
    "responses": 3182,
    "source": "us",
    "updated": "2026-04-13T23:32:30.032Z"
  },
  "event": {
    "alert": "red",
    "azimuthal_gap_deg": 17,
    "cdi": 9.1,
    "code": "6000jllz",
    "depth_km": 10,
    "event_type": "earthquake",
    "felt": 3182,
    "id": "us6000jllz",
    "ids": [
      "us6000jllz",
      "usauto6000jllz",
      "at00rpmwxe",
      "pt23037000"
    ],
    "latitude": 37.2256,
    "longitude": 37.0143,
    "magnitude": 7.8,
    "magnitude_type": "mww",
    "min_distance_deg": 0.165,
    "mmi": 9.537,
    "network": "us",
    "place": "Pazarcik earthquake, Kahramanmaras earthquake sequence",
    "product_types": [
      "dyfi",
      "earthquake-name",
      "finite-fault",
      "general-link",
      "general-text",
      "ground-failure",
      "groundmotion-packet",
      "impact-text",
      "internal-moment-tensor",
      "internal-origin",
      "losspager",
      "moment-tensor",
      "origin",
      "phase-data",
      "shakemap"
    ],
    "rms_s": 0.66,
    "significance": 2910,
    "sources": [
      "us",
      "usauto",
      "at",
      "pt"
    ],
    "stations": 266,
    "status": "reviewed",
    "time": "2023-02-06T01:17:34.342Z",
    "title": "M 7.8 - Pazarcik earthquake, Kahramanmaras earthquake sequence",
    "tsunami": false,
    "updated": "2026-04-13T23:32:30.032Z",
    "url": "https://earthquake.usgs.gov/earthquakes/eventpage/us6000jllz"
  },
  "pager": {
    "alert_level": "red",
    "economic_alert": "red",
    "fatality_alert": "red",
    "max_mmi": 9,
    "review_status": "automatic",
    "source": "us",
    "summary_alert": "economic",
    "updated": "2023-04-14T18:13:56.124Z"
  },
  "shakemap": {
    "map_status": "automatic",
    "max_mmi": 9.537,
    "review_status": "automatic",
    "source": "us",
    "updated": "2025-09-03T17:52:20.993Z",
    "version": "19"
  },
  "source_url": "https://earthquake.usgs.gov/fdsnws/event/1/query?eventid=us6000jllz&format=geojson"
}

Firecrawl tools

3

Ready-made Firecrawl tools that call USGS Earthquake Catalog (ComCat).

Uses USGS Earthquake Catalog (ComCat), ArcGIS public GIS layers, Alberta Energy Regulator (aer.ca)Disposal well seismicity checkUse when a saltwater disposal operations engineer or regulatory geologist needs to review earthquake activity near a disposal well before a permit renewal or rate increase. Reads recent and historic quakes around the well, details of the largest event, any regulator GIS layers for seismic response areas and, in Alberta, regulator guidance.5 toolsOpen
Uses USGS Earthquake Catalog (ComCat), WHO Global Health Observatory, World Bank Data, OpenStreetMap, UN Global Marketplace+1Earthquake health response first lookUse when a humanitarian health cluster coordinator or NGO medical lead needs a first look within hours of a major earthquake. Reads the USGS event and impact alert, the country's health workforce and hospital bed indicators, maps hospitals near the epicentre, and finds open UN medical supply tenders, producing a sourced situation note.7 toolsOpen
Uses USFS Wildfire Risk to Communities, ArcGIS public GIS layers, NOAA National Hurricane Center (nhc.noaa.gov), USGS Earthquake Catalog (ComCat)Insurance renewal hazard file for a property managerUse when a property manager or owner's risk lead is preparing for a property insurance renewal and wants hazard evidence for each building. Reads wildfire risk, the FEMA flood zone from public ArcGIS layers, nearby hurricane tracks from the National Hurricane Center and recent earthquakes from USGS. Produces a per-building hazard sheet to send the broker with the renewal.7 toolsOpen

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Quality, speed and cost, last 24 hours, across every agent call to USGS Earthquake Catalog (ComCat) through Alexandria.

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