Firecrawl Alexandria

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 ready-made skills use USGS Earthquake Catalog (ComCat)

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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"
}

Use cases

3

Built-in skills that call USGS Earthquake Catalog (ComCat).

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