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Earthquakes (USGS)

U.S. Geological Survey earthquake catalog and real-time feeds (GeoJSON). Public domain.

endpoints
6
from
$0.001 / call
free tier
yes

Significant this week

Significant earthquakes worldwide in the past 7 days.

price
$0.001 / call
free tier
free allowance
MCP tool
earthquakes__significant-week
method
GET

GET https://fourzerotwo.si/v1/earthquakes/significant-week

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/significant-week"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/significant-week"

M4.5+ this week

Magnitude 4.5+ earthquakes worldwide in the past 7 days.

price
$0.001 / call
free tier
free allowance
MCP tool
earthquakes__m45-week
method
GET

GET https://fourzerotwo.si/v1/earthquakes/m45-week

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/m45-week"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/m45-week"

M2.5+ today

Magnitude 2.5+ earthquakes worldwide in the past day.

price
$0.001 / call
free tier
free allowance
MCP tool
earthquakes__m25-day
method
GET

GET https://fourzerotwo.si/v1/earthquakes/m25-day

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/m25-day"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/m25-day"

Earthquakes near a point

Earthquakes within a radius of a point since a date.

price
$0.002 / call
free tier
free allowance
MCP tool
earthquakes__near
method
GET

GET https://fourzerotwo.si/v1/earthquakes/near

ParamTypeDescription
latitude string Latitude
longitude string Longitude
maxradiuskm? integer Radius km (default 20001)
starttime? string YYYY-MM-DD
minmagnitude? string Minimum magnitude
# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/near?latitude=35.68&longitude=139.69"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/near?latitude=35.68&longitude=139.69"

Count earthquakes

How many earthquakes match a time and magnitude window.

price
$0.001 / call
free tier
free allowance
MCP tool
earthquakes__count
method
GET

GET https://fourzerotwo.si/v1/earthquakes/count

ParamTypeDescription
starttime string YYYY-MM-DD
minmagnitude? string Minimum magnitude
# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/count?starttime=2026-09-01"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/count?starttime=2026-09-01"

Earthquake detail

Full detail for one earthquake by USGS event id.

price
$0.001 / call
free tier
free allowance
MCP tool
earthquakes__event
method
GET

GET https://fourzerotwo.si/v1/earthquakes/event

ParamTypeDescription
eventid string USGS event id
# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/earthquakes/event?eventid=us7000pn9s"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/earthquakes/event?eventid=us7000pn9s"

Source: U.S. Geological Survey Earthquake Hazards Program. Public domain.