Geoscience & Environment · Data API

Global Significant Earthquakes

A global feed of significant earthquake events, updated in near real-time.

Provides magnitude, location, depth, and impact metadata for major earthquakes worldwide. Critical data for insurance, reinsurance, disaster response organizations, and global supply chain risk management.

Get API key View docs

Source: USGS Earthquake Catalog · Public Domain · U.S. Geological Survey

Endpoints

Every request is authenticated with your X-API-Key and counted against your plan.

GET /v1/data/global-significant-earthquakes
GET /v1/data/global-significant-earthquakes/search?q=...
GET /v1/data/global-significant-earthquakes/{key}

Base path /v1/data/global-significant-earthquakes · full reference in the interactive docs. Also exposed as an MCP tool for AI agents.

Fields

Field	Type	Description
event_id	str	The unique identifier for the earthquake event.
event_time_utc	str	The time the event occurred in ISO 8601 format (UTC).
latitude	float	The latitude of the earthquake's epicenter.
longitude	float	The longitude of the earthquake's epicenter.
depth_km	float	The depth of the event in kilometers.
magnitude	float	The magnitude of the earthquake.
magnitude_type	str	The method or scale used to calculate magnitude (e.g., 'mw', 'ml').
place_description	str	A human-readable description of the event's location.
tsunami_alert	int	Indicates if a tsunami alert was issued (1 for yes, 0 for no).
status	str	The review status of the event, e.g., 'automatic' or 'reviewed'.

What you get

Data sourced directly from the authoritative USGS feed.

Includes all significant global earthquakes.

Updated every 5 minutes.

Rich metadata including depth, magnitude type, and tsunami alerts.

Clean, consistent, and easy-to-use format.

FAQ

What does 'significant' mean?: The USGS defines 'significant' based on a combination of magnitude, location, and felt reports, indicating a higher potential for impact.

Pricing

Simple, transparent pricing

Start free, upgrade when you need more. All plans include full API access.

Free

$0forever

Get started and explore the API

100 requests/day

100 API requests per day
All endpoints included
Community support

Get Started

Pro

$9/month

For production apps and AI agents

10,000 requests/day

10,000 API requests per day
All endpoints included
Priority support
Usage dashboard

Upgrade to Pro

Enterprise

$49/month

Unlimited access for high-volume use

Unlimited requests

Unlimited API requests
All endpoints included
Priority support
Usage dashboard
Dedicated support channel

Go Enterprise

Getting Started

Start building in minutes

Register

Create an account to get your API key. It's free — no credit card required.

curl -X POST https://api.aristocles.com.au/v1/auth/register \
  -H "Content-Type: application/json" \
  -d '{"email": "you@example.com", "name": "Your Name"}'

Make a request

Use your API key in the X-API-Key header to authenticate requests.

curl https://api.aristocles.com.au/v1/data/asx \
  -H "X-API-Key: your_api_key_here"

Upgrade

Need more requests? Upgrade to Pro or Enterprise — you'll be redirected to Stripe Checkout.

curl -X POST "https://api.aristocles.com.au/v1/billing/checkout?tier=pro" \
  -H "X-API-Key: your_api_key_here"

Check usage

Monitor your daily request count and remaining quota at any time.

curl https://api.aristocles.com.au/v1/usage \
  -H "X-API-Key: your_api_key_here"