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USGS Earthquake API

earthquake.usgs.gov · Science

Science No Auth Free & Open Earthquakes Geology Science

Real-time and historical earthquake data from USGS — magnitude, depth, location, and felt reports. GeoJSON and CSV output. Free, no API key.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Recent earthquakes

Get magnitude 5+ earthquakes in the past week.

https://earthquake.usgs.gov/fdsnws/event/1/query?format=geojson&endtime=2026-06-08&starttime=2026-06-01&minmagnitude=5

Hover any highlighted part to learn what it does

curl -X GET "https://earthquake.usgs.gov/fdsnws/event/1/query?format=geojson&endtime=2026-06-08&starttime=2026-06-01&minmagnitude=5"
import requests
params = {
    "format": "geojson",
    "endtime": "2026-06-08",
    "starttime": "2026-06-01",
    "minmagnitude": "5"
}
response = requests.get(
    "https://earthquake.usgs.gov/fdsnws/event/1/query",
    params=params,
)
print(response.json())
const url = new URL('https://earthquake.usgs.gov/fdsnws/event/1/query');
url.searchParams.set('format', 'geojson');
url.searchParams.set('endtime', '2026-06-08');
url.searchParams.set('starttime', '2026-06-01');
url.searchParams.set('minmagnitude', '5');

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://earthquake.usgs.gov/fdsnws/event/1/query")
	q := baseURL.Query()
	q.Set("format", "geojson")
	q.Set("endtime", "2026-06-08")
	q.Set("starttime", "2026-06-01")
	q.Set("minmagnitude", "5")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://earthquake.usgs.gov/fdsnws/event/1/query")
uri.query = URI.encode_www_form({
  "format" => "geojson",
  "endtime" => "2026-06-08",
  "starttime" => "2026-06-01",
  "minmagnitude" => "5"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://earthquake.usgs.gov/fdsnws/event/1/query?" . http_build_query([
    "format" => "geojson",
    "endtime" => "2026-06-08",
    "starttime" => "2026-06-01",
    "minmagnitude" => "5"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. No API key needed
  2. Recent M5+: GET /query?format=geojson&starttime=2026-06-01&minmagnitude=5
  3. Near location: add &latitude=35.68&longitude=139.76&maxradiuskm=200
  4. Count only: GET /count?format=geojson&starttime=2026-06-01
  5. Formats: geojson, csv, text, xml

Open documentation ↗