Find recent USGS earthquake observations by time window and minimum magnitude, with event
Find recent USGS earthquake observations by time window and minimum magnitude, with event identifiers, source times and revision status.
10000 (raw units)
price
1
calls / 30d
1
unique payers
2026-09-06
updated
Provider
foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
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"network": "eip155:8453",
"payTo": "0x25e8245f07d5e4873987293dad666afbe56a9608",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"body": {
"hours": 24,
"limit": 5,
"minimum_magnitude": 2.5
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"example": {
"observed_at": "2026-09-06T00:00:00Z",
"result": {
"freshness": {
"cacheAgeSeconds": 0,
"maximumCacheSeconds": 30,
"recordAgeIsNotRetrievalAge": true,
"retrievedAt": "2026-09-06T00:00:00Z",
"state": "CURRENT_RETRIEVAL"
},
"normalizedResult": [],
"observedAt": "2026-09-06T00:00:00Z",
"provenance": {
"attribution": "US Geological Survey and the contributing seismic network identified in each record",
"documentationUrl": "https://earthquake.usgs.gov/fdsnws/event/1/",
"license": "US public-domain earthquake facts; no third-party media",
"limitations": [
"Illustrative empty result; no live data claim."
],
"modifications": "Selected factual fields, normalized names and bounded result count; no source ownership claimed.",
"termsUrl": "https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits",
"truncated": false,
"upstreamCalls": 1
},
"query": {
"hours": 24,
"limit": 5,
"minimum_magnitude": 2.5
},
"rawSourceIdentifiers": [],
"source": "USGS Earthquake Catalog",
"sourceProcessedAt": null,
"sourceUpdatedAt": null,
"sourceUrl": "https://earthquake.usgs.gov"
},
"route": "usgs-recent-earthquakes"
},
"type": "json"
}
},
"schema": {
"properties": {
"input": {
"properties": {
"body": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"hours": {
"default": 24,
"maximum": 168,
"minimum": 1,
"type": "integer"
},
"limit": {
"default": 10,
"maximum": 20,
"minimum": 1,
"type": "integer"
},
"minimum_magnitude": {
"default": 2.5,
"maximum": 10,
"minimum": -2,
"type": "number"
}
},
"required": [
"hours",
"minimum_magnitude",
"limit"
],
"type": "object"
},
"bodyType": {
"const": "json"
},
"method": {
"const": "POST"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"observed_at": {
"format": "date-time",
"type": "string"
},
"result": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"additionalProperties": false,
"properties": {
"freshness": {
"additionalProperties": false,
"properties": {
"cacheAgeSeconds": {
"minimum": 0,
"type": "number"
},
"maximumCacheSeconds": {
"minimum": 0,
"type": "number"
},
"recordAgeIsNotRetrievalAge": {
"const": true,
"type": "boolean"
},
"retrievedAt": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"state": {
"const": "CURRENT_RETRIEVAL",
"type": "string"
}
},
"required": [
"retrievedAt",
"cacheAgeSeconds",
"maximumCacheSeconds",
"state",
"recordAgeIsNotRetrievalAge"
],
"type": "object"
},
"normalizedResult": {
"items": {
"additionalProperties": {},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"maxItems": 25,
"type": "array"
},
"observedAt": {
"format": "date-time",
"pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z))$",
"type": "string"
},
"provenance": {
"additionalProperties": false,
"properties": {
"attribution": {
"type": "string"
},
"documentationUrl": {
"format": "uri",
"type": "string"
},
"license": {
"type": "string"
},
"limitations": {
"items": {
"type": "string"
},
"type": "array"
},
"modifications": {
"type": "string"
},
"termsUrl": {
"format": "uri",
"type": "string"
},
"truncated": {
"type": "boolean"
},
"upstreamCalls": {
"maximum": 2,
"minimum": 1,
"type": "integer"
}
},
"required": [
"attribution",
"license",
"termsUrl",
"documentationUrl",
"modifications",
"limitations",
"upstreamCalls",
"truncated"
],
"type": "object"
},
"query": {
"additionalProperties": {},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"rawSourceIdentifiers": {
"items": {
"type": "string"
},
"maxItems": 25,
"type": "array"
},
"source": {
"type": "string"
},
"sourceProcessedAt": {
"type": [
"string",
"null"
]
},
"sourceUpdatedAt": {
"type": [
"string",
"null"
]
},
"sourceUrl": {
"format": "uri",
"type": "string"
}
},
"required": [
"observedAt",
"source",
"sourceUrl",
"sourceUpdatedAt",
"sourceProcessedAt",
"query",
"normalizedResult",
"rawSourceIdentifiers",
"freshness",
"provenance"
],
"type": "object"
},
"route": {
"const": "usgs-recent-earthquakes"
}
},
"required": [
"route",
"observed_at",
"result"
],
"type": "object"
},
"type": {
"const": "json"
}
},
"required": [
"type",
"example"
],
"type": "object"
}
},
"required": [
"input",
"output"
],
"type": "object"
}
}
}Use it
curl
curl "https://foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v2/official/usgs-recent-earthquakes" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v2/official/usgs-recent-earthquakes");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://foundry-par007-machine-revenue-mainnet.inference-chip-index.workers.dev/v2/official/usgs-recent-earthquakes")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
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