{"uid":"cap_FF6hZww8sgUouZNIne7ix","slug":"usgs-real-time-earthquake-feed-5c11c205","name":"USGS Real-Time Earthquake Feed","description":"Real-time earthquake feed. Recent seismic events from USGS with magnitude, location, depth, and tsunami flag, filterable by magnitude, time, and radius.","url":"https://api.kadec0.xyz/v1/usgs-quakes","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"limit":{"type":"string","default":"50"},"endtime":{"type":"string","description":"ISO date/time"},"latitude":{"type":"string","description":"radius search center lat (needs longitude+maxradiuskm)"},"longitude":{"type":"string"},"starttime":{"type":"string","description":"ISO date/time (default: 24h ago)"},"maxradiuskm":{"type":"string"},"minmagnitude":{"type":"string","default":"2.5"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_7SLJJoMdIizazR_hgLn0k","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches recent seismic events from the USGS earthquake catalog, filterable by magnitude, time range, and geographic radius, with tsunami flags.","exampleAgentPrompt":"What earthquakes of magnitude 4.0 or higher occurred within 300 km of San Francisco over the past 3 days — include any tsunami warnings?","exampleUseCases":null,"resultDescription":"A list of recent earthquake events from the USGS catalog, each with magnitude, location name, coordinates, depth, event timestamp, and a tsunami flag, filtered according to the requested magnitude threshold, time window, and geographic radius.","failureModes":["No events found matching filters — returns empty list","Invalid ISO date format for starttime/endtime — returns 400 error","latitude/longitude provided without maxradiuskm — radius search ignored or error","minmagnitude below USGS threshold may return very large result sets","Service unavailable if USGS upstream feed is down"],"whenToPreferThis":"Use this endpoint when you need live or recent USGS earthquake data with flexible filtering by magnitude, time, and geography. Prefer this over static datasets when real-time seismic monitoring or event-driven alerting is needed, and over general web search when structured, machine-readable earthquake records are required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:42:55.683Z","isFirstParty":false}