{"uid":"cap_uXDAzJACEEfiHJnHe_nUE","slug":"usgs-significant-earthquakes-feed-61f08f3b","name":"USGS Significant Earthquakes Feed","description":"USGS earthquakes (significant, past month) with magnitude, location, depth, tsunami flag, and a 1-10 significance score. Filter ?min_significance=8 for the largest events.","url":"https://oracles-production.up.railway.app/v1/earthquakes-significant/changes","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"],"type":"string"},"queryParams":{"type":"object","properties":{"limit":{"type":"integer","maximum":500,"minimum":1},"since":{"type":"string","format":"date-time","description":"Only changes detected after this ISO-8601 instant"},"min_significance":{"type":"integer","maximum":10,"minimum":1,"description":"Keep only changes scored at least this"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"count":{"type":"integer"},"source":{"type":"string"},"changes":{"type":"array","items":{"type":"object","properties":{"type":{"type":"string"},"title":{"type":"string"},"detail":{"type":"object"},"summary":{"type":"string"},"entityId":{"type":"string"},"sourceUrl":{"type":["string","null"],"description":"Primary-source link for verification"},"detectedAt":{"type":"string","format":"date-time"},"significance":{"type":"integer","maximum":10,"minimum":1},"effectiveDate":{"type":["string","null"]}}}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VCmCHAQft6OjSh4QGg1rf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns USGS significant earthquakes from the past month with magnitude, location, depth, tsunami flag, and a 1–10 significance score, with optional filtering by minimum significance and time window.","exampleAgentPrompt":"What are the most significant earthquakes from the past month? Show me only the ones with a significance score of 8 or higher, up to 20 results.","exampleUseCases":null,"resultDescription":"A JSON object with a count, source attribution, and an array of earthquake change events — each containing an entityId, title, summary, detectedAt timestamp, effectiveDate, a 1–10 significance score, a detail object with magnitude/location/depth/tsunami flag, and a sourceUrl linking to the USGS event page.","failureModes":["Invalid min_significance value outside 1–10 range returns a 400 error","Invalid since date-time format returns a 400 validation error","No earthquakes matching filters returns an empty changes array with count 0","Payment not included or insufficient returns 402 Payment Required","Service downtime or upstream USGS API unavailability returns 5xx error"],"whenToPreferThis":"Choose this endpoint when you need a scored, pre-filtered list of globally significant earthquakes from USGS with a structured significance ranking (1–10), especially when you want to programmatically threshold on importance (e.g. only score ≥ 8) or detect changes since a specific timestamp. Prefer this over raw USGS feeds when you want normalized significance scoring and change-detection semantics rather than raw earthquake catalog queries.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:05:43.378Z","isFirstParty":false}