{"uid":"cap_VCTE39L5D8eqSIFaz0wMm","slug":"steward-earthquake-feed-usgs-comcat-62cbf6c8","name":"Steward Earthquake Feed (USGS ComCat)","description":"Use when an agent needs recent earthquakes — magnitude, place, time, depth, and tsunami flags from the USGS ComCat feed (US public domain). Filter by minimum magnitude, a lat/lon + radius circle, and a date range. Preliminary data — the response says so. Use permitted: build it into your products and services, paid or free. Raw redistribution of the feed itself is prohibited.","url":"https://pay.brianbooms.com/api/v1/data/earthquakes?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"limit":{"type":"string","description":"Max events, 1-100. Default 10."},"endtime":{"type":"string","description":"End date YYYY-MM-DD. Example: 2026-10-01"},"latitude":{"type":"string","description":"Circle center latitude, -90 to 90. Example: 30.27"},"longitude":{"type":"string","description":"Circle center longitude, -180 to 180. Example: -97.74"},"starttime":{"type":"string","description":"Start date YYYY-MM-DD. Example: 2026-09-01"},"maxradiuskm":{"type":"string","description":"Circle radius in km, up to 20000. Example: 500"},"minmagnitude":{"type":"string","description":"Minimum magnitude 0-10. Example: 4.5"}},"additionalProperties":true},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZWAffIi0r465qmqUZwHdk","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns recent earthquake events from the USGS ComCat feed, filterable by minimum magnitude, geographic circle, and date range.","exampleAgentPrompt":"Pull the last 20 earthquakes of magnitude 4.5 or higher within 500 km of Los Angeles (34.05, -118.24) from September 1 to October 1 2026, and flag any with tsunami warnings.","exampleUseCases":[{"title":"Post-event regional seismic check","prompt":"Were there any earthquakes magnitude 5.0 or above within 300 km of Tokyo (35.68, 139.69) in the past two weeks? Show me up to 25 events and note any tsunami flags."},{"title":"Disaster response situational awareness","prompt":"I need all earthquakes of magnitude 4.0 or greater that happened between January 1 and January 31 2026 anywhere near the Turkey–Syria border — center around 37.0, 36.5 with a 400 km radius, give me up to 50 events."},{"title":"Background seismicity research","prompt":"Get me the 10 biggest earthquakes worldwide (minimum magnitude 6.0) between March 1 and March 31 2026 — I want the magnitude, location, time, depth, and whether any triggered a tsunami warning."}],"resultDescription":"A list of earthquake events (up to the requested limit) each containing: magnitude, descriptive place name, UTC event time, depth in km, and a tsunami flag. Data is labeled as preliminary per USGS ComCat policy.","failureModes":["Invalid date format returns a 400 error","Latitude or longitude out of range causes a 400 error","maxradiuskm exceeding 20000 may be rejected","minmagnitude outside 0–10 range may be rejected","No events matching the filters returns an empty result set","USGS ComCat upstream outage may cause 502 or timeout","limit outside 1–100 range may be clamped or rejected"],"whenToPreferThis":"Choose this endpoint when your agent needs structured, filterable earthquake data sourced directly from the authoritative USGS ComCat feed, especially when you need geographic circle filtering, magnitude thresholds, or date-range scoping in a single paid API call without managing USGS API keys. It is well-suited for real-time hazard monitoring, disaster-response pipelines, and geospatial enrichment workflows. Avoid when you need authoritative (non-preliminary) final reviewed data, historical bulk downloads, or raw feed redistribution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-02T12:30:57.901Z","isFirstParty":false,"canonicalSlug":"steward-earthquake-feed-usgs-comcat-62cbf6c8"}