{"uid":"cap_WV-Jo48yyXDNNomdghDVE","slug":"clearcheck-earthquake-activity-lookup-fff5cb75","name":"ClearCheck Earthquake Activity Lookup","description":"Recent earthquakes near a point: count, strongest, closest, and whether anything was significant enough to matter.","url":"https://loonie-toll.onrender.com/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"],"type":"string"},"queryParams":{"type":"object","required":["lat","lon"],"properties":{"lat":{"type":"number","description":"Latitude, decimal degrees"},"lon":{"type":"number","description":"Longitude, decimal degrees"},"days":{"type":"integer","description":"Lookback window in days, default 30"},"radiusKm":{"type":"integer","description":"Search radius in km, default 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recent earthquake activity near a geographic point, including count, strongest event, closest event, and a significance verdict.","exampleAgentPrompt":"Can you check for any recent earthquakes within 150 km of Seattle (47.6062° N, 122.3321° W) over the past 14 days, minimum magnitude 2.5, and tell me if anything significant happened?","exampleUseCases":[{"title":"Real estate seismic risk check","prompt":"Before I finalize buying a house in Portland, Oregon — coordinates 45.5051° N, 122.6750° W — can you look up any earthquakes within 200 km over the last 30 days and tell me if anything was significant enough to worry about?"},{"title":"Travel safety briefing before a trip","prompt":"I'm flying to Tokyo next week — can you check recent seismic activity within 300 km of 35.6762° N, 139.6503° E over the last 30 days, minimum magnitude 2.5, and flag anything that looks serious?"},{"title":"Post-event situational awareness","prompt":"I just felt a small tremor near San Jose, California — coordinates 37.3382° N, 121.8863° W — can you pull up all earthquakes within 100 km in the last 7 days and show me the strongest and closest ones?"}],"resultDescription":"Returns a structured response with the query parameters echoed back, total earthquake counts (overall, magnitude 4+, magnitude 5+), details on the closest and strongest events (time, place, magnitude, depth, distance, felt reports, tsunami flag, significance score), a full list of matching events, a verdict string (e.g. CLEAR or SIGNIFICANT), and an array of human-readable reasons supporting the verdict.","failureModes":["Missing required lat/lon parameters returns a 400 error","Coordinates outside valid range (lat ±90, lon ±180) may return empty results or an error","No earthquakes found for the given radius/time/magnitude filters returns zero counts with a CLEAR verdict","USGS upstream data unavailability may cause 502 or timeout responses","Very large radius or long lookback window may increase latency or hit data limits"],"whenToPreferThis":"Use this endpoint when you need a fast, pre-summarized verdict on earthquake activity near a specific geographic point — especially when you want counts, strongest/closest highlights, and a significance verdict without manually parsing raw USGS feeds. Prefer this over raw USGS APIs when you need a clean, agent-consumable JSON summary with a verdict and reasons rather than raw GeoJSON event lists.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:38:53.747Z","isFirstParty":false}