{"uid":"cap_R9ldMVU8_bUL1kMWkQYVp","slug":"saylor-innovations-data-desk-japan-earthquakes-b27f9cc5","name":"Saylor Innovations Data Desk – Japan Earthquakes","description":"Latest Japan Meteorological Agency earthquake reports - magnitude, depth, coordinates, place in English and maximum seismic intensity on the JMA scale","url":"https://saylorinnovations.com/api/hazards/japan-earthquakes?utm_source=zero.xyz","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":"string","description":"optional 1-25, default 10"},"min_mag":{"type":"string","description":"optional minimum magnitude, default 0"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string","const":"json"},"example":{"type":"object","required":["earthquakes"],"properties":{"note":{"type":"string","description":"Caveat or context for reading the result"},"count":{"type":"number","description":"Number of items returned"},"source":{"type":"string","description":"Data source the values come from"},"matches":{"type":"number","description":"Matching items"},"strongest":{"type":"object","description":"Strongest quake among the matches, including distant ones"},"earthquakes":{"type":"array","description":"Reports with time, English place, magnitude, maximum seismic intensity, depth, coordinates and event id"},"min_magnitude":{"type":"number","description":"Min magnitude"},"reports_scanned":{"type":"number","description":"Reports scanned"}}}}}}},"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_zUgYPy0HycgGnvgOPTFa-","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":"Fetches the latest Japan Meteorological Agency earthquake reports including magnitude, depth, coordinates, English place name, and maximum JMA seismic intensity","exampleAgentPrompt":"Can you pull the latest JMA earthquake reports from Japan — give me the 15 most recent ones with at least magnitude 3.5, including their depth, coordinates, English place name, and maximum seismic intensity?","exampleUseCases":[{"title":"Real-time Japan seismic hazard dashboard","prompt":"Fetch the 25 most recent earthquake reports from Japan so I can update my seismic hazard dashboard — include magnitude, JMA intensity, depth, and English place names."},{"title":"Alert for significant Japan earthquakes","prompt":"Check for any Japan earthquakes with a magnitude of 5.0 or higher from the latest JMA reports and tell me the strongest one, its depth, location, and seismic intensity."},{"title":"Research filtering low-magnitude quakes","prompt":"Get me up to 20 recent Japan earthquake reports with a minimum magnitude of 2.0, including their coordinates and JMA seismic intensity scale values, for my seismicity research."}],"resultDescription":"A JSON object containing an array of earthquake reports (time, English place name, magnitude, maximum JMA seismic intensity, depth, lat/lon coordinates, event ID), plus metadata: total count returned, number of matching reports scanned, minimum magnitude applied, the strongest quake among matches, data source attribution, and an optional explanatory note.","failureModes":["Invalid limit value (outside 1-25 range) may return an error or be clamped","Invalid min_mag value may be rejected or default to 0","If JMA source is temporarily unavailable, response may be stale or empty","No earthquakes matching the min_mag filter returns an empty earthquakes array","Network timeout if upstream JMA data feed is slow"],"whenToPreferThis":"Choose this endpoint when you need structured, English-language earthquake data specifically from Japan's official JMA source, including the JMA seismic intensity scale (not available from global sources like USGS). Best when you need recent events with magnitude filtering and want authoritative Japanese hazard data with minimal latency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T07:18:29.209Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-data-desk-japan-earthquakes-b27f9cc5"}