Volcano Activity
Volcano hazard API: every US volcano currently at an elevated alert level — alert level (NORMAL/ADVISORY/WATCH/WARNING), aviation color code, observatory, and latest notice time — as normalized JSON. Covers Alaska, Hawaii, the Cascades, Yellowstone, and the Mariana Islands. Use for aviation routing, hazard-monitoring dashboards, and risk-alert agents. Public-domain government data, cached 5 minutes. Returns an empty list when no volcanoes are elevated.
POST https://x402.forgemesh.io/volcano-activity
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