{"url_path":"/climate/earthquakes/us7000sp3d","section_key":"event","section_title":"M4.2 — 179 km W of Neiafu, Tonga","topic":"climate","document":{"doc_type":"earthquake","doc_date":"2026-05-21","source_url":"https://earthquake.usgs.gov/earthquakes/eventpage/us7000sp3d","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"179 km W of Neiafu, Tonga"},"word_count":27,"has_tables":false,"body_markdown":"# M4.2 mb — 179 km W of Neiafu, Tonga\n\n**Event ID:** us7000sp3d\n**Time:** 2026-05-21T18:24:55.658Z\n**Location:** -18.6369, -175.6814\n**Depth:** 274.85 km\n**USGS significance score:** 271\n**Status:** reviewed\n**USGS event page:** https://earthquake.usgs.gov/earthquakes/eventpage/us7000sp3d"}