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official data (USGS NEIC) · significant feed

USGS stamps an M6.4 in Papua New Guinea — significant feed, green alert

Origin Lane: climate49 km NNE of Kainantu, Papua New Guinea

A reviewed USGS M6.4 hit under Papua New Guinea this morning — 49 km NNE of Kainantu, about 104 km deep — and landed on the official significant quake feed. PAGER alert is green. Tsunami flag is off. People nearby felt it.

USGS epicenter us7000tiqc — 49 km NNE of Kainantu, Papua New Guinea (146.0922°, −5.9021°), depth ~104 km. Source map
USGS ShakeMap intensity for us7000tiqc (M6.4 near Kainantu, Papua New Guinea)
USGS ShakeMap intensity for us7000tiqc (M6.4 near Kainantu, Papua New Guinea). Public domain U.S. government work. USGS ShakeMap
Event
us7000tiqc · status reviewed · magType mww
Preferred magnitude
M 6.4 mww
Origin
2026-09-20 09:17:35 UTC (~5:17 AM EDT)
Epicenter
49 km NNE of Kainantu, Papua New Guinea · 146.0922°, −5.9021° · depth 104.329 km
Products
origin, phase-data, moment-tensor, DYFI, ShakeMap, ground-failure, PAGER
Flags at fetch
tsunami 0 · alert green · felt 16 · cdi 5.6 · mmi ~5.213 · sig 639
Feeds
USGS significant_hour + significant_day (official significant)
Live
Revisions → live USGS HUD / event page

M6.4 on the official significant feed, green PAGER, tsunami flag off — a big number that still reads as an intermediate-depth inland hit under PNG.

Desk reading of USGS us7000tiqc

USGS reviewed event us7000tiqc puts a M6.4 mww at 09:17:35 UTC on September 20 — about 5:17 AM Eastern — 49 km NNE of Kainantu, Papua New Guinea, at depth 104.329 km. PAGER alert green. Tsunami flag 0. DYFI: 16 felt reports, CDI 5.6, MMI about 5.2. Significance 639. The event appears in USGS significant_hour and significant_day feeds. Products at fetch: origin, phase-data, moment-tensor, DYFI, ShakeMap, ground-failure, PAGER. Distinct from boarded Aleutians M6.5 us7000ti1p.

Attribution: USGS NEIC event us7000tiqc (event page + detail GeoJSON + ShakeMap intensity). Live mag/depth/PAGER revisions → HUD / USGS eventpage. Not inventing casualties, aftershock counts, or coastal wave heights.

Why it matters

A reviewed M6.4 on the USGS significant feed is the interrupt meter: big enough to light the board, deep enough that the tsunami flag stayed off and PAGER stayed green. Mom-readable dread is the stamp itself — watch the USGS event page if mag, depth, or alert revise.

Sources

Official data. Live values go to the HUD / source product.

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