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Glacier above Kodāri collapses into debris flow — USGS: landslide, not an earthquake

Origin Lane: climate55 km NW of Kodāri, Nepal

What first hit seismic catalogs as a magnitude 4.4 earthquake was not an earthquake. The U.S. Geological Survey has reviewed event us7000tbwb and typed it landslide: a glacial collapse and debris flow 55 km northwest of Kodāri, Nepal. Reviewed magnitude is 5.2. Depth is 0. No tsunami.

USGS origin 28.271°N, 85.515°E. Location estimated from satellite images (USGS). Tiles © Esri. Source map
Origin
Aug 25, 2026, 10:52 PM EDT
Magnitude
5.2 (ms_vx)
Type
landslide — glacial collapse
Coordinates
28.271°N, 85.515°E
Tsunami
0
Status
reviewed

The seismic event was instead a glacial collapse and debris flow, and no earthquake had occurred.

USGS reviewed analysis, us7000tbwb

USGS reviewed header: the event was initially reported as a magnitude 4.4 earthquake. Additional analysis of long period seismic waves indicates that the seismic energy was instead generated by a glacial collapse and debris flow. The location was estimated from satellite images.

Key points (USGS, updated Aug 26, 2026, 2:44 PM EDT)

  • A magnitude 5.2 seismic event occurred near the border between Nepal and China on Aug 26 at 8:37 AM local time (10:52 AM China Standard Time).
  • The USGS determined that the seismic event was a glacial collapse and debris flow that caused subsequent catastrophic impacts downstream.
  • This event was initially reported as a magnitude 4.4 earthquake. Additional analysis of nearby seismic stations, long period seismic waves, and satellite imagery led to the determination that the seismic event was instead a glacial collapse and debris flow, and that no earthquake had occurred.

Why it matters

Mislabeled seismic events are often treated as earthquakes in headlines and live monitors. Event us7000tbwb was first reported as a magnitude 4.4 earthquake; the official USGS product is type landslide — glacial collapse and debris flow — with no earthquake. Cite the USGS type field and the reviewed event page, not the first catalog line. USGS still reports subsequent catastrophic impacts downstream from the collapse and debris flow.

Sources

Official data. Not a forecast. Endtimes badge not used on this note.

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