August 23, 1950: The Flood After the Great Assam Earthquake

Today in 1950 · Wednesday, August 23, 1950

Crew on the deck of a Brahmaputra River steamer, Assam region, 1895 — the river basin devastated by the 1950 earthquake

Crew on the deck of a Brahmaputra River steamer, Assam region, 1895 — the river basin devastated by the 1950 earthquake · William Henry Jackson, Library of Congress, public domain, via Wikimedia Commons

In late August 1950, the aftermath of one of the strongest earthquakes ever recorded was still unfolding in northeast India. The magnitude 8.6 Assam-Tibet earthquake of August 15 — among the ten most powerful instrumentally recorded quakes in history — had sent enormous landslides into Himalayan river valleys, damming rivers including the Subansiri.

About a week after the quake, the natural dam on the Subansiri burst. An eyewitness account preserved by the Assam Times records that the river 'remained blocked for five days' before a midnight flood surged through with twelve to fourteen feet of water, obliterating everything in its path. In the villages of Torajan and Ghasigaon, the account says, there were no survivors — not even animals. More than a dozen settlements were destroyed, and most accounts put the flood's death toll at 532.

Prime Minister Jawaharlal Nehru described the disaster in words preserved by the Berkeley Seismology Lab: the floods 'came down with rush and a roar, a high wall of water sweeping down and flooding large areas and washing away villages.' The 1950 quake remains a benchmark event in world seismology.

Also on this day

  • In the United States, preparations continued for the possible federal seizure of the railroads as a nationwide strike deadline approached.

🎵 On the radio that week: America’s No. 1 song was “Goodnight Irene” by Gordon Jenkins and The Weavers (Billboard best sellers) — Billboard's top record of 1950, topping the sales, jukebox and disc-jockey charts alike. That sound never really left — we recreate 1950s doo-wop and slow-dance ballads every week: read the stories behind our songs or listen on the lovesong1950s channel.
🎬 At the movies: MGM's “Annie Get Your Gun” was three months into its run and still among the nation's twelve biggest grossers — Betty Hutton starring after an exhausted Judy Garland was let go mid-production.
In sports: The Yankees struck the first blow of the AL stretch drive, taking two of three from first-place Detroit at Yankee Stadium — a 13-6 rout and a 7-5 win trimming the Tigers' lead to 1.5 games.

Betty Hutton as Annie Oakley in the trailer for Annie Get Your Gun (1950)

Betty Hutton as Annie Oakley in the trailer for Annie Get Your Gun (1950) · MGM trailer screenshot, public domain (published without copyright notice), via Wikimedia Commons

Sources: Assam Times: eyewitness account · Berkeley Seismology Lab: Assam 1950 · Wikipedia: August 1950 · Billboard best-seller charts, 1950 (issue scans) · Variety National Boxoffice Survey, 1950 (Lantern scans) · Retrosheet 1950 game logs and box scores. Every fact above is drawn from the records linked here — no dramatization, no invented details.

More from this series: Today in 1950 — the daily archive · every post from August 2026

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