The 1948 Salta earthquake was a major seismic movement that took place in the province of Salta, Argentina on 25 August 1948, at 06:09:23 a.m. It recorded magnitude 7.0 in the Richter scale. Its epicenter was located in the east of the province at a depth of 50 km. It had a felt intensity of IX on the Mercalli intensity scale (VIII on the Modified Mercalli scale).
The earthquake caused property damage and casualties in several towns in the east and southeast of Salta and also in northern Tucumán and Jujuy, affecting the capitals of both. It was the last major earthquake recorded in the Argentine Northwest, until the 2010 Salta earthquake.