The 1933 Diexi earthquake occurred in Diexi, Mao County, Sichuan, Republic of China on August 25 with a moment magnitude of 7.3 and a maximum Mercalli intensity of X (Extreme). With up to 9,300 killed, this was the deadliest earthquake in 1933.

This earthquake destroyed the town of Diexi and surrounding villages, and caused many landslides. The old town of Diexi was submerged in landslide dam-created Diexi Lake.

1933 Diexi earthquake
Mikenorton · CC BY-SA 3.0 via Wikimedia Commons
1933 Diexi earthquake
Uwe Dedering · CC BY-SA 3.0 via Wikimedia Commons
1933 Diexi earthquake
Marty Bahamonde · Public domain via Wikimedia Commons