Qualla: 1947 Dustabad Earthquake

1947 Dustabad Earthquake: Introduction

Wed, 25 Mar 2026 00:00:00 GMT

Dustabad sat where it had always sat - a small settlement in the dry uplands of northeastern Iran, between the Dasht-e-Lut desert and the mountains of South Khorasan. Its residents built with what the land offered: mud brick, timber, stone. On September 23, 1947, the ground beneath them ruptured along the Ferdows Thrust fault. The earthquake registered magnitude 6.9. Three days later, a 6.1 aftershock struck from a second fault nearby. Between the two events, Dustabad was completely leveled and an estimated five hundred people were dead across the region.

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1947 Dustabad Earthquake: Where the Plates Grind

Wed, 25 Mar 2026 00:00:00 GMT

Iran sits squarely within the Alpide belt, the vast orogenic zone that stretches from the Mediterranean to Southeast Asia. The country's seismic restlessness traces back to a single enormous process: the Arabian Plate driving northward into the Eurasian Plate, an oblique collisio...

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1947 Dustabad Earthquake: Two Blows in Three Days

Wed, 25 Mar 2026 00:00:00 GMT

The mainshock struck on September 23, most likely originating along the Ferdows Thrust. Villages along the fault's strike were flattened. In Dustabad itself, two hundred people died and another hundred were injured. In Charmeh, eight were killed. In Sarayan, two. The affected are...

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1947 Dustabad Earthquake: Seven Villages at Severity VIII

Wed, 25 Mar 2026 00:00:00 GMT

The Modified Mercalli intensity scale measures an earthquake not by its energy but by its effects on structures and people. Intensity VIII - classified as "Severe" - means heavy damage to ordinary buildings, walls thrown out of frame, chimneys and columns toppled. Seven villages ...

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1947 Dustabad Earthquake: The Quiet After

Wed, 25 Mar 2026 00:00:00 GMT

Northeastern Iran in 1947 was remote by any measure. The villages around Dustabad were small, their populations counted in hundreds rather than thousands. News of the disaster traveled slowly, and the historical record reflects that remoteness - geologist Manuel Berberian later n...

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