Qualla: 1692 Jamaica Earthquake

1692 Jamaica Earthquake: Introduction

Fri, 06 Mar 2026 00:00:00 GMT

A pocket watch ticked its last at 11:43 in the morning. For 267 years it lay on the harbor floor, its hands frozen at the exact moment Port Royal ceased to exist. When divers recovered the timepiece during a 1959 expedition led by Edwin Link, they held in their hands the most precise archaeological timestamp of any disaster in colonial history. The watch, made by the French craftsman Blondel around 1686, had been keeping time in a city that called itself the storehouse and treasury of the West Indies. It stopped keeping time when the sand beneath that city turned to liquid and poured everything built upon it into the Caribbean Sea.

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1692 Jamaica Earthquake: The Wickedest City on Earth

Fri, 06 Mar 2026 00:00:00 GMT

Before the earthquake, Port Royal was the commercial capital of the English Caribbean and, by contemporary accounts, the most sinful. Some 6,500 people lived in roughly 2,000 buildings, many of them multi-story brick structures that would have looked at home in London. Taverns, b...

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1692 Jamaica Earthquake: When the Sand Came Alive

Fri, 06 Mar 2026 00:00:00 GMT

Three shocks struck in rapid succession on June 7, 1692, each more violent than the last. Port Royal was built entirely on loose sand, a geological fact that sealed its fate. During the main shock, the sand liquefied. Witnesses described it forming waves, rolling like the sea it ...

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1692 Jamaica Earthquake: The Sea Withdraws, Then Returns

Fri, 06 Mar 2026 00:00:00 GMT

As the shaking continued, the sea behaved strangely. At Liguanea the water pulled back roughly 300 yards from shore. At Yallahs, a full mile of seabed lay exposed. Then the water returned as a six-foot wall that swept across the coastal lowlands. Scientists now believe the tsunam...

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1692 Jamaica Earthquake: A City That Never Recovered

Fri, 06 Mar 2026 00:00:00 GMT

Port Royal was partially rebuilt in the years after the earthquake, but the damage went deeper than rubble. The colonial government relocated to Spanish Town, which had served as capital under Spanish rule. In 1703, fire swept through what remained of Port Royal. A hurricane batt...

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1692 Jamaica Earthquake: The Fault That Waits

Fri, 06 Mar 2026 00:00:00 GMT

The Enriquillo-Plantain Garden fault system that destroyed Port Royal has not gone quiet. It has simply been storing energy. Modern GPS measurements of Jamaica's deformation suggest that enough strain has accumulated along the fault to produce another earthquake of magnitude 7.0 ...

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