Weird Weather Before 1 AD


This chronicles much of the activity in the known ancient world. This article discusses the natural activity from 8000 BC through the first century.



7620 BC

The first eruption of Mt. Edgcumbe in Kruzof Island, Alaska.


Between 7320 and 7790 BC

The Diamond Craters volcanic field erupts in Oregon.


6250 BC

Eruption of Indian Heaven, the volcanic field between Mt. St. Helens and Mt. Adams, in Washington state.


5800 BC

Mt. Bachelor, also known as Bachelor Butte, is a stratovolcano that erupted in the Cascade Range in Oregon.


5750 BC

The eruption of West Crater, a volcanic field between Mt. St. Helens and Mt. Hood, in Washington state.


4845 (est.)

Cinnamon Butte, in Oregon, erupts.


4040 BC

The Chaîne des Puys, a volcanic range in Auvergne, France, erupts.


3850 BC

Stratovolcano Mt. Kaguyak, in the Katmai National Park, Alaska, erupts.


3810 BC

The second eruption of Mt. Edgecumbe in Kruzof Island, Alaska.


2500 BC

Mt. St. Helens in Washington begins erupting after a 4,000 year dormancy.


2460 BC

Mauna Kea, on the island of Hawaii, erupts.



2220 BC (est.)

The third eruption of Mt. Edgecumbe in Kruzof Island, Alaska.


The Dotsero volcano, in Dotsero, Colorado, erupts.



1900 BC

Another eruption at Mt. St. Helen in Washington state. Traces of this eruption have been found as far north as Alberta, Canada, and as far south as Oregon.


1890 BCE

Mount Dana Eruption. This small stratovolcano has no actual records of eruption, however much evidence has been found to support its activity.



1831 BC

China’s Mount Tai region suffered an earthquake, believed to be the first in recorded history.


1645 BC

An earthquake hit Crete, Greece, and the Island of Santorini. The town of Santorini was not found again until the modern era. The death toll remains unknown, although there is evidence of its impact throughout the civilized world. China reports a volcanic winter in the 17th Century BC.


1280 BC

The volcano on St. Paul Island erupts. St. Paul is the largest of the Pribilof Islands in Alaska.


1250 BC

The Jordan Craters volcanic field erupts, in Oregon.


1200 BC

The Pine Creek Eruptive period of Mt. St. Helens.


1050 BC

The Buzzard Creek Volcano erupts in the Alaskan Range.


800 BC (est.)

The Yantarni Volcano erupts. Yantarni is a stratovolcano in Alaska, on the Alaska Peninsula.


479 BC

The first true tsunami is recorded at Potidaea, Greece. Herodotus blamed the disaster on Poseidon’s wrath.


464 BC

Sparta Earthquake. An earthquake destroyed much of Sparta, and the death toll was reported as being 20,000.


426 BC

A tsunami came to the Mailan Gulf, in Greece. The historian Thycydides described the event, as well as the earthquakes that followed.


400 BC

The Castle Creek Eruptive Period for Mt. St. Helens begins.


373 BC

Helike was a Greek city that was lost to a tsunami in 383 BC. It lay submerged in the Gulf of Corinth for centuries, and ancient writers stated you could see the ruins under the water for years. The disaster was “fortold” by natural phenomenon, with  two “columns” of flame, and all animal life fled the city five days before. The disaster occurred at night, in winter, so most inhabitants were lost. Writers mention that thousands of searchers never recovered a single body. The catastrophe was said to be the wrath of Poseidon. The site was “Rediscovered,” in 2001.


224 BC

By October, pestilence had spread throughout the Chinese Empire.


226 BC

An earthquake hit Rhodes in Greece, and toppled the magnificent Colossus of Rhodes. It destroyed much of the city, although there’s no established fatality estimate. The quake also destroyed the city of Kameiros.


130 BC

The Kings Bowl Lava Field erupted, part of the Craters of the Moon National Monument and Preserve, in Idaho.

60 BC

A massive earthquake hits Portugal and Galicia. The tremor also caused a tsunami.



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