Volcanic Ash in Puerto Rico

42 volcanic ash events since 2001

Every volcanic ash event the National Weather Service has filed in Puerto Rico, year by year, with the most significant episodes. Ash from an eruption that fell on land or reduced visibility.

The most significant on the map

The most significant volcanic ash episodes in Puerto Rico.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

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The record

Events: 42
Deaths: 0
Injuries: 0
Damage: $300,000

Every year

The most significant

Ranked by deaths, injuries, damage and size together.

Volcanic Ash in Puerto Rico, July 29, 2001$300,000 · 13 eventsThe Montserrat Volcano erupted during the late afternoon of Sunday July 29. A large amount of volcanic ash was released into the atmosphere during Sunday evening and night. Simultaneously, a strong tropical wave was crossing the Leeward Islands.
Volcanic Ash in Puerto Rico, July 13 to 14, 200313 eventsA strong tropical wave moved across the Island of Montserrat causing the collapse of the volcanic ash dome of Montserrat Soufriere Hills volcano. Southeast winds carried the volcanic ash towards Puerto Rico.
Volcanic Ash in Puerto Rico, September 30, 20029 eventsA volcanic eruption occurred over the island of Montserrat in the Lesser Antilles, southeast of the local region. Southeast winds carried a thin volcanic ash cloud toward the eastern sections of Puerto Rico during the morning hours.
Volcanic Ash in Puerto Rico, March 10, 20044 eventsA thin layer of volcanic ash affected Puerto Rico as it streamed west northwest from the Soufriere Hills volcano in Montserrat .
Volcanic Ash in Puerto Rico, March 17, 20043 eventsA large ash plume produced by the Soufriere Hills volcano in Montserrat traveled northwest under strong southeast low level winds.

Volcanic Ash everywhere Every kind of event in Puerto Rico

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.