Caribbean
What tectonic plate is Saint Lucia on?
Saint Lucia sits entirely on the Caribbean Plate.
- Plates
- 1
- M6.5+ quakes since 1900
- 1
- Holocene volcanoes
- 1
- Land area
- 551 km²
Plates under Saint Lucia
Share of Saint Lucia's land area on each plate (PB2002 model, Natural Earth outlines).
Plate boundaries
No plate boundary crosses Saint Lucia itself, so it sits in the stable interior of the Caribbean Plate, although strong earthquakes can still reach it from nearby boundaries or older faults.
Earthquakes in Saint Lucia
Large earthquakes are uncommon in Saint Lucia. Since 1900 the USGS has recorded 1 of magnitude 6.5 or more in or just off the country.
| Earthquake | Magnitude | Year | Depth | Plate |
|---|---|---|---|---|
| 18 km WSW of Soufrière, Saint Lucia | M7.3 | 1953 | 129 km | Caribbean |
Volcanoes in Saint Lucia
The Smithsonian Global Volcanism Program lists 1 volcano active in the last 12,000 years in Saint Lucia.
- Qualibou Caldera · 777 m Last eruption 1766
Frequently asked questions
What tectonic plate is Saint Lucia on?
Saint Lucia sits entirely on the Caribbean Plate.
Is Saint Lucia on a plate boundary?
No plate boundary crosses Saint Lucia itself, so it sits in the stable interior of the Caribbean Plate, although strong earthquakes can still reach it from nearby boundaries or older faults.
Does Saint Lucia get earthquakes?
Large earthquakes are uncommon in Saint Lucia. Since 1900 the USGS has recorded 1 of magnitude 6.5 or more in or just off the country. The largest was the M7.3 18 km WSW of Soufrière, Saint Lucia in 1953.
Are there volcanoes in Saint Lucia?
The Smithsonian Global Volcanism Program lists 1 volcano active in the last 12,000 years in Saint Lucia.