Volcano · Ecuador (Galápagos)
Sierra Negra
Has one of the largest calderas in the Galápagos.
Status right now
No current reports
Sierra Negra is not in the latest Smithsonian weekly report or the GDACS volcano alerts. That usually means it is quiet, but not every change is reported straight away. For official alerts, follow the local volcano observatory.
Checked 5 Nov 2026, 00:35 UTC.
Key facts
- Country
- Ecuador (Galápagos)
- Region
- South America
- Type
- Shield
- Summit
- 1,124 m (3,688 ft)
- Coordinates
- 0.830° S, 91.170° W
- Smithsonian number
- 353050
What kind of volcano is it?
Sierra Negra is a shield. A shield volcano is broad and gently sloping, built from runny basalt lava that flows a long way before it cools. Eruptions are usually effusive: lava fountains and flows rather than large explosions.
Eruption history
| Date | VEI | Deaths | Also |
|---|---|---|---|
| 13 Apr 1943 | 3 | 1 | – |
1 significant eruption near Sierra Negra in NOAA's Global Significant Volcanic Eruptions Database, which lists eruptions that caused deaths, damage or a tsunami, or were VEI 6 or larger. VEI is the Volcanic Explosivity Index, from 0 to 8.
Nearby volcanoes
- FernandinaEcuador (Galápagos) · 66 km
- CotopaxiEcuador · 1,416 km
- SangayEcuador · 1,432 km
- PoásCosta Rica · 1,447 km
- ReventadorEcuador · 1,505 km
- MasayaNicaragua · 1,528 km
Not an official warning service. In an emergency, follow your local authorities.