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Arenal: eruption history
Elevation1,670 m
TypeStratovolcano
Confirmed eruptions27#3 of 10 in country
Latest eruption1968-07-29
Largest VEI4
Location10.46, -84.70
Eruptions per century (since 1500)
0
0
1
0
2
0
By VEI
2
2
1
19
Eruptions (latest first, up to 60)
| Start | VEI | End | Area |
|---|---|---|---|
| 1968-07-29 | 3 | 2010 | W flank & summit |
| 1922-10-05 | 2 | 1922 | |
| 1750 | 0 | – | Summit and NW flank (A2 lava flows) |
| 1440 | 2 | – | |
| 1400 | 4 | – | |
| 1030 | 4 | – | |
| 1020 | 4 | – | |
| 750 | 4 | – | |
| 700 | 4 | – | |
| 650 | 4 | – | |
| 550 | 4 | – | |
| 400 | 4 | – | |
| 170 BCE | 4 | – | |
| 270 BCE | 4 | – | |
| 380 BCE | 4 | – | |
| 830 BCE | 0 | – | |
| 1250 BCE | 4 | – | |
| 1450 BCE | 4 | – | |
| 1650 BCE | 4 | – | |
| 1770 BCE | – | – | Cerro Chato |
| 2250 BCE | 4 | – | |
| 2800 BCE | 4 | – | |
| 3190 BCE | – | – | Cerro Chato |
| 3350 BCE | 4 | – | |
| 3900 BCE | 4 | – | |
| 4450 BCE | – | – | |
| 5060 BCE | 4 | – |
Nearby volcanoes
| Volcano | Distance | Eruptions |
|---|---|---|
| Platanar | 41 km | 0 |
| Tenorio | 41 km | 0 |
| Miravalles | 59 km | 2 |
| Poas | 59 km | 63 |
| Barva | 75 km | 1 |
| Rincon de la Vieja | 80 km | 30 |
| Orosi | 102 km | 0 |
| Irazu | 108 km | 24 |
Eruption records from the Smithsonian Global Volcanism Program; older eruptions may be missing. VEI = Volcanic Explosivity Index (0–8). For current alerts, check the official agency.