Why the volcano erupted
- Eruption caused by the diverging plates(North American Plate and Eurasian plate) at Mid Atlantic Ridge
- Iceland lies on a hotspot
Monitoring Volcanic Activity
What do they monitor??
- Volcanic temperature
- water level
- lakes
- mass movements like rock falls
- mud flow
- seismicity
Why do they monitor these things???
- Plot geology maps
- Show changes before and after a volcano erupts
- To prevent death and illness
- Avoid affecting tourism, flights, business and daily activity
What materials are spewed out???
- Ash
- Smoke
- Lava
- Molten lava
- Rocks
- Many other solid, liquid and gases
- Gases: mostly steam but also includes poisonous gases(carbon monoxide, sulfur dioxide, hydrogen chloride)
Symptoms
- Earthquakes
- Rumbling Noise
- Animals acting weird
- More vents appearing
- However, the volcano may erupt without warning
What type of volcano is Eyjafjallajökull???
- It is a Stratovolcano, sometimes called a composite volcano
- Its is a tall, conical volcanoe with many layers of hardened lava, tephra and volcanic ash
Evangel
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