Geohazards
- Created by: tom statham
- Created on: 23-05-14 11:23
Other questions in this quiz
2. What does the Mercalli scale measure?
- intensity
- magnitude
3. VT volcanoes are measured by... ?
- Measured weeks to months in advance
- hours-days
4. shallow focuses produce 75% of earthquakes but how deep are they?
- 0-30 km
- 70-300 km
- 0-70km
- 300-600 km
5. What is phreatomagmatic?
- when surface water and magma interact; explosive and pulsed
- when magma interacts with air it forces open the vent
- When internal pressure within the vent causes the top to explode
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