Geography

The map below shows the active volcanoes on 15 May 2020.

https://www.volcanodiscovery.com/volcano-activity/news/103699/Volcanic-activity-worldwide-15-May-2020-Fuego-volcano-Klyuchevskoy-Popocatepetl-Dukono-Katla-.html

Where are the active volcanoes located?
Why are volcanoes found in the areas shown?
What are risks brought by the eruption of volcanoes?
How can the risks be mitigated?

Dive into the heart of this volcano Masaya virtually.
https://www.ge.com/digitalvolcano/

As twitted by United Nations International Strategies for Disaster Reduction, the Ring of Fire is active following the eruption of several volcanoes today across Asia.
When did this occur?
Where are the areas affected?
Who are affected?
Why are most of the volcanoes found along the Ring of Fire?
What are the risks associated with volcanic eruptions and earthquakes?
How can the risks from tectonic hazards be reduced?