The 1972 Solar Storm and Its Impact

What was the initial purpose of the magnetic sea mines planted by the United States Navy?

• To detect submarines

• To track marine life

• To explode when ships pass by

• To measure sea temperature

What was the military's initial suspicion regarding the mine explosions?

• A natural disaster

• A covert operation

• A malfunction in the mines

• An attack by enemy forces

What natural phenomenon was eventually confirmed to have caused the mine explosions?

• A tsunami

• An earthquake

• A volcanic eruption

• A solar storm

How quickly did the charged particles from the solar storm reach Earth?

• In 14.6 hours

• In 48 hours

• In 72 hours

• In 24 hours

Approximately how many naval mines detonated due to the solar storm?

• 40

• 30

• 20

• 10