Mount Pinatubo

By noob

  • A magnitude 7.8 earthquake hits 100km northeast of Mount Pinatubo

  • Steam vents appear on the ground

  • Steam and ash explosions occur

  • Measured sulphur dioxide levels rise, indicating fresh magma rising under the surface

  • Seismic activity rises dramatically

  • The dome becomes unstable and creates the first hot pyroclastic flows, accompanied by larger ash eruptions

  • Ash eruptions reach 20 km above the volcano

  • Ash eruptions increase even more

  • Volcano erupts