The 1991 eruption of Mount Pinatubo produced a wide variety of seismicity including swarms of volcano-tectonic earthquakes, long-period events, volcanic tremor, and explosive eruptions.
(The 1991 eruption of Mount Pinatubo; produced; a wide variety of seismicity including swarms of volcano-tectonic earthquakes)
The 1991 eruption of Mount Pinatubo
produced
a wide variety of seismicity including swarms of volcano-tectonic earthquakes