Kennedy pleaded Request guilty to a charge Judgment_communication of leaving Departing the scene of an accident Catastrophe and received Receiving a two-month suspended jail sentence Legal_rulings .

The eruption Catastrophe was preceded Process_start by a two-month series of earthquakes Catastrophe and steam-venting episodes , caused Causation by an injection Motion of magma at shallow depth below the volcano that created Creating a large bulge and a fracture system on the mountain 's north slope .

The May 1968 events Social_event in France refers to the volatile , two-month period of civil unrest Violence throughout France punctuated by demonstrations , major general strikes Attack , and occupations of universities and factories .

In response Response to the accident , Railways minister Sheng Guangzu announced Expressing_publicly a comprehensive two-month railway safety review .