During her last two years in office, President Aquino's administration faced series of natural disasters and calamities. Among these were the 1990 Luzon earthquake
, which left around 1,600 people dead and the 1991 volcanic eruption of what was then thought to be a dormant Mount Pinatubo, which was the second largest terrestrial eruption of the 20th century, killing around 300 people and causing widespread long-term devastation of agricultural lands in Central Luzon. The worst loss of life occurred when Tropical Storm Thelma (also known as Typhoon Uring)
caused massive flooding in Ormoc City in November 1991, leaving around 6,000 dead in what was considered to be the deadliest typhoon in Philippine history. Also in November 1987, Supertyphoon Sisang slammed into Luzon killing almost 1,036
people and destroying farms and coastal villages, turning as the deadliest supertyphoon of the 20th century, and in October 1988, Typhoon Unsang lashes out Central Luzon
with scores of fatalities and tremendous damage, also in November 1990, Supertyphoon Ruping struck
into the Visayas leaving 784 lives lost due to flashfloods and landslides since the worst Typhoon Nitang in 1984, and in October 1989, it was Supertyphoon Tasing lashed into Northern Luzon
with 47 people were also killed years before Supertyphoon Juan. A series of flashfloods struck the northern regions of Luzon resulted to the deaths of 36 persons when Typhoon Miding went slowly in August 1986
, it is the worst before Typhoon Pepeng was happened in 2009. It was also during Aquino's term that the MV Doña Paz sank,
which is the World's worst peace-time maritime disaster of the 20th centur
y. The disaster occurred in December 1987 which killed more than 1,700 people. A series of air disasters occurred in 1987 when Philippine Airlines PR 206 crashed into a mountain in Benguet
with 50 passengers found dead on June 26, another on December 13, PR 443 crashes near Maria Cristina
Airport in Iligan with 15 people on board were killed and on July 21, 1989, another plane crashed on a runway of the Ninoy Aquino International Airport, killing eight on ground.
From 1989 to 1993, a long El Niño phenomenon which caused a severe drought in the archipelago.
Droughts destroyed crops in farmlands and livestock led to a nationwide food shortage, dwindling water supplies also contribute a water shortage and electric blackouts left the national economy to a damage worth billions of pesos. Aquino declared the archipelago under a nationwide state of calamity because of the drought.
During Aquino's presidency, electric blackouts became common in Manila.
The capital experienced blackouts of seven to 12 hours, bring numerous businesses were brought to a halt and as associated to El Niño. By the departure of Aquino in June 1992, businesses in Manila and nearby provinces have lost nearly $800 million since March 1992.
The Aquino administration knew
for years that country's power plants were failing, but they did not act to solve the problem
. It was only during the time of her successor, Fidel Ramos, that the government decisively solved the severe power outages that were common during her tenure.