The mine of Huancavelica in the Peruvian Andes collapses killing more than hundred people. The event was a major setback for quicksilver production in the Spanish Empire.
September 25
Events - Disasters & Accidents
1786day.year
A deadly collapse at Peru's Huancavelica quicksilver mine kills over a hundred workers, disrupting mercury production vital to the Spanish Empire.
On September 25, 1786, a catastrophic cave-in occurred in the Huancavelica quicksilver mine high in the Peruvian Andes. Timber supports gave way deep underground, trapping and killing more than a hundred miners. Huancavelica was the Spanish Empire's main source of mercury, essential for silver extraction across its American colonies. The sudden loss of production dealt a severe blow to colonial finances and the global silver trade. Rescue efforts struggled with narrow shafts and toxic air, underscoring the perilous working conditions of 18th-century mining. The disaster prompted calls for improved safety measures, though significant reforms would take decades to implement. The event remains one of the deadliest mining tragedies in South American history.
1786
Huancavelica
quicksilver
Spanish Empire
1868day.year
The Imperial Russian steam frigate Alexander Nevsky is shipwrecked off Jutland while carrying Grand Duke Alexei Alexandrovich of Russia.
The Russian steam frigate Alexander Nevsky is wrecked off Jutland in stormy seas while carrying Grand Duke Alexei, causing a royal maritime crisis.
On September 25, 1868, the Imperial Russian steam frigate Alexander Nevsky struck rocks and was wrecked off the coast of Jutland during a severe storm. Aboard the vessel was Grand Duke Alexei Alexandrovich of Russia, who survived along with most of the crew thanks to swift rescue efforts by local fishermen. The steam-powered warship was one of the fleet's most advanced frigates, and its loss was a blow to the prestige of the Russian Navy. Investigations pointed to navigational errors compounded by outdated charts and extreme weather conditions. The incident led to reforms in naval charting practices and improvements in officer training. Despite the disaster, the Duke's survival mitigated a potential diplomatic embarrassment. The wreck of the Alexander Nevsky remains a notable example of 19th-century naval hazards.
1868
Imperial Russian steam frigate Alexander Nevsky
Grand Duke Alexei Alexandrovich of Russia
1911day.year
An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
A catastrophic explosion aboard the French battleship Liberté destroys the ship and kills hundreds of sailors in Toulon.
On September 25, 1911, the French battleship Liberté suffered a massive internal explosion while anchored in Toulon harbor. Decomposed propellant charges in the forward ammunition magazine ignited, triggering a devastating blast that obliterated the ship's bow. Hundreds of sailors were killed or injured in the sudden conflagration, and the vessel sank shortly after the explosion. Investigations revealed serious flaws in the storage and handling of Poudre B propellant aboard naval vessels. The disaster prompted the French Navy to overhaul its ordnance safety protocols and improve magazine ventilation. The loss of the Liberté became a cautionary tale in naval engineering and munitions management, influencing international standards.
1911
French battleship Liberté
1978day.year
PSA Flight 182, a Boeing 727, collides in mid-air with a Cessna 172 and crashes in San Diego, killing all 135 aboard Flight 182, both occupants of the Cessna, as well as seven people on the ground.
A mid-air collision over San Diego between a Boeing 727 and a Cessna 172 results in a devastating crash.
On September 25, 1978, PSA Flight 182 collided with a small Cessna 172 while on approach to San Diego’s Lindbergh Field.
All 135 passengers and crew on the Boeing 727 perished, along with the two in the Cessna and seven on the ground.
The crash devastated a residential neighborhood, destroying homes and injuring survivors.
Investigations cited air traffic control miscommunication and lack of collision-avoidance systems.
The tragedy prompted sweeping changes in flight safety regulations and mandated cockpit traffic alerts.
PSA Flight 182 remains one of California’s deadliest aviation disasters.
1978
PSA Flight 182
1998day.year
PauknAir Flight 4101, a British Aerospace 146, crashes near Melilla Airport in Melilla, Spain, killing 38 people.
PauknAir Flight 4101 crashed while approaching Melilla Airport in poor visibility, resulting in 38 fatalities.
On September 25, 1998, PauknAir Flight 4101, operated by a British Aerospace 146, crashed near Melilla Airport in Spain during its final approach. The aircraft encountered heavy fog and descended below the safe glide path, striking power lines before colliding with terrain. All 38 passengers and crew on board lost their lives in the accident. The crash prompted investigations into airport approach procedures and the need for improved weather monitoring. Authorities issued recommendations to enhance pilot training for operations in challenging environments. The tragedy remains one of the deadliest aviation incidents in Spanish territory.
1998
PauknAir Flight 4101
British Aerospace 146
Melilla Airport
Melilla
2003day.year
The 8.3 Mw Hokkaidō earthquake strikes just offshore Hokkaidō, Japan.
A powerful magnitude 8.3 earthquake struck offshore Hokkaidō, Japan, triggering strong shaking and a local tsunami.
On September 25, 2003, a magnitude 8.3 earthquake occurred just off the coast of Hokkaidō, Japan, at a depth of approximately 27 kilometers. The seismic event generated significant ground shaking across Hokkaidō and parts of northeastern Honshu. A small tsunami, with waves reaching up to one meter, impacted coastal towns and prompted evacuations. Infrastructure such as roads, ports, and fishing facilities experienced damage, while landslides occurred in mountainous regions. Emergency services responded swiftly to assess casualties and restore essential services. The earthquake reinforced the importance of Japan's rigorous building codes and disaster preparedness measures.
2003
Hokkaidō earthquake