1870 Atlantic hurricane season
On October 5, a tropical storm formed south of Haiti. It moved west-northwest, becoming a hurricane south of Cuba on the 6th. The hurricane strengthened fast to its top winds of 115 mph before hitting Matanzas, Cuba on the 7th. After crossing the island, it moved slowly over the Florida Keys, causing 1200 more deaths there. It moved out to sea, last being seen on the 14th. The hurricane, known as the Hurricane of San Marcos or the Straits of Florida Hurricane, caused lots of flooding in Cuba and south Florida, resulting in 2000 deaths.