The 1870 Atlantic hurricane season was a hurricane season in the Atlantic Ocean. There weren't many storms in it.
This hurricane was a "short lived" hurricane it's probably the only hurricane to last less than a day other than Hurricane Seven.
This was another "short lived" storm.
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.
On October 19 a Category 2 hurricane hit western Cuba. It crossed Florida, and caused 52 deaths. This was another "short lived" storm.