The 1964 Pacific typhoon season was the most active season in recorded history with 39 storms. Notable storms include Typhoon Joan, which killed 7,000 people in Vietnam; Typhoon Louise, which killed 400 people in the Philippines, Typhoons Sally and Opal, which had some of the highest winds of any cyclone ever recorded at 195 mph, Typhoons Flossie and Betty, which both struck the city of Shanghai, China, and Typhoon Ruby, which hit Hong Kong as a powerful 140 mph Category 4 storm, killing over 700 and becoming the second worst typhoon to affect Hong Kong.