Volcano eruptions result in a 14% drop on Island of Hawaii tourist visits and spending.
From page 4 of the Hawaii Visitor Statistics Released for September and First Three Quarters of 2018 published by the Hawaii Tourism Authority:
Island of Hawaii: In September, visitor spending declined (-14.1% to $140.5 million) due to
lower daily spending (-7.5% to $182 per person) and decreased visitor days (-7.2%) versus last
year. Visitor arrivals were down (-14.0% to 102,635), with fewer visitors from Canada (-34.3%),
Japan (-29.5%), U.S. East (-15.4%) and U.S. West (-6.5%). Fewer visitors (-27.2%) took day
trips compared to a year ago. The average daily census decreased 7.2 percent to 25,671 visitors
in September. For the first three quarters, continued growth was realized in both visitor spending
(+5.1% to $1.84 billion) and visitor arrivals (+0.6% to 1,321,174) compared to last year.
https://www.hawaiitourismauthority.org/media/2686/september-2018-visitor-stats-press-release-final.pdf