All 71 Big Island emergency sirens pass test
18 sirens on Hawai'i Island failed in earlier test
Hawaii County Civil Defense says all of the island's 71 emergency sirens worked during a follow-up test.
Tuesday's test was necessary after 18 sirens failed during the regularly scheduled test earlier this month.
The civil defense agency says crews will be sent to look into reports of softer than normal siren volume in Paukaa and a shorter than usual siren length in Laupahoehoe.
The state is working to modernize the aging system across the islands. A new activation system will rely on cellular and satellite networks, instead of radio transmissions.
The sirens are used during emergencies such as a tsunami. The system is tested monthly.
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