Severe thunderstorms are forecast through this weekend along a slow moving cold front and secondary storm system that will impact areas from the southern Plains to the Great Lakes. Large hail and isolated damaging wind gusts are the main threats with these storms along with a risk for heavy to excessive rainfall which could bring flooding. Read More >
Hawaiʻi Tsunami Awareness Month > Hawaiʻi Tsunami Awareness Month - April 2025
APRIL is Tsunami Awareness Month in Hawaiʻi !
This year marks the 50th anniversary of the November 29, 1975 Kalapana earthquake and tsunami. Two persons died from the local tsunami that hit the campground at Halape minutes after the early morning M7.2 Kalapana earthquake. The ground dropped 12 feet and runups up to 47 feet were measured. Read firsthand accounts of the terrifying tsunami (Michael Stearns) (Donnie Cruz). The tsunami resulted in the establishment of the Hawai‘i State Local Tsunami Warning System, with warnings provided by the Pacific Tsunami Warning Center (PTWC).
This Hawai‘i Tsunami Preparedness Video was updated in 2025.
Topics covered are: 1) tsunami science; 2) local, distant and extreme tsunamis and evacuation zones; 3) tsunami alerts through the County emergency notification apps, the Statewide Emergency Alert System (all-hazard outdoorwarning sirens, the Wireless Emergency Alert System and the local media); and 4) family emergency preparedness, such as having an evacuation kit and a plan whether you are at home, work or school.
| Make sure you and your family are ready for the next tsunami! - Take Action. Get Tsunami Ready Now! - Sign up for wireless alerts (Kaua'i, O'ahu, Maui, Big Island) - Know where to evacuate to when there is a tsunami warning City & County of Honolulu State of Hawaiʻi (all Counties) Host Tsunamis Live! A fun interactive Kahoot! virtual activity. Download flyer. Contact ITIC to schedule (itic.tsunami@noaa.gov). |
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| CALENDAR OF EVENTS - 2025 Hawaiʻi Tsunami Awareness Month (updated continuously) Date. Time, Island, Event Description. Contact: person, organization, email, web site |
| SATURDAY, MARCH 29, 2025 Oʻahu: Mililani Emergency Preparedness Fair and Amateur Radio Field Day, The Church of Jesus Christ of Latter-Day Saints, 95-1039 Meheula Parkway Mililani, HI 96789-1765, 10:00AM - 2:00PM. Contact: Parry Medeiros KH6LK, 808-321-1893 |
| MONDAY, MARCH 31, 2025 Oʻahu: Press Conference, HNL Alert launches as the City’s new notification system used to alert about emergencies and other important community news. (HNL Alert flyer) For more information: Honolulu DEM |
| TUESDAY, APRIL 1, 2025 Maui: Press Release, MEMA issues reminder that April is Tsunami Awareness Month in Hawai'i. Preparedness actions, April 12 highlighted. (Press Release) For more information: MEMA |
| WEDNESDAY, APRIL 2, 2025 Big Island: Press Release, Hawaiʻi County Reminds Residents of Risks From Locally Generated Tsunamis. (Press Release) For more information: HCCDA |
| SATURDAY, APRIL 5, 2025 Big Island: Kumukahi Health Fair (for COFA community), 10:00AM - 3:00PM, CERT and Civil Defense will have a booth with preparedness information and tsunami awareness month discussion. Website: hawaiicounty.gov/civil-defense |
| FRIDAY, APRIL 11, 2025 Big Island: Department of Health Fair, 11:00AM - 2:00PM, CERT and Civil Defense tables with preparedness information and tsunami awareness month discussion. Website: hawaiicounty.gov/civil-defense |
| SATURDAY, APRIL 12, 2025 Maui: MEMA Emergency Preparedness Expo 2025, Queen Kaʻahumanu Center, 275 W. Kaʻahumanu Ave, Kahului, 10:00AM - 2:00PM, Always preparing, stronger together: Building a resilient Maui nui. Prizes and giveaways, community resources & education, speakers, 30+ partnering agencies, MEMA alerts sign-up & support. (Flyer) Website: mauicounty.gov |
| SATURDAY, APRIL 19, 2025 Oʻahu: Hawai‘i Emergency Management Agency Tsunami Awareness Informational Booth, AAU Spam Slam, Hawai‘i Convention Center, 8:00AM - 2:00PM. Learn from HIEMA staff about how to identify the warning signs of a tsunami and how prepare. Identify if you live or work in a tsunami zone. Gather information on hazard preparedness. Participate in interactive preparedness games. (Flyer) Website: ready.hawaii.gov |
| SUNDAY, APRIL 20, 2025 Oʻahu: Hawai‘i Emergency Management Agency Tsunami Awareness Informational Booth, AAU Spam Slam, Hawai‘i Convention Center, 8:00AM - 12:00PM. Learn from HIEMA staff about how to identify the warning signs of a tsunami and how prepare. Identify if you live or work in a tsunami zone. Gather information on hazard preparedness. Participate in interactive preparedness games. (Flyer) Website: ready.hawaii.gov |
| FRIDAY, APRIL 25, 2025 Oʻahu: Wai‘anae Moku Tsunami Awareness Workshop, Leeward Community College, Wai‘anae Moku Extension Campus, 9:00AM - 1:00PM. Open to Students Grades 6-9. Science of a Tsunami, Tsunami Awareness, ‘O Kaiona ke Kia‘i, Interactive Tsunami Activities and Guest Speakers from NOAA/ITIC and PTWC. (Flyer) Website: ready.hawaii.gov |
| FRIDAY, APRIL 25, 2025 Big Island: West Hawai‘i DARE Day, 9:30AM - 2:00PM, Civil Defense table with preparedness information for keiki. Website: hawaiicounty.gov/civil-defense |
| SATURDAY, MAY 03, 2025 Oʻahu: Windward Coast Emergency Preparedness Fair, Windward Mall, 10:00AM - 2:00PM. Contact: Janice Lai, Ko`olaupoko Emergency Preparedness and Response (KEPAR), laigemini@hotmail.com |
| WEDNESDAY, MAY 14, 2025 Oʻahu: Hawaiian Electric 2025 Emergency Preparedness Fair (Employees & ʻOhana only), Ward Cafeteria, 2:00PM - 5:00PM. For more information: EPP@hawaiianelectric.com |
| THURSDAY, MAY 15, 2025 Big Island: Hawaiian Electric 2025 Emergency Preparedness Fair (Employees & ʻOhana only), Kona Baseyard, T&D conference room, 1:30PM - 3:30PM. For more information: EPP@hawaiianelectric.com |
| WEDNESDAY, MAY 28, 2025 Big Island: Hawaiian Electric 2025 Emergency Preparedness Fair (Employees & ʻOhana only), Hilo Baseyard, T&D conference room, 1:30PM - 3:30PM. For more information: EPP@hawaiianelectric.com |
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