Hawaiian Volcano Observatory
Skip past Left navigational barKīlauea
black circleEruption Update
black circleEruption Summary
black circleHazards
black circleHistory
Mauna Loa
black circleCurrent Status
black circleCurrent Monitoring
black circleFAQs-Mauna Loa
black circleHazards
black circleHistory
              circleCurrent EQs
black circleFelt EQs
black circleDestructive EQs
black circleSeismicity
black circleHazards, Zoning
black circleInstrumentation
black circleHualālai
black circleHaleakalā
black circleLōʻihi
Volcanic Hazards
black circleCurrent SO2Conditions
black circleFAQ-SO2, Vog, and Ash
black circleFAQ-Lava-Flow Hazard Zones
black circleOcean Entry
black circleTypes
About HVO
black circleHistory of HVO
black circleVolunteer program
black circleLocation
black circleContact Us

Information on Hawaiʻi's two most active volcanoes

Kīlauea: Daily eruption updates include the latest info about the ongoing eruptions,
as well as maps and photos/videos of the activity.

Mauna Loa: Weekly updates and current monitoring data.
September 17, 2015 News Release
"USGS Volcano Alert Level for Mauna Loa Elevated from Normal to Advisory Status"

Are you ready for Hawaii's next big earthquake?

Earthquakes in Hawaii graphic The probability of a destructive magnitude-6.5 or higher earthquake striking the Hawaiian Islands in the next 10 years is 50 percent. Are you ready for it?

"Earthquakes in Hawaii: What you need to know" provides an overview of Hawaii's long history of damaging earthquakes and what you can do to protect yourself and your family when the next one happens.


We encourage you to participate in the
Great Hawaii ShakeOut an earthquake
awareness and preparedness event, on
October 15, 2015, at 10:15 a.m., HST.
Great Hawaii ShakeOut banner
Drop! Cover! Hold on! This event is a great opportunity to practice
"Drop! Cover! Hold on!"—actions that will
prevent or reduce injury during Hawaiʻi's next earthquake.

Read more about earthquakes in Hawaii and the Great Hawaii ShakeOut:


More Volcano Information from HVO and Beyond

Earthquake seismogramReport a felt earthquake to HVO using this form.
More USGS Volcano Web sites

Volcano WatchCurrent issue of Volcano Watch essay, written weekly by USGS scientists.
National Park ServiceHawaiʻi Volcanoes National Park, home to HVO. Find visitor information and resources here. Graphic: Kids DoorVolcanoes for kids, from the Volcano World website.
Skip past main content navigational bar

Homeblank spacerVolcano Watchblank spacerProductsblank spacerGalleryblank spacerPress Releases
How Hawaiian Volcanoes Work

U.S. Department of the Interior, U.S. Geological Survey, Menlo Park, California, USA
Contact HVO
     phone: 808-967-7328 M-F 8 am - 4:30 pm H.s.t.

| USGS Privacy Statement | USGS Disclaimer | Accessibility |
Last modification: 10 Sept 2015 (pnf)