Get our newsletter!
: "One of the most eye-catching guides to the world’s volcanoes ever published.
: Our professional team of volcanologists and photographers offers unique travel opportunities: volcano expeditions, photo tours, and relaxed walking & study tours.
The Volcano Adventure Guide
: Excellent information and background for anyone wishing to visit active volcanoes safely and enjoyably. The book presents guidelines to visiting 42 different volcanoes around the world.
: spaces available / : guaranteed / : few spaces left / : booked out
Shield volcano 4170 m / 13,681 ft
Big Island, Hawai'i, 19.48°N / -155.61°W
(2 out of 5)
Mauna Loa webcams / live data
| ReportsMauna Loa volcano books | Tours
Mauna Loa volcano eruptions:
1832, 1843, 1849, 1851, 1852, 1855-56, 1859, 1865-66, 1868, 1870(?), 1871, 1872, 1873, 1873-74, 1875, 1876, 1877, 1879, 1880, 1880-81, 1887, 1892, 1896, 1899, 1903, 1907, 1914-15, 1916, 1919, 1926, 1933, 1935-36, 1940, 1950, 1975, 1984
Typical eruption style:
Last earthquakes nearby
Mauna Loa volcano toursHawaii - Birthplace of Islands
(14 days walking and study tour to Oahu, Kauai, Maui, Hawai'i)
Latest satellite images
Volcano news: Mauna Loa volcano (Big Island, Hawaii)
Mauna Loa volcano (Hawai'i): unrest ends for now, alert back to "normal"
Friday Jun 22, 2018 06:30 AM | BY: T
Volcanic unrest at the volcano has ceased (at least for now), and the volcano observatory lowered the alert level of the volcano back to "normal" (green):
"HVO seismic and deformation monitoring networks have been recording near background levels of seismicity and ground motion at Mauna Loa Volcano for at least the last six months. These observations indicate that the volcano is no longer at an elevated level of activity. Accordingly, HVO is dropping the Mauna Loa alert level to NORMAL and the aviation color code to GREEN."
Monday, Jul 25, 2016
The volcano is not erupting, but continues to show unrest. Deformation and seismic activity remain above long-term background levels. ...
Friday, Oct 30, 2015
Seismic unrest continues at the volcano, but at lower levels than during mid-late summer, HVO reports: ...
Friday, Sep 18, 2015
The alert level of the world's largest volcano was raised a notch to "ADVISORY", and the Aviation Color code to "YELLOW" becuase shallow earthquakes have recently appeared in increasing numbers under the volcano. There is no sign that the volcano is about to erupt in a very near future, but it could be a medium- or long-term precursor of a next eruption. ...
Wednesday, Sep 18, 2013
A small earthquake swarm occurred last week under the volcano. During 5-7 September, HVO detected about 350 small earthquakes up to magnitude 2.4 in a tightly clustered area at about 7 km depth west of the summit caldera. Only about 25 were strong enough to be located (map). ...
More on VolcanoDiscovery:
Nyiragongo volcano photos
: Nyiragongo (DR Congo) has the world's largest and most active lava lake. Enjoy our pictures taken during several expeditions over the past years.
Volcanoes & Earthquakes
: Our popular app is now also available for iPhone and iPad! Get the latest volcano news and earthquakes world-wide - it's free!
Become a supporter
: To continue to run this website full of free information about earthquakes and volcanoes to you, we also need to pay our developer, servers and in addition, we spend lots of our free time on it. If you enjoy it, we will greatly appreciate your support. If you like, you can send us a small donation.