Graham Leonard
@grahamleonard.bsky.social
GNS Scientist volcanoes tsunami maps warnings risk he/him
I discussed the critical role of social science in disaster reduction this morning with Mihi on @RNZ @Earth Sciences New Zealand @Joint Centre for Disaster Research www.rnz.co.nz/national/pro...
Graham Leonard: The science of warnings
Earth Sciences New Zealand principal scientist, Graham Leonard is back this week looking at the role of social science in the delivery of disaster warnings.
www.rnz.co.nz
October 3, 2025 at 10:17 PM
I discussed the critical role of social science in disaster reduction this morning with Mihi on @RNZ @Earth Sciences New Zealand @Joint Centre for Disaster Research www.rnz.co.nz/national/pro...
Mihi and I discussed the challenge of flooding for Aotearoa and the new opportunity with ESNZ this morning @RNZ @Earth Sciences New Zealand www.rnz.co.nz/national/pro...
August 30, 2025 at 5:18 AM
Mihi and I discussed the challenge of flooding for Aotearoa and the new opportunity with ESNZ this morning @RNZ @Earth Sciences New Zealand www.rnz.co.nz/national/pro...
Strong and unusual currents expected through the weekend could still be dangerous. We summed up the science of this huge quake @earthsciencesnz on @radionewzealand with Susie www.rnz.co.nz/news/nationa...
August 1, 2025 at 9:06 PM
Strong and unusual currents expected through the weekend could still be dangerous. We summed up the science of this huge quake @earthsciencesnz on @radionewzealand with Susie www.rnz.co.nz/news/nationa...
Lots of new research and planning for Auckland Volcanic Field in today's chat with Mihi and Susie @rnzrss.bsky.social @earthscience.nz www.rnz.co.nz/national/pro...
New research on Auckland's volcanos
Auckland is known for its volcanic cones - and while an eruption is very unlikely to happen, the volcanic field is technically still active.
www.rnz.co.nz
July 19, 2025 at 6:51 AM
Lots of new research and planning for Auckland Volcanic Field in today's chat with Mihi and Susie @rnzrss.bsky.social @earthscience.nz www.rnz.co.nz/national/pro...
Same link works for all days docs.google.com/spreadsheets...
IAVCEI2025schedule
docs.google.com
July 3, 2025 at 8:53 AM
Same link works for all days docs.google.com/spreadsheets...
@iavcei.bsky.social made a spreadsheet of tomorrows talks #iavcei2025 - docs.google.com/spreadsheets...
IAVCEI2025schedule
docs.google.com
June 29, 2025 at 8:34 PM
@iavcei.bsky.social made a spreadsheet of tomorrows talks #iavcei2025 - docs.google.com/spreadsheets...
Lots of ash from the fire fountain in this Hawaii live feed from USGS. www.youtube.com/live/oG5zz9S...
June 11, 2025 at 11:31 PM
Lots of ash from the fire fountain in this Hawaii live feed from USGS. www.youtube.com/live/oG5zz9S...
30% chance in 50 years of Taranaki Mounga erupting, I discussed with Mihi Forbes what this might look like: @GNS Science @RNZ www.rnz.co.nz/national/pro... Living next to an active volcano | RNZ
Living next to an active volcano
Taranaki Mounga is one of New Zealand's about a dozen active volcanos - but what does that actually mean for locals?
www.rnz.co.nz
May 31, 2025 at 7:29 PM
30% chance in 50 years of Taranaki Mounga erupting, I discussed with Mihi Forbes what this might look like: @GNS Science @RNZ www.rnz.co.nz/national/pro... Living next to an active volcano | RNZ
Tune in for all things SPACE WEATHER! A little tardy posting. Thanks to the wide range of folks who contributed. RNZ GNS Science www.rnz.co.nz/national/pro...
Space weather: Graham Leonard
Space weather isn't watercooler conversation but it's out there!
www.rnz.co.nz
April 28, 2025 at 7:29 AM
Tune in for all things SPACE WEATHER! A little tardy posting. Thanks to the wide range of folks who contributed. RNZ GNS Science www.rnz.co.nz/national/pro...
Cyclone Gabrielle generated vast landsliding. 2 years on I talked all things landslides with Mihingarangi Forbes and Susie Ferguson on @RNZ www.rnz.co.nz/national/pro... @GNS Science
Graham Leonard on landslides
On the second anniversary of Cyclone Gabrielle, GNS Science principal scientist and friend of the show Graham Leonard joins Mihi to talk about landslides.
www.rnz.co.nz
February 22, 2025 at 12:30 AM
Cyclone Gabrielle generated vast landsliding. 2 years on I talked all things landslides with Mihingarangi Forbes and Susie Ferguson on @RNZ www.rnz.co.nz/national/pro... @GNS Science
What do magma oceans and salad dressing have in common? www.rnz.co.nz/national/pro...
Plate tectonics: Graham Leonard
This week GNS released a high resolution update to the national Active Faults Database, detailing where the active faults are across the motu.
www.rnz.co.nz
December 16, 2024 at 8:16 AM
What do magma oceans and salad dressing have in common? www.rnz.co.nz/national/pro...
It was like a scene from Fargo in the carpark today, but with a rocksaw not a woodchipper. That's a big rock. #geologyrocks
December 10, 2024 at 9:18 AM
It was like a scene from Fargo in the carpark today, but with a rocksaw not a woodchipper. That's a big rock. #geologyrocks
Tsunami evacuation signs in Samoa, complete with suitable attire as drawn by locals back when we helped them set up their evacuation zones
December 9, 2024 at 9:24 AM
Tsunami evacuation signs in Samoa, complete with suitable attire as drawn by locals back when we helped them set up their evacuation zones
'The wall is lava' complete with mostly submerged volcanologist. Nice work Misha Jamieson Frew! (reproduced with permission) $80
December 8, 2024 at 3:39 AM
'The wall is lava' complete with mostly submerged volcanologist. Nice work Misha Jamieson Frew! (reproduced with permission) $80
Pop quiz, what do mandarins (foreground Wellington market this morning) and pomelo (back) have in common with only one other fruit?
December 7, 2024 at 10:00 PM
Pop quiz, what do mandarins (foreground Wellington market this morning) and pomelo (back) have in common with only one other fruit?
Half a hyaloclastite mound, dissected by the Pacific ocean, one of many uplifted as Chatham Island
December 7, 2024 at 5:19 AM
Half a hyaloclastite mound, dissected by the Pacific ocean, one of many uplifted as Chatham Island
It IS made is cheese!!
December 6, 2024 at 4:31 AM
It IS made is cheese!!
NHC and Te Papa are touring the cool new Rūaumoko: Restless Land mobile exhibit, based on Te Taiao exhibit preparedness elements, around Aotearoa - with support from GNS tepapa.govt.nz/about/tourin...
Touring Exhibition – Rūaumoko: Restless land | Te Papa
Te Papa and the Natural Hazards Commission Toka Tū Ake are taking Rūaumoko: Restless land around Aotearoa New Zealand to promote natural hazard awareness and preparedness.
tepapa.govt.nz
December 5, 2024 at 10:35 AM
NHC and Te Papa are touring the cool new Rūaumoko: Restless Land mobile exhibit, based on Te Taiao exhibit preparedness elements, around Aotearoa - with support from GNS tepapa.govt.nz/about/tourin...
Kim Hill has started a new podcast series, each episode an hour interview! www.rnz.co.nz/podcast/kim-...
Kim Hill Wants To Know podcast
Kim Hill is back with intelligent, incisive and engrossing conversations.
www.rnz.co.nz
December 3, 2024 at 9:57 AM
Kim Hill has started a new podcast series, each episode an hour interview! www.rnz.co.nz/podcast/kim-...
Recovering politician Grant Robertson opens the NZ geosciences conference in Ōtepoti as the new Vice Chancellor Ōtākou Whakaihu Waka #GSNZ2024
November 25, 2024 at 7:56 PM
Recovering politician Grant Robertson opens the NZ geosciences conference in Ōtepoti as the new Vice Chancellor Ōtākou Whakaihu Waka #GSNZ2024
Reposted by Graham Leonard
Filmed this as I landed in Iceland for IcelandNoir festival and yeah it’s an erupting volcano.
November 22, 2024 at 8:58 AM
Filmed this as I landed in Iceland for IcelandNoir festival and yeah it’s an erupting volcano.
😳
🌊 "Nowhere on Earth is there a greater cause of uncertainty in sea-level rise projections than from East Antarctica, in Australia’s backyard. The East Antarctic Ice Sheet alone holds enough water to raise global sea levels by approximately 50m if completely melted."
www.abc.net.au/news/2024-11...
www.abc.net.au/news/2024-11...
Unprecedented changes in Antarctica ice prompt researchers to issue emergency statement
Hundreds of polar researchers issue an emergency statement calling for urgent action to deal with the impacts of climate change in Antarctica.
www.abc.net.au
November 22, 2024 at 10:23 AM
😳
We were still the same species as chimpanzees when Christchurch’s local volcanoes forming Banks Peninsula were last erupting! (8ish million y ago)
November 22, 2024 at 8:11 AM
We were still the same species as chimpanzees when Christchurch’s local volcanoes forming Banks Peninsula were last erupting! (8ish million y ago)
New Zealand has a lot of underwater neighbors and @volcanocronin.bsky.social and team are embarking on a journey of discovery! www.nzherald.co.nz/nz/critical-...
Scientists probe Pacific volcanoes’ risk to NZ’s internet
Scientists say huge undersea Pacific eruptions pose threat to cables linking NZ to world.
www.nzherald.co.nz
November 18, 2024 at 6:16 PM
New Zealand has a lot of underwater neighbors and @volcanocronin.bsky.social and team are embarking on a journey of discovery! www.nzherald.co.nz/nz/critical-...