Graham Leonard
@grahamleonard.bsky.social
GNS Scientist volcanoes tsunami maps warnings risk he/him
Environmental science
24%
Geology
23%
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
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
@grahamleonard.bsky.social
· Aug 30
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...
Graham Leonard
@grahamleonard.bsky.social
· Jul 19
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
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...
IAVCEI2025schedule
docs.google.com
Same link works for all days docs.google.com/spreadsheets...
Graham Leonard
@grahamleonard.bsky.social
· Jun 29
IAVCEI2025schedule
docs.google.com
@iavcei.bsky.social made a spreadsheet of tomorrows talks #iavcei2025 - docs.google.com/spreadsheets...
Graham Leonard
@grahamleonard.bsky.social
· Jun 11
Lots of ash from the fire fountain in this Hawaii live feed from USGS. www.youtube.com/live/oG5zz9S...
Graham Leonard
@grahamleonard.bsky.social
· May 31
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
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
Graham Leonard
@grahamleonard.bsky.social
· Apr 28
Space weather: Graham Leonard
Space weather isn't watercooler conversation but it's out there!
www.rnz.co.nz
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...
Graham Leonard
@grahamleonard.bsky.social
· Feb 22
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
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
@grahamleonard.bsky.social
· Dec 16
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
What do magma oceans and salad dressing have in common? www.rnz.co.nz/national/pro...
Graham Leonard
@grahamleonard.bsky.social
· Dec 10
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
'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?
Half a hyaloclastite mound, dissected by the Pacific ocean, one of many uplifted as Chatham Island
The only moon to have won me a bong back at uni too 😂
It IS made is cheese!!
Reposted by Graham S. Leonard
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
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 Wants To Know podcast
Kim Hill is back with intelligent, incisive and engrossing conversations.
www.rnz.co.nz
Kim Hill has started a new podcast series, each episode an hour interview! www.rnz.co.nz/podcast/kim-...
Graham Leonard
@grahamleonard.bsky.social
· Nov 25
Recovering politician Grant Robertson opens the NZ geosciences conference in Ōtepoti as the new Vice Chancellor Ōtākou Whakaihu Waka #GSNZ2024
Graham Leonard
@grahamleonard.bsky.social
· Nov 22
🌊 "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
😳
Reposted by Graham S. Leonard
Harlan Coben
@harlancoben.bsky.social
· Nov 22
Filmed this as I landed in Iceland for IcelandNoir festival and yeah it’s an erupting volcano.
Graham Leonard
@grahamleonard.bsky.social
· Nov 22
Sunrise photo i took in 2021 in the first leg of getting to the ice
Graham Leonard
@grahamleonard.bsky.social
· Nov 22
We were still the same species as chimpanzees when Christchurch’s local volcanoes forming Banks Peninsula were last erupting! (8ish million y ago)
Reposted by Graham S. Leonard, Kate J. Helmstedt
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
🌊 "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...
Graham Leonard
@grahamleonard.bsky.social
· Nov 18
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
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-...
Graham Leonard
@grahamleonard.bsky.social
· Nov 17
Ngāuruhoe last week still sporting a little snow. You can sit up front on the plane from Welly if you ask nicely, but Soundsair are discontinuing the route at the end of the year 😥