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Graham Leonard

@grahamleonard.bsky.social
320 followers 143 following 33 posts

GNS Scientist volcanoes tsunami maps warnings risk he/him

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Graham Leonard @grahamleonard.bsky.social · 03/10/2025
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...
rnz.co.nz
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.
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Graham Leonard @grahamleonard.bsky.social · 30/08/2025
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...
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Graham Leonard @grahamleonard.bsky.social · 01/08/2025
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...
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Graham Leonard @grahamleonard.bsky.social · 19/07/2025
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...
rnz.co.nz
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.
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Graham Leonard @grahamleonard.bsky.social · 03/07/2025
Same link works for all days docs.google.com/spreadsheets...
docs.google.com
IAVCEI2025schedule
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Graham Leonard @grahamleonard.bsky.social · 29/06/2025
@iavcei.bsky.social made a spreadsheet of tomorrows talks #iavcei2025 - docs.google.com/spreadsheets...
docs.google.com
IAVCEI2025schedule
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Graham Leonard @grahamleonard.bsky.social · 12/06/2025
Lots of ash from the fire fountain in this Hawaii live feed from USGS. www.youtube.com/live/oG5zz9S...
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Graham Leonard @grahamleonard.bsky.social · 31/05/2025
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
rnz.co.nz
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?
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Graham Leonard @grahamleonard.bsky.social · 28/04/2025
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...
rnz.co.nz
Space weather: Graham Leonard
Space weather isn't watercooler conversation but it's out there!
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Graham Leonard @grahamleonard.bsky.social · 22/02/2025
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
rnz.co.nz
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.
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Graham Leonard @grahamleonard.bsky.social · 16/12/2024
What do magma oceans and salad dressing have in common? www.rnz.co.nz/national/pro...
rnz.co.nz
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.
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Graham Leonard @grahamleonard.bsky.social · 10/12/2024
It was like a scene from Fargo in the carpark today, but with a rocksaw not a woodchipper. That's a big rock. #geologyrocks
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Graham Leonard @grahamleonard.bsky.social · 09/12/2024
Tsunami evacuation signs in Samoa, complete with suitable attire as drawn by locals back when we helped them set up their evacuation zones
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Graham Leonard @grahamleonard.bsky.social · 08/12/2024
'The wall is lava' complete with mostly submerged volcanologist. Nice work Misha Jamieson Frew! (reproduced with permission) $80
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Graham Leonard @grahamleonard.bsky.social · 07/12/2024
Pop quiz, what do mandarins (foreground Wellington market this morning) and pomelo (back) have in common with only one other fruit?
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Graham Leonard @grahamleonard.bsky.social · 07/12/2024
Half a hyaloclastite mound, dissected by the Pacific ocean, one of many uplifted as Chatham Island
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Graham Leonard @grahamleonard.bsky.social · 06/12/2024
It IS made is cheese!!
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Graham Leonard @grahamleonard.bsky.social · 05/12/2024
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...
tepapa.govt.nz
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.
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Graham Leonard @grahamleonard.bsky.social · 03/12/2024
Kim Hill has started a new podcast series, each episode an hour interview! www.rnz.co.nz/podcast/kim-...
rnz.co.nz
Kim Hill Wants To Know podcast
Kim Hill is back with intelligent, incisive and engrossing conversations.
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Graham Leonard @grahamleonard.bsky.social · 25/11/2024
Recovering politician Grant Robertson opens the NZ geosciences conference in Ōtepoti as the new Vice Chancellor Ōtākou Whakaihu Waka #GSNZ2024
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Reposted by Graham Leonard
Harlan Coben @harlancoben.bsky.social · 22/11/2024
Filmed this as I landed in Iceland for IcelandNoir festival and yeah it’s an erupting volcano.
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Graham Leonard @grahamleonard.bsky.social · 22/11/2024
😳
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Graham Leonard @grahamleonard.bsky.social · 22/11/2024
We were still the same species as chimpanzees when Christchurch’s local volcanoes forming Banks Peninsula were last erupting! (8ish million y ago)
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Graham Leonard @grahamleonard.bsky.social · 19/11/2024
www.nzherald.co.nz/nz/hikoi-to-...
nzherald.co.nz
Watch: Up to 55,000 people march on Parliament in unprecedented day of protest - only one arrest
As the crowd chanted, Seymour walked back into the Beehive with his MPs.
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Graham Leonard @grahamleonard.bsky.social · 18/11/2024
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-...
nzherald.co.nz
Scientists probe Pacific volcanoes’ risk to NZ’s internet
Scientists say huge undersea Pacific eruptions pose threat to cables linking NZ to world.
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Graham Leonard @grahamleonard.bsky.social · 17/11/2024
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Graham Leonard @grahamleonard.bsky.social · 14/11/2024
Congratulations hazard and risk emerging leading scientists Lauren Vinnell and Shane Rooyakkers!! www.royalsociety.org.nz/news/2024-ma...
royalsociety.org.nz
Twenty early-career researchers and two distinguished researchers receive inaugural Aotearoa New Zealand Tāwhia te Mana Research Fellowships in 2024
The Aotearoa New Zealand Tāwhia te Mana Research Fellowships support researchers at different career stages to produce excellent and impactful research and to develop into leaders in their fields, the...
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Graham Leonard @grahamleonard.bsky.social · 13/11/2024
www.bbc.com/news/article...
bbc.com
Bali flights cancelled due to dangerous volcanic ash - BBC News
Australian airlines say it is unsafe to fly after Mount Lewotobi Laki-laki spewed ash.
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Graham Leonard @grahamleonard.bsky.social · 01/11/2024
World tsunami awareness day is this Tuesday so I spoke with Susie and Mihingarangi this morning about what we learned and need to tell the next generation RNZ GNS Science www.rnz.co.nz/national/pro...
rnz.co.nz
Tsunami Awareness
Volcanologist and GNS principal scientist Graham Leonard shares everything you need to know about tsunamis ahead of the upcoming UN World Tsunami Awareness Day.
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Graham Leonard @grahamleonard.bsky.social · 20/09/2024
With ongoing minor eruptions generating ash from Whakaari I talked offshore volcanoes this morning on RNZ with Mihinarangi Forbes and Colin Peacock www.rnz.co.nz/national/pro...
rnz.co.nz
Graham Leonard: What's the deal with offshore volcanoes?
Volcanologist and GNS principal scientist Graham Leonard explains the difference between onshore and offshore volcanoes, and why it's important.
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Graham Leonard @grahamleonard.bsky.social · 12/09/2024
Very cool research www.nature.com/articles/d41...
nature.com
Famed Pacific island’s population 'crash' debunked by ancient DNA
Genome analysis adds to mounting evidence against the idea that Rapa Nui’s population collapsed owing to overexploitation of natural resources. Genome analysis adds to mounting evidence against the id...
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