Graham Leonard
@grahamleonard.bsky.social
GNS Scientist volcanoes tsunami maps warnings risk he/him
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 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...
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
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
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)