Talk:Taupō Volcanic Zone

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move sub zones to their own page please

I suggest that some of the sub zones i have added get moved to their own article as time and editing allows.moza 12:04, 17 April 2006 (UTC)[reply]

Clean up

Is there something strange with the code on this page? - I see five [edit] links in a line at the start of the craters of the moon section. Also is it possible to get a better description for the second photo - looks like a lake rather than part of a volcanic zone. Since i've been creating stubs for some of the feaures in this zone, I'll see if I can't draw up a map of the area sometime soon. Malathos 17:39, 4 November 2006 (UTC)[reply]

Volcanoes, lakes and hydrothermal areas

I tried to sort out this section. The list of vents and eroded volcanoes seems never ending. I think the overview of this scheme is better now. Could not find references for "Rotoma volcanic complex" and "Okareka volcanic complex" on Global Volcanism Program, Smithsonian Institution [1] or on Volcano World [2] though, but there is an Okareka Ash of a Tarawera eruption, and a Rotoma geothermal field. I think the lakes should have category Taupo Volcanic Zone too, you never know what is underwater in a lake lying inside a caldera. --Chris.urs-o (talk) 10:44, 10 February 2010 (UTC)[reply]

PS: Newhall, Christopher G., Dzurisin, Daniel (1988); Historical unrest at large calderas of the world, USGS Bulletin 1855, p. 1108 [3], citing Scott, B.J. (1986), Monitoring at Okataina Volcanic Centre, in Gregory, J.G., and Watters, W.A., eds., Volcanic hazards assessment in New Zealand: New Zealand Geol. Surv. Rec. 10, p. 49-54, shows a small Rotoma Caldera, and a small Okareka Embayment inside the Haroharo Caldera which in turn is inside the Okataina Ring Structure. --Chris.urs-o (talk) 10:48, 22 February 2010 (UTC)[reply]

Doubts

"Taupo erupted an estimated 1,170 km³ of material in its Oruanui eruption 26,500 years ago. This was Earth's most recent eruption reaching VEI-8, the highest level on the Volcanic Explosivity Index."

VEI is an open end scale, but no VEI greater as 8 is known, am I right?

"The Rotorua caldera has been dormant longer, producing its most recent giant eruption about 240,000 years ago, although lava dome extrusion has occurred within the last 25,000 years.[2]"

Rotorua is a single event caldera, am I right? --Chris.urs-o (talk) 01:19, 20 February 2010 (UTC)[reply]

I believe VEI is not open-ended, but perhaps I'm wrong. I haven't read the Newhall and Self article, and secondhand accounts seem to vary on this point.

I understand Rotorua has had just one big eruption (and several smaller ones). The bit you quote could have been worded better. I've tried to fix it.

By the way, thanks for all your work recently on this and other TVZ articles.-- Avenue (talk) 13:09, 20 February 2010 (UTC)[reply]

Quote: "The open-ended VEI scale applies only to explosive eruptions, with the VEI value determined primarily by the volume of eruptive products, height of the eruption cloud, and eruption duration, but with qualitative observations of explosivity (e.g., “gentle,” “cataclysmic,” “colossal”) also considered." Tilling, R. I. (14 December 2009). "Volcanism and associated hazards: the Andean perspective" (PDF). Advances in Geosciences (22): 125–137. Retrieved 2010-03-16. --Chris.urs-o (talk) 19:06, 16 March 2010 (UTC)[reply]

Blog with lots of links to TVZ related papers

Just a quick note to mention that there are several pages of blog [4][5][6] about the TVZ with a good number of links to reliable sources that can probably be used to expand this article, the computer I'm on is currently too clunky to be bold. EdwardLane (talk) 10:44, 22 November 2012 (UTC)[reply]

External links modified (January 2018)

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Move discussion in progress

There is a move discussion in progress on Talk:Taupo District Council which affects this page. Please participate on that page and not in this talk page section. Thank you. —RMCD bot 09:49, 6 October 2021 (UTC)[reply]

Discussion closed. Result: Page moved. - Cameron Dewe (talk) 22:43, 16 October 2021 (UTC)[reply]

Formatting and clean up

The page currently (at least on my screen) looks like a bit of a hot mess. I'm wondering if it makes more sense to split the timeline off into a separate list article (either Timeline of the Taupō Volcanic Zone or List of eruptions in the Taupō Volcanic Zone or something) as I think that's a big source of the formatting issues. This article is still pretty substantial without it and I reckon could get up to GA with a bit more work, but splitting this off would probably help with that. Turnagra (talk) 04:16, 18 October 2022 (UTC)[reply]

I agree the formatting is subpar, with a column of photos beside the infobox, and the two timelines side by side. I suggest as a start that the five photos beside the infobox be distributed lower in the article. Alternatively, some of the photos could be moved to a gallery at the bottom of the article, and some might not really be necessary in the article, e.g. the "Satellite photo of the Lake Taupō caldera" is largely redundant to the photo within the infobox.-gadfium 04:43, 18 October 2022 (UTC)[reply]

Okay, I've made a bit of a start - moved a lot of the images to the left side (got rid of a couple per your suggestion), and fixed a few errors in the text (including removing a bunch of excess links). There's still a fair bit to do, but hopefully that makes a bit of a dent. Turnagra (talk) 08:56, 20 October 2022 (UTC)[reply]

Much better at the top of the article. The lower part was still showing letterboxing of the text between the images and the map. I've reduced the map size a little bit and moved the images below it. The images are now compressing the references, but that's probably okay.-gadfium 18:54, 20 October 2022 (UTC)[reply]

The new changes to wikipedia's skin seem to have exacerbated this a bit, and I'm also finding that the large size of the article is making it slow to load - ChaseKiwi, as the main person adding stuff to the article at the moment, how would you feel about the timeline or some of the other information along those lines being split off to improve readability of the article? Turnagra (talk) 20:05, 20 January 2023 (UTC)[reply]

No objections and would cooperate in formatting if there was a community consensus but not volunteering to do the major rewrite required to do it well !

I just checked on a virgin local browser cache (can not guarantee no relatively local to me large ISP/cloud cache compared to parts of world that have fewer data centres and main pipes) and there is no loading issue at about 6 M/sec although anyone could have problems at 500kB/sec given the 16 odd images. One loading issue that happens rarely but would apply to this page recently is if you were the first user to use the page after the database used on an openstreet map is updated. The central wikipedia server has to redo once the thumbnail image of such a map as unlike image thumbs the map is usually uniquely centred and zoomed for an article. Its presented as a thumb image to preserve bandwidth, and only becomes a vector image (much more data, megabyte or more typical) once you click on it to enlarge it. Some of the images or maps on this page are used in more than one article so have to change in central cache with a second or two of generation time first time. The North Island volcanics location database, while approaching complete now, has had 15 updates since it first went live on this page on 5th Jan as it had no or little data on Northland, Taranaki, Coromandel or off shore island volcanics then.

I only went from Monobook to Vector(2022) very recently as had not liked Vector as it like Vector(2022) has too much white space for smaller sized screens and people like me brought up on text books or broadsheet newspapers. Vector(2022) is good for forcing on some formatting issues and I had noted others attempts since October to cope with the Timelines.

Note that while formatting openstreet maps smaller is trivial, that due to a bug in the underlying vector graphics conversion to png thumb fixed graphics, certain map zoom/size combinations lose the overlay and you don't know this until you go to hard publish. Not a bug in a standard opensource software library I, or I suspect Wikipedia are going to solve. ChaseKiwi (talk) 00:56, 21 January 2023 (UTC)[reply]

I think the easiest first step would be to split the big yellow timelines off into a List of eruptions in the Taupō Volcanic Zone - do you think a proposed title like that covers everything well enough and would work? I think this would mostly be a table similar to List of earthquakes in New Zealand, with the date, location, VEI and other notes. We could maybe split it into rough time periods as well (since human settlement would be the obvious one, with the inclusion of a death toll / impact column if known. Turnagra (talk) 03:30, 21 January 2023 (UTC)[reply]

For some of the data in particular the VEIs it is not trivial manually from either the timeline file or from original sources so not a task I volunteer to do presently. The VEIs should be integers however. Not feeling like writing macros to do it from the timeline data either. As original references tend to have such data in tables, sometimes in supplements to original paper but not always, I resisted the impulse to duplicate and copy in some cases fairly large extracts from others data accumulations with its copyright implications but rather with timeline functionality created original work. I really feel wikipedia is not the place for tables of locations and timings all eruptions so far identified in the zone - graphs show however interesting relationships as eruptions are not completely random in time given variables such as accumulation time in the magma chamber and melt changes which keep the academics going with their fine tuning and composition analysis. A good picture is better than a thousand words for a non academic but if the simple suggestions of pattern in the timelines stimulate others to look at the original academic work, good - that why I did them ChaseKiwi (talk) 23:10, 25 January 2023 (UTC)[reply]