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#hthh

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💧🌏 Greg Cocks<p>A Seismic Precursor 15 Min Before The Giant Eruption Of Hunga Tonga-Hunga Ha&#39;apai Volcano On 15 January 2022<br />--<br /><a href="https://doi.org/10.1029/2024GL111144" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="">doi.org/10.1029/2024GL111144</span><span class="invisible"></span></a> &lt;-- shared paper<br />--<br />&quot;KEY POINTS:<br /> • The volcano generated Rayleigh waves about 15 min before the giant eruption with no apparent surface activity<br /> • These waves dominated in 0.03–0.1 Hz with amplitudes comparable to the amplitude of M4.9<br /> • Seismic stations 750 km from the volcano and appropriate data analyses allowed [them] to capture precursors of the catastrophic eruption...&quot;<br /><a href="https://techhub.social/tags/geology" class="mention hashtag" rel="tag">#<span>geology</span></a> <a href="https://techhub.social/tags/seismology" class="mention hashtag" rel="tag">#<span>seismology</span></a> <a href="https://techhub.social/tags/tonga" class="mention hashtag" rel="tag">#<span>tonga</span></a> <a href="https://techhub.social/tags/volcano" class="mention hashtag" rel="tag">#<span>volcano</span></a> <a href="https://techhub.social/tags/eruption" class="mention hashtag" rel="tag">#<span>eruption</span></a> <a href="https://techhub.social/tags/vulcanism" class="mention hashtag" rel="tag">#<span>vulcanism</span></a> <a href="https://techhub.social/tags/HungaTonga" class="mention hashtag" rel="tag">#<span>HungaTonga</span></a> <a href="https://techhub.social/tags/RayleighWave" class="mention hashtag" rel="tag">#<span>RayleighWave</span></a> <a href="https://techhub.social/tags/earthquake" class="mention hashtag" rel="tag">#<span>earthquake</span></a> <a href="https://techhub.social/tags/precursor" class="mention hashtag" rel="tag">#<span>precursor</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="tag">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/imagery" class="mention hashtag" rel="tag">#<span>imagery</span></a> <a href="https://techhub.social/tags/satellite" class="mention hashtag" rel="tag">#<span>satellite</span></a> <a href="https://techhub.social/tags/HTHH" class="mention hashtag" rel="tag">#<span>HTHH</span></a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="tag">#<span>model</span></a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="tag">#<span>modeling</span></a> <a href="https://techhub.social/tags/spatialanalysis" class="mention hashtag" rel="tag">#<span>spatialanalysis</span></a> <a href="https://techhub.social/tags/spatiotemporal" class="mention hashtag" rel="tag">#<span>spatiotemporal</span></a> <a href="https://techhub.social/tags/caldera" class="mention hashtag" rel="tag">#<span>caldera</span></a> <a href="https://techhub.social/tags/seismicstation" class="mention hashtag" rel="tag">#<span>seismicstation</span></a> <a href="https://techhub.social/tags/monitoring" class="mention hashtag" rel="tag">#<span>monitoring</span></a> <a href="https://techhub.social/tags/naturalhazard" class="mention hashtag" rel="tag">#<span>naturalhazard</span></a> <a href="https://techhub.social/tags/naturaldisaster" class="mention hashtag" rel="tag">#<span>naturaldisaster</span></a> <a href="https://techhub.social/tags/risk" class="mention hashtag" rel="tag">#<span>risk</span></a> <a href="https://techhub.social/tags/hazard" class="mention hashtag" rel="tag">#<span>hazard</span></a> <a href="https://techhub.social/tags/engineeringgeology" class="mention hashtag" rel="tag">#<span>engineeringgeology</span></a></p>
rexi<p><span class="h-card"><a href="https://mastodon.social/@NonnaWien" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>NonnaWien</span></a></span> (thanks for posting)<br><a href="https://www.nature.com/articles/s41558-022-01568-2.epdf" rel="nofollow noopener noreferrer" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">nature.com/articles/s41558-022</span><span class="invisible">-01568-2.epdf</span></a><br>"…it is possible that over a multiyear period <a href="https://mastodon.social/tags/HTHH" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>HTHH</span></a> will cause a temporary increase in global surface temperatures due to this large water vapour increase and lack of a large counterbalancing sulfate aerosol perturbation…"</p>
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