💧🌏 Greg Cocks<p>A Seismic Precursor 15 Min Before The Giant Eruption Of Hunga Tonga-Hunga Ha'apai Volcano On 15 January 2022<br>--<br><a href="https://doi.org/10.1029/2024GL111144" rel="nofollow noopener" translate="no" target="_blank"><span class="invisible">https://</span><span class="">doi.org/10.1029/2024GL111144</span><span class="invisible"></span></a> &lt;-- shared paper<br>--<br>"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..."<br><a href="https://techhub.social/tags/geology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>geology</span></a> <a href="https://techhub.social/tags/seismology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>seismology</span></a> <a href="https://techhub.social/tags/tonga" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>tonga</span></a> <a href="https://techhub.social/tags/volcano" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>volcano</span></a> <a href="https://techhub.social/tags/eruption" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>eruption</span></a> <a href="https://techhub.social/tags/vulcanism" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>vulcanism</span></a> <a href="https://techhub.social/tags/HungaTonga" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HungaTonga</span></a> <a href="https://techhub.social/tags/RayleighWave" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>RayleighWave</span></a> <a href="https://techhub.social/tags/earthquake" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>earthquake</span></a> <a href="https://techhub.social/tags/precursor" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>precursor</span></a> <a href="https://techhub.social/tags/remotesensing" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>remotesensing</span></a> <a href="https://techhub.social/tags/imagery" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>imagery</span></a> <a href="https://techhub.social/tags/satellite" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>satellite</span></a> <a href="https://techhub.social/tags/HTHH" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>HTHH</span></a> <a href="https://techhub.social/tags/model" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>model</span></a> <a href="https://techhub.social/tags/modeling" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>modeling</span></a> <a href="https://techhub.social/tags/spatialanalysis" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spatialanalysis</span></a> <a href="https://techhub.social/tags/spatiotemporal" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>spatiotemporal</span></a> <a href="https://techhub.social/tags/caldera" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>caldera</span></a> <a href="https://techhub.social/tags/seismicstation" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>seismicstation</span></a> <a href="https://techhub.social/tags/monitoring" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>monitoring</span></a> <a href="https://techhub.social/tags/naturalhazard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>naturalhazard</span></a> <a href="https://techhub.social/tags/naturaldisaster" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>naturaldisaster</span></a> <a href="https://techhub.social/tags/risk" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>risk</span></a> <a href="https://techhub.social/tags/hazard" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>hazard</span></a> <a href="https://techhub.social/tags/engineeringgeology" class="mention hashtag" rel="nofollow noopener" target="_blank">#<span>engineeringgeology</span></a></p>