Lau basin, T-waves, crustal seismicity, backarc tectonics, Earth, Basins (Geology), Seismology, Earthquake intensity, Tectonics (Geology), Mantle, Ocean bottom
Arc volcanism, Acoustics, Hydrophone monitoring, Hunga Ha'apai-Hunga Tonga Volcano, Surtseyan eruption, Volcanoes, Seismology, Volcanism, Analysis, Earthquake intensity