We present a new data set of nearly 100 earthquakes which show clear evidence of the
Hawaiian ultra-low velocity zone (ULVZ) in the S core-diffracted phase (Sdiff), representing …

There are various hotspots in the Atlantic Ocean, which are underlain by mantle plumes that
likely cross the mantle and originate at the core‐mantle boundary. We use teleseismic core …

Seismic methodologies key to unlocking Earth’s lowermost mantle | Nature Geoscience Skip to
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In recent decades, ultra-low velocity zones (ULVZs)–thin patches of strongly reduced
seismic velocity atop the core-mantle boundary (CMB)–have been inferred from …

Ultra‐low velocity zones (ULVZs) are anomalous regions on the core–mantle boundary. In
the past decade, several ULVZs, and particularly the Hawaiian ULVZ, have been studied …

Abstract Sanne Cottaar, Carl Martin, Stuart Russell, and Lisanne Jagt explore the
surprisingly variable nature–and unsatisfactory terminology–of Earth's core-mantle …