Large low-shear-velocity provinces

2e360911-388b-4716-a8b1-a37ba241df33

ID
2e360911-388b-4716-a8b1-a37ba241df33
Trending date
2026-04-21
Title
Large_low-shear-velocity_provinces
Normalized title
Large low-shear-velocity provinces
Link
https://en.wikipedia.org/wiki/Large_low-shear-velocity_provinces
Wikipedia
Open article
Extract
<p><b>Large low-shear-velocity provinces</b> (<b>LLSVPs</b>), also called <b>large low-velocity provinces</b> (<b>LLVPs</b>) or <b>superplumes</b>, are characteristic structures of parts of the lowermost mantle, the region surrounding the outer core deep inside the Earth. These provinces are characterized by slow shear wave velocities and were discovered by seismic tomography of deep Earth. There are two main provinces: the <b>African LLSVP</b> and the <b>Pacific LLSVP</b>, both extending laterally for thousands of kilometers and possibly up to 1,000 kilometers vertically from the core–mantle boundary. These have been named <b>Tuzo</b> and <b>Jason</b>, respectively, after Tuzo Wilson and W. Jason Morgan, two geologists acclaimed in the field of plate tectonics. The Pacific LLSVP (Jason) is 3,000 kilometers across and underlies four hotspots on Earth's crust that suggest multiple mantle plumes underneath. These zones represent around 8% of the volume of the mantle, or 6% of the entire Earth.</p>
Summary
Massive slow-velocity zones in Earth's deep mantle discovered through seismic imaging.
View count
48678
Rank
44
Mystery rank
50
Newly trending
true
View delta %
6689
Mystery
false
Trending reason
Trending reason (short)
Trending reason source
Search query used
Large low-shear-velocity provinces
Prompt version
v2.3
Flag for test
false
Created at
2026-04-22T18:58:31.567306+00:00
View history (JSON)
[
  {
    "date": "2026-04-17Z",
    "views": 765
  },
  {
    "date": "2026-04-18Z",
    "views": 628
  },
  {
    "date": "2026-04-19Z",
    "views": 700
  },
  {
    "date": "2026-04-20Z",
    "views": 717
  },
  {
    "date": "2026-04-21Z",
    "views": 48678
  }
]
Raw search results
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