Lehmann discontinuity

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Lehmann discontinuity

Quality:

Lehmann discontinuity - abrupt increase of P-wave and S-wave velocities at the depth of 220±30 km. Article “Lehmann discontinuity” in English Wikipedia has 26.5 points for quality (as of July 1, 2025). The article contains 8 references and 4 sections.

This article has the best quality in Ukrainian Wikipedia. However, this article is the most popular in English version.

Since the creation of article “Lehmann discontinuity”, its content was written by 53 registered users of English Wikipedia and edited by 266 registered Wikipedia users in all languages.

The article is cited 35 times in English Wikipedia and cited 315 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (English): #111889 in February 2018
  • Global: #16008 in May 2015

The highest popularity rank from 2008:

  • Local (English): #30928 in May 2015
  • Global: #13263 in May 2015

There are 20 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1Ukrainian (uk)
Межа Леманн
30.7736
2Chinese (zh)
雷氏不連續面
29.8435
3English (en)
Lehmann discontinuity
26.4819
4Korean (ko)
레만 불연속면
25.4475
5French (fr)
Discontinuité de Lehmann
23.0728
6Persian (fa)
ناپیوستگی لهمان
22.928
7Japanese (ja)
レーマン不連続面
22.6479
8Italian (it)
Discontinuità di Lehmann
20.4458
9Galician (gl)
Descontinuidade de Lehmann
18.8123
10Catalan (ca)
Discontinuïtat de Lehmann
18.2952
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "Lehmann discontinuity" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
Lehmann discontinuity
249 978
2Spanish (es)
Discontinuidad de Lehmann
193 181
3French (fr)
Discontinuité de Lehmann
109 926
4Italian (it)
Discontinuità di Lehmann
84 062
5Polish (pl)
Nieciągłość Lehmann
41 629
6Japanese (ja)
レーマン不連続面
41 210
7German (de)
Lehmann-Diskontinuität
38 367
8Portuguese (pt)
Descontinuidade de Lehmann
37 794
9Chinese (zh)
雷氏不連續面
35 601
10Russian (ru)
Граница Леманн
33 670
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "Lehmann discontinuity" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
Lehmann discontinuity
689
2Italian (it)
Discontinuità di Lehmann
422
3Japanese (ja)
レーマン不連続面
348
4Spanish (es)
Discontinuidad de Lehmann
208
5Chinese (zh)
雷氏不連續面
176
6French (fr)
Discontinuité de Lehmann
175
7German (de)
Lehmann-Diskontinuität
92
8Polish (pl)
Nieciągłość Lehmann
67
9Portuguese (pt)
Descontinuidade de Lehmann
64
10Korean (ko)
레만 불연속면
57
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "Lehmann discontinuity" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
Lehmann discontinuity
53
2French (fr)
Discontinuité de Lehmann
29
3German (de)
Lehmann-Diskontinuität
24
4Russian (ru)
Граница Леманн
19
5Spanish (es)
Discontinuidad de Lehmann
17
6Italian (it)
Discontinuità di Lehmann
17
7Vietnamese (vi)
Điểm gián đoạn Lehmann
15
8Dutch (nl)
Lehmanndiscontinuïteit
14
9Korean (ko)
레만 불연속면
12
10Portuguese (pt)
Descontinuidade de Lehmann
12
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "Lehmann discontinuity" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Chinese (zh)
雷氏不連續面
1
2Catalan (ca)
Discontinuïtat de Lehmann
0
3Danish (da)
Lehmann-diskontinuiteten
0
4German (de)
Lehmann-Diskontinuität
0
5English (en)
Lehmann discontinuity
0
6Spanish (es)
Discontinuidad de Lehmann
0
7Persian (fa)
ناپیوستگی لهمان
0
8French (fr)
Discontinuité de Lehmann
0
9Galician (gl)
Descontinuidade de Lehmann
0
10Italian (it)
Discontinuità di Lehmann
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "Lehmann discontinuity" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1Korean (ko)
레만 불연속면
72
2French (fr)
Discontinuité de Lehmann
41
3English (en)
Lehmann discontinuity
35
4Persian (fa)
ناپیوستگی لهمان
24
5Ukrainian (uk)
Межа Леманн
19
6Turkish (tr)
Lehmann süreksizliği
16
7Spanish (es)
Discontinuidad de Lehmann
15
8Vietnamese (vi)
Điểm gián đoạn Lehmann
15
9Japanese (ja)
レーマン不連続面
12
10Chinese (zh)
雷氏不連續面
12
More...

Scores

Estimated value for Wikipedia:
English:
Global:
Popularity in June 2025:
English:
Global:
Popularity in all years:
English:
Global:
Authors in June 2025:
English:
Global:
Registered authors in all years:
English:
Global:
Citations:
English:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Discontinuïtat de Lehmann
daDanish
Lehmann-diskontinuiteten
deGerman
Lehmann-Diskontinuität
enEnglish
Lehmann discontinuity
esSpanish
Discontinuidad de Lehmann
faPersian
ناپیوستگی لهمان
frFrench
Discontinuité de Lehmann
glGalician
Descontinuidade de Lehmann
itItalian
Discontinuità di Lehmann
jaJapanese
レーマン不連続面
koKorean
레만 불연속면
nlDutch
Lehmanndiscontinuïteit
plPolish
Nieciągłość Lehmann
ptPortuguese
Descontinuidade de Lehmann
ruRussian
Граница Леманн
slSlovenian
Lehmannova nezveznost
trTurkish
Lehmann süreksizliği
ukUkrainian
Межа Леманн
viVietnamese
Điểm gián đoạn Lehmann
zhChinese
雷氏不連續面

Popularity rank trends

Best Rank English:
#30928
05.2015
Global:
#13263
05.2015

AI rank trends

Best Rank English:
#111889
02.2018
Global:
#16008
05.2015

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on Lehmann discontinuity from Wikipedia articles about Mohorovičić discontinuity, Inge Lehmann, Core–mantle boundary, Earths core and Internal structure of Earth. Whereas reading the article about Lehmann discontinuity people most often go to Wikipedia articles on Inge Lehmann, Inner core, Secondary wave, Conrad discontinuity and Primary wave.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

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About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information