Tefra

Tephra - fragmental material produced by a volcanic eruption. Article “Tefra” in Czech Wikipedia has 25.2 points for quality (as of July 1, 2026). The article contains 4 references and 3 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Czech) language version.

Since the creation of article “Tefra”, its content was written by 5 registered users of Czech Wikipedia and edited by 532 registered Wikipedia users in all languages.

The article is cited 72 times in Czech Wikipedia and cited 4096 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Czech): #6123 in September 2016
• Global: #9474 in December 2008

The highest popularity rank from 2008:

• Local (Czech): #52522 in February 2025
• Global: #40789 in June 2018

There are 37 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, 2026 (including revision history and pageviews for previous years).

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

#	Language	Quality grade	Quality score
1	English (en) Tephra		62.1763
2	Slovenian (sl) Tefra		59.7834
3	Chinese (zh) 火山噴發碎屑		30.445
4	Japanese (ja) テフラ		29.552
5	Norwegian (Nynorsk) (nn) Tefra		29.2428
6	Hungarian (hu) Tefra		28.1415
7	Polish (pl) Tefra		25.9247
8	Czech (cs) Tefra		25.1713
9	Slovak (sk) Tefra		24.4251
10	Latin (la) Tephra		23.6181

More...

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

The most popular language versions of the article "Tefra" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Tephra		1 979 977
2	Spanish (es) Piroclasto		790 675
3	Japanese (ja) テフラ		197 945
4	Portuguese (pt) Piroclasto		180 038
5	Russian (ru) Тефра		136 954
6	Dutch (nl) Tefra		96 594
7	Italian (it) Tefra		27 058
8	Norwegian (no) Tefra		19 187
9	Hungarian (hu) Tefra		18 718
10	Czech (cs) Tefra		18 191

More...

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

The most popular language versions of the article "Tefra" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Tephra		7 667
2	Spanish (es) Piroclasto		778
3	Japanese (ja) テフラ		539
4	Russian (ru) Тефра		365
5	Dutch (nl) Tefra		264
6	Portuguese (pt) Piroclasto		206
7	Italian (it) Tefra		157
8	Chinese (zh) 火山噴發碎屑		138
9	Czech (cs) Tefra		93
10	Persian (fa) آذرآوار		71

More...

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

Language versions of the article "Tefra" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Tephra		147
2	Spanish (es) Piroclasto		53
3	Dutch (nl) Tefra		40
4	Japanese (ja) テフラ		35
5	Russian (ru) Тефра		32
6	Hungarian (hu) Tefra		21
7	Latin (la) Tephra		21
8	Portuguese (pt) Piroclasto		21
9	Hebrew (he) טפרה		20
10	Italian (it) Tefra		14

More...

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

Language versions of the article "Tefra" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) تفرا		2
2	Bulgarian (bg) Тефра		0
3	Catalan (ca) Tefra		0
4	Czech (cs) Tefra		0
5	English (en) Tephra		0
6	Spanish (es) Piroclasto		0
7	Estonian (et) Tefra		0
8	Basque (eu) Piroklasto		0
9	Persian (fa) آذرآوار		0
10	Finnish (fi) Tefra		0

More...

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

Language versions of the article "Tefra" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	Japanese (ja) テフラ		851
2	English (en) Tephra		644
3	Portuguese (pt) Piroclasto		625
4	Spanish (es) Piroclasto		361
5	Romanian (ro) Piroclaste		206
6	Russian (ru) Тефра		116
7	Chinese (zh) 火山噴發碎屑		113
8	Dutch (nl) Tefra		101
9	Hebrew (he) טפרה		92
10	Catalan (ca) Tefra		80

More...

#	Language	Value
ar	Arabic تفرا
bg	Bulgarian Тефра
ca	Catalan Tefra
cs	Czech Tefra
en	English Tephra
es	Spanish Piroclasto
et	Estonian Tefra
eu	Basque Piroklasto
fa	Persian آذرآوار
fi	Finnish Tefra
he	Hebrew טפרה
hi	Hindi टेफ़्रा
hu	Hungarian Tefra
id	Indonesian Tefra
it	Italian Tefra
ja	Japanese テフラ
ko	Korean 테프라
la	Latin Tephra
lt	Lithuanian Piroklastai
ms	Malay Tefra
nl	Dutch Tefra
nn	Norwegian (Nynorsk) Tefra
no	Norwegian Tefra
pl	Polish Tefra
pt	Portuguese Piroclasto
ro	Romanian Piroclaste
ru	Russian Тефра
sh	Serbo-Croatian Tefra
simple	Simple English Tephra
sk	Slovak Tefra
sl	Slovenian Tefra
sr	Serbian Тефра
tr	Turkish Piroklast
uk	Ukrainian Тефра
ur	Urdu ٹیفرا
vi	Vietnamese Mạt vụn núi lửa
zh	Chinese 火山噴發碎屑

Best Rank

Czech: #52522 02.2025

Global: #40789 06.2018

Best Rank

Czech: #6123 09.2016

Global: #9474 12.2008

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Czech Wikipedia the most popular articles on that day were: Simona Monyová, Konžská demokratická republika, Mistrovství světa ve fotbale 2026, Senegal, Boris Ingr, Sára Milfajtová, Barbora Krejčíková, Erling Haaland, Bitva na Sommě, Marko Čermák.

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 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information