What is the Impact Factor of Underground Space?

According to the latest Clarivate Journal Citation Reports (JCR), the Journal Impact Factor of Underground Space is 9.50, ranking in quartile Q1 of Web of Science (SCIE).

Is Underground Space indexed in Web of Science or Scopus?

Yes, Underground Space is indexed in Web of Science (SCIE, Q1 quartile). Furthermore, in Scopus (SCImago), it holds an SJR rating of 2.095 (Q1) and an H-index of 51.

Who publishes Underground Space and what is the Article Processing Charge (APC)?

Underground Space is published by KEAI PUBLISHING LTD. It operates under a Diamond Open Access model, exempting authors completely from Article Processing Charges ($0 USD APC).

What is the ISO-4 abbreviation and acronym of Underground Space?

The official ISO-4 abbreviation of Underground Space is "UNDERGROUND SPACE". This standardized title abbreviation is used in citation lists conforming to IEEE, APA, Harvard, or Vancouver styles.

WoS SCIE Q1Scopus Q1SCImago #1,309Top JournalDiamond OAHybridDomestic Journal

Underground Space

Abbreviation (ISO):UNDERGROUND SPACE

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Identifier (ISSN):2096-2754(Print)/2467-9674(Online)

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Publisher:KEAI PUBLISHING LTD

Official Website Submission Portal Compare

Clarivate IF (2026)

9.5↑ +1.2

Journal Impact Factor

IF Trend↓

WoS Quartile

WoS SCIETop Tier

Clarivate WoS JCR

WoS Categories↓

JCR Release Date: 2026-06-17

Impact Factor Trend (2022–2026)

Clarivate IF trend for Underground Space

WoS Q1

Annual Impact Factor Metric

Current (2026):9.5

Scopus SJR & RankScopus Q1

2.095

#1,309

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025

H-Index (2025)

51 papers with at least that number of citations each

WoS: SCIE / JCRTop Tier

Self-Citation Rate11%

Safe Level (< 15%)Warning Level (> 20%)

Self-citation below 15% indicates strong scholarly independence.

Volume & Open AccessHybrid

58articles/year

99.4% Gold OA•95.79% Original Research

Aims & Scope

Underground Space (abbr: UNDERGROUND SPACE, ISSN: 2096-2754) is a peer-reviewed international scholarly journal in the field of ENGINEERING, published by KEAI PUBLISHING LTD in China. The periodical holds a Journal Impact Factor (JIF) of 9.50, ranking in quartile Q1 of Web of Science (SCIE), a Scopus SJR indicator of 2.095 (Q1), an H-index of 51.

Topics Covered (Recognized by AI)

Engineering96.9%Geology78%Geotechnical engineering67.2%Physics64.5%Computer science57.6%Geography56.2%Structural engineering55.1%Biology48.6%Mathematics47.2%Civil engineering45.9%Materials science44.6%Thermodynamics41.4%History38.9%Composite material38.4%Archaeology37%Paleontology33.8%Quantum mechanics32.7%Political science22.8%Law22.7%Philosophy22.5%Economics21.8%Mechanical engineering21%

Primary Research Areas

Engineering Civil

Official Website NLM PubMed Catalog SCImago Profile

0 calls

Special Issues

Calls for Papers

No active Calls for Papers found for this journal.

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WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI

JCRSCIE2026

ENGINEERING, CIVIL

Rank5/193

IndexSCIE

JCISCIE2026

ENGINEERING, CIVIL

Rank2/193

IndexSCIE

Category	Index	Rank	Quartile
ENGINEERING, CIVIL	JCRSCIE	5/193	Q1
ENGINEERING, CIVIL	JCISCIE	2/193	Q1

Annual Historical Statistics & Publications

Track annual publication volume, total citations, and Impact Factor evolution

12 year

2026Latest

IF9.5

Articles / Year72

Total Citations75

2025

IF8.3

Articles / Year121

Total Citations634

2024

IF8.2

Articles / Year99

Total Citations1,707

2023

IF6.4

Articles / Year130

Total Citations3,525

2022

IF5.327

Articles / Year69

Total Citations2,619

Year	Impact Factor	Articles / Year	Total Citations
2026	9.5	72	75
2025	8.3	121	634
2024	8.2	99	1,707
2023	6.4	130	3,525
2022	5.327	69	2,619
2021	—	49	1,614
2020	—	42	2,514
2019	—	42	1,531
2018	—	45	1,296
2017	—	27	1,107
2016	—	10	301
2014	—	1	0

SCImago & Scopus Journal Intelligence

Global SCImago ranking, SJR prestige index, Scopus coverage, and societal policy impact

Rank #1,309Scopus Q1Diamond OASCImago Profile

Scopus Coverage:2016-2026

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Scopus Broad Areas:Earth and Planetary SciencesEngineering

Scopus Citation Rank (SJR)Q1

2.095

Weighted prestige citation metric per document indexed in the Scopus database.

Quartile: Scopus Q1

Citations / Doc (2 years)

9.72

Average citations received per document published in the 2-year window.

2-Year Citation Window

Estimated Publication Fee (APC)

100% Free

Diamond Open Access: Authors publish completely free of charge with zero author-facing fees.

Diamond Open Access

Scopus 3-Year Publication & Citation Window

3-Year Citations2,972

3-Year Documents286

Citable Documents283

Aggregated from Scopus database across the 3-year SJR evaluation window.

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)0

Citations in government and international policy documents

Female Author Rate27.9%

Percentage of female authors published in the journal

Real-world societal policy reach and author gender diversity tracked by SCImago.

Scopus Subject Categories

Building and ConstructionQ1

Civil and Structural EngineeringQ1

Geotechnical Engineering and Engineering GeologyQ1

Academic Metric Intelligence

Journal Metrics & Citation Visualizations

Total Cites vs Self-Cites

Evaluation of scholarly independence and citation reach

Total citations steady growth

Self-citation: 11%

Citations per Document

Citation metric windows across 2, 3, and 4 years

Cites / Doc (4 years)Cites / Doc (3 years)Cites / Doc (2 years)

Chinese Academy of Sciences (CAS) Classification

Major / minor zone classification and CAS Early Warning List history

Major Category (Broad Field):

1区 (Zone 1)Engineering & Technology

Minor Category (Specific Field):

1区ENGINEERING, CIVIL

CAS Early Warning List History:

Updated annually: 2020 – 2024

2020

Not warned

2021

Not warned

2022

Not warned

2023

Not warned

2024

Not warned

Academic Intelligence Overview & Context

ImpaQ Analysis

The journal enforces rigorous peer evaluation with an annual output of approximately 58 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with Diamond Open Access (100% free of author APC charges). It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.