ImpaQ Ecosystem•Clarivate, Scopus & CORE Data
Clarivate WoS 2024 / 2025 Data
IMPAQ
WoS SCIE Q2Scopus Q1SCImago #3,360Hybrid

Earthquake Spectra

Abbreviation (ISO):EARTHQUAKE SPECTRA
•
Identifier (ISSN):8755-2930(Print)
•
Publisher:Earthquake Engineering Research Institute
Clarivate IF (2026)
3.9↑ +0.2
Journal Impact Factor
IF Trend↓
WoS Quartile
Q2
WoS SCIEJCR Quartile
Clarivate WoS JCR
WoS Categories↓
JCR Release Date: 2026-06-17

Impact Factor Trend (2018–2026)

Clarivate IF trend for Earthquake Spectra

WoS Q2
13572.082018220191.9320203.0320214.332022520233.120243.720253.92026
Annual Impact Factor Metric
Current (2026):3.9
Scopus SJR & RankScopus Q1
1.254
#3,360

SCImago Journal Rank citation prestige weighting

Scopus Year: 2025
H-Index (2025)
128

128 papers with at least that number of citations each

WoS: SCIE / JCRQ2
Self-Citation Rate12.9%
Safe Level (< 15%)Warning Level (> 20%)
Self-citation below 15% indicates strong scholarly independence.
Volume & Open AccessHybrid
124articles/year
29.27% Gold OA•100% Original Research

Aims & Scope

Earthquake Spectra, the professional peer-reviewed journal of the Earthquake Engineering Research Institute (EERI), serves as the publication of record for the development of earthquake engineering practice, earthquake codes and regulations, earthquake public policy, and earthquake investigation reports. The journal is published quarterly in both printed and online editions in February, May, August, and November, with additional special edition issues. EERI established Earthquake Spectra with the purpose of improving the practice of earthquake hazards mitigation, preparedness, and recovery — serving the informational needs of the diverse professionals engaged in earthquake risk reduction: civil, geotechnical, mechanical, and structural engineers; geologists, seismologists, and other earth scientists; architects and city planners; public officials; social scientists; and researchers.

Topics Covered (Recognized by AI)
EngineeringGeologyStructural EngineeringPhysicsCivil EngineeringComputer ScienceGeographyBiologyGeotechnical EngineeringMathematicsQuantum MechanicsMaterials ScienceComposite MaterialsThermodynamicsHistoryChemistryPaleontologyArchaeology

WoS Categories & Quartiles

Detailed JCR / JCI category rankings and quartile breakdown from Clarivate

Clarivate JCR & JCI
JCRSCIE2026

ENGINEERING, CIVIL

Q2
Rank51/193
IndexSCIE
JCRSCIE2026

ENGINEERING, GEOLOGICAL

Q2
Rank26/68
IndexSCIE
JCISCIE2026

ENGINEERING, CIVIL

Q1
Rank42/193
IndexSCIE
JCISCIE2026

ENGINEERING, GEOLOGICAL

Q2
Rank24/68
IndexSCIE

Annual Historical Statistics & Publications

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

12 year
2026Latest
IF3.9
Articles / Year129
Total Citations75
2025
IF3.7
Articles / Year119
Total Citations409
2024
IF3.1
Articles / Year150
Total Citations1,135
2023
IF5
Articles / Year118
Total Citations1,515
2022
IF4.33
Articles / Year97
Total Citations1,508

SCImago & Scopus Journal Intelligence

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

Rank #3,360Scopus Q1SCImago Profile
Scopus Coverage:1984-1990, 1992-1993, 1996-2025
Scopus Broad Areas:Earth and Planetary Sciences
Scopus Citation Rank (SJR)Q1
1.254

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

Quartile: Scopus Q1
Citations / Doc (2 years)
3.95

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

2-Year Citation Window
Estimated Publication Fee (APC)
$3,524 USD

Estimated Article Processing Charge for Open Access publication.

Estimated cost / article

Scopus 3-Year Publication & Citation Window

3-Year Citations1,470
3-Year Documents336
Citable Documents318

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

Societal Impact & Inclusivity (SCImago)

Policy Citations (Overton)2

Citations in government and international policy documents

Female Author Rate26.5%

Percentage of female authors published in the journal

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

Scopus Subject Categories

GeophysicsQ1
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: 12.9%

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):
3区 (Zone 3)Engineering & Technology
Minor Category (Specific Field):
3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

Earthquake Spectra (abbr: EARTHQUAKE SPECTRA, ISSN: 8755-2930) is a peer-reviewed international scholarly journal in the field of Engineering & Technology, published by Earthquake Engineering Research Institute in United States. The periodical holds a Journal Impact Factor (JIF) of 3.90, ranking in quartile Q2 of Web of Science (SCIE), a Scopus SJR indicator of 1.254 (Q1), an H-index of 128.

The journal enforces rigorous peer evaluation with a publication frequency of Quarterly, an annual output of approximately 124 scientific articles. In terms of accessibility and author fees, it operates under the Hybrid model with an estimated APC of $3,524 USD. It serves as a benchmark publication platform for academics, researchers, and doctoral candidates seeking global research visibility.

Publishing & Editorial Information

Detailed publisher, peer-review turnaround, and publication cycle specifications

Open Access Model
Hybrid
Publisher
Earthquake Engineering Research Institute
Publication Language
English
Frequency
Quarterly
Indexing & Databases
SCIEScopusPubMed
Editorial Address
EARTHQUAKE ENGINEERING RESEARCH INST, 499 14TH ST, STE 320, OAKLAND, USA, CA, 94612-1934

Similar Journals in Discipline

Journals in the same research field with comparable impact metrics

Record UUID: 5fdf1bdc-b635-4512-b3c2-db4ce14a9793
Database Updated: 2026-09-28