Yes, it is. Journal of Structural and Earthquake Engineering (JSEE) is a peer reviewed journal. It follows single blind peer review policy. The journal strictly maintains the academic review policy and publication ethics.
Yes, JSEE is a scientific journal abstracted/indexed in:
ICI Journals Master List (Index Copernicus)
Google Scholar
J-Gate
Directory of Open Access Journals (DOAJ)
CNKI Scholar (China National Knowledge Infrastructure)
ScienceOpen
JournalTOCs
Researchgate (RG)
Elektronische Zeitschriftenbibliothek (EZB)
Scientific Indexing Services (SIS)
Information Matrix for the Analysis of Journals (MIAR)
Open Academic Journals Index (OAJI)