thumbnail

Application of microtremor horizontal-to-vertical spectral ratio (MHVSR) analysis for site characterization: State of the art

Surveys in Geophysics

By:
, , , , , , , , and ORCID iD
https://doi.org/10.1007/s10712-018-9464-4

Links

Abstract

Nakamura (Q Rep Railway Tech Res Inst 30:25–33, 1989) popularized the application of the horizontal-to-vertical spectral ratio (HVSR) analysis of microtremor (seismic noise or ambient vibration) recordings to estimate the predominant frequency and amplification factor of earthquake shaking. During the following quarter century, popularity in the microtremor HVSR (MHVSR) method grew; studies have verified the stability of a site’s MHVSR response over time and validated the MHVSR response with that of earthquake HVSR response. Today, MHVSR analysis is a popular reconnaissance tool used worldwide for seismic microzonation and earthquake site characterization in numerous regions, specifically, in the mapping of site period or fundamental frequency and inverted for shear-wave velocity depth profiles, respectively. However, the ubiquity of MHVSR analysis is predominantly a consequence of its ease in application rather than our full understanding of its theory. We present the state of the art in MHVSR analyses in terms of the development of its theoretical basis, current state of practice, and we comment on its future for applications in earthquake site characterization.

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Application of microtremor horizontal-to-vertical spectral ratio (MHVSR) analysis for site characterization: State of the art
Series title:
Surveys in Geophysics
DOI:
10.1007/s10712-018-9464-4
Issue:
Online First
Year Published:
2018
Language:
English
Publisher:
Springer
Contributing office(s):
Earthquake Science Center