Reviving mB

被引：16

作者：

Kanamori, Hiroo ^{[1
]}

Ross, Zachary E. ^{[1
]}

机构：

[1] CALTECH, Seismol Lab, Pasadena, CA 91125 USA

来源：

GEOPHYSICAL JOURNAL INTERNATIONAL | 2019年 / 216卷 / 03期

关键词：

Body waves; Earthquake dynamics; Earthquake hazards; Earthquake source observations; Wave propagation; Subduction zone processes; EARTHQUAKE CATALOG 1900-2009; GREAT SHALLOW EARTHQUAKES; M-W; DEEP EARTHQUAKES; SEISMIC MOMENT; WAVE ENERGY; M-S; MAGNITUDE; RUPTURE; STRESS;

D O I：

10.1093/gji/ggy510

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

We determine m(B), the original body wave magnitude developed by Gutenberg and Richter over the period 1942-1956, for about 3300 M-w >= 6 earthquakes for the period 1988-present using modern broad-band seismograms. The main objective is to extend the database of energy-related parameters by combining mB databases for recent and old events. The radiated energy E-R_B (in erg) computed from m(B) using the Gutenberg & Richter relation log E-R_B = 2.4m(B) + 5.8 agrees very well with E-R estimated with modern techniques, especially for large deep earthquakes. Thus, E-R_B is useful as a proxy for E-R to investigate the global diversity of earthquake characteristics and physics over an extended period of time.

引用

页码：1798 / 1816

页数：19

共 70 条

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