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Moment tensor solutions

PDE

YR	MO	DA	HR	MN	SEC	LAT	LON	DEPTH(Km)	Mw	Region
2009	03	19	18	17	40.9	-23.05	-174.66	34	7.6	TONGA ISLANDS

IISEE CMT
Principal Investigator: Tatsuhiko Hara (IISEE. E-mail: thara at kenken.go.jp)

YR	MO	DA	HR	MN	SEC	LAT	LON	DEPTH(Km)
2009	03	19	18	17	40	-23.08	-174.23	50

Exp	Mrr	Mrt	Mrf	Mtt	Mtf	Mff
27	2.662	-0.798	-1.229	0.512	-0.601	-3.174
	(0.028)	(0.035)	(0.033)	(0.045)	(0.032)	(0.053)

A number in brackets below each component is an error for that components

Moment of the earthquake	Non-double-couple component	Mw	strike1	dip1	slip1	strike2	dip2	slip2
3.32e+27	-0.133	7.62	355	34	67	201	58	105

High frequency P wave duration time and Magnitude (following Hara 2007)

Duration(s)	M
24.70	7.79

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Aftershock distribution

IISEE :
Principal Investigator: Nobuo Hurukawa (IISEE. E-mail: hurukawa at kenken.go.jp)

LONG	LAT	DEPTH	M	Strike1	Dip1	Strike2	Dip2
								-174.23	-23.08	49.1	7.6	205	44	194	-46

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Rupture process

Principal Investigator: Yuji Yagi (Tsukuba University/ IISEE visiting researcher. E-mail: yagi-y at geol.tsukuba.ac.jp)

Slip distribution
Focal mechanism and source time function

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Studies related to this event

Author(s)	Journal	Year	Vol.	pages	URL (abstract)
Liu et al.	Acta Seismologica Sinica	2009	31	226-229	http://d.wanfangdata.com.cn/Periodical_dizhen200902014.aspx

Further information

Title	URL
Preliminary Earthquake Report (USGS)	http://earthquake.usgs.gov/earthquakes/eqinthenews/2009/us2009ejbr/