مشخصات زلزله

Magnitude	:4.2
Date & Time (UTC)	2011-02-20 11:22:16.3
Date & Time (Local)	1389/12/1  14:52:16.3
Location	Lat:35.47 Lon: 51.78
Region	Tehran Province, 10 km East of Pakdasht
Nearest Cities
	9 km East of Pakdasht, Tehran Province
	14 km North of Khalilabad, Tehran Province
	18 km North East of Qarchak, Tehran Province
	19 km North of Pishva, Tehran Province
	20 km North East of Varamin, Tehran Province
Depth	26 km
Agency
Faults within 150 km:
	EYVANEKEY_F (Length: 74 km) , Distance to epicenter: 5 km
	KAHRIZAK_F (Length: 44 km) , Distance to epicenter: 18 km
	PISHAV_F (Length: 34 km) , Distance to epicenter: 20 km
Number of Phases	6
RMS	0.3
Number of Stations	5
Error in Latitude	>5 km
Error in Longitude	6.3 km
Error in Depth	6.5 km

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Amplitude
UID	Agency	Station	Component	Amplitude	Period	Arrival Time	Proccessing Time	Signal Clip
77964	IIEES	DAMV	E	33780.9	0.12	2011-02-20 11:22:26	2011-02-20 11:33:00	n

Phase
Agency	Station	Component	Phase Type	Phase Quality	First Motion	Observed Arrival Time	Time Residual	Loc. Flag	Input Weight	Distance	Azimuth
IIEES	DAMV	Z	Pg	E		2011-02-20 11:22:22	0.2	y		24.7	44
IIEES	CHTH	Z	Pg	E		2011-02-20 11:22:29	-0.2	y		76.8	309
IIEES	GHVR	Z	Pg	E		2011-02-20 11:22:35	-0.5	y		120	204
IIEES	ASAO	Z	Pn	E		2011-02-20 11:22:46	-0.2	y		190	238
IIEES	ASAO	N	Sg	E		2011-02-20 11:23:09	0.3	y		190	238
IIEES	KHMZ	Z	Pn	E		2011-02-20 11:22:55	0.4	y		254	222