مشخصات زلزله

Magnitude	:3.1
Date & Time (UTC)	2011-02-20 22:38:36.1
Date & Time (Local)	1389/12/2  02:08:36.1
Location	Lat:35.4 Lon: 53.36
Region	Semnan Province, 19 km South of Semnan
Nearest Cities
	15 km East of Sorkheh, Semnan Province
	19 km South of Semnan, Semnan Province
	19 km South West of Alae, Semnan Province
	25 km East of Lasjerd, Semnan Province
	32 km South East of Aftar, Semnan Province
Depth	39 km
Agency
Faults within 150 km:
	KUH_E_GACHAB_F2 (Length: 31 km) , Distance to epicenter: 13 km
	ATARI_F (Length: 185 km) , Distance to epicenter: 31 km
	KUH_E_GACHAB_F1 (Length: 53 km) , Distance to epicenter: 38 km
Number of Phases	7
RMS	0.1
Number of Stations	6
Error in Latitude	>5.8 km
Error in Longitude	1.1 km
Error in Depth	2.5 km

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Amplitude
UID	Agency	Station	Component	Amplitude	Period	Arrival Time	Proccessing Time	Signal Clip
77965	IIEES	DAMV	N	311.5	0.44	2011-02-20 22:39:14	2011-02-20 10:57:00	n
77966	IIEES	DAMV	E	368.3	0.48	2011-02-20 22:39:16	2011-02-20 10:57:00	n
77967	IIEES	GHVR	E	161.8	0.28	2011-02-20 22:39:45	2011-02-20 10:57:00	n
77968	IIEES	GHVR	N	118	0.72	2011-02-20 22:39:53	2011-02-20 10:57:00	n
77969	IIEES	THKV	E	134.1	0.4	2011-02-20 22:39:42	2011-02-20 10:57:00	n
77970	IIEES	THKV	N	254.7	0.6	2011-02-20 22:39:43	2011-02-20 10:57:00	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 22:38:57	0	y		129	282
IIEES	DAMV	E	Sg	E		2011-02-20 22:39:13	0	y		129	282
IIEES	CHTH	Z	Pn	E		2011-02-20 22:39:07	-0.1	y		210	286
IIEES	THKV	Z	Pn	E		2011-02-20 22:39:10	0.1	y		232	285
IIEES	SHRO	Z	Pn	E		2011-02-20 22:39:12	0.1	y		249	73
IIEES	SHRO	E	Sg	E		2011-02-20 22:39:45	0	y		249	73
IIEES	ASAO	Z	P	E		2011-02-20 22:39:21	0	y		319	254