مشخصات زلزله

Magnitude	:3.1
Date & Time (UTC)	2007-04-21 20:09:33.5
Date & Time (Local)	1386/2/1  23:39:33.5
Location	Lat:36.21 Lon: 54.16
Region	17 km West of Damghan, Semnan Province
Nearest Cities
	17 km North of Seydabad, Semnan Province
	18 km North West of Damghan, Semnan Province
	20 km North of Amirabad, Semnan Province
	32 km North East of Darvar, Semnan Province
	36 km West of Mehmandust, Semnan Province
Depth	17 km
Agency
Faults within 150 km:
	DAMGHAN_F (Length: 95 km) , Distance to epicenter: 3 km
	ATARI_F (Length: 185 km) , Distance to epicenter: 9 km
	ASTANEH_F (Length: 72 km) , Distance to epicenter: 10 km
Number of Phases	8
RMS	0.5
Number of Stations	5
Error in Latitude	>14.4 km
Error in Longitude	11.5 km
Error in Depth	13.5 km

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Amplitude
UID	Agency	Station	Component	Amplitude	Period	Arrival Time	Proccessing Time	Signal Clip
38431	IIEES	DAMV	N	84.7	0.86	2007-04-21 20:10:37	2007-07-30 02:44:00	n
38432	IIEES	THKV	N	93.3	0.38	2007-04-21 20:11:01	2007-07-30 02:44:00	n
38433	IIEES	THKV	E	127.5	0.87	2007-04-21 20:11:01	2007-07-30 02:44:00	n
38434	IIEES	GHVR	N	48.2	0.71	2007-04-21 20:11:13	2007-07-30 02:44:00	n
38435	IIEES	GHVR	E	61.1	0.42	2007-04-21 20:11:16	2007-07-30 02:44:00	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	Pn	E		2007-04-21 20:10:05	-1.1	y		208	253
IIEES	MRVT	Z	Pg	E		2007-04-21 20:10:11	-0.5	y		235	46
IIEES	MRVT	E	Sg	E		2007-04-21 20:10:40	0.4	y		235	46
IIEES	CHTH	Z	Pn	E		2007-04-21 20:10:15	0.5	y		276	264
IIEES	THKV	Z	Pn	E		2007-04-21 20:10:18	0.5	y		298	265
IIEES	THKV	N	Sg	E		2007-04-21 20:10:57	-0.2	y		298	265
IIEES	GHVR	Z	Pn	E		2007-04-21 20:10:21	0.1	y		328	235
IIEES	GHVR	N	Sg	E		2007-04-21 20:11:05	0.3	y		328	235