Earthquake 2 km S Trasacco (AQ), Magnitude ML 2.2, 17 April 2009 time 20:45:37 (Timezone UTC)

A magnitude ML 2.2 earthquake occured in region: 2 km S Trasacco (AQ), on

17-04-2009 20:45:37 (UTC)
17-04-2009 22:45:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9410, 13.5360 at 16 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Trasacco	AQ	2	6246	6246
Luco dei Marsi	AQ	6	6079	12325
Collelongo	AQ	7	1233	13558
Civita d'Antino	AQ	8	979	14537
Civitella Roveto	AQ	9	3268	17805
Ortucchio	AQ	9	1860	19665
Canistro	AQ	10	995	20660
San Benedetto dei Marsi	AQ	10	3909	24569
Morino	AQ	11	1448	26017
Villavallelonga	AQ	11	919	26936
San Vincenzo Valle Roveto	AQ	12	2347	29283
Capistrello	AQ	12	5252	34535
Lecce nei Marsi	AQ	13	1702	36237
Gioia dei Marsi	AQ	13	1989	38226
Avezzano	AQ	14	42515	80741
Pescina	AQ	14	4133	84874
Cerchio	AQ	15	1635	86509
Balsorano	AQ	15	3569	90078
Collarmele	AQ	16	894	90972
Celano	AQ	16	11017	101989
Aielli	AQ	16	1475	103464
Ortona dei Marsi	AQ	17	542	104006
Castellafiume	AQ	17	1106	105112
Filettino	FR	18	565	105677
Bisegna	AQ	19	223	105900

Municipalities with at least 50000 inhabitants

An earthquake occurred to

47 Km S of L'Aquila (69753 inhabitants)

61 Km E of Tivoli (56533 inhabitants)

67 Km E of Guidonia Montecelio (88673 inhabitants)

69 Km E of Velletri (53303 inhabitants)

69 Km SW of Chieti (51815 inhabitants)

74 Km NE of Latina (125985 inhabitants)

81 Km SW of Pescara (121014 inhabitants)

81 Km S of Teramo (54892 inhabitants)

81 Km SW of Montesilvano (53738 inhabitants)

83 Km E of Aprilia (73446 inhabitants)

87 Km E of Roma (2864731 inhabitants)

91 Km E of Pomezia (62966 inhabitants)

93 Km NE of Anzio (54211 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 2.2	2009-04-17 20:45:37	41.941	13.536	16	2014-10-21 12:27:13	Bollettino Sismico Italiano INGV	815189

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2009-04-17 20:45:37 ± 0.08
Latitude	41.9410 ± 0.0036
Longitude	13.5360 ± 0.0036
Depth (km)	16 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-SISPICK
Event type	earthquake
Origin ID	815189

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	366
Semi-minor axis of confidence ellipse (meter)	195
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	187
Circular confidence region, given by single value of horizontal uncertainty (meter)	500.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	126
Number of associated phases, regardless of their use for origin computation	36
Number of defining phases	16
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.2
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.43617
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	8

Magnitude information

ML:2.2

Field	Value
Value	2.2
Uncertainty	0.4
Num. used stations
Type of magnitude	ML
Reference to an origin	815189
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2013-01-05 15:26:56

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Residual	Weight
IV.RNI2.HHE.	2009-04-17T20:46:30.92	10.0	undecidable	manual	Sg	0		0	0
IV.CESI.HHE.	2009-04-17T20:46:18.78	10.0	undecidable	manual	Sg	0		0	0
IV.CAMP.HHE.	2009-04-17T20:46:16.81	10.0	undecidable	manual	Sg	0		0	0
IV.VCEL.EHN.	2009-04-17T20:46:14.65	10.0	undecidable	manual	Sg	0		0	0
IV.NRCA.SHZ.	2009-04-17T20:46:06.00	10.0	undecidable	manual	Pg	0		0	0
MN.AQU.HHZ.	2009-04-17T20:46:05.23	10.0	undecidable	manual	Pg	0		0	0
IV.CESI.HHE.	2009-04-17T20:46:04.51	10.0	undecidable	manual	Pg	0		0	0
IV.LNSS.HHZ.	2009-04-17T20:46:03.98	10.0	undecidable	manual	Pg	0		0	0
IV.TERO.HHE.	2009-04-17T20:46:02.81	10.0	undecidable	manual	Pg	0		0	0
IV.CAMP.HHE.	2009-04-17T20:46:01.70	10.0	undecidable	manual	Pg	0		0	0
IV.GRI.EHE.	2009-04-17T20:45:59.81	10.0	undecidable	manual	Pg	0		0	0
IV.RNI2.HHE.	2009-04-17T20:45:58.95	10.0	undecidable	manual	Pg	0		0	0
IV.VCEL.EHN.	2009-04-17T20:45:57.81	10.0	undecidable	manual	Pg	0		0	0
IV.FIAM.HHE.	2009-04-17T20:45:55.77	10.0	undecidable	manual	Pg	0		0	0
SI.ROSI.BHE.	2009-04-17T20:45:53.61	10.0	undecidable	manual	Pg	0		0	0
IV.GIUL.HHN.	2009-04-17T20:45:53.53	0.6	undecidable	manual	Sg	209	48.4182	0.265	44
IV.CERT.HHN.	2009-04-17T20:45:52.32	0.6	undecidable	manual	Sg	271	45.7209	-0.238	45
IV.INTR.HHZ.	2009-04-17T20:45:49.04	0.3	undecidable	manual	Sg	75	31.3464	0.245	69
IV.SDI.SHZ.	2009-04-17T20:45:49.32	0.6	undecidable	manual	Sg	138	34.2435	-0.216	46
IV.NOVE.EHZ.	2009-04-17T20:45:48.65	10.0	undecidable	manual	Pg	0		0	0
IV.POFI.HHN.	2009-04-17T20:45:48.39	0.3	undecidable	manual	Sg	150	28.749	0.269	69
IV.GUAR.HHE.	2009-04-17T20:45:47.16	0.3	undecidable	manual	Sg	229	24.6531	0.073	72
IV.GIUL.HHN.	2009-04-17T20:45:46.65	0.1	undecidable	manual	Pg	209	48.4182	-0.073	93
IV.CERT.HHN.	2009-04-17T20:45:46.17	0.3	undecidable	manual	Pg	271	45.7209	-0.141	69
.PTQR.SHZ.	2009-04-17T20:45:44.75	0.3	undecidable	manual	Sg	309	14.3745	0.054	74
IV.INTR.HHZ.	2009-04-17T20:45:44.07	0.1	undecidable	manual	Pg	75	31.3464	-0.069	95
IV.SDI.SHZ.	2009-04-17T20:45:44.51	0.1	undecidable	manual	Pg	138	34.2435	-0.06	95
IV.VVLD.HHZ.	2009-04-17T20:45:43.82	0.3	undecidable	manual	Sg	138	10.6782	-0.18	72
IV.POFI.HHN.	2009-04-17T20:45:43.54	0.3	undecidable	manual	Pg	150	28.749	-0.213	70
IV.GUAR.HHE.	2009-04-17T20:45:43.18	0.1	undecidable	manual	Pg	229	24.6531	0.028	97
IV.VVLD.HHZ.	2009-04-17T20:45:41.38	0.1	undecidable	manual	Pg	138	10.6782	0.011	100
.PTQR.SHZ.	2009-04-17T20:45:41.98	0.1	undecidable	manual	Pg	309	14.3745	0.203	96
IV.BULG.HHN.	2009-04-17T20:45:29.19	10.0	undecidable	manual	Pg	0		0	0
IV.STR4.BHE.	2009-04-17T20:45:24.12	10.0	undecidable	manual	Pg	0		0	0
IV.STR3.BHE.	2009-04-17T20:45:22.54	10.0	undecidable	manual	Pg	0		0	0
IV.SOR.HHZ.	2009-04-17T20:45:16.48	10.0	undecidable	manual	Pg	0		0	0

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download
Waveforms	Seismic signals in miniseed + resp format	Download

Earthquake with magnitude of ML 2.2 on date 17-04-2009 and time 20:45:37 (UTC) in region 2 km S Trasacco (AQ)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.2