Earthquake 3 km SE L'Aquila (AQ), Magnitude ML 2.0, 17 May 2009 time 16:57:00 (Timezone Italy)

A magnitude ML 2.0 earthquake occured in region: 3 km SE L'Aquila (AQ), on

17-05-2009 14:57:00 (UTC)
17-05-2009 16:57:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3400, 13.4280 at 8 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
L'Aquila	AQ	3	69753	69753
Fossa	AQ	7	721	70474
Ocre	AQ	7	1167	71641
Lucoli	AQ	9	1011	72652
Poggio Picenze	AQ	10	1136	73788
Sant'Eusanio Forconese	AQ	10	394	74182
Tornimparte	AQ	12	3187	77369
Villa Sant'Angelo	AQ	12	424	77793
San Demetrio ne' Vestini	AQ	12	1854	79647
Rocca di Cambio	AQ	13	533	80180
Barisciano	AQ	14	1828	82008
Scoppito	AQ	15	3727	85735
Pizzoli	AQ	15	4326	90061
Fagnano Alto	AQ	15	418	90479
Prata d'Ansidonia	AQ	16	496	90975
Rocca di Mezzo	AQ	16	1526	92501
Barete	AQ	17	737	93238
Santo Stefano di Sessanio	AQ	18	111	93349
Fontecchio	AQ	19	369	93718
San Pio delle Camere	AQ	20	661	94379

Municipalities with at least 50000 inhabitants

An earthquake occurred to

3 Km SE of L'Aquila (69753 inhabitants)

42 Km SW of Teramo (54892 inhabitants)

61 Km W of Chieti (51815 inhabitants)

62 Km W of Montesilvano (53738 inhabitants)

66 Km W of Pescara (121014 inhabitants)

67 Km NE of Tivoli (56533 inhabitants)

69 Km E of Terni (111501 inhabitants)

69 Km NE of Guidonia Montecelio (88673 inhabitants)

90 Km NE of Velletri (53303 inhabitants)

91 Km SE of Foligno (57155 inhabitants)

92 Km NE of Roma (2864731 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 2.0	2009-05-17 14:57:00	42.34	13.428	8	2014-10-21 12:27:13	Bollettino Sismico Italiano INGV	869509

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2009-05-17 14:57:00 ± 0.1
Latitude	42.3400 ± 0.0063
Longitude	13.4280 ± 0.0085
Depth (km)	8 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-SISPICK
Event type	earthquake
Origin ID	869509

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	630
Semi-minor axis of confidence ellipse (meter)	608
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	257
Circular confidence region, given by single value of horizontal uncertainty (meter)	989.9
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	55
Number of associated phases, regardless of their use for origin computation	37
Number of defining phases	35
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.68
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	1.04951
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	22

Magnitude information

ML:2.0

Field	Value
Value	2.0
Uncertainty	0.3
Num. used stations
Type of magnitude	ML
Reference to an origin	869509
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2013-01-05 16:30:36

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Residual	Weight
IV.FDMO.HHN.	2009-05-17T14:57:25.65	0.6	undecidable	manual	Sg	340	82.1511	0.104	43
IV.LPEL.HHZ.	2009-05-17T14:57:22.74	0.6	undecidable	manual	Sg	117	69.9744	0.434	41
IV.CING.HHZ.	2009-05-17T14:57:21.11	0.6	undecidable	manual	Pg	351	116.4945	0.924	31
.INTR.HHZ.	2009-05-17T14:57:18.17	0.6	undecidable	manual	Sg	133	53.4021	0.292	44
IV.CERT.HHZ.	2009-05-17T14:57:18.52	0.1	undecidable	manual	Sg	220	56.7987	-0.256	88
IV.FDMO.HHN.	2009-05-17T14:57:16.00	0.1	undecidable	manual	Pg	340	82.1511	1.103	62
IV.VVLD.HHZ.	2009-05-17T14:57:16.81	0.6	undecidable	manual	Sg	163	54.501	-1.363	28
IV.CESI.HHE.	2009-05-17T14:57:16.14	0.1	undecidable	manual	Pg	330	85.248	0.763	71
IV.LNSS.HHZ.	2009-05-17T14:57:15.37	0.1	undecidable	manual	Sg	313	43.1235	0.241	91
IV.GUMA.HHN.	2009-05-17T14:57:14.51	0.1	undecidable	manual	Pg	355	80.5638	-0.141	86
IV.CESX.HHE.	2009-05-17T14:57:14.81	0.6	undecidable	manual	Pg	294	75.6687	0.92	34
IV.OFFI.HHN.	2009-05-17T14:57:13.21	0.3	undecidable	manual	Pg	18	69.2751	0.295	64
IV.SDI.SHZ.	2009-05-17T14:57:13.92	0.1	undecidable	manual	Pg	156	76.6677	-0.121	87
IV.LPEL.HHZ.	2009-05-17T14:57:12.88	0.1	undecidable	manual	Pg	117	69.9744	-0.147	88
IV.VCEL.EHZ.	2009-05-17T14:57:12.70	0.6	undecidable	manual	Sg	80	34.3434	0.158	47
IV.MNS.HHE.	2009-05-17T14:57:12.91	0.6	undecidable	manual	Pg	275	61.494	1.202	30
IV.MTCE.HHN.	2009-05-17T14:57:12.00	0.3	undecidable	manual	Pg	238	66.4779	-0.477	62
.TERO.HHN.	2009-05-17T14:57:11.29	0.3	undecidable	manual	Sg	25	34.5432	-1.325	45
IV.GUAR.HHE.	2009-05-17T14:57:11.42	0.3	undecidable	manual	Pg	189	61.1943	-0.247	66
IV.VVLD.HHZ.	2009-05-17T14:57:10.23	0.1	undecidable	manual	Pg	163	54.501	-0.41	86
.INTR.HHZ.	2009-05-17T14:57:10.25	0.1	undecidable	manual	Pg	133	53.4021	-0.222	89
IV.CERT.HHZ.	2009-05-17T14:57:10.63	0.1	undecidable	manual	Pg	220	56.7987	-0.36	86
.FIAM.HHN.	2009-05-17T14:57:09.88	0.3	undecidable	manual	Sg	253	26.751	-0.105	72
IV.LNSS.HHZ.	2009-05-17T14:57:08.29	0.3	undecidable	manual	Pg	313	43.1235	-0.595	62
.FAGN.HHZ.	2009-05-17T14:57:07.79	0.3	undecidable	manual	Sg	123	15.1737	1.578	40
.CAMP.HHE.	2009-05-17T14:57:07.99	0.3	undecidable	manual	Sg	356	21.867	-0.366	69
IV.VCEL.EHZ.	2009-05-17T14:57:07.23	0.1	undecidable	manual	Pg	80	34.3434	-0.159	94
.TERO.HHN.	2009-05-17T14:57:06.64	0.1	undecidable	manual	Pg	25	34.5432	-0.791	77
.FIAM.HHN.	2009-05-17T14:57:05.95	0.1	undecidable	manual	Pg	253	26.751	0.036	97
IV.T0104.EHE.	2009-05-17T14:57:04.14	0.1	undecidable	manual	Sg	287	7.6812	0.063	100
.FAGN.HHZ.	2009-05-17T14:57:04.60	0.3	undecidable	manual	Pg	123	15.1737	0.867	58
.CAMP.HHE.	2009-05-17T14:57:04.86	0.1	undecidable	manual	Pg	356	21.867	-0.113	97
MN.AQU.HHN.	2009-05-17T14:57:02.09	0.1	undecidable	manual	Pg	306	2.6973	0.151	99
IV.T0104.EHE.	2009-05-17T14:57:02.78	0.1	undecidable	manual	Pg	287	7.6812	0.278	96
MN.AQU.HHN.	2009-05-17T14:57:02.86	0.1	undecidable	manual	Sg	306	2.6973	-0.241	97
IV.PTQR.SHZ.	2009-05-17T14:56:57.25	10.0	undecidable	manual	Pg	0		0	0
IV.MIDA.HHN.	2009-05-17T14:56:50.22	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 2.0 on date 17-05-2009 and time 16:57:00 (Italy) in region 3 km SE L'Aquila (AQ)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.0