Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 29-05-2009 and time 07:28:17 (UTC) in region 7 km N L'Aquila (AQ)

A magnitude ML 1.5 earthquake occured in region: 7 km N L'Aquila (AQ), on

  • 29-05-2009 07:28:17 (UTC)
  • 29-05-2009 09:28:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4110, 13.3790 at 10 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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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
L'Aquila AQ 7 69753 69753
Pizzoli AQ 7 4326 74079
Barete AQ 9 737 74816
Scoppito AQ 11 3727 78543
Lucoli AQ 14 1011 79554
Cagnano Amiterno AQ 14 1369 80923
Capitignano AQ 14 665 81588
Tornimparte AQ 15 3187 84775
Fossa AQ 16 721 85496
Ocre AQ 16 1167 86663
Campotosto AQ 16 542 87205
Montereale AQ 17 2581 89786
Poggio Picenze AQ 17 1136 90922
Crognaleto TE 17 1297 92219
Sant'Eusanio Forconese AQ 18 394 92613
Pietracamela TE 19 271 92884
Barisciano AQ 20 1828 94712

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		Md 1.9
ML 1.5 		2009-05-29
07:28:17		 42.411 13.379 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 881269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-05-29 07:28:17 ± 0.08
Latitude 42.4110 ± 0.0045
Longitude 13.3790 ± 0.0085
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 881269

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 606
Semi-minor axis of confidence ellipse (meter) 533
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46495
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 881269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:44:38

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 881269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:44:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHN. 2009-05-29T07:28:33.96 0.1 undecidable manual Sg 335 51.6039 0.272 88
IV.ALJA.HHE. 2009-05-29T07:28:32.81 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHN. 2009-05-29T07:28:29.64 0.3 undecidable manual Sg 308 34.9428 0.407 66
IV.TERO.HHN. 2009-05-29T07:28:27.51 0.1 undecidable manual Sg 38 29.8479 -0.375 89
IV.FIAM.HHZ. 2009-05-29T07:28:26.75 0.3 undecidable manual Sg 234 26.6511 -0.289 68
IV.NRCA.HHN. 2009-05-29T07:28:26.74 0.1 undecidable manual Pg 335 51.6039 0.011 92
IV.FAGN.HHN. 2009-05-29T07:28:26.23 0.1 undecidable manual Sg 134 23.2545 0.21 93
IV.LNSS.HHN. 2009-05-29T07:28:24.13 0.3 undecidable manual Pg 308 34.9428 -0.026 71
IV.SOI.EHN. 2009-05-29T07:28:23.79 10.0 undecidable manual Pg 0 0 0
IV.FAGN.HHN. 2009-05-29T07:28:23.05 0.3 undecidable manual Pg 134 23.2545 0.749 60
IV.CAMP.HHZ. 2009-05-29T07:28:23.13 0.3 undecidable manual Sg 10 14.0748 -0.072 73
IV.TERO.HHN. 2009-05-29T07:28:23.08 0.1 undecidable manual Pg 38 29.8479 -0.298 91
IV.FIAM.HHZ. 2009-05-29T07:28:22.84 0.3 undecidable manual Pg 234 26.6511 -0.05 72
IV.T0104.EHZ. 2009-05-29T07:28:21.07 0.3 undecidable manual Sg 210 6.5934 -0.302 71
MN.AQU.HHZ. 2009-05-29T07:28:21.19 0.1 undecidable manual Sg 163 6.5934 -0.193 96
IV.CAMP.HHZ. 2009-05-29T07:28:20.78 0.1 undecidable manual Pg 10 14.0748 0.105 97
IV.CORL.HHZ. 2009-05-29T07:28:19.05 10.0 undecidable manual Pg 0 0 0
IV.T0104.EHZ. 2009-05-29T07:28:19.63 0.1 undecidable manual Pg 210 6.5934 0.013 100
MN.AQU.HHZ. 2009-05-29T07:28:19.65 0.1 undecidable manual Pg 163 6.5934 0.027 100
HL.KEK.BHE. 2009-05-29T07:28:02.29 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download