Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-06-2009 and time 10:43:03 (Italy) in region 4 km W L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 4 km W L'Aquila (AQ), on

  • 04-06-2009 08:43:03 (UTC)
  • 04-06-2009 10:43:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3450, 13.3500 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 4 69753 69753
Lucoli AQ 6 1011 70764
Tornimparte AQ 7 3187 73951
Scoppito AQ 8 3727 77678
Pizzoli AQ 11 4326 82004
Ocre AQ 12 1167 83171
Fossa AQ 13 721 83892
Barete AQ 13 737 84629
Sant'Eusanio Forconese AQ 16 394 85023
Poggio Picenze AQ 16 1136 86159
Cagnano Amiterno AQ 16 1369 87528
Rocca di Cambio AQ 17 533 88061
Villa Sant'Angelo AQ 18 424 88485
San Demetrio ne' Vestini AQ 18 1854 90339
Borgorose RI 19 4591 94930
Capitignano AQ 20 665 95595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of L'Aquila (69753 inhabitants)
46 Km SW of Teramo (54892 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
67 Km W of Chieti (51815 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
86 Km SE of Foligno (57155 inhabitants)
87 Km NE of Velletri (53303 inhabitants)
87 Km NE of Roma (2864731 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 2.3
ML 2.0 		2009-06-04
08:43:03		 42.345 13.35 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 886989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-06-04 08:43:03 ± 0.08
Latitude 42.3450 ± 0.0045
Longitude 13.3500 ± 0.0073
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 886989

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 781.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73654
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 886989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:51:25

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 886989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:51:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHZ. 2009-06-04T08:43:55.02 10.0 undecidable manual Pg 0 0 0
IV.ARVD.HHN. 2009-06-04T08:43:33.61 10.0 undecidable manual Pg 0 0 0
GU.FINB.HHE. 2009-06-04T08:43:31.32 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2009-06-04T08:43:30.62 10.0 undecidable manual Pg 0 0 0
IV.CESI.HHE. 2009-06-04T08:43:28.67 0.3 undecidable manual Sg 334 81.7515 0.71 73
IV.FDMO.HHE. 2009-06-04T08:43:28.04 10.0 undecidable manual Sg 0 0 0
IV.CESX.HHE. 2009-06-04T08:43:27.63 10.0 undecidable manual Pg 0 0 0
IV.OFFI.HHZ. 2009-06-04T08:43:27.90 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHN. 2009-06-04T08:43:26.88 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-06-04T08:43:21.59 0.3 undecidable manual Sg 341 57.498 0.091 90
IV.FDMO.HHE. 2009-06-04T08:43:21.77 10.0 undecidable manual Pg 0 0 0
IV.CERT.HHE. 2009-06-04T08:43:20.29 0.6 undecidable manual Sg 215 53.4021 -0.104 60
IV.VCEL.EHZ. 2009-06-04T08:43:17.87 0.3 undecidable manual Sg 82 40.626 0.887 73
IV.CESI.HHE. 2009-06-04T08:43:17.54 0.6 undecidable manual Pg 334 81.7515 -0.02 58
IV.LNSS.HHE. 2009-06-04T08:43:16.20 0.3 undecidable manual Sg 319 38.2284 -0.148 92
IV.PTQR.SHZ. 2009-06-04T08:43:15.52 0.3 undecidable manual Sg 173 36.1416 -0.263 91
IV.VVLD.HHZ. 2009-06-04T08:43:15.98 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-06-04T08:43:15.99 0.3 undecidable manual Sg 34 37.1295 -0.077 94
IV.MNS.HHE. 2009-06-04T08:43:14.28 0.3 undecidable manual Pg 275 55.0005 0.836 73
IV.NRCA.HHZ. 2009-06-04T08:43:13.49 0.6 undecidable manual Pg 341 57.498 -0.338 57
IV.CERT.HHE. 2009-06-04T08:43:12.89 0.3 undecidable manual Pg 215 53.4021 -0.299 87
IV.FAGN.HHN. 2009-06-04T08:43:11.42 0.3 undecidable manual Sg 115 21.0678 0.034 97
IV.CAMP.HHZ. 2009-06-04T08:43:11.02 0.3 undecidable manual Sg 13 21.6672 -0.554 86
IV.FIAM.HHZ. 2009-06-04T08:43:11.24 0.3 undecidable manual Sg 246 20.9679 -0.089 96
IV.VCEL.EHZ. 2009-06-04T08:43:11.45 0.6 undecidable manual Pg 82 40.626 0.229 60
IV.PTQR.SHZ. 2009-06-04T08:43:10.36 0.3 undecidable manual Pg 173 36.1416 -0.169 92
IV.LNSS.HHE. 2009-06-04T08:43:10.52 0.6 undecidable manual Pg 319 38.2284 -0.334 59
IV.TERO.HHZ. 2009-06-04T08:43:09.83 0.3 undecidable manual Pg 34 37.1295 -0.862 74
IV.FIAM.HHZ. 2009-06-04T08:43:08.05 0.3 undecidable manual Pg 246 20.9679 0.094 96
MN.AQU.HHZ. 2009-06-04T08:43:07.11 0.3 undecidable manual Sg 77 4.3956 0.12 98
IV.FAGN.HHN. 2009-06-04T08:43:07.71 0.6 undecidable manual Pg 115 21.0678 -0.279 62
IV.CAMP.HHZ. 2009-06-04T08:43:07.81 0.3 undecidable manual Pg 13 21.6672 -0.287 92
IV.T0107.HLZ. 2009-06-04T08:43:07.35 0.3 undecidable manual Pg 329 16.4724 0.191 95
IV.T0104.EHZ. 2009-06-04T08:43:06.79 0.3 undecidable manual Sg 330 1.8981 0.065 100
IV.T0104.EHZ. 2009-06-04T08:43:05.58 0.3 undecidable manual Pg 330 1.8981 0.282 96
MN.AQU.HHZ. 2009-06-04T08:43:05.70 0.3 undecidable manual Pg 77 4.3956 0.248 96
NI.AGOR.HHZ. 2009-06-04T08:42:41.77 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHE. 2009-06-04T08:42:40.47 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