Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-06-2009 and time 14:13:54 (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 12:13:54 (UTC)
  • 04-06-2009 14:13:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3530, 13.3460 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 7 1011 70764
Scoppito AQ 8 3727 74491
Tornimparte AQ 8 3187 77678
Pizzoli AQ 10 4326 82004
Barete AQ 12 737 82741
Ocre AQ 13 1167 83908
Fossa AQ 13 721 84629
Cagnano Amiterno AQ 16 1369 85998
Sant'Eusanio Forconese AQ 16 394 86392
Poggio Picenze AQ 17 1136 87528
Rocca di Cambio AQ 18 533 88061
Villa Sant'Angelo AQ 18 424 88485
San Demetrio ne' Vestini AQ 19 1854 90339
Capitignano AQ 19 665 91004
Borgorose RI 20 4591 95595

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km W of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
62 Km NE of Tivoli (56533 inhabitants)
64 Km NE of Guidonia Montecelio (88673 inhabitants)
68 Km W of Chieti (51815 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
85 Km SE of Foligno (57155 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
88 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 2.1
ML 2.0 		2009-06-04
12:13:54		 42.353 13.346 10 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 887129
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-06-04 12:13:54 ± 0.07
Latitude 42.3530 ± 0.0045
Longitude 13.3460 ± 0.0061
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 887129

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 472
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 707.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 887129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:51:35

Md:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations
Type of magnitude Md
Reference to an origin 887129
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 16:51:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNO.SHN. 2009-06-04T12:14:19.70 10.0 undecidable manual Pg 0 0 0
IV.LPEL.HHZ. 2009-06-04T12:14:18.73 0.6 undecidable manual Sg 116 76.7676 0.626 40
IV.INTR.HHZ. 2009-06-04T12:14:13.72 0.3 undecidable manual Sg 129 59.496 0.208 69
IV.NRCA.HHE. 2009-06-04T12:14:13.17 0.3 undecidable manual Sg 341 56.5989 0.446 66
IV.CERT.HHN. 2009-06-04T12:14:11.92 0.3 undecidable manual Sg 214 53.9016 -0.083 71
IV.SDI.SHZ. 2009-06-04T12:14:10.40 10.0 undecidable manual Pg 0 0 0
IV.VCEL.EHZ. 2009-06-04T12:14:09.29 0.3 undecidable manual Sg 83 40.8258 0.773 60
IV.CESI.HHZ. 2009-06-04T12:14:09.21 0.3 undecidable manual Pg 334 80.7636 0.29 65
IV.LPEL.HHZ. 2009-06-04T12:14:08.36 0.6 undecidable manual Pg 116 76.7676 0.064 46
IV.OFFI.HHZ. 2009-06-04T12:14:08.10 10.0 undecidable manual Pg 0 0 0
IV.LNSS.HHE. 2009-06-04T12:14:07.93 0.3 undecidable manual Sg 318 37.3293 0.341 70
IV.PTQR.SHZ. 2009-06-04T12:14:07.09 0.3 undecidable manual Sg 173 36.9297 -0.404 69
IV.MNS.HHZ. 2009-06-04T12:14:06.30 10.0 undecidable manual Pg 0 0 0
IV.TERO.HHZ. 2009-06-04T12:14:06.57 0.3 undecidable manual Sg 35 36.6411 -0.833 59
IV.GUAR.HHE. 2009-06-04T12:14:06.84 0.6 undecidable manual Pg 183 61.9935 0.815 38
IV.INTR.HHZ. 2009-06-04T12:14:05.34 0.3 undecidable manual Pg 129 59.496 -0.303 68
IV.ESLN.BHN. 2009-06-04T12:14:05.26 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHE. 2009-06-04T12:14:04.92 0.3 undecidable manual Pg 341 56.5989 -0.268 68
IV.CERT.HHN. 2009-06-04T12:14:04.46 0.6 undecidable manual Pg 214 53.9016 -0.312 45
IV.FAGN.HHZ. 2009-06-04T12:14:03.02 0.3 undecidable manual Sg 116 21.7671 -0.171 74
IV.FIAM.HHZ. 2009-06-04T12:14:02.76 0.3 undecidable manual Sg 243 20.9679 -0.178 74
IV.LNSS.HHE. 2009-06-04T12:14:02.08 0.3 undecidable manual Pg 318 37.3293 -0.146 73
IV.VCEL.EHZ. 2009-06-04T12:14:02.86 0.6 undecidable manual Pg 83 40.8258 0.1 49
IV.CAMP.HHZ. 2009-06-04T12:14:02.61 0.6 undecidable manual Sg 14 20.9679 -0.317 48
IV.PTQR.SHZ. 2009-06-04T12:14:01.88 0.6 undecidable manual Pg 173 36.9297 -0.29 47
IV.TERO.HHZ. 2009-06-04T12:14:01.44 0.3 undecidable manual Pg 35 36.6411 -0.675 63
IV.CAMP.HHZ. 2009-06-04T12:13:59.40 0.1 undecidable manual Pg 14 20.9679 -0.134 100
IV.FIAM.HHZ. 2009-06-04T12:13:59.61 0.3 undecidable manual Pg 243 20.9679 0.07 76
IV.FAGN.HHZ. 2009-06-04T12:13:59.65 0.3 undecidable manual Pg 116 21.7671 -0.036 76
IV.T0107.HLE. 2009-06-04T12:13:58.81 0.3 undecidable manual Pg 329 15.5733 0.228 74
IV.T0104.EHZ. 2009-06-04T12:13:58.40 0.3 undecidable manual Sg 321 0.999 0.066 79
MN.AQU.HHZ. 2009-06-04T12:13:58.69 0.3 undecidable manual Sg 89 4.5954 0.022 79
IV.T0104.EHZ. 2009-06-04T12:13:57.15 0.3 undecidable manual Pg 321 0.999 0.269 75
MN.AQU.HHZ. 2009-06-04T12:13:57.30 0.3 undecidable manual Pg 89 4.5954 0.227 76
IV.PRMA.HHN. 2009-06-04T12:13:46.54 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHZ. 2009-06-04T12:13:43.02 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