Earthquake with magnitude of ML 2.3 on date 06-04-2009 and time 17:18:24 (Italy) in region 2 km S L'Aquila (AQ)

A magnitude ML 2.3 earthquake occured in region: 2 km S L'Aquila (AQ), on

  • 06-04-2009 15:18:24 (UTC)
  • 06-04-2009 17:18:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3340, 13.3990 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.

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 2 69753 69753
Lucoli AQ 7 1011 70764
Ocre AQ 8 1167 71931
Fossa AQ 9 721 72652
Tornimparte AQ 9 3187 75839
Sant'Eusanio Forconese AQ 12 394 76233
Poggio Picenze AQ 12 1136 77369
Scoppito AQ 12 3727 81096
Rocca di Cambio AQ 13 533 81629
Villa Sant'Angelo AQ 13 424 82053
San Demetrio ne' Vestini AQ 14 1854 83907
Pizzoli AQ 14 4326 88233
Barisciano AQ 16 1828 90061
Barete AQ 16 737 90798
Fagnano Alto AQ 17 418 91216
Rocca di Mezzo AQ 17 1526 92742
Prata d'Ansidonia AQ 18 496 93238
Cagnano Amiterno AQ 20 1369 94607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km S of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
63 Km W of Chieti (51815 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
67 Km E of Terni (111501 inhabitants)
69 Km W of Pescara (121014 inhabitants)
88 Km NE of Velletri (53303 inhabitants)
90 Km SE of Foligno (57155 inhabitants)
90 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
ML 2.3 2009-04-06
15:18:24
42.334 13.399 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 760829
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 15:18:24 ± 0.1
Latitude 42.3340 ± 0.0063
Longitude 13.3990 ± 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 760829

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 725
Semi-minor axis of confidence ellipse (meter) 654
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
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) 84
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64751
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 760829
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:23:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2009-04-06T15:18:46.20 0.3 undecidable manual Sg 116 71.8725 0.125 66
IV.NRCA.SHZ. 2009-04-06T15:18:44.03 0.6 undecidable manual Sg 337 60.0954 1.113 32
IV.INTR.HHZ. 2009-04-06T15:18:42.27 0.6 undecidable manual Sg 131 54.8007 0.748 38
IV.VCEL.EHN. 2009-04-06T15:18:36.93 0.6 undecidable manual Sg 79 36.8298 0.223 46
IV.LPEL.HHZ. 2009-04-06T15:18:36.73 0.3 undecidable manual Pg 116 71.8725 -0.125 66
IV.PTQR.SHZ. 2009-04-06T15:18:35.16 0.6 undecidable manual Sg 180 34.6431 -0.964 36
IV.TERO.HHZ. 2009-04-06T15:18:35.62 0.3 undecidable manual Sg 28 36.1416 -0.908 55
IV.INTR.HHZ. 2009-04-06T15:18:34.48 0.1 undecidable manual Pg 131 54.8007 0.254 89
IV.NRCA.SHZ. 2009-04-06T15:18:34.97 0.6 undecidable manual Pg 337 60.0954 -0.065 46
IV.CERT.HHE. 2009-04-06T15:18:34.35 0.3 undecidable manual Pg 219 54.8007 0.133 68
.CAMP.---. 2009-04-06T15:18:33.06 0.6 undecidable manual Sg 2 22.3554 0.238 47
IV.FIAM.HHZ. 2009-04-06T15:18:33.35 0.3 undecidable manual Sg 253 24.2535 -0.003 74
IV.VCEL.EHN. 2009-04-06T15:18:31.80 0.3 undecidable manual Pg 79 36.8298 0.354 67
IV.PTQR.SHZ. 2009-04-06T15:18:30.44 0.6 undecidable manual Pg 180 34.6431 -0.669 41
IV.TERO.HHZ. 2009-04-06T15:18:30.90 0.1 undecidable manual Pg 28 36.1416 -0.446 88
IV.FAGN.HHE. 2009-04-06T15:18:30.99 0.6 undecidable manual Sg 117 16.9719 -0.167 48
.CAMP.---. 2009-04-06T15:18:29.23 0.3 undecidable manual Pg 2 22.3554 0.027 74
IV.FIAM.HHZ. 2009-04-06T15:18:29.64 0.1 undecidable manual Pg 253 24.2535 0.129 96
IV.FAGN.HHE. 2009-04-06T15:18:28.35 0.1 undecidable manual Pg 117 16.9719 0.11 98
MN.AQU.HHE. 2009-04-06T15:18:27.76 0.1 undecidable manual Sg 6 2.1978 -0.173 99
MN.AQU.HHE. 2009-04-06T15:18:26.51 0.1 negative manual Pg 6 2.1978 0.13 100
IV.FDMO.HHZ. 2009-04-06T15:17:55.27 10.0 undecidable manual Pg 0 0 0
IV.GIUL.HHN. 2009-04-06T15:17:54.15 10.0 undecidable manual Sg 0 0 0
IV.VVLD.HHE. 2009-04-06T15:17:50.79 10.0 undecidable manual Sg 0 0 0
IV.GIUL.HHN. 2009-04-06T15:17:50.65 10.0 undecidable manual Pg 0 0 0
IV.SDI.SHZ. 2009-04-06T15:17:48.81 0.6 undecidable manual Pg 0 0 0
IV.MNS.HHZ. 2009-04-06T15:17:48.88 10.0 undecidable manual Pg 0 0 0
IV.GUAR.HHE. 2009-04-06T15:17:46.61 10.0 undecidable manual Pg 0 0 0
IV.VVLD.HHE. 2009-04-06T15:17:41.63 10.0 undecidable manual Pg 0 0 0
NI.PALA.HHN. 2009-04-06T15:17:39.45 10.0 undecidable manual Pg 0 0 0
IV.LAV9.SHZ. 2009-04-06T15:17:38.68 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