Earthquake with magnitude of ML 2.4 on date 06-04-2009 and time 12:33:43 (Italy) in region 6 km NW L'Aquila (AQ)

A magnitude ML 2.4 earthquake occured in region: 6 km NW L'Aquila (AQ), on

  • 06-04-2009 10:33:43 (UTC)
  • 06-04-2009 12:33:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3990, 13.3710 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 6 69753 69753
Pizzoli AQ 8 4326 74079
Barete AQ 9 737 74816
Scoppito AQ 10 3727 78543
Lucoli AQ 12 1011 79554
Tornimparte AQ 13 3187 82741
Cagnano Amiterno AQ 14 1369 84110
Capitignano AQ 15 665 84775
Fossa AQ 15 721 85496
Ocre AQ 15 1167 86663
Poggio Picenze AQ 17 1136 87799
Montereale AQ 17 2581 90380
Sant'Eusanio Forconese AQ 18 394 90774
Campotosto AQ 18 542 91316
Crognaleto TE 19 1297 92613
San Demetrio ne' Vestini AQ 20 1854 94467
Villa Sant'Angelo AQ 20 424 94891
Barisciano AQ 20 1828 96719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km NW of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
62 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
66 Km W of Chieti (51815 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
69 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Pescara (121014 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
93 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
ML 2.4 2009-04-06
10:33:43
42.399 13.371 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 759119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 10:33:43 ± 0.14
Latitude 42.3990 ± 0.0063
Longitude 13.3710 ± 0.0170
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 759119

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1415
Semi-minor axis of confidence ellipse (meter) 602
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 1565.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.61
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66999
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 759119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:21:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHE. 2009-04-06T10:34:06.75 10.0 undecidable manual Pg 0 0 0
IV.ASSB.HHE. 2009-04-06T10:34:04.96 10.0 undecidable manual Sg 0 0 0
IV.ASSB.HHE. 2009-04-06T10:34:01.01 10.0 undecidable manual Pg 0 0 0
.NRCA.HHE. 2009-04-06T10:33:59.93 0.6 undecidable manual Sg 337 52.6029 -0.037 46
IV.MNS.HHZ. 2009-04-06T10:33:57.70 10.0 undecidable manual Sg 0 0 0
.PTQR.SHZ. 2009-04-06T10:33:56.20 0.6 undecidable manual Sg 177 41.9247 -0.917 36
IV.OFFI.HHZ. 2009-04-06T10:33:55.81 0.6 undecidable manual Pg 23 64.7907 1.007 33
IV.MNS.HHZ. 2009-04-06T10:33:55.16 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHN. 2009-04-06T10:33:55.76 0.3 undecidable manual Pg 342 74.37 -0.523 60
.TERO.HHE. 2009-04-06T10:33:54.07 0.3 undecidable manual Sg 37 31.3464 -0.225 70
.INTR.HHZ. 2009-04-06T10:33:54.82 0.6 undecidable manual Pg 134 61.3941 0.539 41
.PTQR.SHZ. 2009-04-06T10:33:52.42 1.0 undecidable manual Pg 177 41.9247 1.149 16
.NRCA.HHE. 2009-04-06T10:33:52.94 0.6 undecidable manual Pg 337 52.6029 0.023 47
.FAGN.HHE. 2009-04-06T10:33:52.24 0.6 undecidable manual Sg 130 22.8549 0.253 47
.FIAM.HHZ. 2009-04-06T10:33:49.37 0.6 undecidable manual Pg 235 25.3524 0.646 42
.CAMP.---. 2009-04-06T10:33:49.83 0.3 undecidable manual Sg 12 15.4734 0.094 73
.TERO.HHE. 2009-04-06T10:33:49.44 0.1 undecidable manual Pg 37 31.3464 -0.202 93
.FAGN.HHE. 2009-04-06T10:33:48.38 0.3 undecidable manual Pg 130 22.8549 0.069 73
.CAMP.---. 2009-04-06T10:33:47.09 0.1 positive manual Pg 12 15.4734 0.079 98
MN.AQU.HHZ. 2009-04-06T10:33:46.99 0.3 undecidable manual Sg 153 5.5944 -0.348 71
MN.AQU.HHZ. 2009-04-06T10:33:45.55 0.1 undecidable manual Pg 153 5.5944 -0.075 100
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