Earthquake with magnitude of ML 2.0 on date 06-04-2009 and time 23:02:04 (Italy) in region 5 km NW L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 5 km NW L'Aquila (AQ), on

  • 06-04-2009 21:02:04 (UTC)
  • 06-04-2009 23:02:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3750, 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.

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 5 69753 69753
Scoppito AQ 7 3727 73480
Pizzoli AQ 8 4326 77806
Lucoli AQ 9 1011 78817
Tornimparte AQ 10 3187 82004
Barete AQ 10 737 82741
Cagnano Amiterno AQ 14 1369 84110
Ocre AQ 15 1167 85277
Fossa AQ 15 721 85998
Capitignano AQ 17 665 86663
Poggio Picenze AQ 17 1136 87799
Sant'Eusanio Forconese AQ 18 394 88193
Montereale AQ 19 2581 90774
Rocca di Cambio AQ 19 533 91307
Villa Sant'Angelo AQ 20 424 91731

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km NW of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
61 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 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)
83 Km SE of Foligno (57155 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
90 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 2.0 2009-04-06
21:02:04
42.375 13.346 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 762979
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 21:02:04 ± 0.14
Latitude 42.3750 ± 0.0072
Longitude 13.3460 ± 0.0134
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 762979

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1126
Semi-minor axis of confidence ellipse (meter) 762
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 1360.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36602
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 762979
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:25:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNS.HHN. 2009-04-06T21:02:24.58 10.0 undecidable manual Sg 0 0 0
IV.PTQR.SHZ. 2009-04-06T21:02:17.40 0.6 undecidable manual Sg 173 39.3273 -0.628 41
IV.MNS.HHN. 2009-04-06T21:02:17.16 10.0 undecidable manual Pg 0 0 0
.TERO.---. 2009-04-06T21:02:16.17 0.3 undecidable manual Sg 37 34.743 -0.611 62
IV.FAGN.HHN. 2009-04-06T21:02:13.71 0.3 undecidable manual Sg 122 22.9548 0.064 73
IV.VCEL.EHN. 2009-04-06T21:02:13.44 0.3 undecidable manual Pg 87 40.626 0.76 58
.FIAM.---. 2009-04-06T21:02:13.22 0.6 undecidable manual Sg 238 22.1556 -0.189 47
IV.PTQR.SHZ. 2009-04-06T21:02:12.68 0.6 undecidable manual Pg 173 39.3273 0.195 46
.CAMP.---. 2009-04-06T21:02:12.33 0.3 undecidable manual Sg 16 18.6702 0.007 74
.TERO.---. 2009-04-06T21:02:11.41 0.3 undecidable manual Pg 37 34.743 -0.36 67
IV.FAGN.HHN. 2009-04-06T21:02:10.31 0.3 undecidable manual Pg 122 22.9548 0.356 69
.CAMP.---. 2009-04-06T21:02:09.53 0.1 undecidable manual Pg 16 18.6702 0.341 92
.FIAM.---. 2009-04-06T21:02:09.94 0.1 undecidable manual Pg 238 22.1556 0.12 96
MN.AQU.HHZ. 2009-04-06T21:02:08.59 0.1 undecidable manual Sg 116 5.1948 -0.356 94
MN.AQU.HHZ. 2009-04-06T21:02:07.32 0.1 negative manual Pg 116 5.1948 0.076 100
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