Earthquake with magnitude of ML 2.5 on date 06-04-2009 and time 12:07:17 (Italy) in region 1 km NE Villa Sant'Angelo (AQ)

A magnitude ML 2.5 earthquake occured in region: 1 km NE Villa Sant'Angelo (AQ), on

  • 06-04-2009 10:07:17 (UTC)
  • 06-04-2009 12:07:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2770, 13.5430 at 9 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
Villa Sant'Angelo AQ 1 424 424
San Demetrio ne' Vestini AQ 2 1854 2278
Sant'Eusanio Forconese AQ 2 394 2672
Fagnano Alto AQ 4 418 3090
Fossa AQ 5 721 3811
Poggio Picenze AQ 5 1136 4947
Prata d'Ansidonia AQ 5 496 5443
Ocre AQ 6 1167 6610
Rocca di Cambio AQ 6 533 7143
Barisciano AQ 7 1828 8971
Fontecchio AQ 7 369 9340
Rocca di Mezzo AQ 8 1526 10866
San Pio delle Camere AQ 9 661 11527
Caporciano AQ 11 230 11757
Tione degli Abruzzi AQ 11 310 12067
Santo Stefano di Sessanio AQ 11 111 12178
Carapelle Calvisio AQ 12 87 12265
Castelvecchio Calvisio AQ 13 153 12418
Calascio AQ 14 137 12555
L'Aquila AQ 15 69753 82308
Ovindoli AQ 16 1227 83535
Navelli AQ 16 554 84089
Lucoli AQ 17 1011 85100
Secinaro AQ 18 359 85459
Castel del Monte AQ 18 413 85872
Acciano AQ 18 327 86199
Capestrano AQ 19 884 87083
Ofena AQ 19 506 87589
Tornimparte AQ 20 3187 90776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km SE of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
52 Km W of Chieti (51815 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
59 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
74 Km E of Guidonia Montecelio (88673 inhabitants)
80 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
97 Km E 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 2.5 2009-04-06
10:07:17
42.277 13.543 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 758959
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-04-06 10:07:17 ± 0.09
Latitude 42.2770 ± 0.0063
Longitude 13.5430 ± 0.0085
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 758959

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 762
Semi-minor axis of confidence ellipse (meter) 507
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
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) 67
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 758959
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:21:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHN. 2009-04-06T10:07:36.37 0.6 undecidable manual Sg 116 58.497 0.184 47
IV.VVLD.HHN. 2009-04-06T10:07:32.82 0.6 undecidable manual Sg 172 45.621 0.07 49
IV.INTR.HHE. 2009-04-06T10:07:31.89 0.6 undecidable manual Sg 135 41.8248 0.152 49
IV.TERO.HHZ. 2009-04-06T10:07:30.69 0.6 undecidable manual Sg 7 38.7279 -0.203 48
IV.PTQR.SHZ. 2009-04-06T10:07:29.57 0.6 undecidable manual Sg 202 30.6471 0.87 40
IV.FIAM.HHZ. 2009-04-06T10:07:29.43 0.6 undecidable manual Sg 269 34.9428 -0.46 46
IV.LPEL.HHN. 2009-04-06T10:07:28.12 0.3 undecidable manual Pg 116 58.497 -0.226 70
IV.TERO.HHZ. 2009-04-06T10:07:26.03 0.3 undecidable manual Pg 7 38.7279 0.74 62
IV.VVLD.HHN. 2009-04-06T10:07:26.10 0.3 undecidable manual Pg 172 45.621 -0.262 71
IV.INTR.HHE. 2009-04-06T10:07:25.88 0.3 undecidable manual Pg 135 41.8248 0.1 74
IV.FIAM.HHZ. 2009-04-06T10:07:24.58 0.3 undecidable manual Pg 269 34.9428 -0.133 74
IV.VCEL.EHE. 2009-04-06T10:07:23.39 0.6 undecidable manual Pg 62 27.75 -0.079 51
MN.AQU.HHZ. 2009-04-06T10:07:23.52 0.3 undecidable manual Sg 307 14.3745 0.009 79
IV.PTQR.SHZ. 2009-04-06T10:07:23.78 0.3 undecidable manual Pg 202 30.6471 -0.243 73
MN.AQU.HHZ. 2009-04-06T10:07:21.27 0.1 undecidable manual Pg 307 14.3745 0.242 100
IV.FAGN.HHN. 2009-04-06T10:07:21.01 0.3 undecidable manual Sg 110 3.5964 0.025 80
IV.FAGN.HHN. 2009-04-06T10:07:19.20 0.1 undecidable manual Pg 110 3.5964 -0.372 99
IV.CRAC.EHN. 2009-04-06T10:07:12.06 10.0 undecidable manual Pg 0 0 0
OE.WTTA.HHE. 2009-04-06T10:07:05.46 10.0 undecidable manual Pg 0 0 0
MN.TUE.HHN. 2009-04-06T10:07:00.72 10.0 undecidable manual Pg 0 0 0
SI.ABSI.BHE. 2009-04-06T10:06:49.56 10.0 undecidable manual Pg 0 0 0
NI.ACOM.HHE. 2009-04-06T10:06:43.09 10.0 undecidable manual Pg 0 0 0
NI.PALA.HHZ. 2009-04-06T10:06:35.09 10.0 undecidable manual Pg 0 0 0
IV.STR3.BHN. 2009-04-06T10:06:16.37 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHE. 2009-04-06T10:06:06.76 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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