Earthquake with magnitude of ML 2.0 on date 04-12-2009 and time 12:55:01 (Italy) in region 1 km NW Prata d'Ansidonia (AQ)

A magnitude ML 2.0 earthquake occured in region: 1 km NW Prata d'Ansidonia (AQ), on

  • 04-12-2009 11:55:01 (UTC)
  • 04-12-2009 12:55:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2850, 13.5980 at 8 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
Prata d'Ansidonia AQ 1 496 496
San Demetrio ne' Vestini AQ 3 1854 2350
Fagnano Alto AQ 4 418 2768
Barisciano AQ 5 1828 4596
San Pio delle Camere AQ 5 661 5257
Villa Sant'Angelo AQ 5 424 5681
Fontecchio AQ 6 369 6050
Sant'Eusanio Forconese AQ 6 394 6444
Poggio Picenze AQ 6 1136 7580
Caporciano AQ 7 230 7810
Carapelle Calvisio AQ 7 87 7897
Santo Stefano di Sessanio AQ 8 111 8008
Castelvecchio Calvisio AQ 8 153 8161
Fossa AQ 9 721 8882
Calascio AQ 9 137 9019
Tione degli Abruzzi AQ 10 310 9329
Ocre AQ 10 1167 10496
Rocca di Cambio AQ 10 533 11029
Rocca di Mezzo AQ 11 1526 12555
Navelli AQ 12 554 13109
Castel del Monte AQ 14 413 13522
Ofena AQ 14 506 14028
Capestrano AQ 14 884 14912
Acciano AQ 16 327 15239
Villa Santa Lucia degli Abruzzi AQ 16 123 15362
Secinaro AQ 16 359 15721
Collepietro AQ 17 237 15958
L'Aquila AQ 18 69753 85711
Ovindoli AQ 18 1227 86938
San Benedetto in Perillis AQ 18 113 87051
Molina Aterno AQ 19 386 87437
Gagliano Aterno AQ 20 254 87691

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of L'Aquila (69753 inhabitants)
43 Km S of Teramo (54892 inhabitants)
48 Km W of Chieti (51815 inhabitants)
52 Km SW of Montesilvano (53738 inhabitants)
55 Km W of Pescara (121014 inhabitants)
75 Km E of Tivoli (56533 inhabitants)
78 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Terni (111501 inhabitants)
95 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 2009-12-04
11:55:01
42.285 13.598 8 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 996409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-12-04 11:55:01 ± 0.11
Latitude 42.2850 ± 0.0054
Longitude 13.5980 ± 0.0097
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 996409

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 904
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.88134
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.7
Num. used stations
Type of magnitude ML
Reference to an origin 996409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:05:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2009-12-04T11:55:18.52 0.3 undecidable manual Pg 325 97.8243 0.259 60
IV.FDMO.HHE. 2009-12-04T11:55:17.38 0.3 undecidable manual Pg 334 93.1401 -0.161 62
IV.SMA1.EHZ. 2009-12-04T11:55:16.65 0.3 undecidable manual Sg 331 43.9227 0.402 65
IV.RM29.EHZ. 2009-12-04T11:55:16.75 0.1 undecidable manual Sg 313 44.5221 0.342 87
IV.FIAM.HHZ. 2009-12-04T11:55:15.07 0.3 undecidable manual Sg 267 39.5271 0.002 71
IV.INTR.HHE. 2009-12-04T11:55:15.05 0.1 undecidable manual Sg 140 39.4272 -0.012 95
IV.NRCA.SHZ. 2009-12-04T11:55:14.20 0.3 undecidable manual Pg 327 72.5718 -0.161 65
IV.SDI.SHZ. 2009-12-04T11:55:13.06 0.1 undecidable manual Pg 165 66.1893 -0.324 84
IV.GUAR.HHE. 2009-12-04T11:55:13.43 0.3 undecidable manual Pg 203 59.2962 1.107 48
IV.PTQR.SHZ. 2009-12-04T11:55:12.56 0.6 undecidable manual Sg 209 33.4443 -0.7 40
IV.CAMP.HHZ. 2009-12-04T11:55:12.33 0.3 undecidable manual Sg 331 31.8459 -0.385 66
IV.RM29.EHZ. 2009-12-04T11:55:09.96 0.1 undecidable manual Pg 313 44.5221 -0.082 92
IV.INTR.HHE. 2009-12-04T11:55:09.07 0.1 undecidable manual Pg 140 39.4272 -0.196 91
IV.FIAM.HHZ. 2009-12-04T11:55:09.15 0.1 undecidable manual Pg 267 39.5271 -0.121 92
IV.SMA1.EHZ. 2009-12-04T11:55:09.57 0.1 undecidable manual Pg 331 43.9227 -0.379 87
IV.PTQR.SHZ. 2009-12-04T11:55:08.58 0.3 undecidable manual Pg 209 33.4443 0.354 67
IV.TERO.HHZ. 2009-12-04T11:55:08.42 0.1 undecidable manual Pg 1 37.4292 -0.531 85
IV.CAMP.HHZ. 2009-12-04T11:55:07.72 0.1 undecidable manual Pg 331 31.8459 -0.191 92
IV.VCEL.EHZ. 2009-12-04T11:55:06.94 0.1 undecidable manual Pg 59 23.2545 0.668 82
IV.T0104.HHE. 2009-12-04T11:55:06.63 0.1 undecidable manual Pg 291 22.8549 0.442 89
IV.FAGN.HHN. 2009-12-04T11:55:04.15 0.6 undecidable manual Sg 208 2.4975 -0.048 50
IV.FAGN.HHN. 2009-12-04T11:55:02.94 0.1 undecidable manual Pg 208 2.4975 -0.051 100
IV.ARCI.HHE. 2009-12-04T11:54:56.25 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download