Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 05-03-2009 and time 18:55:46 (UTC) in region 2 km NE Torri in Sabina (RI)

A magnitude ML 2.5 earthquake occured in region: 2 km NE Torri in Sabina (RI), on

  • 05-03-2009 18:55:46 (UTC)
  • 05-03-2009 19:55:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3660, 12.6620 at 15 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Torri in Sabina RI 2 1256 1256
Montasola RI 3 395 1651
Vacone RI 3 256 1907
Casperia RI 3 1246 3153
Cottanello RI 5 563 3716
Montebuono RI 5 883 4599
Tarano RI 6 1444 6043
Roccantica RI 6 563 6606
Selci RI 6 1106 7712
Cantalupo in Sabina RI 7 1685 9397
Configni RI 7 633 10030
Poggio Catino RI 8 1341 11371
Calvi dell'Umbria TR 9 1856 13227
Forano RI 9 3179 16406
Collevecchio RI 10 1577 17983
Contigliano RI 10 3783 21766
Monte San Giovanni in Sabina RI 10 714 22480
Stimigliano RI 11 2328 24808
Poggio Mirteto RI 11 6315 31123
Greccio RI 13 1558 32681
Filacciano RM 13 477 33158
Montopoli di Sabina RI 14 4210 37368
Salisano RI 14 567 37935
Ponzano Romano RM 14 1155 39090
Torrita Tiberina RM 15 1089 40179
Magliano Sabina RI 15 3774 43953
Stroncone TR 15 4917 48870
Mompeo RI 15 530 49400
Montenero Sabino RI 16 299 49699
Nazzano RM 16 1436 51135
Otricoli TR 16 1869 53004
Castelnuovo di Farfa RI 16 1059 54063
Rieti RI 17 47698 101761
Casaprota RI 17 744 102505
Colli sul Velino RI 18 533 103038
Fara in Sabina RI 18 13742 116780
Toffia RI 19 1058 117838
Sant'Oreste RM 19 3687 121525
Frasso Sabino RI 19 743 122268
Poggio San Lorenzo RI 20 589 122857
Belmonte in Sabina RI 20 636 123493
Poggio Nativo RI 20 2622 126115
Civitella San Paolo RM 20 2066 128181

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Terni (111501 inhabitants)
41 Km N of Guidonia Montecelio (88673 inhabitants)
46 Km E of Viterbo (67173 inhabitants)
46 Km N of Tivoli (56533 inhabitants)
55 Km N of Roma (2864731 inhabitants)
61 Km W of L'Aquila (69753 inhabitants)
66 Km S of Foligno (57155 inhabitants)
75 Km NE of Fiumicino (78395 inhabitants)
76 Km N of Velletri (53303 inhabitants)
78 Km E of Civitavecchia (52991 inhabitants)
78 Km N of Pomezia (62966 inhabitants)
85 Km S of Perugia (166134 inhabitants)
86 Km N of Aprilia (73446 inhabitants)
92 Km W of Teramo (54892 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 		Md 2.3
ML 2.5 		2009-03-05
18:55:46		 42.366 12.662 15 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 748279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2009-03-05 18:55:46 ± 0.1
Latitude 42.3660 ± 0.0036
Longitude 12.6620 ± 0.0085
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 748279

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 462
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 806.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91101
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.5
Num. used stations
Type of magnitude ML
Reference to an origin 748279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:08:57

Md:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 748279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 14:08:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRAC.EHZ. 2009-03-05T18:57:29.52 10.0 undecidable manual Sg 0 0 0
IV.PTRP.EHZ. 2009-03-05T18:56:35.61 10.0 undecidable manual Pg 0 0 0
IV.FSSB.HHN. 2009-03-05T18:56:31.79 10.0 undecidable manual Pg 0 0 0
IV.PARC.HHZ. 2009-03-05T18:56:27.76 10.0 undecidable manual Pg 0 0 0
IV.CING.HHN. 2009-03-05T18:56:23.18 10.0 undecidable manual Pg 0 0 0
IV.GUMA.HHZ. 2009-03-05T18:56:16.77 10.0 undecidable manual Pg 0 0 0
IV.BSSO.HHE. 2009-03-05T18:56:14.92 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHZ. 2009-03-05T18:56:13.43 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-03-05T18:56:11.31 0.3 undecidable manual Sg 25 82.0512 0.533 58
IV.CESI.HHZ. 2009-03-05T18:56:09.02 0.3 undecidable manual Sg 16 73.5708 0.505 59
IV.ASSB.HHN. 2009-03-05T18:56:09.31 0.6 undecidable manual Sg 360 75.0693 0.403 40
IV.SDI.SHZ. 2009-03-05T18:56:08.06 10.0 undecidable manual Pg 0 0 0
IV.MURB.HHE. 2009-03-05T18:56:07.90 10.0 undecidable manual Sg 0 0 0
MN.AQU.HHN. 2009-03-05T18:56:05.51 10.0 undecidable manual Pg 0 0 0
IV.NRCA.HHZ. 2009-03-05T18:56:05.97 0.3 undecidable manual Sg 35 63.6918 0.089 66
IV.CERT.HHN. 2009-03-05T18:56:03.68 0.6 undecidable manual Sg 150 53.2023 0.57 40
IV.SNTG.SHZ. 2009-03-05T18:56:03.18 0.6 undecidable manual Pg 13 101.121 -0.239 40
IV.MURB.HHE. 2009-03-05T18:56:02.79 10.0 undecidable manual Pg 0 0 0
IV.FDMO.HHE. 2009-03-05T18:56:00.42 0.1 undecidable manual Pg 25 82.0512 -0.053 86
IV.GUAR.HHN. 2009-03-05T18:56:00.50 0.6 undecidable manual Pg 140 83.0502 -0.124 42
IV.MGAB.HHZ. 2009-03-05T18:55:59.66 0.1 undecidable manual Pg 324 75.369 0.202 84
IV.LNSS.HHN. 2009-03-05T18:55:59.93 0.3 undecidable manual Sg 50 40.626 0.178 68
IV.ASSB.HHN. 2009-03-05T18:55:59.00 0.1 undecidable manual Pg 360 75.0693 -0.396 81
IV.PTQR.SHZ. 2009-03-05T18:55:59.05 0.6 undecidable manual Pg 122 71.7726 0.159 43
IV.MTCE.HHN. 2009-03-05T18:55:59.89 0.3 undecidable manual Sg 170 38.628 0.645 60
IV.FIAM.HHZ. 2009-03-05T18:55:59.14 0.6 undecidable manual Sg 106 38.9277 -0.166 45
IV.CESI.HHZ. 2009-03-05T18:55:58.98 0.1 undecidable manual Pg 16 73.5708 -0.193 85
IV.NRCA.HHZ. 2009-03-05T18:55:57.37 0.1 undecidable manual Pg 35 63.6918 -0.279 85
IV.CAMP.HHN. 2009-03-05T18:55:57.43 0.1 undecidable manual Pg 73 63.9915 -0.267 85
IV.CERT.HHN. 2009-03-05T18:55:55.88 0.1 undecidable manual Pg 150 53.2023 -0.164 89
IV.LNSS.HHN. 2009-03-05T18:55:54.00 0.1 undecidable manual Pg 50 40.626 -0.108 92
IV.MTCE.HHN. 2009-03-05T18:55:53.69 0.1 undecidable manual Pg 170 38.628 -0.128 92
IV.FIAM.HHZ. 2009-03-05T18:55:53.80 0.1 undecidable manual Pg 106 38.9277 -0.055 93
IV.MNS.HHZ. 2009-03-05T18:55:51.16 0.3 undecidable manual Sg 36 2.6973 -0.128 72
IV.MNS.HHZ. 2009-03-05T18:55:49.27 0.1 undecidable manual Pg 36 2.6973 0.054 100
IV.CRMI.HHE. 2009-03-05T18:55:26.04 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
Waveforms Seismic signals in miniseed + resp format Download