Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 18-10-2012 and time 23:23:44 (Italy) in region 2 km NW Montenero Sabino (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Montenero Sabino (RI), on

  • 18-10-2012 21:23:44 (UTC)
  • 18-10-2012 23:23:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2950, 12.8040 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.

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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
Montenero Sabino RI 2 299 299
Monte San Giovanni in Sabina RI 4 714 1013
Casaprota RI 5 744 1757
Poggio San Lorenzo RI 6 589 2346
Salisano RI 6 567 2913
Torricella in Sabina RI 7 1342 4255
Mompeo RI 7 530 4785
Frasso Sabino RI 7 743 5528
Belmonte in Sabina RI 8 636 6164
Monteleone Sabino RI 8 1224 7388
Castelnuovo di Farfa RI 9 1059 8447
Poggio Nativo RI 9 2622 11069
Poggio Catino RI 9 1341 12410
Roccantica RI 10 563 12973
Toffia RI 10 1058 14031
Poggio Mirteto RI 10 6315 20346
Rocca Sinibalda RI 10 815 21161
Montopoli di Sabina RI 11 4210 25371
Fara in Sabina RI 11 13742 39113
Poggio Moiano RI 12 2751 41864
Casperia RI 12 1246 43110
Cantalupo in Sabina RI 13 1685 44795
Contigliano RI 13 3783 48578
Rieti RI 13 47698 96276
Longone Sabino RI 14 597 96873
Montasola RI 14 395 97268
Nerola RM 15 1926 99194
Scandriglia RI 15 3108 102302
Colle di Tora RI 15 372 102674
Torri in Sabina RI 15 1256 103930
Selci RI 15 1106 105036
Concerviano RI 15 291 105327
Cottanello RI 16 563 105890
Cittaducale RI 16 6828 112718
Castel di Tora RI 16 288 113006
Torrita Tiberina RM 17 1089 114095
Vacone RI 17 256 114351
Forano RI 17 3179 117530
Montorio Romano RM 17 1984 119514
Filacciano RM 17 477 119991
Greccio RI 18 1558 121549
Montelibretti RM 18 5323 126872
Nazzano RM 18 1436 128308
Tarano RI 18 1444 129752
Montebuono RI 19 883 130635
Varco Sabino RI 19 187 130822
Ascrea RI 19 234 131056
Ponzano Romano RM 19 1155 132211
Configni RI 20 633 132844
Stimigliano RI 20 2328 135172
Paganico Sabino RI 20 172 135344
Moricone RM 20 2650 137994
Pozzaglia Sabina RI 20 360 138354

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km SE of Terni (111501 inhabitants)
33 Km N of Guidonia Montecelio (88673 inhabitants)
37 Km N of Tivoli (56533 inhabitants)
49 Km W of L'Aquila (69753 inhabitants)
52 Km NE of Roma (2864731 inhabitants)
59 Km E of Viterbo (67173 inhabitants)
68 Km N of Velletri (53303 inhabitants)
74 Km NE of Pomezia (62966 inhabitants)
74 Km S of Foligno (57155 inhabitants)
75 Km NE of Fiumicino (78395 inhabitants)
79 Km N of Aprilia (73446 inhabitants)
84 Km W of Teramo (54892 inhabitants)
86 Km E of Civitavecchia (52991 inhabitants)
92 Km N of Latina (125985 inhabitants)
95 Km N of Anzio (54211 inhabitants)
97 Km SE of Perugia (166134 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
Reviewed
Rev100 		ML 1.3 2012-10-18
21:23:44		 42.2918 12.8037 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 2376011
Bulletin
Rev1000 		ML 1.3 2012-10-18
21:23:44		 42.2948 12.8035 9 2014-09-19
08:14:18		 Bollettino Sismico Italiano INGV 4147071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-10-18 21:23:44 ± 0.16
Latitude 42.2948 ± 0.0036
Longitude 12.8035 ± 0.0085
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 4147071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 493
Semi-minor axis of confidence ellipse (meter) 489
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.23382
Epicentral distance of station farthest from the epicenter (degree) 0.76982
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 4147071
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:40

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 2376011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-10-18 21:28:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2012-10-18T21:24:10.27 0.6 undecidable manual S 16 85.4478 50 -0.21 44
IV.NRCA.HHZ. 2012-10-18T21:24:05.22 0.3 undecidable manual S 23 64.8906 50 0.21 69
IV.SMA1.EHZ. 2012-10-18T21:24:03.31 0.3 undecidable manual S 49 57.2982 50 0.35 68
IV.MOMA.HHZ. 2012-10-18T21:24:03.84 0.3 undecidable manual S 341 59.2962 50 0.33 68
IV.FDMO.HHZ. 2012-10-18T21:23:59.50 0.1 undecidable manual P 16 85.4478 50 -0.13 90
IV.LNSS.HHZ. 2012-10-18T21:23:58.18 0.3 undecidable manual S 29 39.2274 50 0.02 75
IV.CERT.HHZ. 2012-10-18T21:23:58.44 0.3 undecidable manual S 159 41.0256 50 -0.2 72
IV.NRCA.HHZ. 2012-10-18T21:23:56.10 0.1 undecidable manual P 23 64.8906 50 -0.36 89
IV.MTCE.HHZ. 2012-10-18T21:23:56.06 0.6 undecidable manual S 189 30.6471 50 0.22 49
IV.ARRO.EHZ. 2012-10-18T21:23:56.08 0.3 undecidable manual S 354 31.6461 50 -0.05 76
IV.SMA1.EHZ. 2012-10-18T21:23:55.19 0.1 undecidable manual P 49 57.2982 50 -0.09 95
IV.MOMA.HHZ. 2012-10-18T21:23:55.62 0.3 undecidable manual P 341 59.2962 50 0.02 72
IV.FIAM.HHZ. 2012-10-18T21:23:54.56 0.6 undecidable manual S 97 25.9518 109 0.23 49
IV.LNSS.HHZ. 2012-10-18T21:23:52.26 0.1 undecidable manual P 29 39.2274 50 -0.25 95
IV.CERT.HHZ. 2012-10-18T21:23:52.63 0.1 undecidable manual P 159 41.0256 50 -0.15 97
IV.MTCE.HHZ. 2012-10-18T21:23:51.41 0.1 undecidable manual P 189 30.6471 50 0.23 97
IV.ARRO.EHZ. 2012-10-18T21:23:51.43 0.1 undecidable manual P 354 31.6461 50 0.09 100
IV.FIAM.HHZ. 2012-10-18T21:23:50.56 1.0 undecidable manual P 97 25.9518 109 0.27 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.4 0.0001206 0.2 AML other m 2012-10-18T21:23:56.43
IV.ARRO.EHE. ML:1.3 0.00009164999999999999 0.14 AML other m 2012-10-18T21:23:56.89
IV.CERT.HHN. ML:1.2 0.00005965 0.38 AML other m 2012-10-18T21:24:00.08
IV.CERT.HHE. ML:1.4 0.0000757 0.36 AML other m 2012-10-18T21:24:00.52
IV.FIAM.HHN. ML:0.9 0.00004675 0.42 AML other m 2012-10-18T21:23:55.10
IV.FIAM.HHE. ML:1.0 0.000059 0.84 AML other m 2012-10-18T21:23:59.13
IV.LNSS.HHE. ML:1.6 0.000143 0.42 AML other m 2012-10-18T21:23:59.01
IV.LNSS.HHN. ML:1.5 0.00010489999999999999 0.72 AML other m 2012-10-18T21:23:59.11
IV.MOMA.HHE. ML:1.2 0.0000374 0.98 AML other m 2012-10-18T21:24:05.32
IV.MOMA.HHN. ML:1.2 0.0000317 0.18 AML other m 2012-10-18T21:24:05.62
IV.NRCA.HHN. ML:1.3 0.000037900000000000006 1.54 AML other m 2012-10-18T21:24:06.74
IV.NRCA.HHE. ML:1.5 0.00005555 0.1 AML other m 2012-10-18T21:24:07.00
IV.SMA1.EHE. ML:1.3 0.00004615 0.2 AML other m 2012-10-18T21:24:04.12
IV.SMA1.EHN. ML:1.3 0.000044649999999999994 0.12 AML other m 2012-10-18T21:24:04.59
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