Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 06-11-2018 and time 18:56:37 (UTC) in region 2 km NW Poggio San Lorenzo (RI)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Poggio San Lorenzo (RI), on

  • 06-11-2018 18:56:37 (UTC)
  • 06-11-2018 19:56:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2660, 12.8290 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.

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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
Poggio San Lorenzo RI 2 589 589
Montenero Sabino RI 2 299 888
Casaprota RI 3 744 1632
Torricella in Sabina RI 3 1342 2974
Monteleone Sabino RI 4 1224 4198
Frasso Sabino RI 4 743 4941
Poggio Nativo RI 6 2622 7563
Mompeo RI 7 530 8093
Salisano RI 7 567 8660
Belmonte in Sabina RI 8 636 9296
Castelnuovo di Farfa RI 8 1059 10355
Poggio Moiano RI 8 2751 13106
Rocca Sinibalda RI 8 815 13921
Monte San Giovanni in Sabina RI 8 714 14635
Toffia RI 9 1058 15693
Fara in Sabina RI 10 13742 29435
Scandriglia RI 11 3108 32543
Longone Sabino RI 11 597 33140
Montopoli di Sabina RI 11 4210 37350
Colle di Tora RI 12 372 37722
Poggio Catino RI 12 1341 39063
Poggio Mirteto RI 12 6315 45378
Nerola RM 12 1926 47304
Castel di Tora RI 13 288 47592
Roccantica RI 13 563 48155
Montorio Romano RM 14 1984 50139
Concerviano RI 15 291 50430
Casperia RI 15 1246 51676
Cantalupo in Sabina RI 16 1685 53361
Rieti RI 16 47698 101059
Ascrea RI 16 234 101293
Varco Sabino RI 16 187 101480
Montelibretti RM 16 5323 106803
Pozzaglia Sabina RI 16 360 107163
Paganico Sabino RI 16 172 107335
Cittaducale RI 17 6828 114163
Contigliano RI 17 3783 117946
Monteflavio RM 17 1348 119294
Moricone RM 17 2650 121944
Orvinio RI 17 405 122349
Torrita Tiberina RM 18 1089 123438
Selci RI 18 1106 124544
Montasola RI 18 395 124939
Torri in Sabina RI 18 1256 126195
Marcetelli RI 19 89 126284
Filacciano RM 19 477 126761
Nazzano RM 19 1436 128197
Forano RI 20 3179 131376
Cottanello RI 20 563 131939
Collegiove RI 20 213 132152

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km N of Guidonia Montecelio (88673 inhabitants)
34 Km N of Tivoli (56533 inhabitants)
36 Km SE of Terni (111501 inhabitants)
48 Km W of L'Aquila (69753 inhabitants)
50 Km NE of Roma (2864731 inhabitants)
62 Km E of Viterbo (67173 inhabitants)
65 Km N of Velletri (53303 inhabitants)
72 Km NE of Pomezia (62966 inhabitants)
73 Km NE of Fiumicino (78395 inhabitants)
76 Km N of Aprilia (73446 inhabitants)
78 Km S of Foligno (57155 inhabitants)
84 Km SW of Teramo (54892 inhabitants)
87 Km E of Civitavecchia (52991 inhabitants)
89 Km N of Latina (125985 inhabitants)
92 Km N of Anzio (54211 inhabitants)
100 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
Bulletin
Rev1000 		ML 1.3 2018-11-06
18:56:37		 42.266 12.8292 10 2019-06-04
09:16:01		 Bollettino Sismico Italiano INGV 63003701
Reviewed
Rev100 		ML 1.4 2018-11-06
18:56:37		 42.253 12.8243 23 2018-11-06
19:21:31		 Sala Sismica INGV-Roma 62845501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-06 18:56:37 ± 0.17
Latitude 42.2660 ± 0.0027
Longitude 12.8292 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63003701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57017
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 63003701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-11-12 15:23:20

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 62845501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-06 19:21:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GATE.HHZ. 2018-11-06T18:57:38.30 3.0 undecidable manual Sg 3.45 0
IV.APEC.HHZ. 2018-11-06T18:57:20.65 3.0 undecidable manual S 0.13 0
IV.MOMA.HNZ. 2018-11-06T18:56:57.47 0.3 undecidable manual S 341 63.2922 50 0.32 66
IV.SMA1.EHN. 2018-11-06T18:56:55.57 1.0 undecidable manual S 46 57.8976 50 -0.12 24
IV.GAVE.EHZ. 2018-11-06T18:56:52.85 0.3 undecidable manual S 6 47.619 50 -0.09 74
IV.LNSS.HHE. 2018-11-06T18:56:51.04 0.3 undecidable manual S 25 41.1255 50 -0.19 73
IV.CESX.HHE. 2018-11-06T18:56:51.65 0.3 undecidable manual S 333 42.8238 50 -0.04 74
IV.RM33.EHN. 2018-11-06T18:56:51.41 0.3 undecidable manual S 49 41.5251 50 0.08 73
IV.CERT.HHZ. 2018-11-06T18:56:49.91 0.3 undecidable manual S 160 37.3293 50 -0.3 73
IV.MOMA.HNZ. 2018-11-06T18:56:48.85 1.0 undecidable manual P 341 63.2922 50 0.02 24
IV.SRES.HHZ. 2018-11-06T18:56:47.33 0.3 undecidable manual S 263 26.4513 110 0.08 74
IV.MTCE.HHZ. 2018-11-06T18:56:47.76 0.3 undecidable manual S 195 27.9498 50 0.07 73
IV.T1299.HNN. 2018-11-06T18:56:47.52 0.1 undecidable manual P 42 55.2003 50 -0.06 96
IV.SMA1.EHN. 2018-11-06T18:56:47.90 0.3 undecidable manual P 46 57.8976 50 -0.1 71
IV.PTQR.HHZ. 2018-11-06T18:56:47.56 0.3 undecidable manual P 120 54.2013 50 0.13 71
IV.GAVE.EHZ. 2018-11-06T18:56:46.31 0.1 positive manual P 6 47.619 50 -0.1 97
IV.FIAM.HHZ. 2018-11-06T18:56:46.78 0.3 undecidable manual S 89 23.6541 112 0.43 73
IV.RM33.EHN. 2018-11-06T18:56:45.42 0.1 positive manual P 49 41.5251 50 -0.05 98
IV.LNSS.HHE. 2018-11-06T18:56:45.45 0.1 undecidable manual P 25 41.1255 50 0.03 100
IV.CESX.HHE. 2018-11-06T18:56:45.51 0.3 undecidable manual P 333 42.8238 50 -0.18 72
IV.CERT.HHZ. 2018-11-06T18:56:44.64 0.1 undecidable manual P 160 37.3293 50 -0.19 97
IV.FIAM.HHZ. 2018-11-06T18:56:43.02 0.1 undecidable manual P 89 23.6541 112 0.42 97
IV.SRES.HHZ. 2018-11-06T18:56:43.27 0.1 undecidable manual P 263 26.4513 110 0.15 99
IV.MTCE.HHZ. 2018-11-06T18:56:43.45 0.1 undecidable manual P 195 27.9498 50 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SRES.HHN. ML:1.1 0.00006264999999999999 0.54 AML other m 2018-11-06T18:56:48.39
IV.SRES.HHE. ML:1.0 0.0000569 1.78 AML other m 2018-11-06T18:56:49.97
IV.FIAM.HHN. ML:1.0 0.00006975 1 AML other m 2018-11-06T18:56:49.23
IV.CERT.HHE. ML:1.3 0.0000818 1.26 AML other m 2018-11-06T18:56:50.32
IV.RCAV.EHE. ML:1.5 0.0000849 0.46 AML other m 2018-11-06T18:56:50.73
IV.RCAV.EHN. ML:1.9 0.00023 1.16 AML other m 2018-11-06T18:56:51.00
IV.CERT.HHN. ML:1.2 0.00006565 0.84 AML other m 2018-11-06T18:56:51.14
IV.FIAM.HHE. ML:0.9 0.000051500000000000005 0.44 AML other m 2018-11-06T18:56:51.77
IV.GAVE.EHE. ML:1.5 0.000092 0.14 AML other m 2018-11-06T18:56:53.91
IV.GAVE.EHN. ML:1.6 0.000118 1.5 AML other m 2018-11-06T18:56:54.92
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