Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 10-12-2020 and time 16:18:17 (Italy) in region 3 km E Poggio Moiano (RI)

A magnitude ML 1.7 earthquake occured in region: 3 km E Poggio Moiano (RI), on

  • 10-12-2020 15:18:17 (UTC)
  • 10-12-2020 16:18:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.2140, 12.9050 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
Poggio Moiano RI 3 2751 2751
Colle di Tora RI 4 372 3123
Monteleone Sabino RI 4 1224 4347
Castel di Tora RI 5 288 4635
Torricella in Sabina RI 6 1342 5977
Poggio San Lorenzo RI 7 589 6566
Rocca Sinibalda RI 7 815 7381
Scandriglia RI 7 3108 10489
Pozzaglia Sabina RI 8 360 10849
Ascrea RI 8 234 11083
Paganico Sabino RI 8 172 11255
Longone Sabino RI 8 597 11852
Frasso Sabino RI 8 743 12595
Poggio Nativo RI 9 2622 15217
Casaprota RI 9 744 15961
Orvinio RI 9 405 16366
Varco Sabino RI 10 187 16553
Montenero Sabino RI 11 299 16852
Nerola RM 11 1926 18778
Collegiove RI 12 213 18991
Montorio Romano RM 12 1984 20975
Belmonte in Sabina RI 12 636 21611
Marcetelli RI 12 89 21700
Turania RI 12 241 21941
Toffia RI 13 1058 22999
Monteflavio RM 13 1348 24347
Percile RM 13 255 24602
Mompeo RI 13 530 25132
Castelnuovo di Farfa RI 14 1059 26191
Concerviano RI 14 291 26482
Salisano RI 14 567 27049
Fara in Sabina RI 14 13742 40791
Collalto Sabino RI 15 442 41233
Nespolo RI 15 246 41479
Vivaro Romano RM 15 182 41661
Moricone RM 15 2650 44311
Licenza RM 15 1011 45322
Vallinfreda RM 16 283 45605
Montelibretti RM 16 5323 50928
Petrella Salto RI 16 1197 52125
Monte San Giovanni in Sabina RI 17 714 52839
Montopoli di Sabina RI 18 4210 57049
Roccagiovine RM 18 263 57312
Riofreddo RM 19 781 58093
Cineto Romano RM 19 601 58694
Fiamignano RI 19 1413 60107
Poggio Mirteto RI 19 6315 66422
Carsoli AQ 20 5396 71818
Poggio Catino RI 20 1341 73159
Cittaducale RI 20 6828 79987
Palombara Sabina RM 20 13269 93256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Guidonia Montecelio (88673 inhabitants)
29 Km NE of Tivoli (56533 inhabitants)
44 Km W of L'Aquila (69753 inhabitants)
44 Km SE of Terni (111501 inhabitants)
50 Km NE of Roma (2864731 inhabitants)
60 Km N of Velletri (53303 inhabitants)
69 Km NE of Pomezia (62966 inhabitants)
70 Km E of Viterbo (67173 inhabitants)
72 Km N of Aprilia (73446 inhabitants)
74 Km NE of Fiumicino (78395 inhabitants)
82 Km SW of Teramo (54892 inhabitants)
83 Km N of Latina (125985 inhabitants)
84 Km S of Foligno (57155 inhabitants)
88 Km N of Anzio (54211 inhabitants)
93 Km E of Civitavecchia (52991 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 1.7 2020-12-10
15:18:17		 42.2138 12.9053 9 2021-02-26
14:56:19		 Bollettino Sismico Italiano INGV 87309211
Reviewed
Rev100 		ML 1.7 2020-12-10
15:18:17		 42.2207 12.9153 8 2020-12-10
15:29:21		 Sala Sismica INGV-Roma 85341231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-10 15:18:17 ± 0.09
Latitude 42.2138 ± 0.0054
Longitude 12.9053 ± 0.0073
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 87309211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 636
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90472
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 87309211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-20 00:14:43

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 85341231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-10 15:29:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2020-12-10T15:20:24.13 3.0 undecidable manual Sn -9.39 0
IV.MESG.HHZ. 2020-12-10T15:20:08.67 3.0 undecidable manual Sg 6.64 0
CR.ZAG.BHZ. 2020-12-10T15:20:08.76 3.0 undecidable manual Sn -5.2 0
GU.GSCL.HHZ. 2020-12-10T15:19:45.66 3.0 undecidable manual Sg 0.11 0
IV.SARZ.HHZ. 2020-12-10T15:19:31.74 3.0 negative manual Pg 7.71 0
AC.VLO.HHZ. 2020-12-10T15:19:31.24 3.0 undecidable manual Pn -1.71 0
IV.MFNL.HHZ. 2020-12-10T15:19:28.21 3.0 positive manual Pg 3.58 0
IV.PIPA.HHZ. 2020-12-10T15:19:26.23 3.0 positive manual Pg 9.89 0
IV.SBPO.HNZ. 2020-12-10T15:19:21.95 3.0 undecidable manual Pg 9.07 0
IV.FIR.HHZ. 2020-12-10T15:19:21.19 3.0 undecidable manual Sn -6.06 0
IV.MTGR.HHZ. 2020-12-10T15:19:19.59 3.0 undecidable manual Pn -3.8 0
IV.CSNT.HHZ. 2020-12-10T15:19:17.19 3.0 undecidable manual Sn -4.47 0
IV.RIBO.EHZ.01 2020-12-10T15:19:14.47 3.0 undecidable manual Sn -3.63 0
IV.CAVE.HHZ. 2020-12-10T15:19:13.56 3.0 positive manual Pg 3.26 0
IV.FDMO.HHZ. 2020-12-10T15:18:46.64 0.6 undecidable manual S 9 92.4408 50 1.06 31
IV.MOMA.HHN. 2020-12-10T15:18:40.60 0.6 undecidable manual S 337 70.9734 50 0.76 37
IV.NRCA.HHZ. 2020-12-10T15:18:39.77 0.6 undecidable manual S 14 70.8735 50 -0.04 45
IV.GUAR.HNE. 2020-12-10T15:18:36.40 0.6 undecidable manual S 144 57.2982 50 0.19 45
IV.CESX.HHE. 2020-12-10T15:18:35.26 0.3 undecidable manual S 329 51.0156 50 0.75 57
IV.CSP1.EHZ. 2020-12-10T15:18:35.29 0.6 undecidable manual P 14 100.4217 50 0.16 41
IV.GAVE.EHZ. 2020-12-10T15:18:34.92 0.6 undecidable manual S 359 53.1024 50 -0.15 45
IV.FDMO.HHZ. 2020-12-10T15:18:33.79 0.3 undecidable manual P 9 92.4408 50 -0.11 64
IV.LNSS.HHZ. 2020-12-10T15:18:32.48 0.6 undecidable manual S 14 44.5221 50 -0.31 45
IV.RCAV.EHZ. 2020-12-10T15:18:31.53 0.6 undecidable manual S 175 40.8258 50 -0.26 45
IV.ARRO.EHE. 2020-12-10T15:18:31.91 0.6 undecidable manual S 344 42.1245 50 -0.23 45
IV.NRCA.HHZ. 2020-12-10T15:18:30.06 0.3 undecidable manual P 14 70.8735 50 -0.51 61
IV.MOMA.HHN. 2020-12-10T15:18:30.48 0.3 undecidable manual P 337 70.9734 50 -0.11 66
IV.SRES.HHZ. 2020-12-10T15:18:29.04 0.6 undecidable manual S 275 32.5452 50 -0.56 43
IV.GUAR.HNE. 2020-12-10T15:18:28.31 0.6 undecidable manual P 144 57.2982 50 -0.18 45
IV.GAVE.EHZ. 2020-12-10T15:18:27.37 0.3 undecidable manual P 359 53.1024 50 -0.46 64
IV.CESX.HHE. 2020-12-10T15:18:27.82 0.3 undecidable manual P 329 51.0156 50 0.32 66
IV.CAMP.HHN. 2020-12-10T15:18:27.62 0.3 undecidable manual P 49 54.6009 50 -0.44 64
IV.PTQR.HHZ. 2020-12-10T15:18:26.71 0.6 undecidable manual P 117 46.0206 50 -0.02 47
IV.LNSS.HHZ. 2020-12-10T15:18:26.04 0.3 undecidable manual P 14 44.5221 50 -0.48 64
IV.RCAV.EHZ. 2020-12-10T15:18:26.16 0.3 undecidable manual P 175 40.8258 50 0.22 69
IV.ARRO.EHE. 2020-12-10T15:18:26.54 0.3 undecidable manual P 344 42.1245 50 0.4 66
IT.CSO1.HGE. 2020-12-10T15:18:25.65 0.3 undecidable manual S 130 19.5693 114 0.27 70
IV.SRES.HHZ. 2020-12-10T15:18:24.90 0.6 undecidable manual P 275 32.5452 50 0.23 46
IV.MTCE.HHZ. 2020-12-10T15:18:23.17 0.3 undecidable manual P 212 25.0527 109 -0.09 72
IT.MMP1.HGE. 2020-12-10T15:18:23.37 0.3 undecidable manual S 287 13.4754 123 -0.15 73
IT.CSO1.HGE. 2020-12-10T15:18:22.45 0.3 undecidable manual P 130 19.5693 114 0.22 71
IT.MMP1.HGE. 2020-12-10T15:18:21.18 0.1 undecidable manual P 287 13.4754 123 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.6 0.0001232 0.56 AML other m 2020-12-10T15:18:33.87
IV.LNSS.HHN. ML:1.7 0.000156 0.18 AML other m 2020-12-10T15:18:34.48
IV.GAVE.EHE. ML:2.0 0.00023850000000000002 0.22 AML other m 2020-12-10T15:18:36.08
IV.GAVE.EHN. ML:2.0 0.00025550000000000003 0.28 AML other m 2020-12-10T15:18:36.24
IV.NRCA.HHE. ML:1.7 0.00008215 1.1 AML other m 2020-12-10T15:18:41.25
IV.NRCA.HHN. ML:1.8 0.00009825 1.44 AML other m 2020-12-10T15:18:41.90
IV.FDMO.HHN. ML:1.5 0.00003665 1.26 AML other m 2020-12-10T15:18:50.07
IV.FDMO.HHE. ML:1.5 0.0000356 0.78 AML other m 2020-12-10T15:18:51.41
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