Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 24-12-2020 and time 13:45:59 (UTC) in region 2 km E Vicovaro (RM)

A magnitude ML 1.9 earthquake occured in region: 2 km E Vicovaro (RM), on

  • 24-12-2020 13:45:59 (UTC)
  • 24-12-2020 14:45:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0100, 12.9180 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
Vicovaro RM 2 4019 4019
Mandela RM 3 917 4936
Saracinesco RM 3 185 5121
Sambuci RM 3 925 6046
Roccagiovine RM 5 263 6309
Castel Madama RM 6 7399 13708
Ciciliano RM 6 1336 15044
Cineto Romano RM 6 601 15645
Anticoli Corrado RM 6 915 16560
San Polo dei Cavalieri RM 6 2992 19552
Roviano RM 7 1351 20903
Licenza RM 7 1011 21914
Marano Equo RM 8 779 22693
Riofreddo RM 9 781 23474
Cerreto Laziale RM 9 1118 24592
Arsoli RM 9 1586 26178
Marcellina RM 9 7280 33458
Percile RM 10 255 33713
Agosta RM 10 1765 35478
Vallinfreda RM 11 283 35761
Gerano RM 11 1263 37024
Rocca Canterano RM 11 196 37220
San Gregorio da Sassola RM 11 1619 38839
Tivoli RM 11 56533 95372
Oricola AQ 11 1244 96616
Casape RM 12 744 97360
Pisoniano RM 12 770 98130
Canterano RM 13 351 98481
Vivaro Romano RM 13 182 98663
Cervara di Roma RM 13 455 99118
Rocca di Botte AQ 13 856 99974
Monteflavio RM 13 1348 101322
Poli RM 14 2418 103740
Orvinio RI 14 405 104145
Palombara Sabina RM 14 13269 117414
Rocca Santo Stefano RM 14 975 118389
San Vito Romano RM 15 3273 121662
Guidonia Montecelio RM 16 88673 210335
Camerata Nuova RM 16 447 210782
Turania RI 16 241 211023
Pereto AQ 16 682 211705
Capranica Prenestina RM 17 351 212056
Moricone RM 17 2650 214706
Carsoli AQ 17 5396 220102
Montorio Romano RM 17 1984 222086
Sant'Angelo Romano RM 17 5018 227104
Bellegra RM 17 2887 229991
Pozzaglia Sabina RI 17 360 230351
Gallicano nel Lazio RM 17 6334 236685
Collalto Sabino RI 18 442 237127
Subiaco RM 18 9074 246201
Castel San Pietro Romano RM 18 902 247103
Rocca di Cave RM 18 377 247480
Scandriglia RI 18 3108 250588
Palestrina RM 19 21672 272260
Olevano Romano RM 19 6687 278947
Roiate RM 19 737 279684

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Tivoli (56533 inhabitants)
16 Km E of Guidonia Montecelio (88673 inhabitants)
38 Km NE of Velletri (53303 inhabitants)
38 Km E of Roma (2864731 inhabitants)
51 Km NE of Pomezia (62966 inhabitants)
51 Km NE of Aprilia (73446 inhabitants)
55 Km SW of L'Aquila (69753 inhabitants)
60 Km N of Latina (125985 inhabitants)
62 Km E of Fiumicino (78395 inhabitants)
65 Km SE of Terni (111501 inhabitants)
67 Km NE of Anzio (54211 inhabitants)
81 Km SE of Viterbo (67173 inhabitants)
93 Km E of Civitavecchia (52991 inhabitants)
97 Km SW 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 		ML 1.9 2020-12-24
13:45:59		 42.0103 12.9175 9 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86097721
Reviewed
Rev100 		ML 1.8 2020-12-24
13:45:59		 42.0132 12.9147 9 2020-12-24
14:04:31		 Sala Sismica INGV-Roma 85676261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-24 13:45:59 ± 0.08
Latitude 42.0103 ± 0.0036
Longitude 12.9175 ± 0.0061
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 86097721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 29
Number of associated phases, regardless of their use for origin computation 75
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12055
Number of stations at which the event was observed 57
Number of stations from which data was used for origin computation 34
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 85676261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-24 14:04:31

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 86097721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-08 15:14:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ECTS.HHZ. 2020-12-24T13:47:55.31 3.0 undecidable manual Sn -2.72 0
XK.GIZZ.HHZ. 2020-12-24T13:47:54.12 3.0 undecidable manual Sg 8.77 0
IV.SPS2.HHZ. 2020-12-24T13:47:45.57 3.0 undecidable manual Sn 4.31 0
IV.MILZ.HHZ. 2020-12-24T13:47:44.24 3.0 undecidable manual Sn -5.92 0
OT.TAR1.HHZ. 2020-12-24T13:47:35.74 3.0 undecidable manual Sn -2.14 0
IV.TDS.HHZ. 2020-12-24T13:47:34.32 3.0 undecidable manual Sn -0.57 0
IV.HAGA.HHZ. 2020-12-24T13:47:26.44 3.0 undecidable manual Pg 12.9 0
GU.GRAM.HHZ. 2020-12-24T13:47:26.28 3.0 undecidable manual Sn -3.67 0
CH.FUORN.HHZ. 2020-12-24T13:47:24.69 3.0 undecidable manual Pg 10.65 0
GU.GSCL.HHZ. 2020-12-24T13:47:21.28 3.0 undecidable manual Sn -0.27 0
IV.ZONE.HHZ. 2020-12-24T13:47:11.14 3.0 undecidable manual Pg 7.05 0
IV.PIPA.HHZ. 2020-12-24T13:47:10.24 3.0 negative manual Pg 12.11 0
CR.STON.BHZ. 2020-12-24T13:47:05.12 3.0 undecidable manual Pg 9.89 0
GU.GRAM.HHZ. 2020-12-24T13:47:01.64 3.0 positive manual Pg 11.66 0
IV.TDS.HHZ. 2020-12-24T13:46:56.30 3.0 undecidable manual Pn 3.55 0
IV.PAOL.HHZ. 2020-12-24T13:46:52.04 3.0 undecidable manual S 4.04 0
IV.FOSV.EHZ. 2020-12-24T13:46:38.70 3.0 undecidable manual S -3.82 0
IV.MMO1.EHZ. 2020-12-24T13:46:33.58 3.0 undecidable manual S 0
IV.APRC.HHZ. 2020-12-24T13:46:31.70 3.0 undecidable manual Pn -0.45 0
IV.RIBO.EHZ.01 2020-12-24T13:46:27.96 3.0 undecidable manual Pn -0.4 0
IV.PTRJ.HNZ. 2020-12-24T13:46:27.94 3.0 undecidable manual P 4.33 0
IV.PE3.EHZ. 2020-12-24T13:46:27.89 3.0 undecidable manual Pn -1.25 0
IV.TRIV.HHZ. 2020-12-24T13:46:24.34 3.0 undecidable manual P 2.3 0
IV.SACS.HHE. 2020-12-24T13:46:21.00 0.6 undecidable manual P 319 124.3866 50 1.03 30
IV.MNTT.EHZ. 2020-12-24T13:46:20.47 3.0 undecidable manual P -1.09 0
IV.MGAB.HHZ. 2020-12-24T13:46:19.64 0.3 undecidable manual P 327 119.8911 50 0.37 58
IV.FDMO.HHZ. 2020-12-24T13:46:19.24 3.0 negative manual P -0.57 0
IV.MMO1.EHZ. 2020-12-24T13:46:18.51 3.0 undecidable manual P 0
IV.GIUL.HHZ. 2020-12-24T13:46:17.88 0.3 undecidable manual S 151 57.3981 50 0.53 63
IV.LATB.EHZ. 2020-12-24T13:46:16.96 0.6 undecidable manual S 176 57.3981 50 -0.4 43
IV.MOMA.HNZ. 2020-12-24T13:46:15.12 0.3 undecidable manual P 342 92.5407 50 0.06 65
IV.MCI.EHZ. 2020-12-24T13:46:15.06 0.3 undecidable manual P 128 93.8394 50 -0.2 63
IV.NRCA.HHZ. 2020-12-24T13:46:14.96 0.3 undecidable manual P 10 92.7405 50 -0.13 64
IV.PTQR.HHZ. 2020-12-24T13:46:13.04 0.3 undecidable manual S 88 39.8268 50 0.37 68
IV.GUAR.HHZ. 2020-12-24T13:46:13.11 0.3 undecidable manual S 126 40.4262 50 0.28 69
IV.TOLF.HHN. 2020-12-24T13:46:13.25 0.6 undecidable manual P 275 75.7686 50 0.77 37
IV.LAV9.HNZ. 2020-12-24T13:46:13.97 0.6 undecidable manual S 206 41.0256 50 0.97 36
IV.GIGS.HHN. 2020-12-24T13:46:13.39 0.3 undecidable manual P 47 72.8715 50 1.36 42
IV.T1299.HNN. 2020-12-24T13:46:12.64 0.6 undecidable manual P 23 75.369 50 0.22 44
IV.SRES.HHZ. 2020-12-24T13:46:12.78 0.6 undecidable manual S 307 41.9247 50 -0.44 44
IV.GAVE.EHN. 2020-12-24T13:46:12.22 0.3 undecidable manual P 359 75.6687 50 -0.24 65
IV.T0110.HHZ. 2020-12-24T13:46:12.34 0.6 undecidable manual P 71 74.7696 50 0.03 45
IV.SAMA.EHZ. 2020-12-24T13:46:12.31 0.3 undecidable manual S 227 37.0296 50 0.39 68
IV.BARO.HNZ. 2020-12-24T13:46:12.83 0.6 undecidable manual P 291 75.9684 50 0.32 43
IV.MA9.HHN. 2020-12-24T13:46:11.30 0.6 undecidable manual S 219 34.1436 50 0.15 48
IV.CESX.HHE. 2020-12-24T13:46:11.78 0.3 undecidable manual P 338 71.6727 50 -0.07 68
IV.POFI.HNE. 2020-12-24T13:46:11.65 0.1 undecidable manual P 116 73.2711 50 -0.44 83
IV.VIVA.HHZ. 2020-12-24T13:46:10.83 0.6 undecidable manual S 203 31.3464 50 0.44 45
IV.ARRO.EHZ. 2020-12-24T13:46:10.66 0.3 undecidable manual P 349 64.2912 50 -0.05 69
IV.LRP.EHZ. 2020-12-24T13:46:10.97 0.3 undecidable manual P 126 68.376 50 -0.37 64
IV.LNSS.HNZ. 2020-12-24T13:46:10.66 0.3 undecidable manual P 9 66.4779 50 -0.39 64
IV.FIAM.HHZ. 2020-12-24T13:46:10.76 0.3 undecidable manual S 30 32.9448 50 -0.07 72
IV.RDP.HHZ. 2020-12-24T13:46:10.50 0.3 undecidable manual S 212 32.5452 50 -0.23 70
IV.GIUL.HHZ. 2020-12-24T13:46:09.16 0.1 undecidable manual P 151 57.3981 50 -0.48 85
IV.VVLD.HHZ. 2020-12-24T13:46:09.76 0.3 undecidable manual P 105 60.2952 50 -0.33 66
IT.MMP1.HGZ. 2020-12-24T13:46:09.44 1.0 undecidable manual S 332 29.9478 107 -0.51 22
IV.LATB.EHZ. 2020-12-24T13:46:09.04 0.1 undecidable manual P 176 57.3981 50 -0.61 81
IV.LAV9.HNZ. 2020-12-24T13:46:07.75 1.0 undecidable manual P 206 41.0256 50 0.62 21
IT.RMMM.HGE. 2020-12-24T13:46:07.84 0.3 undecidable manual P 256 39.5271 50 0.95 55
IT.CSO1.HGZ. 2020-12-24T13:46:06.51 0.3 undecidable manual S 54 17.2716 117 0.65 63
IV.SRES.HHZ. 2020-12-24T13:46:06.78 0.1 undecidable manual P 307 41.9247 50 -0.48 87
IV.MA9.HHN. 2020-12-24T13:46:06.78 1.0 undecidable manual P 219 34.1436 50 0.72 20
IV.SAMA.EHZ. 2020-12-24T13:46:06.00 0.3 undecidable manual P 227 37.0296 50 -0.5 66
IV.PTQR.HHZ. 2020-12-24T13:46:06.78 0.1 undecidable manual P 88 39.8268 50 -0.16 94
IV.GUAR.HHZ. 2020-12-24T13:46:06.69 0.1 undecidable manual P 126 40.4262 50 -0.34 90
IV.FIAM.HHZ. 2020-12-24T13:46:05.70 0.1 undecidable manual P 30 32.9448 50 -0.18 95
IV.RDP.HHZ. 2020-12-24T13:46:05.99 0.6 undecidable manual P 212 32.5452 50 0.17 48
IV.VIVA.HHZ. 2020-12-24T13:46:05.83 0.6 undecidable manual P 203 31.3464 50 0.2 47
IV.RMP.HHZ. 2020-12-24T13:46:05.00 0.3 undecidable manual P 219 28.1496 108 -0.03 74
IV.RCAV.EHZ. 2020-12-24T13:46:05.89 0.3 undecidable manual S 173 18.2706 116 -0.27 73
IV.MTCE.HHZ. 2020-12-24T13:46:04.78 0.3 undecidable manual S 276 14.4744 122 -0.25 73
IT.MMP1.HGZ. 2020-12-24T13:46:04.97 0.3 undecidable manual P 332 29.9478 107 -0.4 69
IV.RCAV.EHZ. 2020-12-24T13:46:03.19 0.1 undecidable manual P 173 18.2706 116 0.01 100
IT.CSO1.HGZ. 2020-12-24T13:46:03.53 0.3 undecidable manual P 54 17.2716 117 0.52 67
IV.MTCE.HHZ. 2020-12-24T13:46:02.61 0.1 positive manual P 276 14.4744 122 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:1.8 0.0006473223500000001 1.6864 AML other m 2020-12-24T13:46:05.13
IV.MTCE.HHE. ML:2.2 0.0015190674999999998 1.6032 AML other m 2020-12-24T13:46:05.13
IV.FIAM.HNE. ML:2.6 0.0019070825 0.464 AML other m 2020-12-24T13:46:06.32
IV.RCAV.EHN. ML:2.0 0.00090855965 0.2048 AML other m 2020-12-24T13:46:06.93
IV.RCAV.EHE. ML:2.1 0.0010870995 1.6224 AML other m 2020-12-24T13:46:08.93
IV.PTQR.HHN. ML:2.1 0.00039894160000000003 0.3008 AML other m 2020-12-24T13:46:13.52
IV.PTQR.HHE. ML:2.0 0.0003363489 0.2176 AML other m 2020-12-24T13:46:13.63
IV.FIAM.HNN. ML:1.8 0.00030868525000000003 0.3712 AML other m 2020-12-24T13:46:14.33
IV.FIAM.HHN. ML:1.6 0.00017103915 0.3456 AML other m 2020-12-24T13:46:14.16
IV.SRES.HHN. ML:1.5 0.00009573156 0.5184 AML other m 2020-12-24T13:46:14.55
IV.FIAM.HHE. ML:1.5 0.00012728595 0.48 AML other m 2020-12-24T13:46:14.76
IV.GUAR.HHE. ML:1.8 0.00022603309999999998 0.1984 AML other m 2020-12-24T13:46:15.76
IV.GUAR.HHN. ML:1.8 0.00019605935 0.3008 AML other m 2020-12-24T13:46:17.70
IV.SRES.HHE. ML:1.5 0.00009835656500000001 1.68 AML other m 2020-12-24T13:46:19.12
IV.GIUL.HHN. ML:1.6 0.00008092436499999999 0.3584 AML other m 2020-12-24T13:46:20.19
IV.GIUL.HHE. ML:1.5 0.00007421700000000001 0.416 AML other m 2020-12-24T13:46:23.56
IV.LRP.EHE. ML:1.7 0.00008268431500000001 0.4032 AML other m 2020-12-24T13:46:26.76
IV.LRP.EHN. ML:1.1 0.000019798860000000002 0.3008 AML other m 2020-12-24T13:46:27.81
IV.MCI.EHE. ML:2.1 0.0001281942 0.2368 AML other m 2020-12-24T13:46:35.27
IV.MCI.EHN. ML:1.8 0.00007257809500000001 0.2816 AML other m 2020-12-24T13:46:36.73
IV.FDMO.HHE. ML:1.6 0.000032137 0.2624 AML other m 2020-12-24T13:46:36.88
IV.PE3.EHN. ML:2.5 0.0000927698 0.0768 AML other m 2020-12-24T13:46:38.55
IV.PE3.EHE. ML:2.5 0.00009774150499999999 0.0832 AML other m 2020-12-24T13:46:38.55
IV.FDMO.HHN. ML:1.4 0.000022304445 0.384 AML other m 2020-12-24T13:46:41.16
IV.RIBO.EHE.01 ML:2.4 0.00009469865 1.0048 AML other m 2020-12-24T13:46:47.94
IV.MNTT.EHN. ML:2.3 0.00012656914999999998 0.16 AML other m 2020-12-24T13:46:55.73
IV.TRIV.HNE. ML:1.9 0.00004275252 0.7392 AML other m 2020-12-24T13:46:58.69
IV.TDS.HHN. ML:2.2 0.000011272989 1.5584 AML other m 2020-12-24T13:46:59.95
IV.MNTT.EHE. ML:2.3 0.0001323643 0.2432 AML other m 2020-12-24T13:47:00.68
IV.TRIV.HHE. ML:1.8 0.000036705845 0.8416 AML other m 2020-12-24T13:47:07.67
IV.TDS.HHE. ML:2.2 0.000011786539999999999 0.48 AML other m 2020-12-24T13:48:11.53
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