Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-12-2020 and time 00:08:45 (Italy) in region 2 km E Vicovaro (RM)

A magnitude ML 2.0 earthquake occured in region: 2 km E Vicovaro (RM), on

  • 24-12-2020 23:08:45 (UTC)
  • 25-12-2020 00:08:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0080, 12.9200 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
Saracinesco RM 3 185 4204
Mandela RM 3 917 5121
Sambuci RM 3 925 6046
Roccagiovine RM 5 263 6309
Ciciliano RM 5 1336 7645
Castel Madama RM 6 7399 15044
Anticoli Corrado RM 6 915 15959
Cineto Romano RM 6 601 16560
Roviano RM 7 1351 17911
San Polo dei Cavalieri RM 7 2992 20903
Licenza RM 8 1011 21914
Marano Equo RM 8 779 22693
Cerreto Laziale RM 9 1118 23811
Riofreddo RM 9 781 24592
Arsoli RM 9 1586 26178
Marcellina RM 9 7280 33458
Percile RM 10 255 33713
Agosta RM 10 1765 35478
Gerano RM 10 1263 36741
Rocca Canterano RM 10 196 36937
Vallinfreda RM 11 283 37220
San Gregorio da Sassola RM 11 1619 38839
Oricola AQ 11 1244 40083
Tivoli RM 11 56533 96616
Pisoniano RM 12 770 97386
Casape RM 12 744 98130
Canterano RM 12 351 98481
Cervara di Roma RM 12 455 98936
Rocca di Botte AQ 13 856 99792
Vivaro Romano RM 13 182 99974
Poli RM 14 2418 102392
Monteflavio RM 14 1348 103740
Rocca Santo Stefano RM 14 975 104715
Orvinio RI 14 405 105120
Palombara Sabina RM 14 13269 118389
San Vito Romano RM 15 3273 121662
Camerata Nuova RM 16 447 122109
Guidonia Montecelio RM 16 88673 210782
Pereto AQ 16 682 211464
Turania RI 16 241 211705
Capranica Prenestina RM 16 351 212056
Carsoli AQ 17 5396 217452
Bellegra RM 17 2887 220339
Moricone RM 17 2650 222989
Gallicano nel Lazio RM 17 6334 229323
Montorio Romano RM 17 1984 231307
Sant'Angelo Romano RM 17 5018 236325
Pozzaglia Sabina RI 17 360 236685
Subiaco RM 18 9074 245759
Collalto Sabino RI 18 442 246201
Castel San Pietro Romano RM 18 902 247103
Rocca di Cave RM 18 377 247480
Scandriglia RI 19 3108 250588
Olevano Romano RM 19 6687 257275
Palestrina RM 19 21672 278947
Roiate RM 19 737 279684
Genazzano RM 20 6036 285720
Zagarolo RM 20 17843 303563

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)
66 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 2.0 2020-12-24
23:08:45		 42.0083 12.9203 9 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86098311
Reviewed
Rev100 		ML 2.0 2020-12-24
23:08:45		 42.0258 12.9093 9 2020-12-24
23:16:14		 Sala Sismica INGV-Roma 85694551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-24 23:08:45 ± 0.07
Latitude 42.0083 ± 0.0036
Longitude 12.9203 ± 0.0048
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 86098311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 283
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 31
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.12325
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 85694551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-24 23:16:14

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 86098311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-08 15:49:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTGR.HHZ. 2020-12-24T23:10:32.48 3.0 undecidable manual Sn -5.73 0
IV.PCN.EHZ. 2020-12-24T23:10:28.43 3.0 undecidable manual Sg 19.41 0
IV.PIPA.HHZ. 2020-12-24T23:09:39.54 3.0 negative manual Pn -1.23 0
IV.SIRI.HHZ. 2020-12-24T23:09:39.89 3.0 positive manual Pg 12.96 0
IV.CPGN.EHZ. 2020-12-24T23:09:22.91 3.0 undecidable manual Sg 3.82 0
IV.FNVD.HHZ. 2020-12-24T23:09:12.89 3.0 undecidable manual Pn 1.63 0
IV.GAVE.EHN. 2020-12-24T23:09:09.18 0.6 undecidable manual S 358 75.8685 50 0.54 41
IV.SACS.HHE. 2020-12-24T23:09:07.25 0.6 undecidable manual P 319 124.6863 50 0.93 31
IV.LNSS.HNZ. 2020-12-24T23:09:06.98 0.6 undecidable manual S 8 66.6777 50 0.79 37
IV.MF5.EHN. 2020-12-24T23:09:05.50 0.3 undecidable manual P 22 117.2937 50 0.32 59
IV.MGAB.HHZ. 2020-12-24T23:09:05.91 0.3 undecidable manual P 327 120.1908 50 0.28 59
IV.VVLD.HHZ. 2020-12-24T23:09:04.58 0.6 undecidable manual S 105 59.9955 50 0.18 46
MN.AQU.HNN. 2020-12-24T23:09:04.07 0.6 undecidable manual S 46 55.3002 50 0.93 36
IV.GIUL.HHZ. 2020-12-24T23:09:04.45 0.6 undecidable manual S 151 57.0984 50 0.84 37
IV.LATB.EHZ. 2020-12-24T23:09:03.32 0.6 undecidable manual S 176 57.1983 50 -0.32 44
IV.MMO1.EHN. 2020-12-24T23:09:02.73 0.6 undecidable manual P 18 104.3178 50 -0.46 39
IV.TERO.HHN. 2020-12-24T23:09:01.22 1.0 undecidable manual P 39 88.245 50 0.51 20
IV.NRCA.HHZ. 2020-12-24T23:09:01.15 0.3 undecidable manual P 10 92.9403 50 -0.28 63
IV.MCI.EHZ. 2020-12-24T23:09:01.15 0.3 undecidable manual P 128 93.5397 50 -0.38 61
IV.MOMA.HNZ. 2020-12-24T23:09:01.25 0.3 undecidable manual P 342 92.8404 50 -0.16 64
IV.SRES.HHZ. 2020-12-24T23:09:00.26 0.6 undecidable manual S 307 42.2244 50 0.6 42
IV.VCEL.EHZ. 2020-12-24T23:09:00.28 0.6 undecidable manual P 60 86.9463 50 -0.22 43
IV.TOLF.HHN. 2020-12-24T23:08:59.04 0.6 undecidable manual P 275 76.0683 50 0.21 44
IV.GUAR.HHZ. 2020-12-24T23:08:59.13 0.6 undecidable manual S 126 40.1265 50 0.04 49
IV.SMA1.EHN. 2020-12-24T23:08:59.38 0.3 undecidable manual P 26 76.9674 50 0.41 63
IV.PTQR.HHZ. 2020-12-24T23:08:59.27 0.6 undecidable manual S 88 39.627 50 0.32 46
IV.T0110.HHZ. 2020-12-24T23:08:58.77 0.3 undecidable manual P 71 74.5698 50 0.17 67
IV.SAMA.EHZ. 2020-12-24T23:08:58.88 0.3 undecidable manual S 227 37.0296 50 0.61 64
IV.GAVE.EHN. 2020-12-24T23:08:58.43 0.3 undecidable manual P 358 75.8685 50 -0.38 64
IV.T1299.HNN. 2020-12-24T23:08:58.52 0.3 undecidable manual P 23 75.4689 50 -0.22 66
IV.MA9.HHN. 2020-12-24T23:08:57.91 0.6 undecidable manual S 219 34.1436 50 0.41 45
IV.CESX.HHE. 2020-12-24T23:08:57.81 0.6 undecidable manual P 338 71.9724 50 -0.39 43
IV.POFI.HHZ. 2020-12-24T23:08:57.93 0.1 undecidable manual P 116 72.9714 50 -0.42 84
IV.LRP.EHZ. 2020-12-24T23:08:57.22 0.3 undecidable manual P 126 68.0763 50 -0.39 64
IV.RDP.HHE. 2020-12-24T23:08:56.83 0.3 undecidable manual S 212 32.5452 105 -0.2 71
IV.ARRO.EHZ. 2020-12-24T23:08:56.76 0.3 undecidable manual P 349 64.5909 50 -0.31 66
IV.FIAM.HHZ. 2020-12-24T23:08:56.87 0.6 undecidable manual S 29 33.0447 50 -0.34 46
IV.LNSS.HNZ. 2020-12-24T23:08:56.96 0.1 undecidable manual P 8 66.6777 50 -0.43 85
IV.VVLD.HHZ. 2020-12-24T23:08:56.01 0.1 undecidable manual P 105 59.9955 50 -0.35 88
IV.VIVA.HHE. 2020-12-24T23:08:56.52 0.6 undecidable manual S 203 31.1466 105 -0.07 49
MN.AQU.HNN. 2020-12-24T23:08:56.14 0.3 undecidable manual P 46 55.3002 50 0.51 64
IV.RMP.HHZ. 2020-12-24T23:08:55.79 0.6 undecidable manual S 219 28.1496 107 0.22 48
IV.GIUL.HHZ. 2020-12-24T23:08:55.48 0.1 undecidable manual P 151 57.0984 50 -0.43 87
IT.MMP1.HGZ. 2020-12-24T23:08:55.88 0.6 undecidable manual S 332 30.2475 106 -0.39 46
IV.LATB.EHZ. 2020-12-24T23:08:55.43 0.3 undecidable manual P 176 57.1983 50 -0.49 64
IV.ATFO.HHZ. 2020-12-24T23:08:54.01 3.0 undecidable manual P -0.75 0
IV.LAV9.HHZ. 2020-12-24T23:08:54.15 0.3 undecidable manual P 207 40.9257 50 0.73 60
IV.PTQR.HHZ. 2020-12-24T23:08:53.05 0.1 undecidable manual P 88 39.627 50 -0.17 95
IV.SRES.HHZ. 2020-12-24T23:08:53.10 0.1 undecidable manual P 307 42.2244 50 -0.52 87
IV.MURB.HHZ. 2020-12-24T23:08:53.38 3.0 undecidable manual P -0.14 0
IV.VIVA.HHE. 2020-12-24T23:08:52.14 0.6 undecidable manual P 203 31.1466 105 0.29 47
IV.RCAV.EHZ. 2020-12-24T23:08:52.22 0.6 undecidable manual S 173 17.9709 115 -0.06 50
IV.RDP.HHE. 2020-12-24T23:08:52.28 0.3 undecidable manual P 212 32.5452 105 0.18 72
IV.MA9.HHN. 2020-12-24T23:08:52.40 0.3 undecidable manual P 219 34.1436 50 0.03 74
IV.SAMA.EHZ. 2020-12-24T23:08:52.81 0.3 undecidable manual P 227 37.0296 50 0 74
IT.CSO1.HGZ. 2020-12-24T23:08:52.70 0.3 undecidable manual S 53 17.1717 116 0.66 64
IT.RMMM.HGE. 2020-12-24T23:08:52.92 0.6 undecidable manual P 256 39.7269 50 -0.31 46
IV.FIAM.HHZ. 2020-12-24T23:08:52.03 0.1 undecidable manual P 29 33.0447 50 -0.17 96
IV.GUAR.HHZ. 2020-12-24T23:08:52.94 0.3 undecidable manual P 126 40.1265 50 -0.35 68
IV.RMP.HHZ. 2020-12-24T23:08:51.27 0.3 undecidable manual P 219 28.1496 107 0.02 75
IV.MTCE.HHZ. 2020-12-24T23:08:51.12 0.6 undecidable manual S 276 14.7741 120 -0.17 49
IT.MMP1.HGZ. 2020-12-24T23:08:51.20 0.3 undecidable manual P 332 30.2475 106 -0.46 68
IT.CSO1.HGZ. 2020-12-24T23:08:49.67 0.3 undecidable manual P 53 17.1717 116 0.45 69
IV.RCAV.EHZ. 2020-12-24T23:08:49.66 0.1 undecidable manual P 173 17.9709 115 0.3 96
IV.MTCE.HHZ. 2020-12-24T23:08:48.90 0.1 positive manual P 276 14.7741 120 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHE. ML:2.2 0.00158 0.26 AML other m 2020-12-24T23:08:51.46
IV.MTCE.HHN. ML:2.1 0.001265 0.56 AML other m 2020-12-24T23:08:51.48
IV.FIAM.HHN. ML:1.9 0.0003605 0.4 AML other m 2020-12-24T23:08:58.52
IV.RMP.HHN. ML:2.5 0.00156 0.28 AML other m 2020-12-24T23:08:59.23
IV.PTQR.HHE. ML:2.1 0.0004904999999999999 0.44 AML other m 2020-12-24T23:08:59.79
IV.PTQR.HHN. ML:2.0 0.0003795 0.68 AML other m 2020-12-24T23:08:59.81
IV.RMP.HHE. ML:2.5 0.0015899999999999998 1.5 AML other m 2020-12-24T23:08:59.24
IV.GUAR.HHN. ML:2.1 0.00043500000000000006 0.56 AML other m 2020-12-24T23:09:00.84
IV.SRES.HHN. ML:1.7 0.0001805 0.46 AML other m 2020-12-24T23:09:00.68
IV.GUAR.HHE. ML:2.2 0.00049 1.42 AML other m 2020-12-24T23:09:01.01
IV.FIAM.HHE. ML:1.8 0.000273 1.06 AML other m 2020-12-24T23:09:02.82
IV.LAV9.HNN. ML:2.3 0.0007405 0.44 AML other m 2020-12-24T23:09:03.44
IV.LAV9.HHN. ML:2.4 0.0007664999999999999 0.42 AML other m 2020-12-24T23:09:03.44
IV.SRES.HHE. ML:1.7 0.00018099999999999998 0.46 AML other m 2020-12-24T23:09:03.32
IV.ATFO.HHN. ML:2.0 0.0000497 0.48 AML other m 2020-12-24T23:09:03.55
IV.LATB.EHN. ML:1.3 0.000039 0.96 AML other m 2020-12-24T23:09:04.67
IV.VVLD.HHN. ML:1.9 0.00017999999999999998 0.96 AML other m 2020-12-24T23:09:05.45
IV.LATB.EHE. ML:1.5 0.00006525 0.84 AML other m 2020-12-24T23:09:06.31
IV.LAV9.HNE. ML:2.4 0.0008374999999999999 0.44 AML other m 2020-12-24T23:09:07.31
IV.GIUL.HHE. ML:1.6 0.00009515 0.5 AML other m 2020-12-24T23:09:08.36
IV.LAV9.HHE. ML:2.4 0.000834 0.34 AML other m 2020-12-24T23:09:09.88
IV.GIUL.HHN. ML:1.8 0.000133 0.6 AML other m 2020-12-24T23:09:10.96
IV.VVLD.HHE. ML:1.8 0.0001465 0.58 AML other m 2020-12-24T23:09:10.93
IV.LRP.EHN. ML:1.4 0.00004705 0.86 AML other m 2020-12-24T23:09:11.69
IV.LRP.EHE. ML:1.8 0.0001145 0.28 AML other m 2020-12-24T23:09:13.24
IV.POFI.HHN. ML:1.6 0.00006205 0.74 AML other m 2020-12-24T23:09:16.46
IV.POFI.HHE. ML:1.6 0.00006615 1.32 AML other m 2020-12-24T23:09:17.11
IV.MCI.EHN. ML:2.0 0.00011449999999999999 0.82 AML other m 2020-12-24T23:09:18.35
IV.MCI.EHE. ML:2.2 0.0001715 0.28 AML other m 2020-12-24T23:09:19.78
IV.VCEL.EHE. ML:2.2 0.0001915 0.58 AML other m 2020-12-24T23:09:21.56
IV.VCEL.EHN. ML:2.1 0.000146 0.46 AML other m 2020-12-24T23:09:25.06
IV.ATFO.HHE. ML:2.0 0.000055499999999999994 1.58 AML other m 2020-12-24T23:09:30.17
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