Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-12-2020 and time 04:35:45 (UTC) in region 2 km E Vicovaro (RM)

A magnitude ML 2.2 earthquake occured in region: 2 km E Vicovaro (RM), on

  • 27-12-2020 04:35:45 (UTC)
  • 27-12-2020 05:35:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0110, 12.9160 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 5 7399 13708
Ciciliano RM 6 1336 15044
Cineto Romano RM 6 601 15645
San Polo dei Cavalieri RM 6 2992 18637
Anticoli Corrado RM 6 915 19552
Roviano RM 7 1351 20903
Licenza RM 7 1011 21914
Marano Equo RM 9 779 22693
Riofreddo RM 9 781 23474
Marcellina RM 9 7280 30754
Arsoli RM 9 1586 32340
Cerreto Laziale RM 9 1118 33458
Percile RM 9 255 33713
Agosta RM 10 1765 35478
Vallinfreda RM 11 283 35761
Gerano RM 11 1263 37024
San Gregorio da Sassola RM 11 1619 38643
Rocca Canterano RM 11 196 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
Orvinio RI 14 405 101727
Poli RM 14 2418 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
Moricone RM 17 2650 214355
Capranica Prenestina RM 17 351 214706
Carsoli AQ 17 5396 220102
Montorio Romano RM 17 1984 222086
Sant'Angelo Romano RM 17 5018 227104
Pozzaglia Sabina RI 17 360 227464
Bellegra RM 17 2887 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
Scandriglia RI 18 3108 250211
Rocca di Cave RM 18 377 250588
Palestrina RM 19 21672 272260
Olevano Romano RM 19 6687 278947
Roiate RM 20 737 279684
Nerola RM 20 1926 281610

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 2.2 2020-12-27
04:35:45		 42.011 12.9163 9 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 85998731
Reviewed
Rev100 		ML 2.2 2020-12-27
04:35:45		 42.0115 12.9173 9 2020-12-27
05:00:38		 Sala Sismica INGV-Roma 85748751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-27 04:35:45 ± 0.05
Latitude 42.0110 ± 0.0018
Longitude 12.9163 ± 0.0036
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 85998731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 246
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 27
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 68
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.12950
Epicentral distance of station farthest from the epicenter (degree) 1.10077
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 85998731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-03 16:54:39

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 85748751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-27 05:00:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHN.01 2020-12-27T04:36:09.30 0.6 undecidable manual S 137 77.7666 50 0.52 41
IV.BARO.EHE. 2020-12-27T04:36:08.90 0.6 undecidable manual S 291 75.8685 50 0.62 40
IV.GAVE.EHZ. 2020-12-27T04:36:08.60 0.6 undecidable manual S 359 75.5688 50 0.4 42
IV.POFI.HHE. 2020-12-27T04:36:07.20 0.3 undecidable manual S 116 73.371 50 -0.4 64
IV.CESX.HHZ. 2020-12-27T04:36:07.80 0.6 undecidable manual S 338 71.5728 50 0.67 39
IV.CSP1.EHZ. 2020-12-27T04:36:06.04 0.6 undecidable manual P 11 122.1888 50 0.39 39
IV.LRP.EHZ. 2020-12-27T04:36:06.90 0.3 undecidable manual S 126 68.5758 50 0.58 61
IV.ARRO.EHZ. 2020-12-27T04:36:05.50 0.6 undecidable manual S 349 64.1913 50 0.33 44
IV.MGAB.HNE. 2020-12-27T04:36:05.26 0.6 undecidable manual P 327 119.6913 50 0 42
IV.FDMO.HHZ. 2020-12-27T04:36:04.37 0.6 undecidable manual P 7 114.5964 50 -0.11 42
IV.VVLD.HHZ. 2020-12-27T04:36:04.20 0.3 undecidable manual S 105 60.3951 50 0.05 70
IV.GIUL.HHZ. 2020-12-27T04:36:03.40 0.3 undecidable manual S 151 57.498 50 0.03 71
IV.LATB.EHZ. 2020-12-27T04:36:03.50 0.3 undecidable manual S 176 57.498 50 0.13 70
IV.CESI.HHZ. 2020-12-27T04:36:03.70 0.3 undecidable manual P 360 110.3118 50 -0.11 63
MN.AQU.HHE. 2020-12-27T04:36:03.30 0.3 undecidable manual S 46 55.3002 50 0.51 64
IV.MC2.EHZ. 2020-12-27T04:36:02.45 0.6 undecidable manual P 12 102.3198 50 -0.14 43
IV.MCI.EHZ. 2020-12-27T04:36:01.08 0.3 undecidable manual P 128 93.9393 50 -0.22 64
IV.MOMA.HHZ. 2020-12-27T04:36:00.78 0.3 undecidable manual P 342 92.4408 50 -0.28 63
IV.NRCA.HNE. 2020-12-27T04:36:00.85 0.6 undecidable manual P 10 92.6406 50 -0.25 42
IV.TERO.HHZ. 2020-12-27T04:36:00.67 0.6 undecidable manual P 39 88.245 50 0.26 43
IV.LAV9.HHZ. 2020-12-27T04:35:59.30 0.6 undecidable manual S 206 41.1255 50 0.31 46
IV.INTR.HHE. 2020-12-27T04:35:59.17 0.6 undecidable manual P 90 81.4518 50 -0.19 44
IV.PTQR.HHZ. 2020-12-27T04:35:59.10 0.3 undecidable manual S 88 39.9267 50 0.42 68
IV.SMA1.EHN. 2020-12-27T04:35:59.07 0.3 undecidable manual P 26 76.8675 50 0.42 63
IV.SRES.HHZ. 2020-12-27T04:35:59.40 0.6 undecidable manual S 307 41.8248 50 0.22 47
IV.LIK.EHN.01 2020-12-27T04:35:59.10 0.3 undecidable manual P 137 77.7666 50 0.3 65
IV.GAVE.EHZ. 2020-12-27T04:35:58.17 0.3 undecidable manual P 359 75.5688 50 -0.29 65
IV.BARO.EHE. 2020-12-27T04:35:58.15 0.6 undecidable manual P 291 75.8685 50 -0.36 43
IV.GUAR.HHZ. 2020-12-27T04:35:58.80 0.3 undecidable manual S 126 40.5261 50 -0.05 73
IV.T0110.HHZ. 2020-12-27T04:35:58.25 0.3 undecidable manual P 71 74.7696 50 -0.09 68
IT.RMMM.HGE. 2020-12-27T04:35:58.80 0.3 undecidable manual S 256 39.4272 50 0.24 70
IV.GIGS.HHN. 2020-12-27T04:35:57.95 0.6 undecidable manual P 47 72.8715 50 -0.1 45
IV.POFI.HHE. 2020-12-27T04:35:57.72 0.3 undecidable manual P 116 73.371 50 -0.4 64
IV.MA9.HHN. 2020-12-27T04:35:57.32 0.6 undecidable manual S 219 34.1436 50 0.18 48
IV.LRP.EHZ. 2020-12-27T04:35:57.02 0.3 undecidable manual P 126 68.5758 50 -0.36 65
IV.SAMA.EHZ. 2020-12-27T04:35:57.80 0.3 undecidable manual S 226 37.0296 50 -0.1 73
IV.CESX.HHZ. 2020-12-27T04:35:57.53 0.6 undecidable manual P 338 71.5728 50 -0.32 43
IV.VIVA.HHZ. 2020-12-27T04:35:56.90 0.6 undecidable manual S 203 31.3464 50 0.51 45
IV.ARRO.EHZ. 2020-12-27T04:35:56.77 0.3 undecidable manual P 349 64.1913 50 0.06 70
IV.RDP.HHZ. 2020-12-27T04:35:56.90 0.3 undecidable manual S 212 32.6451 50 0.18 72
IV.LNSS.HHE. 2020-12-27T04:35:56.85 0.3 undecidable manual P 9 66.4779 50 -0.2 67
IV.FIAM.HHZ. 2020-12-27T04:35:56.60 0.3 undecidable manual S 30 32.9448 50 -0.22 71
IV.VVLD.HHZ. 2020-12-27T04:35:55.76 0.1 undecidable manual P 105 60.3951 50 -0.36 88
IT.MMP1.HGZ. 2020-12-27T04:35:55.80 0.3 undecidable manual S 332 29.8479 50 -0.18 72
IV.GIUL.HHZ. 2020-12-27T04:35:55.30 0.1 undecidable manual P 151 57.498 50 -0.37 88
IV.LATB.EHZ. 2020-12-27T04:35:55.24 0.3 undecidable manual P 176 57.498 50 -0.43 65
IV.RMP.HHZ. 2020-12-27T04:35:55.30 0.3 undecidable manual S 218 28.1496 108 -0.14 73
MN.AQU.HHE. 2020-12-27T04:35:55.10 0.3 undecidable manual P 46 55.3002 50 -0.24 68
IV.LAV9.HHZ. 2020-12-27T04:35:53.25 0.6 undecidable manual P 206 41.1255 50 0.1 48
IV.PTQR.HHZ. 2020-12-27T04:35:52.82 0.1 undecidable manual P 88 39.9267 50 -0.14 96
IT.RMMM.HGE. 2020-12-27T04:35:52.91 0.3 undecidable manual P 256 39.4272 50 0.01 74
IV.MA9.HHN. 2020-12-27T04:35:52.00 0.3 undecidable manual P 219 34.1436 50 -0.08 73
IV.SAMA.EHZ. 2020-12-27T04:35:52.20 0.1 undecidable manual P 226 37.0296 50 -0.32 93
IV.RCAV.EHZ. 2020-12-27T04:35:52.30 0.3 undecidable manual S 173 18.2706 117 0.02 76
IV.GUAR.HHZ. 2020-12-27T04:35:52.84 0.3 undecidable manual P 126 40.5261 50 -0.22 70
IV.SRES.HHZ. 2020-12-27T04:35:52.82 0.1 undecidable manual P 307 41.8248 50 -0.43 90
IV.ROM9.HNE. 2020-12-27T04:35:52.96 0.3 undecidable manual P 239 38.8278 50 0.17 71
IT.CSO1.HGZ. 2020-12-27T04:35:52.40 0.3 undecidable manual S 55 17.2716 118 0.44 70
IT.RMVT.HGN. 2020-12-27T04:35:52.59 0.3 undecidable manual P 260 36.0417 50 0.23 71
IV.FIAM.HHZ. 2020-12-27T04:35:51.75 0.1 undecidable manual P 30 32.9448 50 -0.14 97
IV.MTCE.HHZ. 2020-12-27T04:35:51.00 0.3 undecidable manual S 275 14.3745 123 -0.1 76
IT.MMP1.HGZ. 2020-12-27T04:35:51.02 0.3 undecidable manual P 332 29.8479 50 -0.39 69
IV.VIVA.HHZ. 2020-12-27T04:35:51.62 0.3 undecidable manual P 203 31.3464 50 -0.02 75
IV.RDP.HHZ. 2020-12-27T04:35:51.92 0.1 undecidable manual P 212 32.6451 50 0.08 98
IV.RMP.HHZ. 2020-12-27T04:35:51.12 0.1 undecidable manual P 218 28.1496 108 0.03 100
IT.CSO1.HGZ. 2020-12-27T04:35:49.47 0.1 undecidable manual P 55 17.2716 118 0.38 95
IV.RCAV.EHZ. 2020-12-27T04:35:49.52 0.3 undecidable manual P 173 18.2706 117 0.25 73
IV.MTCE.HHZ. 2020-12-27T04:35:48.80 0.1 undecidable manual P 275 14.3745 123 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTCE.HHN. ML:2.2 0.0016461484999999998 0.1792 AML other m 2020-12-27T04:35:51.19
IV.MTCE.HHE. ML:2.4 0.0024640135 0.1792 AML other m 2020-12-27T04:35:51.44
IV.RCAV.EHN. ML:2.2 0.0012568394999999998 0.2784 AML other m 2020-12-27T04:35:55.25
IV.RCAV.EHE. ML:2.2 0.0012906455000000002 0.4992 AML other m 2020-12-27T04:35:56.64
IV.FIAM.HHE. ML:1.8 0.00025106725000000003 0.3584 AML other m 2020-12-27T04:35:57.08
IV.RMP.HHE. ML:2.6 0.0021344050000000002 1.6192 AML other m 2020-12-27T04:35:57.97
IV.RMP.HHN. ML:2.8 0.0034651155 0.3008 AML other m 2020-12-27T04:35:59.19
IV.FIAM.HHN. ML:1.9 0.0003797991 0.48 AML other m 2020-12-27T04:35:59.47
IV.GUAR.HHE. ML:2.2 0.0006330883 0.2176 AML other m 2020-12-27T04:36:00.37
IV.SRES.HHE. ML:1.7 0.00017710139 0.2208 AML other m 2020-12-27T04:36:01.31
IV.SRES.HHN. ML:1.8 0.00021265789999999998 0.32 AML other m 2020-12-27T04:36:01.36
IV.RDP.HHE. ML:2.4 0.0011587105 0.4608 AML other m 2020-12-27T04:36:02.27
IV.LAV9.HHN. ML:2.5 0.0011551258 0.1568 AML other m 2020-12-27T04:36:02.28
IV.LAV9.HNN. ML:2.5 0.0010775804999999998 0.16 AML other m 2020-12-27T04:36:02.28
IV.GUAR.HHN. ML:2.2 0.00058547055 0.4608 AML other m 2020-12-27T04:36:02.19
IV.FIAM.HNN. ML:2.3 0.0008283934 0.7104 AML other m 2020-12-27T04:36:02.78
IV.LAV9.HHE. ML:2.5 0.0010573758 0.1792 AML other m 2020-12-27T04:36:02.45
IV.LAV9.HNE. ML:2.5 0.0010219620999999998 0.1888 AML other m 2020-12-27T04:36:02.45
IV.RDP.HHN. ML:2.6 0.0018213094999999999 0.4992 AML other m 2020-12-27T04:36:03.61
IV.LATB.EHN. ML:1.1 0.00002313952 0.1824 AML other m 2020-12-27T04:36:04.99
IV.GIUL.HHN. ML:1.8 0.00014706655 1.7184 AML other m 2020-12-27T04:36:05.96
IV.ARRO.EHN. ML:2.1 0.0002381782 0.1792 AML other m 2020-12-27T04:36:08.52
IV.CESX.HHE. ML:2.0 0.0001459153 1.5584 AML other m 2020-12-27T04:36:09.16
IV.GIUL.HHE. ML:1.7 0.000111368815 1.5232 AML other m 2020-12-27T04:36:10.92
IV.LRP.EHN. ML:1.4 0.000043243035 0.1984 AML other m 2020-12-27T04:36:10.59
IV.GAVE.EHE. ML:2.2 0.00026250665000000003 0.24 AML other m 2020-12-27T04:36:11.16
IV.ARRO.EHE. ML:2.0 0.00018290712 0.5216 AML other m 2020-12-27T04:36:12.07
IV.GAVE.HNE. ML:2.3 0.00027380789999999997 0.1728 AML other m 2020-12-27T04:36:12.06
IV.GAVE.EHN. ML:2.3 0.00029690325000000003 0.2176 AML other m 2020-12-27T04:36:12.66
IV.CESX.HHN. ML:2.0 0.00015648915 0.3424 AML other m 2020-12-27T04:36:12.96
IV.MOMA.HNE. ML:2.2 0.0001960566 0.432 AML other m 2020-12-27T04:36:14.33
IV.LRP.EHE. ML:2.1 0.00020377265 0.3424 AML other m 2020-12-27T04:36:14.24
IV.T0110.HHN. ML:2.2 0.00024739692 0.6816 AML other m 2020-12-27T04:36:14.88
IV.MOMA.HHN. ML:2.2 0.000178 0.38 AML other m 2020-12-27T04:36:14.38
IV.MOMA.HHE. ML:2.3 0.00022000000000000003 0.58 AML other m 2020-12-27T04:36:14.32
IV.MOMA.HNN. ML:2.3 0.00022806325 0.4 AML other m 2020-12-27T04:36:15.33
IV.VVLD.HHE. ML:2.0 0.00018840995 0.4416 AML other m 2020-12-27T04:36:16.24
IV.VVLD.HNE. ML:2.0 0.00020426895000000002 0.4224 AML other m 2020-12-27T04:36:16.25
IV.VVLD.HHN. ML:2.0 0.00021846029999999999 0.6016 AML other m 2020-12-27T04:36:16.26
IV.VVLD.HNN. ML:2.0 0.0001952044 0.6112 AML other m 2020-12-27T04:36:16.27
IV.T0110.HHE. ML:2.2 0.000215703495 1.5392 AML other m 2020-12-27T04:36:18.97
IV.MCI.EHN. ML:2.3 0.00019929025 0.3008 AML other m 2020-12-27T04:36:20.84
IV.MCI.EHE. ML:2.3 0.00022459235 0.5184 AML other m 2020-12-27T04:36:21.35
IV.CESI.HHE. ML:2.3 0.0001624998 0.32 AML other m 2020-12-27T04:36:21.37
IV.CESI.HHN. ML:2.3 0.00015552355000000002 1.4592 AML other m 2020-12-27T04:36:21.78
IV.FDMO.HHE. ML:2.0 0.00008629929999999999 0.4192 AML other m 2020-12-27T04:36:23.90
IV.FDMO.HHN. ML:2.0 0.000073526835 0.5184 AML other m 2020-12-27T04:36:24.66
IV.CESI.HNN. ML:2.4 0.00021251470000000001 0.4928 AML other m 2020-12-27T04:36:28.26
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