Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-02-2021 and time 23:13:07 (Italy) in region 2 km SE Vicovaro (RM)

A magnitude ML 1.5 earthquake occured in region: 2 km SE Vicovaro (RM), on

  • 06-02-2021 22:13:07 (UTC)
  • 06-02-2021 23:13:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0050, 12.9130 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Sambuci RM 3 925 4944
Mandela RM 3 917 5861
Saracinesco RM 3 185 6046
Castel Madama RM 5 7399 13445
Ciciliano RM 5 1336 14781
Roccagiovine RM 5 263 15044
San Polo dei Cavalieri RM 6 2992 18036
Anticoli Corrado RM 7 915 18951
Cineto Romano RM 7 601 19552
Roviano RM 7 1351 20903
Licenza RM 8 1011 21914
Marano Equo RM 9 779 22693
Cerreto Laziale RM 9 1118 23811
Marcellina RM 9 7280 31091
Riofreddo RM 10 781 31872
Arsoli RM 10 1586 33458
Percile RM 10 255 33713
San Gregorio da Sassola RM 10 1619 35332
Agosta RM 10 1765 37097
Gerano RM 10 1263 38360
Tivoli RM 10 56533 94893
Rocca Canterano RM 11 196 95089
Casape RM 11 744 95833
Vallinfreda RM 11 283 96116
Pisoniano RM 11 770 96886
Oricola AQ 12 1244 98130
Canterano RM 12 351 98481
Cervara di Roma RM 13 455 98936
Rocca di Botte AQ 13 856 99792
Poli RM 13 2418 102210
Vivaro Romano RM 13 182 102392
Monteflavio RM 14 1348 103740
Rocca Santo Stefano RM 14 975 104715
Palombara Sabina RM 14 13269 117984
Orvinio RI 14 405 118389
San Vito Romano RM 15 3273 121662
Guidonia Montecelio RM 15 88673 210335
Capranica Prenestina RM 16 351 210686
Camerata Nuova RM 16 447 211133
Gallicano nel Lazio RM 17 6334 217467
Bellegra RM 17 2887 220354
Sant'Angelo Romano RM 17 5018 225372
Pereto AQ 17 682 226054
Turania RI 17 241 226295
Moricone RM 17 2650 228945
Montorio Romano RM 17 1984 230929
Carsoli AQ 17 5396 236325
Castel San Pietro Romano RM 18 902 237227
Rocca di Cave RM 18 377 237604
Subiaco RM 18 9074 246678
Pozzaglia Sabina RI 18 360 247038
Palestrina RM 18 21672 268710
Collalto Sabino RI 19 442 269152
Olevano Romano RM 19 6687 275839
Scandriglia RI 19 3108 278947
Roiate RM 19 737 279684
Zagarolo RM 20 17843 297527
Genazzano RM 20 6036 303563

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km E of Tivoli (56533 inhabitants)
15 Km E of Guidonia Montecelio (88673 inhabitants)
37 Km NE of Velletri (53303 inhabitants)
38 Km E of Roma (2864731 inhabitants)
50 Km NE of Pomezia (62966 inhabitants)
51 Km NE of Aprilia (73446 inhabitants)
56 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)
66 Km NE of Anzio (54211 inhabitants)
81 Km SE of Viterbo (67173 inhabitants)
93 Km E of Civitavecchia (52991 inhabitants)
98 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 1.5 2021-02-06
22:13:07		 42.0047 12.9132 9 2021-07-12
16:55:10		 Bollettino Sismico Italiano INGV 90056681
Reviewed
Rev100 		ML 1.8 2021-02-06
22:13:07		 42.0053 12.915 9 2021-02-06
22:23:29		 Sala Sismica INGV-Roma 86892941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-06 22:13:07 ± 0.08
Latitude 42.0047 ± 0.0045
Longitude 12.9132 ± 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 90056681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 499
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69877
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 86892941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-06 22:23:29

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 90056681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-05 02:00:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILN.HHZ. 2021-02-06T22:14:35.33 3.0 undecidable manual Sn 5.69 0
IV.MCEL.HHZ. 2021-02-06T22:14:28.38 3.0 undecidable manual Sn 3.49 0
IV.RESU.HHZ. 2021-02-06T22:14:26.22 3.0 undecidable manual Pg 14.7 0
IV.BOZZ.EHZ. 2021-02-06T22:14:07.73 3.0 undecidable manual Sn -0.43 0
IV.BRES.EHZ. 2021-02-06T22:14:04.55 3.0 positive manual Pg 14.48 0
IV.SLCN.HHZ. 2021-02-06T22:13:41.95 3.0 undecidable manual Pn -0.97 0
IV.LRP.EHZ. 2021-02-06T22:13:29.29 0.6 undecidable manual S 125 68.376 50 0.35 43
IV.VVLD.HHZ. 2021-02-06T22:13:26.94 0.6 undecidable manual S 104 60.495 50 0.1 46
IV.LATB.EHZ. 2021-02-06T22:13:25.84 0.6 undecidable manual S 176 56.7987 50 -0.01 47
IV.SRES.HHN. 2021-02-06T22:13:22.27 0.6 undecidable manual S 308 42.0246 50 0.36 45
IV.T1299.HNN. 2021-02-06T22:13:21.49 1.0 undecidable manual P 23 76.1682 50 0.3 21
IV.CESX.HHE. 2021-02-06T22:13:21.49 0.3 undecidable manual P 338 72.1722 50 0.92 52
IV.TOLF.HHN. 2021-02-06T22:13:21.01 1.0 undecidable manual P 275 75.4689 50 -0.09 22
IV.GUAR.HNN. 2021-02-06T22:13:21.59 0.6 undecidable manual S 125 40.3263 50 0.12 47
IV.SMA1.EHN. 2021-02-06T22:13:21.13 1.0 undecidable manual P 26 77.5668 50 -0.28 21
IV.PTQR.HHZ. 2021-02-06T22:13:21.63 0.6 undecidable manual S 87 40.2264 50 0.2 47
IV.LRP.EHZ. 2021-02-06T22:13:20.46 0.3 undecidable manual P 125 68.376 50 0.47 63
IV.SAMA.EHZ. 2021-02-06T22:13:20.50 0.6 undecidable manual S 227 36.3414 50 0.1 48
IV.POFI.HNE. 2021-02-06T22:13:20.54 0.3 undecidable manual P 116 73.2711 50 -0.21 65
IV.RDP.HHZ. 2021-02-06T22:13:19.62 0.6 undecidable manual S 212 31.8459 50 0.42 45
IV.LNSS.HNZ. 2021-02-06T22:13:19.46 0.3 undecidable manual P 9 67.1772 50 -0.35 64
IV.FIAM.HHZ. 2021-02-06T22:13:18.80 0.6 undecidable manual S 30 33.744 50 -0.89 37
IV.VVLD.HHZ. 2021-02-06T22:13:18.71 0.6 undecidable manual P 104 60.495 50 -0.07 46
MN.AQU.HNN. 2021-02-06T22:13:17.99 0.6 undecidable manual P 46 55.9995 50 -0.1 46
IV.LATB.EHZ. 2021-02-06T22:13:17.70 0.3 undecidable manual P 176 56.7987 50 -0.51 63
IV.GIUL.HHZ. 2021-02-06T22:13:17.61 0.6 undecidable manual P 150 56.9985 50 -0.63 40
IV.SRES.HHN. 2021-02-06T22:13:16.21 0.3 undecidable manual P 308 42.0246 50 0.28 68
IV.PTQR.HHZ. 2021-02-06T22:13:15.53 0.3 undecidable manual P 87 40.2264 50 -0.12 71
IT.CSO1.HGZ. 2021-02-06T22:13:15.00 0.6 undecidable manual S 53 17.9709 117 0.28 47
IV.SAMA.EHZ. 2021-02-06T22:13:15.30 0.3 undecidable manual P 227 36.3414 50 0.24 70
IV.GUAR.HNN. 2021-02-06T22:13:15.94 0.3 undecidable manual P 125 40.3263 50 0.26 69
IV.RDP.HHZ. 2021-02-06T22:13:14.74 0.6 undecidable manual P 212 31.8459 50 0.38 45
IV.RCAV.EHZ. 2021-02-06T22:13:14.16 0.6 undecidable manual S 171 17.6712 117 -0.48 46
IV.MTCE.HHZ. 2021-02-06T22:13:13.49 0.6 undecidable manual S 278 14.2746 122 -0.11 50
IV.RMP.HHN. 2021-02-06T22:13:13.49 0.3 undecidable manual P 219 27.4503 108 -0.05 74
IV.FIAM.HHZ. 2021-02-06T22:13:13.89 0.3 undecidable manual P 30 33.744 50 -0.76 59
IT.CSO1.HGZ. 2021-02-06T22:13:12.21 0.3 undecidable manual P 53 17.9709 117 0.43 68
IV.CERT.HHZ. 2021-02-06T22:13:12.50 0.3 undecidable manual S 137 8.3805 137 0.48 68
IV.RCAV.EHZ. 2021-02-06T22:13:11.17 0.3 undecidable manual P 171 17.6712 117 -0.56 67
IV.CPGN.EHZ. 2021-02-06T22:13:11.16 3.0 undecidable manual P 0.8 0
IV.MTCE.HHZ. 2021-02-06T22:13:10.75 0.3 undecidable manual P 278 14.2746 122 -0.38 71
IV.CERT.HHZ. 2021-02-06T22:13:10.06 0.1 undecidable manual P 137 8.3805 137 -0.16 100
IV.MURB.HHZ. 2021-02-06T22:13:02.30 3.0 positive manual P 0.13 0
IV.CSP1.EHZ. 2021-02-06T22:12:58.61 3.0 undecidable manual P -1.82 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERT.HHE. ML:1.7 0.0008049999999999999 1.3 AML other m 2021-02-06T22:13:12.09
IV.CERT.HNE. ML:2.0 0.0014249999999999998 1.32 AML other m 2021-02-06T22:13:12.08
IV.CERT.HNN. ML:1.9 0.00122 0.44 AML other m 2021-02-06T22:13:13.43
IV.CERT.HHN. ML:1.9 0.00126 0.44 AML other m 2021-02-06T22:13:13.43
IV.MTCE.HHE. ML:1.4 0.000241 0.24 AML other m 2021-02-06T22:13:14.52
IV.MTCE.HHN. ML:1.2 0.00015 0.64 AML other m 2021-02-06T22:13:14.13
IV.GIUL.HHN. ML:1.1 0.0000317603 1.7408 AML other m 2021-02-06T22:13:27.54
IV.LRP.EHE. ML:1.5 0.00005168145 1.9968 AML other m 2021-02-06T22:13:29.49
IV.GIUL.HHE. ML:1.2 0.00003705 1.48 AML other m 2021-02-06T22:13:31.88
IV.LRP.EHN. ML:0.9 0.00001710715 4.0832 AML other m 2021-02-06T22:13:29.36
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