Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-01-2021 and time 11:50:54 (Italy) in region 4 km NE Configni (RI)

A magnitude ML 2.1 earthquake occured in region: 4 km NE Configni (RI), on

  • 17-01-2021 10:50:54 (UTC)
  • 17-01-2021 11:50:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4480, 12.6880 at 10 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
Configni RI 5 633 633
Cottanello RI 5 563 1196
Stroncone TR 6 4917 6113
Greccio RI 7 1558 7671
Montasola RI 7 395 8066
Contigliano RI 8 3783 11849
Vacone RI 8 256 12105
Colli sul Velino RI 10 533 12638
Calvi dell'Umbria TR 11 1856 14494
Torri in Sabina RI 11 1256 15750
Montebuono RI 12 883 16633
Casperia RI 12 1246 17879
Tarano RI 13 1444 19323
Labro RI 13 374 19697
Terni TR 13 111501 131198
Roccantica RI 14 563 131761
Morro Reatino RI 15 373 132134
Rieti RI 15 47698 179832
Selci RI 15 1106 180938
Monte San Giovanni in Sabina RI 15 714 181652
Cantalupo in Sabina RI 16 1685 183337
Rivodutri RI 16 1253 184590
Narni TR 16 19785 204375
Arrone TR 17 2763 207138
Collevecchio RI 17 1577 208715
Poggio Catino RI 17 1341 210056
Otricoli TR 17 1869 211925
Poggio Bustone RI 17 2055 213980
Montefranco TR 18 1276 215256
Cantalice RI 18 2755 218011
Forano RI 18 3179 221190
Stimigliano RI 19 2328 223518
Magliano Sabina RI 19 3774 227292

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Terni (111501 inhabitants)
48 Km E of Viterbo (67173 inhabitants)
50 Km N of Guidonia Montecelio (88673 inhabitants)
55 Km N of Tivoli (56533 inhabitants)
57 Km S of Foligno (57155 inhabitants)
59 Km W of L'Aquila (69753 inhabitants)
64 Km N of Roma (2864731 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km E of Civitavecchia (52991 inhabitants)
84 Km NE of Fiumicino (78395 inhabitants)
85 Km N of Velletri (53303 inhabitants)
87 Km W of Teramo (54892 inhabitants)
88 Km N of Pomezia (62966 inhabitants)
95 Km N of Aprilia (73446 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 2.1 2021-01-17
10:50:54		 42.4478 12.6878 10 2021-07-12
16:54:56		 Bollettino Sismico Italiano INGV 86375681
Reviewed
Rev100 		ML 2.1 2021-01-17
10:50:54		 42.4508 12.6928 9 2021-01-17
11:01:06		 Sala Sismica INGV-Roma 86326871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 10:50:54 ± 0.07
Latitude 42.4478 ± 0.0027
Longitude 12.6878 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86375681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 314
Semi-minor axis of confidence ellipse (meter) 260
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 48
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.93170
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 86375681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-19 10:20:02

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 59
Type of magnitude ML
Reference to an origin 86326871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 11:01:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHZ. 2021-01-17T10:52:52.37 3.0 undecidable manual Sg 17.799999 0
ST.CARE.EHZ. 2021-01-17T10:52:42.23 3.0 undecidable manual Sn -5.92 0
IV.SARZ.HHZ. 2021-01-17T10:52:38.16 3.0 undecidable manual Sn 3.59 0
ST.PANI.EHZ. 2021-01-17T10:52:35.31 3.0 undecidable manual Sn -0.7 0
IV.MILZ.HHZ. 2021-01-17T10:52:07.59 3.0 undecidable manual Pn 3.81 0
SI.BOSI.HHZ. 2021-01-17T10:51:55.61 3.0 positive manual Pn -1.95 0
NI.VINO.HHZ. 2021-01-17T10:51:54.33 3.0 negative manual Pn 1.48 0
IV.SBPO.HNZ. 2021-01-17T10:51:45.56 3.0 negative manual Pg 5.24 0
IV.FIR.HHZ. 2021-01-17T10:51:44.42 3.0 undecidable manual Sn -2.05 0
IV.CMPR.HHZ. 2021-01-17T10:51:44.69 3.0 undecidable manual Pg 4.42 0
IV.AGLI.HHZ. 2021-01-17T10:51:42.80 3.0 negative manual Pn 1.47 0
IV.SGO.HHZ. 2021-01-17T10:51:41.96 3.0 negative manual Pg 4.09 0
IV.SAMA.EHZ. 2021-01-17T10:51:19.35 3.0 undecidable manual S -0.09 0
IV.TERO.HHZ. 2021-01-17T10:51:18.46 0.3 undecidable manual S 75 77.367 50 0.54 60
IV.FDMO.HHZ. 2021-01-17T10:51:17.03 0.6 undecidable manual S 26 72.9714 50 0.29 43
IV.MTRA.EHZ. 2021-01-17T10:51:15.16 0.3 undecidable manual S 59 67.2771 50 -0.06 68
IV.MC2.EHZ. 2021-01-17T10:51:15.14 0.3 undecidable manual S 38 65.6898 50 0.34 65
IV.GIUL.HHZ. 2021-01-17T10:51:15.88 3.0 undecidable manual P 1.76 0
IV.CESI.HHZ. 2021-01-17T10:51:14.80 0.6 undecidable manual S 16 64.2912 50 0.38 43
IV.CAMP.HHZ. 2021-01-17T10:51:13.99 0.6 undecidable manual S 80 59.7957 50 0.76 38
IV.SMA1.EHZ. 2021-01-17T10:51:12.94 0.6 undecidable manual S 69 56.6988 50 0.55 42
IV.EL6.EHZ. 2021-01-17T10:51:11.90 0.3 undecidable manual P 19 103.4187 50 -0.14 63
IV.NRCA.HHZ. 2021-01-17T10:51:11.85 0.6 undecidable manual S 39 55.1004 50 -0.14 46
IV.FOSV.EHZ. 2021-01-17T10:51:10.34 0.3 undecidable manual P 4 94.1391 50 -0.27 62
IV.MTCE.HHZ. 2021-01-17T10:51:10.42 0.6 undecidable manual S 175 47.4192 50 0.51 43
IV.MF5.EHZ. 2021-01-17T10:51:09.92 0.3 undecidable manual P 46 86.8464 50 0.43 61
IV.RM33.EHZ. 2021-01-17T10:51:09.20 0.6 undecidable manual S 81 43.623 50 0.29 46
IV.MURB.HHZ. 2021-01-17T10:51:09.96 0.3 undecidable manual P 352 91.3419 50 -0.23 63
IV.SACS.HHZ. 2021-01-17T10:51:08.49 0.3 undecidable manual P 305 77.5668 50 0.43 62
IT.GNU.HGE. 2021-01-17T10:51:08.17 0.3 undecidable manual S 346 40.626 50 0.06 72
IV.MOMA.HHZ. 2021-01-17T10:51:08.24 0.6 undecidable manual S 346 40.626 50 0.12 47
IV.CSP1.EHZ. 2021-01-17T10:51:08.68 0.3 undecidable manual P 30 82.9503 50 -0.2 64
IV.FDMO.HHZ. 2021-01-17T10:51:07.05 0.3 undecidable manual P 26 72.9714 50 -0.3 64
IV.TERO.HHZ. 2021-01-17T10:51:07.54 0.3 undecidable manual P 75 77.367 50 -0.49 61
IV.FIAM.HHZ. 2021-01-17T10:51:07.86 0.6 undecidable manual S 119 40.4262 50 -0.21 46
IV.FEMA.HNE. 2021-01-17T10:51:06.49 0.3 undecidable manual P 27 64.1913 50 0.49 63
IV.MGAB.HHZ. 2021-01-17T10:51:06.95 0.6 undecidable manual P 318 69.6747 50 0.1 45
IV.LNSS.HHZ. 2021-01-17T10:51:06.02 0.6 undecidable manual S 59 33.5442 50 -0.21 47
IV.MTRA.EHZ. 2021-01-17T10:51:06.24 0.1 undecidable manual P 59 67.2771 50 -0.23 88
IV.MC2.EHZ. 2021-01-17T10:51:06.14 0.3 undecidable manual P 38 65.6898 50 -0.09 68
IT.MTCL.HGE. 2021-01-17T10:51:06.19 0.3 undecidable manual P 23 65.6898 50 -0.04 69
IV.MMO1.EHZ. 2021-01-17T10:51:06.97 0.3 undecidable manual P 46 72.2721 50 -0.28 65
IV.CESI.HHZ. 2021-01-17T10:51:05.80 0.1 undecidable manual P 16 64.2912 50 -0.21 89
IV.ASSB.HHZ. 2021-01-17T10:51:05.98 0.1 undecidable manual P 358 65.9895 50 -0.3 87
IV.BARO.EHE. 2021-01-17T10:51:05.27 0.3 undecidable manual P 247 56.6988 50 0.42 65
IV.CAMP.HHZ. 2021-01-17T10:51:05.02 0.3 undecidable manual P 80 59.7957 50 -0.3 66
IV.SRES.HHZ. 2021-01-17T10:51:04.82 0.6 undecidable manual S 212 27.5502 50 0.19 48
IV.NRCA.HHZ. 2021-01-17T10:51:04.30 0.3 undecidable manual P 39 55.1004 50 -0.3 66
IV.SMA1.EHZ. 2021-01-17T10:51:04.85 0.1 positive manual P 69 56.6988 50 0.01 94
IV.MTCE.HHZ. 2021-01-17T10:51:03.03 0.3 undecidable manual P 175 47.4192 50 -0.38 66
IT.MMP1.HGZ. 2021-01-17T10:51:03.20 0.6 undecidable manual S 167 22.5552 113 0.14 49
IV.MOMA.HHZ. 2021-01-17T10:51:02.22 0.1 negative manual P 346 40.626 50 -0.15 94
IV.FIAM.HHZ. 2021-01-17T10:51:02.08 0.3 undecidable manual P 119 40.4262 50 -0.26 69
IT.GNU.HGE. 2021-01-17T10:51:02.30 0.1 undecidable manual P 346 40.626 50 -0.07 96
IV.CESX.HHZ. 2021-01-17T10:51:02.27 0.6 undecidable manual S 335 19.6692 116 0.15 49
IV.RM33.EHZ. 2021-01-17T10:51:02.73 0.1 positive manual P 81 43.623 50 -0.1 94
IV.ARRO.EHZ. 2021-01-17T10:51:01.10 0.3 undecidable manual S 24 15.873 122 0.12 74
IV.LNSS.HHZ. 2021-01-17T10:51:01.11 0.1 positive manual P 59 33.5442 50 -0.17 95
IV.SRES.HHZ. 2021-01-17T10:51:00.26 0.3 undecidable manual P 212 27.5502 50 -0.09 73
IT.MMP1.HGZ. 2021-01-17T10:50:59.53 0.3 undecidable manual P 167 22.5552 113 0.09 74
IV.CESX.HHZ. 2021-01-17T10:50:58.94 0.1 undecidable manual P 335 19.6692 116 0.04 100
IV.ARRO.EHZ. 2021-01-17T10:50:58.53 0.1 positive manual P 24 15.873 122 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:2.2 0.0014299999999999998 1.2 AML other m 2021-01-17T10:51:01.36
IV.ARRO.EHN. ML:2.4 0.002065 0.22 AML other m 2021-01-17T10:51:01.52
IV.CESX.HHN. ML:2.0 0.000825 0.38 AML other m 2021-01-17T10:51:02.66
IV.CESX.HHE. ML:1.9 0.0006314999999999999 0.46 AML other m 2021-01-17T10:51:04.72
IV.LNSS.HHN. ML:2.6 0.00172 0.7 AML other m 2021-01-17T10:51:06.64
IV.LNSS.HNN. ML:2.6 0.0016200000000000001 0.14 AML other m 2021-01-17T10:51:06.58
IV.SRES.HHE. ML:1.9 0.000407 0.4 AML other m 2021-01-17T10:51:06.64
IV.LNSS.HHE. ML:2.5 0.00149 0.62 AML other m 2021-01-17T10:51:07.05
IV.LNSS.HNE. ML:2.5 0.0013414999999999998 0.42 AML other m 2021-01-17T10:51:07.05
IV.SRES.HHN. ML:1.8 0.000302 0.9 AML other m 2021-01-17T10:51:07.50
IV.FIAM.HHE. ML:1.4 0.000086483025 1.0144 AML other m 2021-01-17T10:51:08.68
IV.FIAM.HNN. ML:1.8 0.00020226539999999998 0.544 AML other m 2021-01-17T10:51:09.45
IV.MOMA.HHE. ML:2.4 0.0007675 0.44 AML other m 2021-01-17T10:51:09.81
IV.MOMA.HNE. ML:2.4 0.0007740000000000001 0.44 AML other m 2021-01-17T10:51:09.82
IV.MOMA.HHN. ML:2.3 0.0006779999999999999 0.18 AML other m 2021-01-17T10:51:09.69
IV.MOMA.HNN. ML:2.3 0.0006515 0.18 AML other m 2021-01-17T10:51:09.70
IV.RM33.HNN. ML:2.0 0.00030600000000000007 0.24 AML other m 2021-01-17T10:51:09.83
IV.RM33.EHN. ML:2.0 0.000313 0.24 AML other m 2021-01-17T10:51:09.84
IV.RM33.HNE. ML:2.2 0.000504 0.56 AML other m 2021-01-17T10:51:10.04
IV.RM33.EHE. ML:2.2 0.00047450000000000004 0.6 AML other m 2021-01-17T10:51:10.34
IV.FIAM.HHN. ML:1.5 0.00009765 0.46 AML other m 2021-01-17T10:51:10.29
IV.MTCE.HHE. ML:1.7 0.00013997235 0.1984 AML other m 2021-01-17T10:51:11.65
IV.MTCE.HHN. ML:1.7 0.00014350000000000002 1.26 AML other m 2021-01-17T10:51:11.91
IV.NRCA.HHE. ML:2.3 0.000506 0.36 AML other m 2021-01-17T10:51:12.60
IV.SMA1.EHE. ML:2.2 0.00038849999999999996 1.76 AML other m 2021-01-17T10:51:14.91
IV.NRCA.HNN. ML:2.3 0.0004415 0.14 AML other m 2021-01-17T10:51:14.10
IV.NRCA.HHN. ML:2.3 0.000437 0.12 AML other m 2021-01-17T10:51:14.10
IV.NRCA.HNE. ML:2.3 0.00047250000000000005 0.8 AML other m 2021-01-17T10:51:14.37
IV.CESI.HHN. ML:2.4 0.0005105000000000001 0.26 AML other m 2021-01-17T10:51:15.39
IV.CESI.HNN. ML:2.4 0.0004832862 0.2752 AML other m 2021-01-17T10:51:15.40
IV.CESI.HHE. ML:2.3 0.000345 0.24 AML other m 2021-01-17T10:51:15.54
IV.CESI.HNE. ML:2.2 0.0002962399 0.256 AML other m 2021-01-17T10:51:15.55
IV.SMA1.EHN. ML:2.0 0.0002125 0.34 AML other m 2021-01-17T10:51:15.81
IV.CAMP.HHE. ML:1.5 0.0000639 1.22 AML other m 2021-01-17T10:51:15.26
IV.MTRA.EHN. ML:2.1 0.0002145 1.54 AML other m 2021-01-17T10:51:15.92
IV.MTRA.HNE. ML:2.2 0.00030166884999999996 0.352 AML other m 2021-01-17T10:51:16.52
IV.MTRA.EHE. ML:2.2 0.0002985 0.36 AML other m 2021-01-17T10:51:16.35
IV.MTRA.HNN. ML:2.1 0.00019950289999999998 0.1664 AML other m 2021-01-17T10:51:16.56
IV.CAMP.HHN. ML:1.7 0.00009675000000000001 0.34 AML other m 2021-01-17T10:51:16.76
IV.FDMO.HHN. ML:2.2 0.000268 0.5 AML other m 2021-01-17T10:51:17.57
IV.FDMO.HHE. ML:2.4 0.00039549999999999996 0.24 AML other m 2021-01-17T10:51:18.17
IV.TERO.HHE. ML:1.8 0.00009915 0.58 AML other m 2021-01-17T10:51:18.69
IV.TERO.HHN. ML:1.9 0.0001197 0.14 AML other m 2021-01-17T10:51:18.64
IV.TERO.HNE. ML:2.0 0.00013206455 0.1344 AML other m 2021-01-17T10:51:18.92
IV.ASSB.HHN. ML:1.7 0.00010055 0.36 AML other m 2021-01-17T10:51:19.77
IV.ASSB.HHE. ML:1.8 0.000112 1.54 AML other m 2021-01-17T10:51:20.80
IV.CSP1.EHN. ML:2.5 0.0004075 0.46 AML other m 2021-01-17T10:51:21.59
IV.SACS.HHE. ML:1.8 0.000097986515 0.5184 AML other m 2021-01-17T10:51:21.52
IV.SACS.HHN. ML:1.9 0.00010722356499999999 1.0816 AML other m 2021-01-17T10:51:21.83
IV.TERO.HNN. ML:2.2 0.00020425425 0.5856 AML other m 2021-01-17T10:51:22.19
IV.CSP1.EHE. ML:2.4 0.0003585 0.4 AML other m 2021-01-17T10:51:22.34
IV.MF5.EHE. ML:2.0 0.0001175 0.48 AML other m 2021-01-17T10:51:23.04
IV.FOSV.EHN. ML:1.7 0.000058800000000000006 0.58 AML other m 2021-01-17T10:51:25.24
IV.MF5.EHN. ML:2.1 0.000157 0.38 AML other m 2021-01-17T10:51:25.99
IV.MURB.HHN. ML:2.3 0.0002175 0.3 AML other m 2021-01-17T10:51:26.23
IV.MURB.HHE. ML:2.3 0.00020800000000000001 0.58 AML other m 2021-01-17T10:51:26.75
IV.EL6.EHN. ML:2.2 0.00013900000000000002 0.2 AML other m 2021-01-17T10:51:27.48
IV.FOSV.EHE. ML:1.7 0.00005145 1.58 AML other m 2021-01-17T10:51:27.05
IV.EL6.EHE. ML:2.1 0.0001315 1.48 AML other m 2021-01-17T10:51:29.89
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