Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 11-02-2022 and time 09:36:55 (Italy) in region 5 km W Montefranco (TR)

A magnitude ML 2.0 earthquake occured in region: 5 km W Montefranco (TR), on

  • 11-02-2022 08:36:55 (UTC)
  • 11-02-2022 09:36:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5870, 12.7110 at 8 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
Montefranco TR 5 1276 1276
Arrone TR 5 2763 4039
Terni TR 6 111501 115540
Ferentillo TR 8 1913 117453
Labro RI 10 374 117827
Stroncone TR 11 4917 122744
Polino TR 11 233 122977
Colli sul Velino RI 11 533 123510
Morro Reatino RI 12 373 123883
San Gemini TR 14 5018 128901
Rivodutri RI 14 1253 130154
Greccio RI 16 1558 131712
Spoleto PG 17 38218 169930
Poggio Bustone RI 17 2055 171985
Scheggino PG 17 461 172446
Narni TR 18 19785 192231
Acquasparta TR 18 4778 197009
Configni RI 19 633 197642
Sant'Anatolia di Narco PG 19 564 198206
Montecastrilli TR 20 5022 203228
Contigliano RI 20 3783 207011
Cottanello RI 20 563 207574

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of Terni (111501 inhabitants)
41 Km S of Foligno (57155 inhabitants)
53 Km E of Viterbo (67173 inhabitants)
62 Km W of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
65 Km N of Guidonia Montecelio (88673 inhabitants)
70 Km N of Tivoli (56533 inhabitants)
79 Km N of Roma (2864731 inhabitants)
82 Km W of Teramo (54892 inhabitants)
93 Km NE of Civitavecchia (52991 inhabitants)
99 Km NE of Fiumicino (78395 inhabitants)
100 Km N of Velletri (53303 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 2022-02-11
08:36:55		 42.5867 12.7108 8 2022-07-08
12:33:35		 Bollettino Sismico Italiano INGV 101843121
Reviewed
Rev100 		ML 2.1 2022-02-11
08:36:55		 42.581 12.7008 9 2022-02-11
08:48:33		 Sala Sismica INGV-Roma 100865171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-11 08:36:55 ± 0.05
Latitude 42.5867 ± 0.0027
Longitude 12.7108 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101843121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
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) 80
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.62143
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 101843121
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-11 07:33:33

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 100865171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-11 08:48:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-02-11T08:37:17.73 0.6 undecidable manual S 35 68.9754 50 0.33 42
IV.MML1.EHZ. 2022-02-11T08:37:16.06 0.6 undecidable manual S 20 62.1933 50 0.47 41
IV.MMO1.EHZ. 2022-02-11T08:37:15.56 0.6 undecidable manual S 55 60.9945 50 0.28 43
IV.FDMO.HHN. 2022-02-11T08:37:14.83 0.3 undecidable manual S 31 58.497 50 0.2 66
IV.CAMP.HHE. 2022-02-11T08:37:13.85 0.6 undecidable manual S 95 57.2982 50 -0.45 42
IV.SMA1.EHZ. 2022-02-11T08:37:13.02 0.6 undecidable manual S 84 51.2154 50 0.35 43
IV.MC2.EHZ. 2022-02-11T08:37:13.12 0.6 undecidable manual S 47 53.0025 50 -0.04 46
IV.CESI.HHZ. 2022-02-11T08:37:12.03 0.3 undecidable manual S 19 49.0176 50 -0.05 69
IV.ASSB.HHZ. 2022-02-11T08:37:12.82 0.6 undecidable manual S 355 50.7159 50 0.27 44
IV.NRCA.HHZ. 2022-02-11T08:37:10.75 0.6 undecidable manual S 50 42.8238 50 0.33 44
IV.SRES.HHN. 2022-02-11T08:37:10.50 0.6 undecidable manual S 203 42.1245 50 0.25 45
IV.RM33.EHZ. 2022-02-11T08:37:10.33 0.6 undecidable manual S 102 42.0246 50 0.11 46
IV.CSP1.EHZ. 2022-02-11T08:37:08.55 0.3 undecidable manual P 35 68.9754 50 0.22 65
IV.MGAB.HHZ. 2022-02-11T08:37:07.30 0.1 negative manual P 307 60.6948 50 0.23 87
IV.MML1.EHZ. 2022-02-11T08:37:07.07 0.1 undecidable manual P 20 62.1933 50 -0.22 87
IV.MMO1.EHZ. 2022-02-11T08:37:07.00 0.3 undecidable manual P 55 60.9945 50 -0.11 67
7F.SIB1.EHN. 2022-02-11T08:37:06.21 0.3 undecidable manual P 53 56.8986 50 -0.27 65
IV.FDMO.HHN. 2022-02-11T08:37:06.56 0.3 undecidable manual P 31 58.497 50 -0.17 66
7F.SIB3.EHZ. 2022-02-11T08:37:06.41 0.3 undecidable manual P 55 55.6998 50 0.12 67
IV.CAMP.HHE. 2022-02-11T08:37:06.56 0.1 undecidable manual P 95 57.2982 50 0.02 92
IV.FIAM.HHE. 2022-02-11T08:37:05.35 0.3 undecidable manual P 137 48.5181 50 0.16 68
IT.GNU.HGZ. 2022-02-11T08:37:05.69 0.6 undecidable manual S 335 26.6511 107 0.04 48
IV.ASSB.HHZ. 2022-02-11T08:37:05.21 0.1 positive manual P 355 50.7159 50 -0.32 87
IV.LNSS.HHZ. 2022-02-11T08:37:05.91 0.3 undecidable manual S 86 26.9508 107 0.17 70
IV.MOMA.HHZ. 2022-02-11T08:37:05.73 0.3 undecidable manual S 335 26.6511 107 0.08 72
IV.CESI.HHZ. 2022-02-11T08:37:05.00 0.3 undecidable manual P 19 49.0176 50 -0.26 66
IV.MC2.EHZ. 2022-02-11T08:37:05.75 0.1 positive manual P 47 53.0025 50 -0.13 90
IV.SMA1.EHZ. 2022-02-11T08:37:05.63 0.1 undecidable manual P 84 51.2154 50 0.03 92
IV.RM33.EHZ. 2022-02-11T08:37:04.06 0.1 negative manual P 102 42.0246 50 -0.13 92
IV.SRES.HHN. 2022-02-11T08:37:04.13 0.3 undecidable manual P 203 42.1245 50 -0.07 70
IV.GAVE.EHZ. 2022-02-11T08:37:03.39 0.3 undecidable manual S 52 18.9699 114 0.24 70
IV.NRCA.HHZ. 2022-02-11T08:37:03.92 0.1 undecidable manual P 50 42.8238 50 -0.38 87
IT.GNU.HGZ. 2022-02-11T08:37:01.39 0.1 undecidable manual P 335 26.6511 107 -0.16 94
IV.LNSS.HHZ. 2022-02-11T08:37:01.57 0.1 negative manual P 86 26.9508 107 -0.03 97
IV.MOMA.HHZ. 2022-02-11T08:37:01.27 0.1 positive manual P 335 26.6511 107 -0.28 92
IV.CESX.HHZ. 2022-02-11T08:37:00.75 0.3 undecidable manual S 283 10.3785 129 0.16 73
IV.ARRO.EHZ. 2022-02-11T08:36:59.36 0.6 undecidable manual S 101 4.5954 152 0.1 49
IV.GAVE.EHZ. 2022-02-11T08:36:59.95 0.1 negative manual P 52 18.9699 114 -0.16 95
IV.CESX.HHZ. 2022-02-11T08:36:58.88 0.1 undecidable manual P 283 10.3785 129 0.25 95
IV.ARRO.EHZ. 2022-02-11T08:36:57.81 0.1 positive manual P 101 4.5954 152 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHE. ML:2.3 0.0029500000000000004 0.36 AML other m 2022-02-11T08:37:01.90
IV.CESX.HHN. ML:2.3 0.0025549999999999995 1.8 AML other m 2022-02-11T08:37:01.90
IV.GAVE.EHN. ML:2.2 0.0012213421499999999 0.2816 AML other m 2022-02-11T08:37:06.77
IV.GAVE.HNN. ML:1.7 0.00038276995000000003 0.4224 AML other m 2022-02-11T08:37:05.87
IV.GAVE.HNE. ML:2.1 0.0011394999999999999 0.5 AML other m 2022-02-11T08:37:05.26
IV.GAVE.EHE. ML:2.2 0.0012015924999999998 0.3456 AML other m 2022-02-11T08:37:06.12
IV.MOMA.HNE. ML:2.2 0.000822 0.24 AML other m 2022-02-11T08:37:07.80
IV.MOMA.HHE. ML:2.2 0.0008005 0.24 AML other m 2022-02-11T08:37:07.80
IV.MOMA.HHN. ML:2.2 0.0008335 0.24 AML other m 2022-02-11T08:37:08.10
IV.MOMA.HNN. ML:2.2 0.0007985 0.24 AML other m 2022-02-11T08:37:08.11
IV.LNSS.HHN. ML:2.2 0.00079827695 0.5184 AML other m 2022-02-11T08:37:08.49
IV.LNSS.HHE. ML:2.0 0.00049894675 0.1984 AML other m 2022-02-11T08:37:09.15
IV.RM33.EHE. ML:1.8 0.00018582015000000003 0.2752 AML other m 2022-02-11T08:37:13.36
IV.CESI.HHN. ML:2.2 0.00040800000000000005 0.28 AML other m 2022-02-11T08:37:13.31
IV.CESI.HHE. ML:2.1 0.00033724054999999996 0.3008 AML other m 2022-02-11T08:37:12.40
IV.NRCA.HHE. ML:1.7 0.00016593395 0.1408 AML other m 2022-02-11T08:37:14.54
IV.SMA1.EHE. ML:1.9 0.00021102025000000003 0.32 AML other m 2022-02-11T08:37:17.08
IV.MMO1.EHN. ML:1.8 0.00012205115 0.4608 AML other m 2022-02-11T08:37:20.62
IV.MC2.EHN. ML:2.3 0.00048407770000000004 0.32 AML other m 2022-02-11T08:37:16.67
IV.SMA1.EHN. ML:2.0 0.00024890299999999997 0.3392 AML other m 2022-02-11T08:37:19.55
IV.MML1.EHN. ML:1.8 0.0001365 1.08 AML other m 2022-02-11T08:37:19.11
IV.CSP1.EHE. ML:2.3 0.0003674288999999999 0.3008 AML other m 2022-02-11T08:37:19.73
IV.MMO1.EHE. ML:1.7 0.00010933680999999999 0.3968 AML other m 2022-02-11T08:37:21.54
IV.MC2.EHE. ML:2.1 0.00027782554999999996 0.1984 AML other m 2022-02-11T08:37:16.79
IV.MGAB.HHE. ML:2.0 0.00020500000000000002 0.26 AML other m 2022-02-11T08:37:21.44
IV.MGAB.HHN. ML:2.0 0.000184246 0.2432 AML other m 2022-02-11T08:37:21.43
IV.CSP1.EHN. ML:2.2 0.00029174195000000004 0.4032 AML other m 2022-02-11T08:37:23.88
IV.ARRO.EHN. ML:0.0 0.0084288605 0.2752 AML other m 2022-02-11T08:36:58.95
IV.ARRO.EHE. ML:0.0 0.005054691500000001 0.1856 AML other m 2022-02-11T08:36:58.93
IV.LNSS.HNE. ML:1.9 0.000481989 0.1984 AML other m 2022-02-11T08:37:09.16
IV.LNSS.HNN. ML:2.1 0.0007338354499999999 0.5184 AML other m 2022-02-11T08:37:08.24
IV.NRCA.HNE. ML:1.8 0.0001830292 0.16 AML other m 2022-02-11T08:37:14.54
IV.RM33.HNE. ML:1.8 0.0002255744 0.3008 AML other m 2022-02-11T08:37:13.50
IV.ASSB.HHN. ML:1.9 0.00018542369999999998 0.2368 AML other m 2022-02-11T08:37:15.10
IV.MML1.HNN. ML:1.9 0.00015741525 0.2368 AML other m 2022-02-11T08:37:18.99
IV.MGAB.HNE. ML:2.0 0.00018817365000000003 0.6144 AML other m 2022-02-11T08:37:19.44
IV.MGAB.HNN. ML:2.0 0.00019498664999999997 0.2496 AML other m 2022-02-11T08:37:21.44
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