Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 22-11-2022 and time 16:00:15 (Italy) in region 4 km E Stroncone (TR)

A magnitude ML 1.8 earthquake occured in region: 4 km E Stroncone (TR), on

  • 22-11-2022 15:00:15 (UTC)
  • 22-11-2022 16:00:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 12.7060 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
Stroncone TR 4 4917 4917
Colli sul Velino RI 6 533 5450
Greccio RI 6 1558 7008
Configni RI 9 633 7641
Labro RI 9 374 8015
Cottanello RI 9 563 8578
Terni TR 10 111501 120079
Contigliano RI 10 3783 123862
Morro Reatino RI 11 373 124235
Montasola RI 11 395 124630
Arrone TR 12 2763 127393
Vacone RI 13 256 127649
Rivodutri RI 13 1253 128902
Montefranco TR 13 1276 130178
Calvi dell'Umbria TR 15 1856 132034
Poggio Bustone RI 15 2055 134089
Rieti RI 16 47698 181787
Polino TR 16 233 182020
Torri in Sabina RI 16 1256 183276
Narni TR 16 19785 203061
Montebuono RI 16 883 203944
Cantalice RI 16 2755 206699
Ferentillo TR 17 1913 208612
Casperia RI 17 1246 209858
Tarano RI 17 1444 211302
Roccantica RI 18 563 211865
Monte San Giovanni in Sabina RI 19 714 212579
San Gemini TR 19 5018 217597
Selci RI 20 1106 218703
Otricoli TR 20 1869 220572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km SE of Terni (111501 inhabitants)
50 Km E of Viterbo (67173 inhabitants)
52 Km S of Foligno (57155 inhabitants)
54 Km N of Guidonia Montecelio (88673 inhabitants)
59 Km N of Tivoli (56533 inhabitants)
59 Km W of L'Aquila (69753 inhabitants)
69 Km N of Roma (2864731 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
84 Km W of Teramo (54892 inhabitants)
87 Km NE of Civitavecchia (52991 inhabitants)
88 Km NE of Fiumicino (78395 inhabitants)
89 Km N of Velletri (53303 inhabitants)
92 Km N of Pomezia (62966 inhabitants)
99 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 1.8 2022-11-22
15:00:15		 42.4872 12.7063 10 2024-03-01
15:28:17		 Bollettino Sismico Italiano INGV 113825961
Reviewed
Rev100 		ML 1.8 2022-11-22
15:00:15		 42.4837 12.6988 11 2022-11-22
15:13:38		 Sala Sismica INGV-Roma 112096781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-22 15:00:15 ± 0.07
Latitude 42.4872 ± 0.0027
Longitude 12.7063 ± 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 113825961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.10162
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 113825961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-27 08:10:27

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 112096781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-22 15:13:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2022-11-22T15:00:35.09 0.6 undecidable manual S 356 61.7937 50 0.04 47
IV.MC2.EHZ. 2022-11-22T15:00:35.39 0.3 undecidable manual S 40 61.3941 50 0.44 65
IV.CESI.HHZ. 2022-11-22T15:00:34.67 0.3 undecidable manual S 16 59.6958 50 0.17 69
IV.SMA1.EHZ. 2022-11-22T15:00:33.26 0.3 undecidable manual S 73 53.8017 50 0.33 68
IV.NRCA.HHZ. 2022-11-22T15:00:31.89 0.3 undecidable manual S 41 50.8158 50 -0.25 69
IV.FIAM.HHZ. 2022-11-22T15:00:29.67 0.3 undecidable manual S 126 41.5251 50 0.02 74
IV.MOMA.HHE. 2022-11-22T15:00:28.43 0.3 undecidable manual S 342 36.8298 50 0.02 75
IV.MGAB.HHZ. 2022-11-22T15:00:28.30 0.3 undecidable manual P 314 67.6767 50 0.41 65
IT.GNU.HGE. 2022-11-22T15:00:28.51 0.3 undecidable manual S 342 36.8298 50 0.1 73
IV.MC2.EHZ. 2022-11-22T15:00:27.04 0.6 undecidable manual P 40 61.3941 50 0.12 47
IV.SRES.HHN. 2022-11-22T15:00:27.32 0.6 undecidable manual S 210 32.0457 50 0.19 48
IV.CESI.HHZ. 2022-11-22T15:00:26.37 0.3 undecidable manual P 16 59.6958 50 -0.29 68
IV.LNSS.HHZ. 2022-11-22T15:00:26.32 0.3 undecidable manual S 65 30.1476 50 -0.3 71
IV.ASSB.HHZ. 2022-11-22T15:00:26.67 0.3 undecidable manual P 356 61.7937 50 -0.31 67
IV.NRCA.HHZ. 2022-11-22T15:00:25.22 0.3 undecidable manual P 41 50.8158 50 -0.08 72
IV.SMA1.EHZ. 2022-11-22T15:00:25.84 0.3 undecidable manual P 73 53.8017 50 0.08 71
IT.MMP1.HGZ. 2022-11-22T15:00:25.42 0.3 undecidable manual S 173 26.6511 50 -0.25 72
IV.MOMA.HHE. 2022-11-22T15:00:23.02 0.3 undecidable manual P 342 36.8298 50 -0.13 73
IV.FIAM.HHZ. 2022-11-22T15:00:23.80 0.3 undecidable manual P 126 41.5251 50 -0.06 73
IV.CESX.HHZ. 2022-11-22T15:00:22.56 0.3 undecidable manual S 324 16.6722 122 -0.19 74
IT.GNU.HGE. 2022-11-22T15:00:22.87 0.3 undecidable manual P 342 36.8298 50 -0.27 71
IV.SRES.HHN. 2022-11-22T15:00:22.88 0.6 undecidable manual P 210 32.0457 50 0.47 46
IV.LNSS.HHZ. 2022-11-22T15:00:21.93 0.3 undecidable manual P 65 30.1476 50 -0.18 73
IT.MMP1.HGZ. 2022-11-22T15:00:21.55 0.3 undecidable manual P 173 26.6511 50 -0.01 76
IV.ARRO.EHZ. 2022-11-22T15:00:21.35 0.3 undecidable manual S 25 11.2776 132 0.08 77
IV.ARRO.EHZ. 2022-11-22T15:00:19.23 0.1 undecidable manual P 25 11.2776 132 0.21 100
IV.CESX.HHZ. 2022-11-22T15:00:19.85 0.3 undecidable manual P 324 16.6722 122 -0.03 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.8 0.0008387749499999999 0.3584 AML other m 2022-11-22T15:00:21.80
IV.ARRO.EHE. ML:1.8 0.00080226955 0.8832 AML other m 2022-11-22T15:00:21.52
IV.CESX.HHN. ML:1.6 0.00039032055 0.2688 AML other m 2022-11-22T15:00:22.85
IV.CESX.HHE. ML:1.6 0.0003265 1.58 AML other m 2022-11-22T15:00:24.01
IV.LNSS.HHN. ML:1.7 0.00025684712999999996 0.1792 AML other m 2022-11-22T15:00:27.24
IV.LNSS.HNN. ML:1.7 0.0002331031 0.5504 AML other m 2022-11-22T15:00:27.58
IV.LNSS.HHE. ML:1.7 0.00025958875 0.1024 AML other m 2022-11-22T15:00:27.81
IV.LNSS.HNE. ML:1.7 0.00023512905 0.1152 AML other m 2022-11-22T15:00:27.80
IV.FIAM.HHN. ML:1.4 0.000082897975 0.8992 AML other m 2022-11-22T15:00:30.98
IV.FIAM.HHE. ML:1.5 0.00009857143999999999 0.6432 AML other m 2022-11-22T15:00:30.28
IV.NRCA.HHN. ML:1.6 0.00011320352 0.1024 AML other m 2022-11-22T15:00:32.36
IV.NRCA.HNE. ML:1.8 0.00017289779999999998 0.3808 AML other m 2022-11-22T15:00:32.97
IV.NRCA.HHE. ML:1.8 0.00017599739000000002 0.128 AML other m 2022-11-22T15:00:33.65
IV.CESI.HNN. ML:2.0 0.00019989485 0.6048 AML other m 2022-11-22T15:00:35.37
IV.CESI.HHN. ML:2.0 0.00020862985000000002 0.32 AML other m 2022-11-22T15:00:35.37
IV.CESI.HHE. ML:1.8 0.0001408224 0.8832 AML other m 2022-11-22T15:00:35.51
IV.MC2.EHN. ML:2.1 0.00023950900000000003 1.7824 AML other m 2022-11-22T15:00:36.09
IV.MC2.EHE. ML:1.9 0.000175458365 0.2048 AML other m 2022-11-22T15:00:37.29
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