Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-11-2022 and time 20:12:25 (Italy) in region 5 km SE Stroncone (TR)

A magnitude ML 1.4 earthquake occured in region: 5 km SE Stroncone (TR), on

  • 23-11-2022 19:12:25 (UTC)
  • 23-11-2022 20:12:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4650, 12.6960 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.

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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
Stroncone TR 5 4917 4917
Greccio RI 6 1558 6475
Configni RI 6 633 7108
Cottanello RI 7 563 7671
Colli sul Velino RI 8 533 8204
Contigliano RI 8 3783 11987
Montasola RI 9 395 12382
Vacone RI 10 256 12638
Labro RI 11 374 13012
Terni TR 11 111501 124513
Calvi dell'Umbria TR 13 1856 126369
Morro Reatino RI 13 373 126742
Torri in Sabina RI 13 1256 127998
Montebuono RI 14 883 128881
Casperia RI 14 1246 130127
Rivodutri RI 14 1253 131380
Tarano RI 15 1444 132824
Arrone TR 15 2763 135587
Rieti RI 15 47698 183285
Narni TR 16 19785 203070
Montefranco TR 16 1276 204346
Roccantica RI 16 563 204909
Poggio Bustone RI 16 2055 206964
Monte San Giovanni in Sabina RI 17 714 207678
Cantalice RI 17 2755 210433
Selci RI 17 1106 211539
Cantalupo in Sabina RI 18 1685 213224
Polino TR 18 233 213457
Otricoli TR 18 1869 215326
Collevecchio RI 19 1577 216903
Poggio Catino RI 19 1341 218244
Ferentillo TR 19 1913 220157

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of Terni (111501 inhabitants)
49 Km E of Viterbo (67173 inhabitants)
52 Km N of Guidonia Montecelio (88673 inhabitants)
55 Km S of Foligno (57155 inhabitants)
56 Km N of Tivoli (56533 inhabitants)
59 Km W of L'Aquila (69753 inhabitants)
66 Km N of Roma (2864731 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
85 Km E of Civitavecchia (52991 inhabitants)
86 Km W of Teramo (54892 inhabitants)
86 Km NE of Fiumicino (78395 inhabitants)
87 Km N of Velletri (53303 inhabitants)
90 Km N of Pomezia (62966 inhabitants)
97 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 1.4 2022-11-23
19:12:25		 42.4653 12.6957 10 2024-03-01
15:28:13		 Bollettino Sismico Italiano INGV 113249631
Reviewed
Rev100 		ML 1.4 2022-11-23
19:12:24		 42.4382 12.6947 12 2022-11-23
19:58:59		 Sala Sismica INGV-Roma 112142871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-23 19:12:25 ± 0.05
Latitude 42.4653 ± 0.0027
Longitude 12.6957 ± 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 113249631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 393
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.72935
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 113249631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-06 10:13:51

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 112142871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-23 19:58:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2022-11-23T19:12:49.59 0.6 undecidable manual S 31 80.9523 50 -0.16 43
IV.NRCA.HHZ. 2022-11-23T19:12:42.48 0.3 undecidable manual S 40 53.2023 50 0.12 68
IV.FIAM.HNN. 2022-11-23T19:12:39.32 0.6 undecidable manual S 122 40.9257 50 0.25 45
IV.CSP1.EHZ. 2022-11-23T19:12:39.67 0.6 undecidable manual P 31 80.9523 50 0.18 43
IV.RM33.HNE. 2022-11-23T19:12:39.85 0.6 undecidable manual S 83 42.7239 50 0.3 45
IV.LNSS.HHZ. 2022-11-23T19:12:36.50 0.3 undecidable manual S 61 32.0457 50 -0.2 70
IV.SRES.HHN. 2022-11-23T19:12:36.00 0.6 undecidable manual S 211 29.5482 50 -0.04 48
IV.NRCA.HHZ. 2022-11-23T19:12:35.04 0.3 undecidable manual P 40 53.2023 50 -0.18 68
IV.RM33.HNE. 2022-11-23T19:12:33.64 0.3 undecidable manual P 83 42.7239 50 0.04 71
IV.FIAM.HNN. 2022-11-23T19:12:33.28 0.3 undecidable manual P 122 40.9257 50 -0.04 71
IV.CESX.HHZ. 2022-11-23T19:12:32.78 0.6 undecidable manual S 331 18.1707 119 0.1 49
IV.LNSS.HHZ. 2022-11-23T19:12:31.81 0.1 undecidable manual P 61 32.0457 50 -0.14 94
IV.ARRO.EHZ. 2022-11-23T19:12:31.46 0.6 undecidable manual S 24 13.875 126 0.05 50
IV.SRES.HHN. 2022-11-23T19:12:31.64 0.3 undecidable manual P 211 29.5482 50 0.07 72
IT.MMP1.HGE. 2022-11-23T19:12:30.62 0.3 undecidable manual P 170 24.3534 112 -0.13 72
IV.CESX.HHZ. 2022-11-23T19:12:29.68 0.3 undecidable manual P 331 18.1707 119 0.05 74
IV.ARRO.EHZ. 2022-11-23T19:12:28.89 0.1 undecidable manual P 24 13.875 126 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 0.00008199999999999999 0.96 AML other m 2022-11-23T19:12:36.27
IV.LNSS.HHN. ML:1.2 0.00007335 0.38 AML other m 2022-11-23T19:12:37.88
IV.NRCA.HHN. ML:1.4 0.00006 0.7 AML other m 2022-11-23T19:12:42.46
IV.NRCA.HHE. ML:1.7 0.0001155 0.12 AML other m 2022-11-23T19:12:42.86
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