Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 12-11-2023 and time 07:06:14 (UTC) in region 2 km E Giano dell'Umbria (PG)

A magnitude ML 1.4 earthquake occured in region: 2 km E Giano dell'Umbria (PG), on

  • 12-11-2023 07:06:14 (UTC)
  • 12-11-2023 08:06:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8350, 12.5980 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Giano dell'Umbria PG 2 3846 3846
Castel Ritaldi PG 6 3278 7124
Montefalco PG 8 5679 12803
Massa Martana PG 9 3770 16573
Gualdo Cattaneo PG 9 6155 22728
Bevagna PG 11 5081 27809
Trevi PG 13 8469 36278
Collazzone PG 15 3473 39751
Campello sul Clitunno PG 15 2442 42193
Spoleto PG 16 38218 80411
Foligno PG 16 57155 137566
Todi PG 17 16851 154417
Acquasparta TR 17 4778 159195
Cannara PG 18 4305 163500
Spello PG 19 8645 172145
Fratta Todina PG 19 1839 173984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SW of Foligno (57155 inhabitants)
31 Km N of Terni (111501 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
61 Km NE of Viterbo (67173 inhabitants)
85 Km NW of L'Aquila (69753 inhabitants)
91 Km SE of Arezzo (99543 inhabitants)
93 Km W of Teramo (54892 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 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
Reviewed
Rev100 		ML 1.4 2023-11-12
07:06:14		 42.8352 12.5978 9 2023-11-12
07:13:25		 Sala Sismica INGV-Roma 123056531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-12 07:06:14 ± 0.05
Latitude 42.8352 ± 0.0018
Longitude 12.5978 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123056531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
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) 62
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.68348
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 123056531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-12 07:13:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2023-11-12T07:06:31.13 0.6 undecidable manual S 14 52.7028 50 0.11 45
IV.FDMO.HHZ. 2023-11-12T07:06:29.26 0.6 undecidable manual S 60 45.621 50 0.13 46
IV.NRCA.HHZ. 2023-11-12T07:06:28.28 0.6 undecidable manual S 90 42.0246 50 0.11 46
IV.MML1.EHZ. 2023-11-12T07:06:28.73 0.6 undecidable manual S 44 43.3233 50 0.22 45
IV.LNSS.HHZ. 2023-11-12T07:06:28.81 0.6 undecidable manual S 125 44.3223 50 0.03 47
IV.FIAM.HHZ. 2023-11-12T07:06:27.23 0.6 undecidable manual P 146 75.8685 50 -0.17 43
IV.ATCC.EHZ. 2023-11-12T07:06:26.40 0.6 undecidable manual S 5 38.9277 50 -0.96 35
IV.ARRO.EHZ. 2023-11-12T07:06:25.48 0.6 undecidable manual S 154 31.5462 106 0.12 47
IV.CESI.HHZ. 2023-11-12T07:06:25.11 0.6 undecidable manual S 53 31.2465 106 -0.16 47
IV.ATMI.HHZ. 2023-11-12T07:06:25.42 0.3 positive manual P 334 61.494 50 0.24 65
IV.RM33.EHZ. 2023-11-12T07:06:25.38 1.0 negative manual P 126 61.9935 50 0.12 22
IV.CSP1.EHZ. 2023-11-12T07:06:24.62 0.6 negative manual P 60 56.8986 50 0.14 45
IV.SACS.HHZ. 2023-11-12T07:06:24.42 0.6 positive manual P 272 55.9995 50 0.08 45
IV.CESX.HHZ. 2023-11-12T07:06:23.06 0.6 undecidable manual S 182 25.1526 109 -0.2 47
IV.FOSV.EHZ. 2023-11-12T07:06:23.86 0.3 undecidable manual P 14 52.7028 50 0.03 69
IV.ASSB.HHZ. 2023-11-12T07:06:22.74 0.6 undecidable manual S 12 23.5542 111 0 49
IV.FDMO.HHZ. 2023-11-12T07:06:22.70 0.6 positive manual P 60 45.621 50 -0.04 47
IV.NRCA.HHZ. 2023-11-12T07:06:22.15 0.1 negative manual P 90 42.0246 50 -0.03 94
IV.MML1.EHZ. 2023-11-12T07:06:22.29 0.3 undecidable manual P 44 43.3233 50 -0.09 70
IV.LNSS.HHZ. 2023-11-12T07:06:22.45 0.3 undecidable manual P 125 44.3223 50 -0.09 69
IV.ATCC.EHZ. 2023-11-12T07:06:21.71 1.0 negative manual P 5 38.9277 50 0 24
IV.ARRO.EHZ. 2023-11-12T07:06:20.68 0.3 undecidable manual P 154 31.5462 106 0.12 71
IV.CESI.HHZ. 2023-11-12T07:06:20.46 0.1 undecidable manual P 53 31.2465 106 -0.05 96
IV.ASSB.HHZ. 2023-11-12T07:06:19.21 0.1 negative manual P 12 23.5542 111 0.17 95
IV.CESX.HHZ. 2023-11-12T07:06:19.31 0.6 negative manual P 182 25.1526 109 -0.04 48
IV.GAVE.HNZ. 2023-11-12T07:06:19.95 0.6 undecidable manual P 123 28.8489 107 -0.11 47
IV.MOMA.HHZ. 2023-11-12T07:06:17.31 0.6 undecidable manual S 213 4.0959 155 -0.09 50
IV.MOMA.HHZ. 2023-11-12T07:06:16.02 0.1 undecidable manual P 213 4.0959 155 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.3 0.00011704999999999999 1.36 AML other m 2023-11-12T07:06:23.00
IV.ASSB.HHN. ML:1.3 0.0001235 1.52 AML other m 2023-11-12T07:06:23.82
IV.CESX.HHN. ML:1.5 0.0001795 0.84 AML other m 2023-11-12T07:06:23.30
IV.CESX.HHE. ML:1.5 0.00017099999999999998 0.46 AML other m 2023-11-12T07:06:24.48
IV.CESI.HHN. ML:1.1 0.00006604999999999999 0.52 AML other m 2023-11-12T07:06:25.32
IV.CESI.HHE. ML:1.0 0.00004825 0.38 AML other m 2023-11-12T07:06:26.04
IV.NRCA.HHN. ML:1.7 0.000179 1.88 AML other m 2023-11-12T07:06:28.95
IV.NRCA.HHE. ML:1.5 0.000104 0.16 AML other m 2023-11-12T07:06:29.27
IV.LNSS.HHE. ML:1.6 0.0001231 0.7 AML other m 2023-11-12T07:06:29.50
IV.LNSS.HHN. ML:1.7 0.00014450000000000002 0.8 AML other m 2023-11-12T07:06:30.02
IV.FDMO.HHE. ML:1.1 0.00003855 0.82 AML other m 2023-11-12T07:06:30.62
IV.FDMO.HHN. ML:1.1 0.00003715 0.84 AML other m 2023-11-12T07:06:31.48
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