Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 24-11-2023 and time 17:10:51 (Italy) in region 9 km NW Sellano (PG)

A magnitude ML 0.4 earthquake occured in region: 9 km NW Sellano (PG), on

  • 24-11-2023 16:10:51 (UTC)
  • 24-11-2023 17:10:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9540, 12.8620 at 11 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
Sellano PG 9 1079 1079
Monte Cavallo MC 12 145 1224
Trevi PG 13 8469 9693
Foligno PG 13 57155 66848
Valtopina PG 15 1398 68246
Serravalle di Chienti MC 15 1070 69316
Cerreto di Spoleto PG 16 1075 70391
Spello PG 16 8645 79036
Campello sul Clitunno PG 16 2442 81478
Preci PG 17 724 82202
Montefalco PG 18 5679 87881
Pieve Torina MC 18 1458 89339
Nocera Umbra PG 19 5839 95178
Visso MC 19 1107 96285

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
47 Km NE of Terni (111501 inhabitants)
76 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
86 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
98 Km SE of Arezzo (99543 inhabitants)
100 Km S of Fano (60888 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 0.4 2023-11-24
16:10:51		 42.9543 12.8625 11 2023-11-24
16:15:32		 Sala Sismica INGV-Roma 123399721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-24 16:10:51 ± 0.09
Latitude 42.9543 ± 0.0027
Longitude 12.8625 ± 0.0086
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123399721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 670
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
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) 0.26350
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 123399721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-24 16:15:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.HNN. 2023-11-24T16:11:01.13 0.6 undecidable manual S 175 29.2485 90 -0.22 47
IV.NRCA.HHZ. 2023-11-24T16:11:00.44 0.6 undecidable manual S 123 24.4533 90 0.35 47
IV.MML1.EHZ. 2023-11-24T16:10:58.59 0.3 undecidable manual S 27 19.7691 90 -0.24 75
IV.ASSB.HHZ. 2023-11-24T16:10:58.55 0.3 undecidable manual S 301 19.1697 90 -0.14 76
IV.FDMO.HHZ. 2023-11-24T16:10:58.52 0.6 undecidable manual S 63 20.3685 90 -0.48 47
IT.MTCL.HGZ. 2023-11-24T16:10:56.71 0.6 undecidable manual S 68 11.9769 108 -0.04 51
IV.NRCA.HHZ. 2023-11-24T16:10:56.29 0.3 negative manual P 123 24.4533 90 0 75
IV.GAVE.HNN. 2023-11-24T16:10:56.65 0.1 undecidable manual P 175 29.2485 90 -0.37 92
IV.CESI.HHZ. 2023-11-24T16:10:55.37 0.3 undecidable manual S 31 6.5934 139 -0.2 76
IV.MML1.EHZ. 2023-11-24T16:10:55.54 0.1 undecidable manual P 27 19.7691 90 -0.02 100
IV.ASSB.HHZ. 2023-11-24T16:10:55.63 0.3 undecidable manual P 301 19.1697 90 0.15 73
IV.FDMO.HHZ. 2023-11-24T16:10:55.69 1.0 undecidable manual P 63 20.3685 90 0.03 25
IT.MTCL.HGZ. 2023-11-24T16:10:54.69 0.1 undecidable manual P 68 11.9769 108 0.33 95
IV.CESI.HHZ. 2023-11-24T16:10:53.92 0.1 undecidable manual P 31 6.5934 139 0.24 97
IV.ARVD.HHZ. 2023-11-24T16:10:53.96 3.0 negative manual P -0.05 0
IV.FOSV.EHZ. 2023-11-24T16:10:53.62 3.0 positive manual P 0.12 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.3 0.000014516513 0.1152 AML other m 2023-11-24T16:11:00.14
IV.MML1.EHN. ML:0.3 0.000016123407999999997 0.1408 AML other m 2023-11-24T16:10:59.20
IV.ASSB.HHE. ML:0.7 0.000035414705 0.128 AML other m 2023-11-24T16:10:58.59
IV.ASSB.HHN. ML:0.3 0.00001496494195 0.0768 AML other m 2023-11-24T16:10:58.70
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