Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 11-11-2023 and time 17:07:24 (UTC) in region 5 km NW Sellano (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km NW Sellano (PG), on

  • 11-11-2023 17:07:24 (UTC)
  • 11-11-2023 18:07:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9210, 12.8880 at 10 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 5 1079 1079
Cerreto di Spoleto PG 11 1075 2154
Trevi PG 12 8469 10623
Monte Cavallo MC 12 145 10768
Preci PG 13 724 11492
Campello sul Clitunno PG 14 2442 13934
Foligno PG 15 57155 71089
Visso MC 16 1107 72196
Vallo di Nera PG 17 364 72560
Serravalle di Chienti MC 18 1070 73630
Valtopina PG 19 1398 75028
Pieve Torina MC 19 1458 76486
Montefalco PG 19 5679 82165
Spello PG 19 8645 90810

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
46 Km E of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 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 0.3 2023-11-11
17:07:24		 42.9208 12.8878 10 2023-11-11
17:16:47		 Sala Sismica INGV-Roma 123040831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-11 17:07:24 ± 0.08
Latitude 42.9208 ± 0.0063
Longitude 12.8878 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123040831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 716
Semi-minor axis of confidence ellipse (meter) 457
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
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) 0.33725
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 123040831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-11 17:16:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-11-11T17:07:32.65 0.3 undecidable manual S 306 22.9548 114 -0.2 95
IV.MML1.EHZ. 2023-11-11T17:07:32.60 0.3 undecidable manual S 18 22.4553 115 -0.07 98
IV.NRCA.HHZ. 2023-11-11T17:07:31.72 0.3 undecidable manual S 118 20.7681 116 -0.44 91
IV.FDMO.HHZ. 2023-11-11T17:07:31.79 0.3 undecidable manual S 52 20.6682 117 -0.32 93
IV.MMO1.EHZ. 2023-11-11T17:07:31.40 0.3 undecidable manual P 94 35.742 50 0.28 92
IV.LNSS.HHZ. 2023-11-11T17:07:31.23 0.3 undecidable manual P 161 37.4292 50 -0.15 94
IT.MTCL.HGZ. 2023-11-11T17:07:30.03 3.0 undecidable manual S 0.15 0
IV.FEMA.HNZ. 2023-11-11T17:07:30.16 0.3 undecidable manual S 71 13.875 127 0.04 100
IV.GAVE.HNE. 2023-11-11T17:07:29.47 0.3 undecidable manual P 179 25.3524 50 -0.06 98
IV.MML1.EHZ. 2023-11-11T17:07:29.01 0.3 undecidable manual P 18 22.4553 115 -0.04 99
IV.CESI.HHZ. 2023-11-11T17:07:29.11 0.3 undecidable manual S 8 9.3795 138 0.16 98
IV.ASSB.HHZ. 2023-11-11T17:07:29.29 0.3 undecidable manual P 306 22.9548 114 0.14 97
IV.MOMA.HHE. 2023-11-11T17:07:29.93 0.3 undecidable manual P 243 28.9488 50 -0.14 95
IV.NRCA.HHZ. 2023-11-11T17:07:29.39 0.3 undecidable manual P 118 20.7681 116 0.64 85
IV.FDMO.HHZ. 2023-11-11T17:07:28.63 0.3 undecidable manual P 52 20.6682 117 -0.1 98
IV.FEMA.HNZ. 2023-11-11T17:07:27.72 0.3 undecidable manual P 71 13.875 127 0.14 98
IV.CESI.HHZ. 2023-11-11T17:07:27.06 0.3 undecidable manual P 8 9.3795 138 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.3 0.000026245755 0.1024 AML other m 2023-11-11T17:07:29.23
IV.CESI.HHN. ML:0.5 0.000039987815000000005 0.1664 AML other m 2023-11-11T17:07:29.25
IV.MML1.EHE. ML:0.4 0.000012527163500000001 0.1024 AML other m 2023-11-11T17:07:32.79
IV.MML1.EHN. ML:0.4 0.00001724416 0.1792 AML other m 2023-11-11T17:07:33.00
IV.ASSB.HHE. ML:-0.1 0.0000074895410000000005 0.128 AML other m 2023-11-11T17:07:32.92
IV.ASSB.HHN. ML:0.2 0.000009403633 0.0768 AML other m 2023-11-11T17:07:33.97
IV.NRCA.HHE. ML:0.3 0.000016409805 0.1024 AML other m 2023-11-11T17:07:32.52
IV.NRCA.HHN. ML:0.3 0.000016616852000000002 0.1152 AML other m 2023-11-11T17:07:31.78
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