Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 24-07-2023 and time 14:35:50 (UTC) in region 4 km SW Sigillo (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km SW Sigillo (PG), on

  • 24-07-2023 14:35:50 (UTC)
  • 24-07-2023 16:35:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3110, 12.7080 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
Sigillo PG 4 2404 2404
Fossato di Vico PG 5 2840 5244
Costacciaro PG 5 1216 6460
Scheggia e Pascelupo PG 11 1393 7853
Gualdo Tadino PG 11 15208 23061
Gubbio PG 11 32216 55277
Fabriano AN 16 31480 86757
Sassoferrato AN 19 7285 94042
Valfabbrica PG 19 3389 97431
Cantiano PU 19 2245 99676

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
39 Km N of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
74 Km W of Ancona (100861 inhabitants)
84 Km N of Terni (111501 inhabitants)
84 Km S of Rimini (147750 inhabitants)
99 Km SE of Cesena (96758 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 0.6 2023-07-24
14:35:50		 43.3113 12.7077 10 2023-07-24
14:45:38		 Sala Sismica INGV-Roma 119537541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-24 14:35:50 ± 0.06
Latitude 43.3113 ± 0.0027
Longitude 12.7077 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119537541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 394
Semi-minor axis of confidence ellipse (meter) 91
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
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) 104
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 119537541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-24 14:45:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-07-24T14:36:01.26 0.6 undecidable manual S 188 30.0477 50 -0.18 49
IV.PIEI.HHZ. 2023-07-24T14:36:01.00 0.6 undecidable manual S 331 28.5492 50 -0.03 51
IV.SNTG.HHZ. 2023-07-24T14:35:58.66 0.3 undecidable manual S 108 19.869 118 0.09 77
IV.ATCC.EHZ. 2023-07-24T14:35:57.26 0.3 undecidable manual S 201 15.0738 125 0.11 77
IV.ATFO.HHZ. 2023-07-24T14:35:56.29 0.6 undecidable manual S 299 12.5763 130 -0.19 51
IV.ASSB.HHZ. 2023-07-24T14:35:56.84 0.6 undecidable manual P 188 30.0477 50 -0.11 50
IV.ATSC.EHZ. 2023-07-24T14:35:56.53 0.3 undecidable manual S 352 12.5763 129 0.05 78
IV.PIEI.HHZ. 2023-07-24T14:35:56.79 1.0 undecidable manual P 331 28.5492 50 0.08 25
IV.TSM2.DHZ.15 2023-07-24T14:35:55.27 0.6 undecidable manual P 298 19.9689 118 -0.04 52
IV.FRON.EHZ. 2023-07-24T14:35:55.93 1.0 negative manual P 4 22.9548 50 0.08 25
IV.SNTG.HHZ. 2023-07-24T14:35:55.01 0.1 undecidable manual P 108 19.869 118 -0.28 98
IV.TSM1.DHZ.01 2023-07-24T14:35:55.40 0.3 undecidable manual S 293 9.6792 137 -0.34 74
IV.ATCC.EHZ. 2023-07-24T14:35:54.70 0.1 positive manual P 201 15.0738 125 0.23 100
IV.ATSC.EHZ. 2023-07-24T14:35:54.33 0.3 undecidable manual P 352 12.5763 129 0.24 75
IV.FOSV.EHZ. 2023-07-24T14:35:54.59 0.3 undecidable manual S 113 4.6953 156 -0.18 77
IV.ATFO.HHZ. 2023-07-24T14:35:54.23 0.3 undecidable manual P 299 12.5763 130 0.15 77
IV.FOSV.EHZ. 2023-07-24T14:35:53.26 0.3 undecidable manual P 113 4.6953 156 0.17 77
IV.TSM1.DHZ.01 2023-07-24T14:35:53.70 0.3 undecidable manual P 293 9.6792 137 0.05 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.5 0.000052449999999999994 0.08 AML other m 2023-07-24T14:35:54.84
IV.FOSV.EHN. ML:0.3 0.0000368 0.46 AML other m 2023-07-24T14:35:54.66
IV.ATCC.EHN. ML:0.8 0.00005395 0.12 AML other m 2023-07-24T14:35:57.49
IV.ATCC.EHE. ML:0.8 0.00006065 0.46 AML other m 2023-07-24T14:35:57.50
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