Earthquake with magnitude of ML 1.0 on date 22-09-2023 and time 02:23:00 (UTC) in region 4 km W Fossato di Vico (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km W Fossato di Vico (PG), on

  • 22-09-2023 02:23:00 (UTC)
  • 22-09-2023 04:23:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2900, 12.7130 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Fossato di Vico PG 4 2840 2840
Sigillo PG 5 2404 5244
Costacciaro PG 8 1216 6460
Gualdo Tadino PG 9 15208 21668
Gubbio PG 13 32216 53884
Scheggia e Pascelupo PG 13 1393 55277
Fabriano AN 16 31480 86757
Valfabbrica PG 17 3389 90146
Esanatoglia MC 19 2034 92180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Perugia (166134 inhabitants)
37 Km N of Foligno (57155 inhabitants)
66 Km SW of Fano (60888 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
71 Km S of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
81 Km N of Terni (111501 inhabitants)
87 Km S of Rimini (147750 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 1.0 2023-09-22
02:23:00
43.2903 12.7133 11 2023-09-22
02:29:04
Sala Sismica INGV-Roma 121334561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 02:23:00 ± 0.09
Latitude 43.2903 ± 0.0072
Longitude 12.7133 ± 0.0074
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121334561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 799
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03507
Epicentral distance of station farthest from the epicenter (degree) 0.34264
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 121334561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 02:29:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-09-22T02:23:13.34 0.6 undecidable manual S 343 37.1295 50 0.37 45
IV.APEC.HHZ. 2023-09-22T02:23:12.66 0.3 undecidable manual S 322 38.0286 50 -0.55 62
IV.ARVD.HHZ. 2023-09-22T02:23:11.11 0.6 undecidable manual S 39 29.4483 50 0.18 47
IV.APEC.HHZ. 2023-09-22T02:23:08.07 0.3 undecidable manual P 322 38.0286 50 0.21 70
IV.NARO.HHZ. 2023-09-22T02:23:07.63 0.6 positive manual P 343 37.1295 50 -0.09 47
IV.SNTG.HHZ. 2023-09-22T02:23:07.78 0.6 undecidable manual S 102 18.7701 50 -0.29 48
IV.ARVD.HHZ. 2023-09-22T02:23:06.54 0.1 negative manual P 39 29.4483 50 -0.01 98
IV.ATCC.EHZ. 2023-09-22T02:23:06.49 0.6 undecidable manual S 207 13.0758 130 0.04 50
IV.TSM1.DHZ.12 2023-09-22T02:23:05.82 0.6 undecidable manual S 303 11.1777 134 -0.13 49
IV.SNTG.HHZ. 2023-09-22T02:23:04.83 1.0 undecidable manual P 102 18.7701 50 -0.06 25
IV.ATCC.EHZ. 2023-09-22T02:23:03.99 0.1 positive manual P 207 13.0758 130 0.03 100
IV.TSM1.DHZ.12 2023-09-22T02:23:03.78 0.1 undecidable manual P 303 11.1777 134 0.11 99
IV.FOSV.EHZ. 2023-09-22T02:23:03.06 1.0 undecidable manual P 83 3.8961 160 0.2 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:0.9 0.00007855 0.14 AML other m 2023-09-22T02:23:06.57
IV.ATCC.EHE. ML:1.0 0.00011094999999999999 0.14 AML other m 2023-09-22T02:23:06.69
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