Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.2 on date 10-09-2023 and time 04:27:37 (UTC) in region 1 km S Cagli (PU)

A magnitude ML 0.2 earthquake occured in region: 1 km S Cagli (PU), on

  • 10-09-2023 04:27:37 (UTC)
  • 10-09-2023 06:27:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5420, 12.6510 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
Cagli PU 1 8731 8731
Cantiano PU 8 2245 10976
Frontone PU 8 1300 12276
Acqualagna PU 9 4393 16669
Serra Sant'Abbondio PU 11 1027 17696
Piobbico PU 12 2029 19725
Fermignano PU 15 8596 28321
Pergola PU 15 6333 34654
Scheggia e Pascelupo PG 15 1393 36047
Urbania PU 17 7099 43146
Apecchio PU 19 1882 45028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Fano (60888 inhabitants)
46 Km SW of Pesaro (94582 inhabitants)
53 Km NE of Perugia (166134 inhabitants)
58 Km S of Rimini (147750 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
65 Km N of Foligno (57155 inhabitants)
71 Km W of Ancona (100861 inhabitants)
74 Km SE of Cesena (96758 inhabitants)
90 Km SE of Forlì (117913 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 0.2 2023-09-10
04:27:37		 43.5415 12.6507 10 2023-09-10
06:17:19		 Sala Sismica INGV-Roma 120932271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-10 04:27:37 ± 0.11
Latitude 43.5415 ± 0.0027
Longitude 12.6507 ± 0.0025
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 120932271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 71
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.11781
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 120932271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-10 06:17:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OSSC.HHZ. 2023-09-10T04:27:52.57 3.0 undecidable manual P -0.06 0
IV.MPAG.EHZ. 2023-09-10T04:27:42.73 0.6 undecidable manual S 42 13.0758 128 -0.08 65
IV.FRON.EHZ. 2023-09-10T04:27:41.34 0.6 undecidable manual S 114 6.5934 147 0.08 66
IV.PIEI.HHZ. 2023-09-10T04:27:41.77 0.6 undecidable manual S 266 9.2796 137 -0.08 66
IV.NARO.HHZ. 2023-09-10T04:27:41.92 0.6 undecidable manual S 324 9.5793 137 0.03 66
IV.MPAG.EHZ. 2023-09-10T04:27:40.38 0.6 undecidable manual P 42 13.0758 128 0 66
IV.ATFO.HHZ. 2023-09-10T04:27:40.43 3.0 positive manual P 0.07 0
IV.NARO.HHZ. 2023-09-10T04:27:39.92 0.3 undecidable manual P 324 9.5793 137 0.07 99
IV.FRON.EHZ. 2023-09-10T04:27:39.42 0.6 undecidable manual P 114 6.5934 147 -0.06 66
IV.PIEI.HHZ. 2023-09-10T04:27:39.82 0.3 undecidable manual P 266 9.2796 137 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHN. ML:0.3 0.0000295 0.5 AML other m 2023-09-10T04:27:41.37
IV.FRON.EHE. ML:0.1 0.000020055 0.68 AML other m 2023-09-10T04:27:41.32
IV.PIEI.HHN. ML:0.4 0.00002895 0.06 AML other m 2023-09-10T04:27:42.01
IV.PIEI.HHE. ML:0.4 0.0000281 0.08 AML other m 2023-09-10T04:27:42.11
IV.NARO.HHE. ML:0.2 0.00001805 0.6 AML other m 2023-09-10T04:27:42.01
IV.NARO.HHN. ML:0.2 0.00001805 0.56 AML other m 2023-09-10T04:27:42.14
IV.MPAG.EHE. ML:0.0 0.00001091482155 0.0576 AML other m 2023-09-10T04:27:42.78
IV.MPAG.EHN. ML:0.3 0.000017746400000000003 0.0576 AML other m 2023-09-10T04:27:42.81
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