Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 01-12-2023 and time 23:28:46 (Italy) in region Borgo Pace (PU)

A magnitude ML 1.3 earthquake occured in region: Borgo Pace (PU), on

  • 01-12-2023 22:28:46 (UTC)
  • 01-12-2023 23:28:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6620, 12.3000 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
Borgo Pace PU 1 606 606
Mercatello sul Metauro PU 3 1378 1984
Sestino AR 5 1355 3339
Belforte all'Isauro PU 9 769 4108
Sant'Angelo in Vado PU 9 4133 8241
Badia Tedalda AR 11 1087 9328
Piandimeleto PU 12 2167 11495
Frontino PU 13 293 11788
Carpegna PU 14 1674 13462
Lunano PU 14 1527 14989
Apecchio PU 15 1882 16871
San Giustino PG 16 11297 28168
Sansepolcro AR 16 15884 44052
Peglio PU 16 696 44748
Pietrarubbia PU 17 660 45408
Pennabilli RN 18 2869 48277
Urbania PU 18 7099 55376
Casteldelci RN 19 407 55783
Piobbico PU 19 2029 57812
Macerata Feltria PU 20 1990 59802

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Arezzo (99543 inhabitants)
49 Km SW of Rimini (147750 inhabitants)
53 Km S of Cesena (96758 inhabitants)
57 Km W of Pesaro (94582 inhabitants)
61 Km W of Fano (60888 inhabitants)
62 Km N of Perugia (166134 inhabitants)
66 Km SE of Forlì (117913 inhabitants)
77 Km SE of Faenza (58541 inhabitants)
85 Km S of Ravenna (159116 inhabitants)
85 Km E of Firenze (382808 inhabitants)
85 Km NW of Foligno (57155 inhabitants)
87 Km E of Siena (53903 inhabitants)
90 Km SE of Imola (69797 inhabitants)
91 Km E of Scandicci (50609 inhabitants)
98 Km W 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 1.3 2023-12-01
22:28:46		 43.6617 12.3003 10 2023-12-01
22:33:47		 Sala Sismica INGV-Roma 123649471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-01 22:28:46 ± 0.23
Latitude 43.6617 ± 0.0090
Longitude 12.3003 ± 0.0087
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 123649471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 674
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 123649471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-01 22:33:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2023-12-01T22:28:57.31 0.6 undecidable manual S 165 32.1456 50 -0.36 47
IV.ATPI.EHZ. 2023-12-01T22:28:55.47 0.6 undecidable manual S 161 24.753 111 -0.08 51
IV.NARO.HHZ. 2023-12-01T22:28:54.90 0.6 undecidable manual S 104 23.1546 113 -0.13 50
IV.ATVO.HHZ. 2023-12-01T22:28:53.15 1.0 negative manual P 165 32.1456 50 0.28 24
IV.BADI.EHZ. 2023-12-01T22:28:53.29 0.6 undecidable manual S 195 17.4714 119 0.06 51
IV.SFI.EHZ. 2023-12-01T22:28:52.94 3.0 undecidable manual P 0 0
IV.ATPI.EHZ. 2023-12-01T22:28:51.78 0.1 undecidable manual P 161 24.753 111 0.14 100
IV.NARO.HHZ. 2023-12-01T22:28:51.53 1.0 undecidable manual P 104 23.1546 113 0.19 25
IV.BADI.EHZ. 2023-12-01T22:28:50.55 0.6 undecidable manual P 195 17.4714 119 0.24 50
IV.PARC.HHZ. 2023-12-01T22:28:49.75 0.6 undecidable manual S 254 5.1948 152 -0.36 49
IV.PARC.HHZ. 2023-12-01T22:28:48.64 1.0 undecidable manual P 254 5.1948 152 0.14 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:1.4 0.0004075 0.2 AML other m 2023-12-01T22:28:49.94
IV.PARC.HHE. ML:1.3 0.00035250000000000006 1.84 AML other m 2023-12-01T22:28:50.93
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