Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-11-2023 and time 15:08:41 (Italy) in region 6 km NW Apecchio (PU)

A magnitude ML 1.3 earthquake occured in region: 6 km NW Apecchio (PU), on

  • 27-11-2023 14:08:41 (UTC)
  • 27-11-2023 15:08:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6000, 12.3720 at 9 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
Apecchio PU 6 1882 1882
Mercatello sul Metauro PU 6 1378 3260
Sant'Angelo in Vado PU 8 4133 7393
Borgo Pace PU 9 606 7999
Piobbico PU 11 2029 10028
Belforte all'Isauro PU 13 769 10797
Sestino AR 14 1355 12152
Piandimeleto PU 14 2167 14319
Urbania PU 15 7099 21418
Peglio PU 15 696 22114
Lunano PU 16 1527 23641
San Giustino PG 17 11297 34938
Pietralunga PG 18 2111 37049
Frontino PU 19 293 37342
Sansepolcro AR 19 15884 53226
Città di Castello PG 19 39913 93139
Badia Tedalda AR 19 1087 94226

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Arezzo (99543 inhabitants)
54 Km SW of Rimini (147750 inhabitants)
55 Km N of Perugia (166134 inhabitants)
56 Km SW of Pesaro (94582 inhabitants)
59 Km W of Fano (60888 inhabitants)
61 Km S of Cesena (96758 inhabitants)
74 Km SE of Forlì (117913 inhabitants)
76 Km NW of Foligno (57155 inhabitants)
86 Km SE of Faenza (58541 inhabitants)
90 Km E of Siena (53903 inhabitants)
92 Km E of Firenze (382808 inhabitants)
92 Km S of Ravenna (159116 inhabitants)
93 Km W of Ancona (100861 inhabitants)
97 Km E of Scandicci (50609 inhabitants)
99 Km SE of Imola (69797 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 2023-11-27
14:08:41		 43.5995 12.3718 9 2023-11-27
14:12:36		 Sala Sismica INGV-Roma 123493321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-27 14:08:41 ± 0.08
Latitude 43.5995 ± 0.0036
Longitude 12.3718 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123493321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 302
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 16
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 123493321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-27 14:12:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATMI.HHZ. 2023-11-27T14:08:52.50 0.3 undecidable manual S 196 30.6471 50 0.06 72
IV.ATVO.HHZ. 2023-11-27T14:08:50.82 0.3 undecidable manual S 173 24.2535 111 0.38 68
IV.NARO.HHZ. 2023-11-27T14:08:48.06 0.6 undecidable manual S 86 16.7721 119 -0.02 50
IV.CRE.HHZ. 2023-11-27T14:08:48.09 3.0 positive manual P -0.05 0
IV.MPAG.EHZ. 2023-11-27T14:08:47.77 3.0 positive manual P 0.05 0
IV.BADI.EHZ. 2023-11-27T14:08:47.19 0.6 undecidable manual S 226 14.2746 123 -0.14 49
IV.FRON.EHZ. 2023-11-27T14:08:47.55 3.0 negative manual P 0.08 0
IV.SSFR.HHZ. 2023-11-27T14:08:47.37 3.0 negative manual P -1.39 0
IV.ATMI.HHZ. 2023-11-27T14:08:47.62 0.1 undecidable manual P 196 30.6471 50 -0.16 94
IV.PIEI.HHZ. 2023-11-27T14:08:47.33 0.6 undecidable manual S 118 14.874 122 -0.18 48
IV.ATVO.HHZ. 2023-11-27T14:08:46.52 0.1 undecidable manual P 173 24.2535 111 -0.1 96
IV.PARC.HHZ. 2023-11-27T14:08:46.60 0.3 undecidable manual S 297 11.9769 128 -0.08 74
IV.PE3.EHZ. 2023-11-27T14:08:45.27 0.3 undecidable manual P 43 14.6742 122 0.38 69
IV.APEC.HHZ. 2023-11-27T14:08:45.12 0.3 undecidable manual S 140 5.994 147 -0.12 74
IV.ATPI.EHZ. 2023-11-27T14:08:45.30 0.1 undecidable manual P 172 16.6722 119 0.06 99
IV.NARO.HHZ. 2023-11-27T14:08:45.18 0.1 undecidable manual P 86 16.7721 119 -0.09 98
IV.PARC.HHZ. 2023-11-27T14:08:44.49 0.1 positive manual P 297 11.9769 128 0.03 100
IV.PIEI.HHZ. 2023-11-27T14:08:44.83 0.1 positive manual P 118 14.874 122 -0.11 98
IV.BADI.EHZ. 2023-11-27T14:08:44.88 0.1 positive manual P 226 14.2746 123 0.05 99
IV.APEC.HHZ. 2023-11-27T14:08:43.71 0.1 undecidable manual P 140 5.994 147 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:1.7 0.0008755 0.46 AML other m 2023-11-27T14:08:46.70
IV.PARC.HHN. ML:1.4 0.0002595 0.42 AML other m 2023-11-27T14:08:46.92
IV.APEC.HHN. ML:1.7 0.000911 0.28 AML other m 2023-11-27T14:08:47.00
IV.PARC.HHE. ML:1.2 0.00020400000000000003 1.12 AML other m 2023-11-27T14:08:47.82
IV.BADI.EHN. ML:1.4 0.00023549999999999998 0.58 AML other m 2023-11-27T14:08:47.78
IV.PIEI.HHE. ML:1.3 0.00021500000000000002 1.2 AML other m 2023-11-27T14:08:47.65
IV.BADI.EHE. ML:1.4 0.0002925 0.88 AML other m 2023-11-27T14:08:47.99
IV.NARO.HHN. ML:1.2 0.000156 0.06 AML other m 2023-11-27T14:08:48.12
IV.PE3.EHE. ML:1.6 0.00038700000000000003 1.54 AML other m 2023-11-27T14:08:48.93
IV.NARO.HHE. ML:1.2 0.000126 1.32 AML other m 2023-11-27T14:08:48.97
IV.PE3.EHN. ML:1.6 0.000395 0.74 AML other m 2023-11-27T14:08:49.49
IV.PIEI.HHN. ML:1.0 0.00011115 0.7 AML other m 2023-11-27T14:08:49.18
IV.ATVO.HHE. ML:1.3 0.00011949999999999999 0.7 AML other m 2023-11-27T14:08:51.01
IV.ATVO.HHN. ML:1.1 0.0000747 0.8 AML other m 2023-11-27T14:08:51.04
IV.ATPI.EHE. ML:1.1 0.00011949999999999999 1.4 AML other m 2023-11-27T14:08:51.85
IV.ATPI.EHN. ML:1.2 0.0001605 1.2 AML other m 2023-11-27T14:08:51.32
IV.ATMI.HHE. ML:1.5 0.00014000000000000001 0.66 AML other m 2023-11-27T14:08:52.69
IV.MPAG.EHE. ML:1.0 0.000046700000000000003 0.92 AML other m 2023-11-27T14:08:54.49
IV.MPAG.EHN. ML:1.2 0.00006604999999999999 1.52 AML other m 2023-11-27T14:08:54.89
IV.ATMI.HHN. ML:1.3 0.00009645000000000001 1.2 AML other m 2023-11-27T14:08:56.61
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