Earthquake with magnitude of ML 1.0 on date 12-11-2023 and time 21:49:14 (Italy) in region 2 km W Pieve Santo Stefano (AR)

A magnitude ML 1.0 earthquake occured in region: 2 km W Pieve Santo Stefano (AR), on

  • 12-11-2023 20:49:14 (UTC)
  • 12-11-2023 21:49:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6660, 12.0180 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pieve Santo Stefano AR 2 3183 3183
Caprese Michelangelo AR 3 1426 4609
Chiusi della Verna AR 8 2023 6632
Chitignano AR 11 899 7531
Anghiari AR 14 5638 13169
Badia Tedalda AR 14 1087 14256
Sansepolcro AR 15 15884 30140
Verghereto FC 15 1907 32047
Castel Focognano AR 15 3149 35196
Subbiano AR 15 6331 41527
Bibbiena AR 16 12241 53768
Capolona AR 17 5438 59206
Casteldelci RN 18 407 59613
San Giustino PG 18 11297 70910
Talla AR 20 1062 71972

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Arezzo (99543 inhabitants)
56 Km SW of Cesena (96758 inhabitants)
62 Km S of Forlì (117913 inhabitants)
62 Km E of Firenze (382808 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
67 Km NE of Siena (53903 inhabitants)
68 Km E of Scandicci (50609 inhabitants)
69 Km NW of Perugia (166134 inhabitants)
70 Km S of Faenza (58541 inhabitants)
77 Km W of Pesaro (94582 inhabitants)
78 Km E of Prato (191150 inhabitants)
80 Km SE of Imola (69797 inhabitants)
83 Km W of Fano (60888 inhabitants)
85 Km S of Ravenna (159116 inhabitants)
93 Km E of Pistoia (90315 inhabitants)
97 Km NW of Foligno (57155 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 2023-11-12
20:49:14
43.6657 12.0177 9 2023-11-12
21:20:45
Sala Sismica INGV-Roma 123070441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-12 20:49:14 ± 0.08
Latitude 43.6657 ± 0.0045
Longitude 12.0177 ± 0.0062
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123070441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59895
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 123070441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-12 21:20:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HHZ. 2023-11-12T20:50:23.26 3.0 negative manual Pn -3.97 0
IV.GATE.HHZ. 2023-11-12T20:50:18.79 3.0 undecidable manual Sn -1.49 0
CR.STON.BHZ. 2023-11-12T20:50:16.30 3.0 undecidable manual Pg 12.5 0
IV.LRP.EHZ. 2023-11-12T20:49:59.70 3.0 undecidable manual Sn 0.03 0
GU.SATI.HHZ. 2023-11-12T20:49:50.97 3.0 undecidable manual Pg 1.71 0
IV.ATVO.HHZ. 2023-11-12T20:49:28.91 0.3 undecidable manual S 135 44.3223 50 0 96
IV.PE3.EHE. 2023-11-12T20:49:27.94 0.3 undecidable manual S 85 38.5281 50 0.59 85
IV.CAFI.HHZ. 2023-11-12T20:49:27.16 0.3 undecidable manual S 186 37.5291 50 0.07 95
IV.SSFR.HHZ. 2023-11-12T20:49:26.31 0.3 undecidable manual P 112 66.4779 50 0.19 89
IV.FRON.EHZ. 2023-11-12T20:49:25.22 0.3 undecidable manual P 106 59.1963 50 0.23 89
IV.SFI.EHZ. 2023-11-12T20:49:24.88 0.3 undecidable manual S 333 29.8479 50 -0.15 96
IV.MPAG.EHZ. 2023-11-12T20:49:24.97 0.3 undecidable manual P 94 59.6958 50 -0.1 92
IV.VMGN.HHZ. 2023-11-12T20:49:23.76 0.3 undecidable manual P 310 50.3163 50 0.13 93
IV.BADI.EHZ. 2023-11-12T20:49:23.26 0.3 undecidable manual S 133 25.1526 111 -0.28 94
IV.ATVO.HHZ. 2023-11-12T20:49:22.63 0.3 undecidable manual P 135 44.3223 50 -0.07 95
IV.RUFI.EHZ. 2023-11-12T20:49:22.72 0.3 undecidable manual P 295 45.0216 50 -0.08 95
IV.NARO.HHZ. 2023-11-12T20:49:22.52 0.3 undecidable manual P 97 45.621 50 -0.37 89
IV.CAFI.HHZ. 2023-11-12T20:49:21.55 0.3 undecidable manual P 186 37.5291 50 -0.11 96
IV.PE3.EHE. 2023-11-12T20:49:21.47 0.3 undecidable manual P 85 38.5281 50 -0.34 91
IV.SFI.EHZ. 2023-11-12T20:49:20.28 0.3 undecidable manual P 333 29.8479 50 -0.19 95
IV.CPGN.EHN. 2023-11-12T20:49:20.53 0.3 undecidable manual P 58 28.5492 108 0.28 94
IV.BADI.EHZ. 2023-11-12T20:49:19.46 0.3 undecidable manual P 133 25.1526 111 -0.14 96
IV.CRE.HHZ. 2023-11-12T20:49:18.61 0.3 undecidable manual S 226 7.3815 142 0.22 99
IV.ARVD.HHZ. 2023-11-12T20:49:17.53 3.0 undecidable manual Pg 1.02 0
IV.CRE.HHZ. 2023-11-12T20:49:16.79 0.3 undecidable manual P 226 7.3815 142 0.16 100
IV.MML1.EHZ. 2023-11-12T20:49:14.00 3.0 positive manual Pg -2.68 0
IV.FDMO.HHZ. 2023-11-12T20:49:14.62 3.0 undecidable manual P -3.31 0
IV.ASSB.HHZ. 2023-11-12T20:49:14.07 3.0 negative manual Pg 0.11 0
IV.CESI.HHZ. 2023-11-12T20:49:11.90 3.0 undecidable manual Pn -4.42 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.5 0.000543 1.34 AML other m 2023-11-12T20:49:18.76
IV.CRE.HHE. ML:1.3 0.0003025 0.3 AML other m 2023-11-12T20:49:18.65
IV.BADI.EHE. ML:1.1 0.0000697 1.58 AML other m 2023-11-12T20:49:24.18
IV.BADI.EHN. ML:1.0 0.0000599 0.5 AML other m 2023-11-12T20:49:29.42
IV.NARO.HHN. ML:1.4 0.0000726 0.74 AML other m 2023-11-12T20:49:29.93
IV.NARO.HHE. ML:1.1 0.000035000000000000004 0.52 AML other m 2023-11-12T20:49:30.99
IV.FDMO.HHE. ML:1.1 0.000007630808349999999 0.3456 AML other m 2023-11-12T20:49:17.88
IV.FDMO.HHN. ML:0.8 0.00000676624645 0.2176 AML other m 2023-11-12T20:49:17.84
IV.SFI.EHE. ML:0.8 0.000031985055 0.8448 AML other m 2023-11-12T20:49:32.27
IV.SFI.EHN. ML:0.9 0.000036125959999999997 0.384 AML other m 2023-11-12T20:49:28.59
IV.CAFI.HHE. ML:0.9 0.000032090935000000004 0.1792 AML other m 2023-11-12T20:49:27.90
IV.CAFI.HHN. ML:1.0 0.000038253625 0.2944 AML other m 2023-11-12T20:49:28.10
IV.ATVO.HHE. ML:0.8 0.000021983097 0.4608 AML other m 2023-11-12T20:49:37.54
IV.ATVO.HHN. ML:0.8 0.000018775452499999997 0.32 AML other m 2023-11-12T20:49:30.46
IV.FRON.EHE. ML:0.7 0.000012349124999999998 0.4096 AML other m 2023-11-12T20:49:34.91
IV.FRON.EHN. ML:1.0 0.000017607835 0.128 AML other m 2023-11-12T20:49:36.03
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