Earthquake with magnitude of ML 1.2 on date 07-11-2023 and time 04:13:02 (Italy) in region 6 km SE Castelnuovo di Val di Cecina (PI)

A magnitude ML 1.2 earthquake occured in region: 6 km SE Castelnuovo di Val di Cecina (PI), on

  • 07-11-2023 03:13:02 (UTC)
  • 07-11-2023 04:13:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1800, 10.9690 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelnuovo di Val di Cecina PI 6 2231 2231
Montieri GR 7 1204 3435
Monterotondo Marittimo GR 10 1371 4806
Chiusdino SI 10 1903 6709
Radicondoli SI 11 914 7623
Pomarance PI 15 5897 13520
Massa Marittima GR 16 8375 21895
Monticiano SI 18 1571 23466
Casole d'Elsa SI 19 3897 27363

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Siena (53903 inhabitants)
48 Km N of Grosseto (82087 inhabitants)
67 Km S of Scandicci (50609 inhabitants)
68 Km SE of Livorno (159219 inhabitants)
70 Km SW of Firenze (382808 inhabitants)
75 Km SE of Pisa (89158 inhabitants)
79 Km S of Prato (191150 inhabitants)
81 Km W of Arezzo (99543 inhabitants)
83 Km SE of Lucca (89046 inhabitants)
84 Km S of Pistoia (90315 inhabitants)
96 Km SE of Viareggio (62467 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 1.2 2023-11-07
03:13:02
43.1802 10.9687 10 2023-11-07
03:19:47
Sala Sismica INGV-Roma 122869441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-07 03:13:02 ± 0.15
Latitude 43.1802 ± 0.0081
Longitude 10.9687 ± 0.0160
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 122869441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1499
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 1500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39840
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 122869441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-07 03:19:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRI.EHZ. 2023-11-07T03:14:49.10 3.0 undecidable manual Pg 17.67 0
IV.LADO.EHZ. 2023-11-07T03:14:47.36 3.0 negative manual Pg 16.15 0
IV.SELL.HHZ. 2023-11-07T03:14:46.84 3.0 positive manual Pg 15.48 0
IV.SERS.HHZ. 2023-11-07T03:14:46.24 3.0 negative manual Pg 14.93 0
IV.PTRJ.HHZ. 2023-11-07T03:14:45.05 3.0 undecidable manual Sg 5.9 0
IY.MCDA.HHZ.00 2023-11-07T03:14:44.95 3.0 positive manual Pg 12.35 0
IV.ACATE.EHZ. 2023-11-07T03:14:34.82 3.0 positive manual Pn -5.66 0
7C.SPAOL.HNZ. 2023-11-07T03:14:32.60 3.0 undecidable manual Pn -4.34 0
IV.SALB.HHZ. 2023-11-07T03:14:23.98 3.0 negative manual Pn 3.23 0
IV.ORI.HHZ. 2023-11-07T03:14:20.55 3.0 undecidable manual Pn 0.48 0
IV.CIMA.HNZ. 2023-11-07T03:14:15.87 3.0 undecidable manual Sg 9.19 0
IV.MMO1.EHZ. 2023-11-07T03:14:00.62 3.0 undecidable manual Sn -1.9 0
IV.FDMO.HHZ. 2023-11-07T03:13:59.80 3.0 undecidable manual Sg 2.3 0
IV.NRCA.HHZ. 2023-11-07T03:13:57.76 3.0 undecidable manual Sn -1.61 0
GU.CANO.HHZ. 2023-11-07T03:13:49.86 3.0 undecidable manual Sg 0.8 0
IV.CASP.HHZ. 2023-11-07T03:13:16.64 0.6 undecidable manual S 191 44.0226 50 -0.18 46
IV.OSSC.HHE. 2023-11-07T03:13:16.72 0.6 undecidable manual S 30 44.2224 50 -0.15 46
IV.CSNT.HHZ. 2023-11-07T03:13:15.89 0.6 undecidable manual S 38 41.625 50 -0.29 45
IV.RIBO.EHZ.01 2023-11-07T03:13:11.75 0.6 undecidable manual S 166 26.3514 50 -0.38 45
IV.LOCA.HHN. 2023-11-07T03:13:11.95 0.6 undecidable manual S 59 27.5502 50 -0.48 44
IV.CASP.HHZ. 2023-11-07T03:13:11.27 0.3 undecidable manual P 191 44.0226 50 0.52 64
IV.CSNT.HHZ. 2023-11-07T03:13:10.82 0.3 undecidable manual P 38 41.625 50 0.44 65
IV.OSSC.HHE. 2023-11-07T03:13:10.48 0.6 undecidable manual P 30 44.2224 50 -0.3 45
IV.RIBO.EHZ.01 2023-11-07T03:13:08.25 0.3 undecidable manual P 166 26.3514 50 0.21 70
IV.LOCA.HHN. 2023-11-07T03:13:08.33 0.1 undecidable manual P 59 27.5502 50 0.12 96
IV.FROS.CHZ. 2023-11-07T03:13:08.88 0.6 undecidable manual S 78 15.4734 124 -0.04 50
IV.TRIF.CHZ. 2023-11-07T03:13:06.50 0.6 undecidable manual S 216 8.9799 139 -0.7 42
IV.FROS.CHZ. 2023-11-07T03:13:06.37 0.1 negative manual P 78 15.4734 124 0.19 96
IV.TRIF.CHZ. 2023-11-07T03:13:05.25 0.1 positive manual P 216 8.9799 139 0.06 100
IV.PLMA.HHZ. 2023-11-07T03:13:05.63 3.0 positive manual P -3.09 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRIF.CHE. ML:1.2 0.00023449999999999998 0.16 AML other m 2023-11-07T03:13:07.00
IV.TRIF.CHN. ML:1.2 0.00020899999999999998 0.22 AML other m 2023-11-07T03:13:07.24
IV.FROS.CHE. ML:1.0 0.000093544965 0.104 AML other m 2023-11-07T03:13:08.93
IV.FROS.CHN. ML:1.2 0.0001656892 0.12 AML other m 2023-11-07T03:13:09.54
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