Earthquake with magnitude of ML 1.4 on date 12-10-2024 and time 00:51:26 (UTC) in region 3 km NW Chiusdino (SI)

A magnitude ML 1.4 earthquake occured in region: 3 km NW Chiusdino (SI), on

  • 12-10-2024 00:51:26 (UTC)
  • 12-10-2024 02:51:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1730, 11.0540 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
Chiusdino SI 3 1903 1903
Montieri GR 6 1204 3107
Radicondoli SI 10 914 4021
Monticiano SI 11 1571 5592
Castelnuovo di Val di Cecina PI 13 2231 7823
Monterotondo Marittimo GR 16 1371 9194
Sovicille SI 19 10116 19310
Casole d'Elsa SI 19 3897 23207
Massa Marittima GR 19 8375 31582

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km SW of Siena (53903 inhabitants)
46 Km N of Grosseto (82087 inhabitants)
66 Km S of Scandicci (50609 inhabitants)
68 Km S of Firenze (382808 inhabitants)
74 Km SE of Livorno (159219 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
79 Km S of Prato (191150 inhabitants)
80 Km SE of Pisa (89158 inhabitants)
85 Km S of Pistoia (90315 inhabitants)
87 Km SE of Lucca (89046 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 1.4 2024-10-12
00:51:26
43.1727 11.0538 10 2024-10-12
00:58:37
Sala Sismica INGV-Roma 131989561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-10-12 00:51:26 ± 0.12
Latitude 43.1727 ± 0.0090
Longitude 11.0538 ± 0.0148
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 131989561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1462
Semi-minor axis of confidence ellipse (meter) 304
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.40559
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 131989561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-10-12 00:58:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2024-10-12T00:51:41.07 0.6 undecidable manual S 200 45.0216 50 -0.31 46
IV.OSSC.HHZ. 2024-10-12T00:51:40.36 0.6 undecidable manual S 22 41.9247 50 -0.19 47
IV.CSNT.HHZ. 2024-10-12T00:51:39.13 0.1 undecidable manual S 30 38.4282 50 -0.48 89
IV.CASP.HHZ. 2024-10-12T00:51:35.64 0.6 undecidable manual P 200 45.0216 50 0.48 44
IV.OSSC.HHZ. 2024-10-12T00:51:35.13 0.1 undecidable manual P 22 41.9247 50 0.45 89
IV.RIBO.EHZ.01 2024-10-12T00:51:35.46 0.6 undecidable manual S 181 24.8529 112 -0.5 46
IV.LOCA.HHZ. 2024-10-12T00:51:34.74 0.3 undecidable manual S 49 22.4553 114 -0.46 69
IV.CSNT.HHZ. 2024-10-12T00:51:34.32 0.3 undecidable manual P 30 38.4282 50 0.18 71
IV.RIBO.EHZ.01 2024-10-12T00:51:32.34 0.6 positive manual P 181 24.8529 112 0.31 47
IV.TRIF.CHZ. 2024-10-12T00:51:32.19 0.3 undecidable manual S 242 13.7751 126 -0.41 71
IV.LOCA.HHZ. 2024-10-12T00:51:31.78 0.1 negative manual P 49 22.4553 114 0.18 98
IV.FROS.CHZ. 2024-10-12T00:51:31.34 0.6 undecidable manual S 64 9.2796 137 -0.06 51
IV.TRIF.CHZ. 2024-10-12T00:51:30.24 0.1 negative manual P 242 13.7751 126 0.15 100
IV.FROS.CHZ. 2024-10-12T00:51:29.73 0.1 negative manual P 64 9.2796 137 0.33 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FROS.CHN. ML:1.5 0.000388 0.08 AML other m 2024-10-12T00:51:31.50
IV.FROS.CHE. ML:1.2 0.00021849999999999997 0.82 AML other m 2024-10-12T00:51:32.54
IV.TRIF.CHE. ML:1.3 0.00021200000000000003 1.54 AML other m 2024-10-12T00:51:32.21
IV.TRIF.CHN. ML:1.6 0.00040649999999999996 0.1 AML other m 2024-10-12T00:51:32.34
IV.LOCA.HHE. ML:1.5 0.00019949999999999997 1.88 AML other m 2024-10-12T00:51:34.97
IV.LOCA.HHN. ML:1.4 0.00016 1.72 AML other m 2024-10-12T00:51:34.99
IV.RIBO.EHE.01 ML:1.2 0.00009490000000000002 0.42 AML other m 2024-10-12T00:51:35.82
IV.CASP.HHN. ML:1.4 0.00008044999999999999 0.66 AML other m 2024-10-12T00:51:41.28
IV.CASP.HHE. ML:1.4 0.0000706 0.22 AML other m 2024-10-12T00:51:41.39
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download