Earthquake with magnitude of Md 1.3 on date 29-02-2024 and time 01:48:24 (UTC) in region 4 km SW Radicondoli (SI)

A magnitude Md 1.3 earthquake occured in region: 4 km SW Radicondoli (SI), on

  • 29-02-2024 01:48:24 (UTC)
  • 29-02-2024 02:48:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2330, 11.0110 at 1 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
Radicondoli SI 4 914 914
Castelnuovo di Val di Cecina PI 9 2231 3145
Chiusdino SI 11 1903 5048
Montieri GR 11 1204 6252
Casole d'Elsa SI 12 3897 10149
Pomarance PI 13 5897 16046
Monterotondo Marittimo GR 16 1371 17417
Monticiano SI 17 1571 18988
Sovicille SI 18 10116 29104

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Siena (53903 inhabitants)
53 Km N of Grosseto (82087 inhabitants)
60 Km S of Scandicci (50609 inhabitants)
63 Km SW of Firenze (382808 inhabitants)
67 Km SE of Livorno (159219 inhabitants)
72 Km S of Prato (191150 inhabitants)
73 Km SE of Pisa (89158 inhabitants)
75 Km W of Arezzo (99543 inhabitants)
78 Km S of Pistoia (90315 inhabitants)
79 Km SE of Lucca (89046 inhabitants)
94 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
Md 1.3 2024-02-29
01:48:24
43.2333 11.0112 1 2024-02-29
01:53:52
Sala Sismica INGV-Roma 125608541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-29 01:48:24 ± 0.06
Latitude 43.2333 ± 0.0036
Longitude 11.0112 ± 0.0049
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125608541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
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) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 125608541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-29 01:53:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2024-02-29T01:48:43.31 3.0 negative manual P 0.22 0
IV.OSSC.HHZ. 2024-02-29T01:48:37.85 0.6 undecidable manual S 30 37.3293 91 0.15 47
IV.CSNT.HHZ. 2024-02-29T01:48:36.62 0.6 undecidable manual S 40 34.8429 91 -0.22 47
IV.OSSC.HHZ. 2024-02-29T01:48:32.19 0.6 negative manual P 30 37.3293 91 -0.04 48
IV.LOCA.HHZ. 2024-02-29T01:48:32.16 0.6 undecidable manual S 68 21.867 92 -0.17 48
IV.CSNT.HHZ. 2024-02-29T01:48:31.70 0.1 positive manual P 40 34.8429 91 -0.03 97
IV.TRIF.CHZ. 2024-02-29T01:48:30.08 0.6 undecidable manual S 214 15.7731 93 -0.15 49
IV.LOCA.HHZ. 2024-02-29T01:48:29.26 0.1 positive manual P 68 21.867 92 0.14 97
IV.FROS.CHE. 2024-02-29T01:48:28.86 0.6 undecidable manual S 103 11.9769 93 -0.06 50
IV.FROS.CHE. 2024-02-29T01:48:27.24 0.1 undecidable manual P 103 11.9769 93 0.09 100
IV.TRIF.CHZ. 2024-02-29T01:48:27.95 0.1 undecidable manual P 214 15.7731 93 0.04 100
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