Earthquake with magnitude of ML 1.3 on date 25-03-2024 and time 18:03:58 (UTC) in region 2 km N Certaldo (FI)

A magnitude ML 1.3 earthquake occured in region: 2 km N Certaldo (FI), on

  • 25-03-2024 18:03:58 (UTC)
  • 25-03-2024 19:03:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5670, 11.0450 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
Certaldo FI 2 16121 16121
Castelfiorentino FI 7 17504 33625
Gambassi Terme FI 8 4870 38495
Montespertoli FI 9 13537 52032
Tavarnelle Val di Pesa FI 10 7800 59832
Barberino Val d'Elsa FI 11 4386 64218
Montaione FI 11 3700 67918
San Gimignano SI 11 7820 75738
Poggibonsi SI 14 29196 104934
San Casciano in Val di Pesa FI 15 17062 121996
Colle di Val d'Elsa SI 17 21620 143616
Montelupo Fiorentino FI 18 14098 157714
Empoli FI 19 48109 205823
San Miniato PI 20 27934 233757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Scandicci (50609 inhabitants)
28 Km SW of Firenze (382808 inhabitants)
35 Km S of Prato (191150 inhabitants)
36 Km NW of Siena (53903 inhabitants)
42 Km S of Pistoia (90315 inhabitants)
54 Km SE of Lucca (89046 inhabitants)
54 Km E of Pisa (89158 inhabitants)
59 Km E of Livorno (159219 inhabitants)
69 Km W of Arezzo (99543 inhabitants)
72 Km E of Viareggio (62467 inhabitants)
89 Km SE of Massa (69479 inhabitants)
90 Km N of Grosseto (82087 inhabitants)
95 Km SE of Carrara (63133 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 2024-03-25
18:03:58
43.567 11.045 10 2024-03-25
18:10:08
Sala Sismica INGV-Roma 126159351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 18:03:58 ± 0.14
Latitude 43.5670 ± 0.0063
Longitude 11.0450 ± 0.0112
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 126159351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 958
Semi-minor axis of confidence ellipse (meter) 485
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 20
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59175
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 126159351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 18:10:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2024-03-25T18:04:17.96 3.0 undecidable manual S -0.06 0
GU.MAIM.HHZ. 2024-03-25T18:04:16.83 0.6 undecidable manual S 311 58.6968 50 -0.63 41
IV.MPPT.EHZ. 2024-03-25T18:04:13.07 0.6 undecidable manual S 5 43.4232 50 -0.34 46
IV.PII.HHZ. 2024-03-25T18:04:13.18 0.6 undecidable manual S 293 45.1215 50 -0.68 41
IV.BOSL.HHZ. 2024-03-25T18:04:13.95 0.6 undecidable manual S 33 48.2184 50 -0.73 40
IV.FROS.CHZ. 2024-03-25T18:04:12.17 0.6 undecidable manual S 167 40.626 50 -0.48 45
IV.BDI.HHZ. 2024-03-25T18:04:11.29 1.0 positive manual P 327 65.6898 50 0.54 21
GU.MAIM.HHZ. 2024-03-25T18:04:10.00 0.1 undecidable manual P 311 58.6968 50 0.34 90
IV.VMGN.HHN. 2024-03-25T18:04:10.21 0.1 undecidable manual P 42 58.0974 50 0.64 82
IV.LOCA.HHZ. 2024-03-25T18:04:10.42 0.6 undecidable manual S 149 33.8439 50 -0.41 46
IV.BOSL.HHZ. 2024-03-25T18:04:08.25 0.1 undecidable manual P 33 48.2184 50 0.2 94
IV.FROS.CHZ. 2024-03-25T18:04:07.10 0.1 undecidable manual P 167 40.626 50 0.22 95
IV.MPPT.EHZ. 2024-03-25T18:04:07.60 0.1 undecidable manual P 5 43.4232 50 0.28 93
IV.CRMI.HHZ. 2024-03-25T18:04:07.97 0.6 undecidable manual S 348 25.8519 110 -0.6 44
IV.PII.HHZ. 2024-03-25T18:04:07.89 0.1 negative manual P 293 45.1215 50 0.31 92
IV.CSNT.HHZ. 2024-03-25T18:04:06.91 0.6 undecidable manual S 118 22.2555 113 -0.5 46
IV.OSSC.HHZ. 2024-03-25T18:04:05.73 0.6 undecidable manual S 107 16.872 119 0.02 52
IV.LOCA.HHZ. 2024-03-25T18:04:05.93 1.0 positive manual P 149 33.8439 50 0.1 25
IV.CRMI.HHZ. 2024-03-25T18:04:04.42 0.1 undecidable manual P 348 25.8519 110 -0.1 100
IV.CSNT.HHZ. 2024-03-25T18:04:03.76 1.0 positive manual P 118 22.2555 113 -0.09 25
IV.OSSC.HHZ. 2024-03-25T18:04:02.96 0.3 negative manual P 107 16.872 119 0.09 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:1.6 0.0003195 1.2 AML other m 2024-03-25T18:04:05.89
IV.OSSC.HHN. ML:1.5 0.0003015 0.16 AML other m 2024-03-25T18:04:06.52
IV.CSNT.HHE. ML:1.0 0.00007384999999999999 0.36 AML other m 2024-03-25T18:04:07.16
IV.CSNT.HHN. ML:1.2 0.0000996 0.84 AML other m 2024-03-25T18:04:07.81
IV.CRMI.HHN. ML:1.3 0.00010395000000000002 0.62 AML other m 2024-03-25T18:04:08.57
IV.CRMI.HHE. ML:1.0 0.00006175 0.3 AML other m 2024-03-25T18:04:08.19
IV.LOCA.HHE. ML:1.2 0.00007694999999999999 0.5 AML other m 2024-03-25T18:04:11.25
IV.LOCA.HHN. ML:1.2 0.00006819999999999999 0.38 AML other m 2024-03-25T18:04:12.18
IV.FROS.CHE. ML:1.5 0.00010095 0.88 AML other m 2024-03-25T18:04:13.69
IV.FROS.CHN. ML:1.3 0.00007209999999999999 0.46 AML other m 2024-03-25T18:04:14.70
IV.PII.HHE. ML:1.3 0.00006335000000000001 0.64 AML other m 2024-03-25T18:04:14.78
IV.PII.HHN. ML:1.4 0.00008 0.28 AML other m 2024-03-25T18:04:14.92
IV.BDI.HHN. ML:1.3 0.000037699999999999995 1 AML other m 2024-03-25T18:04:22.18
IV.BDI.HHE. ML:1.1 0.000026949999999999998 1.12 AML other m 2024-03-25T18:04:24.63
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