Earthquake with magnitude of ML 1.8 on date 10-03-2024 and time 21:19:34 (Italy) in region 1 km NE Certaldo (FI)

A magnitude ML 1.8 earthquake occured in region: 1 km NE Certaldo (FI), on

  • 10-03-2024 20:19:34 (UTC)
  • 10-03-2024 21:19:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5580, 11.0470 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 1 16121 16121
Gambassi Terme FI 8 4870 20991
Castelfiorentino FI 8 17504 38495
Montespertoli FI 10 13537 52032
San Gimignano SI 10 7820 59852
Barberino Val d'Elsa FI 10 4386 64238
Tavarnelle Val di Pesa FI 10 7800 72038
Montaione FI 11 3700 75738
Poggibonsi SI 13 29196 104934
San Casciano in Val di Pesa FI 16 17062 121996
Colle di Val d'Elsa SI 16 21620 143616
Montelupo Fiorentino FI 19 14098 157714
Empoli FI 20 48109 205823

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SW of Scandicci (50609 inhabitants)
29 Km SW of Firenze (382808 inhabitants)
35 Km NW of Siena (53903 inhabitants)
36 Km S of Prato (191150 inhabitants)
43 Km S of Pistoia (90315 inhabitants)
54 Km SE of Lucca (89046 inhabitants)
55 Km E of Pisa (89158 inhabitants)
59 Km E of Livorno (159219 inhabitants)
68 Km W of Arezzo (99543 inhabitants)
73 Km E of Viareggio (62467 inhabitants)
89 Km N of Grosseto (82087 inhabitants)
90 Km SE of Massa (69479 inhabitants)
96 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 1.8 2024-03-10
20:19:34
43.5577 11.047 11 2024-03-10
20:25:31
Sala Sismica INGV-Roma 125817901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-10 20:19:34 ± 0.16
Latitude 43.5577 ± 0.0063
Longitude 11.0470 ± 0.0087
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125817901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 704
Semi-minor axis of confidence ellipse (meter) 446
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.70507
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 125817901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-10 20:25:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GRAM.HHZ. 2024-03-10T20:20:15.29 3.0 undecidable manual S 1.38 0
IV.LMD.HHZ. 2024-03-10T20:19:57.51 0.6 undecidable manual S 42 78.2661 50 -0.33 43
IV.CAFI.HHZ. 2024-03-10T20:19:57.92 0.6 undecidable manual S 109 78.2661 50 0.07 45
IV.CRE.HHZ. 2024-03-10T20:19:56.51 0.3 undecidable manual S 84 72.9714 50 0.06 68
GU.MAIM.HHZ. 2024-03-10T20:19:52.11 0.3 undecidable manual S 312 59.496 50 -0.72 59
IV.MOCL.EHZ. 2024-03-10T20:19:50.17 0.6 undecidable manual S 12 50.7159 50 -0.34 45
IV.TRIF.CHZ. 2024-03-10T20:19:50.41 0.3 undecidable manual S 193 50.5161 50 -0.03 72
IV.BOSL.HHZ. 2024-03-10T20:19:50.02 0.6 undecidable manual S 32 49.0176 50 -0.02 48
IV.RUFI.EHZ. 2024-03-10T20:19:49.08 0.6 undecidable manual S 50 48.4182 50 -0.8 39
IV.PII.HHZ. 2024-03-10T20:19:48.46 0.3 undecidable manual S 294 45.7209 50 -0.7 61
IV.CRE.HHZ. 2024-03-10T20:19:48.08 0.6 positive manual P 84 72.9714 50 0.97 34
IV.LMD.HHZ. 2024-03-10T20:19:48.39 0.6 negative manual P 42 78.2661 50 0.48 41
IV.FROS.CHZ. 2024-03-10T20:19:47.15 0.6 undecidable manual S 167 39.627 50 -0.38 45
IV.CAFI.HHZ. 2024-03-10T20:19:47.98 1.0 negative manual P 109 78.2661 50 0.05 23
IV.BDI.HHZ. 2024-03-10T20:19:46.55 0.6 negative manual P 327 66.6777 50 0.41 43
GU.POPM.HHZ. 2024-03-10T20:19:46.29 1.0 positive manual P 337 58.7967 50 1.36 14
GU.CARD.HHZ. 2024-03-10T20:19:46.73 0.6 positive manual P 319 68.8755 50 0.25 44
IV.SEI.HHZ. 2024-03-10T20:19:46.65 0.1 undecidable manual P 24 60.495 50 1.47 54
IV.VMGN.HHZ. 2024-03-10T20:19:45.16 0.1 undecidable manual P 41 58.7967 50 0.24 90
IV.LOCA.HHZ. 2024-03-10T20:19:45.26 0.6 undecidable manual S 148 32.8449 50 -0.46 45
GU.MAIM.HHZ. 2024-03-10T20:19:45.24 0.1 undecidable manual P 312 59.496 50 0.22 91
IV.TRIF.CHZ. 2024-03-10T20:19:44.12 1.0 negative manual P 193 50.5161 50 0.48 22
IV.BOSL.HHZ. 2024-03-10T20:19:43.58 0.6 positive manual P 32 49.0176 50 0.16 47
IV.MOCL.EHZ. 2024-03-10T20:19:43.91 1.0 positive manual P 12 50.7159 50 0.22 23
IV.CRMI.HHZ. 2024-03-10T20:19:43.16 0.6 undecidable manual S 348 26.9508 50 -0.99 37
IV.PII.HHZ. 2024-03-10T20:19:43.10 0.1 negative manual P 294 45.7209 50 0.2 93
IV.RUFI.EHZ. 2024-03-10T20:19:43.28 0.6 positive manual P 50 48.4182 50 -0.04 48
IV.CSNT.HHZ. 2024-03-10T20:19:42.08 0.6 undecidable manual S 116 21.6672 116 -0.64 43
IV.FROS.CHZ. 2024-03-10T20:19:42.32 0.1 positive manual P 167 39.627 50 0.36 91
IV.LOCA.HHZ. 2024-03-10T20:19:41.12 0.6 positive manual P 148 32.8449 50 0.2 48
IV.OSSC.HHZ. 2024-03-10T20:19:40.81 0.6 undecidable manual S 103 16.4724 122 -0.3 48
IV.CRMI.HHZ. 2024-03-10T20:19:39.66 0.6 negative manual P 348 26.9508 50 -0.36 47
IV.OSSC.HHZ. 2024-03-10T20:19:38.14 0.1 negative manual P 103 16.4724 122 -0.12 100
IV.CSNT.HHZ. 2024-03-10T20:19:38.85 0.3 negative manual P 116 21.6672 116 -0.33 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:2.0 0.0008795 0.78 AML other m 2024-03-10T20:19:41.07
IV.OSSC.HHN. ML:2.0 0.0008025 1.12 AML other m 2024-03-10T20:19:41.69
IV.CSNT.HHN. ML:1.7 0.0003205 0.56 AML other m 2024-03-10T20:19:42.57
IV.CRMI.HHE. ML:1.6 0.0002185 0.34 AML other m 2024-03-10T20:19:43.59
IV.CRMI.HHN. ML:1.8 0.0003325 1.26 AML other m 2024-03-10T20:19:44.80
IV.CSNT.HHE. ML:1.6 0.0002525 1.12 AML other m 2024-03-10T20:19:44.07
IV.LOCA.HNE. ML:1.8 0.0002935 0.32 AML other m 2024-03-10T20:19:46.43
IV.LOCA.HHE. ML:1.8 0.00028500000000000004 0.32 AML other m 2024-03-10T20:19:46.43
IV.LOCA.HNN. ML:1.9 0.000313 0.56 AML other m 2024-03-10T20:19:47.43
IV.LOCA.HHN. ML:1.8 0.0003 0.54 AML other m 2024-03-10T20:19:47.43
IV.FROS.CHE. ML:2.0 0.00033199999999999994 0.14 AML other m 2024-03-10T20:19:47.87
IV.FROS.CHN. ML:1.9 0.0002605 0.26 AML other m 2024-03-10T20:19:48.56
IV.PII.HHN. ML:1.9 0.0002125 0.24 AML other m 2024-03-10T20:19:50.03
IV.PII.HHE. ML:1.9 0.0002455 1.14 AML other m 2024-03-10T20:19:50.02
IV.BOSL.HHN. ML:1.2 0.0000475 0.2 AML other m 2024-03-10T20:19:50.77
IV.BOSL.HHE. ML:1.0 0.00002875 0.16 AML other m 2024-03-10T20:19:50.91
IV.MOCL.EHE. ML:1.7 0.00013900000000000002 1.04 AML other m 2024-03-10T20:19:51.71
IV.MOCL.EHN. ML:1.6 0.00010899999999999999 0.74 AML other m 2024-03-10T20:19:51.37
IV.CAFI.HHN. ML:1.6 0.000050900000000000004 0.42 AML other m 2024-03-10T20:19:51.91
IV.SEI.HHN. ML:2.0 0.00020449999999999998 0.22 AML other m 2024-03-10T20:19:55.13
IV.SEI.HHE. ML:1.8 0.0001155 1.2 AML other m 2024-03-10T20:19:55.80
IV.CAFI.HHE. ML:1.6 0.000058099999999999996 0.52 AML other m 2024-03-10T20:20:01.69
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