Earthquake with magnitude of ML 2.2 on date 16-04-2024 and time 20:11:18 (Italy) in region 3 km E Poggibonsi (SI)

A magnitude ML 2.2 earthquake occured in region: 3 km E Poggibonsi (SI), on

  • 16-04-2024 18:11:18 (UTC)
  • 16-04-2024 20:11:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4790, 11.1840 at 8 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
Poggibonsi SI 3 29196 29196
Barberino Val d'Elsa FI 7 4386 33582
Colle di Val d'Elsa SI 8 21620 55202
Castellina in Chianti SI 8 2859 58061
Tavarnelle Val di Pesa FI 9 7800 65861
Monteriggioni SI 10 9810 75671
San Gimignano SI 11 7820 83491
Certaldo FI 14 16121 99612
Radda in Chianti SI 16 1613 101225
Greve in Chianti FI 16 13862 115087
Casole d'Elsa SI 19 3897 118984
Gambassi Terme FI 20 4870 123854
San Casciano in Val di Pesa FI 20 17062 140916

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Siena (53903 inhabitants)
31 Km S of Scandicci (50609 inhabitants)
33 Km S of Firenze (382808 inhabitants)
45 Km S of Prato (191150 inhabitants)
55 Km SE of Pistoia (90315 inhabitants)
57 Km W of Arezzo (99543 inhabitants)
68 Km SE of Lucca (89046 inhabitants)
68 Km E of Pisa (89158 inhabitants)
71 Km E of Livorno (159219 inhabitants)
80 Km N of Grosseto (82087 inhabitants)
87 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 2.2 2024-04-16
18:11:18
43.4787 11.1837 8 2024-04-16
18:19:33
Sala Sismica INGV-Roma 126808091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-16 18:11:18 ± 0.08
Latitude 43.4787 ± 0.0036
Longitude 11.1837 ± 0.0074
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126808091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 335
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82198
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 19
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 126808091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-16 18:19:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-04-16T18:12:03.56 3.0 undecidable manual S 2.84 0
IV.PARC.HHZ. 2024-04-16T18:11:45.73 3.0 undecidable manual S -0.74 0
IV.SEI.HHZ. 2024-04-16T18:11:40.33 3.0 undecidable manual S -0.14 0
IV.CRE.HHZ. 2024-04-16T18:11:39.23 0.6 undecidable manual S 76 63.6918 50 0.04 45
IV.CAFI.HHZ. 2024-04-16T18:11:38.90 0.6 undecidable manual S 104 65.1903 50 -0.7 38
IV.ATMI.HHZ. 2024-04-16T18:11:36.79 3.0 negative manual P 2.06 0
IV.BOSL.HHZ. 2024-04-16T18:11:36.15 0.3 undecidable manual S 17 52.4031 50 -0.04 69
IV.SACS.HHZ. 2024-04-16T18:11:35.35 0.1 undecidable manual P 140 91.242 50 0.44 79
IV.RUFI.EHZ. 2024-04-16T18:11:34.70 0.3 undecidable manual S 33 47.619 50 -0.22 68
TV.SF11.HHZ. 2024-04-16T18:11:33.17 0.1 undecidable manual P 149 78.6657 50 0.21 85
IV.BDI.HHZ. 2024-04-16T18:11:33.74 3.0 positive manual P 0.01 0
IV.ARCI.HHZ. 2024-04-16T18:11:32.08 0.1 undecidable manual P 161 73.4709 50 -0.08 88
IV.SFI.EHZ. 2024-04-16T18:11:32.02 0.6 undecidable manual P 48 71.1732 50 0.21 43
GU.MAIM.HHZ. 2024-04-16T18:11:32.39 0.3 undecidable manual P 311 73.4709 50 0.22 64
IV.CRE.HHZ. 2024-04-16T18:11:31.21 0.3 undecidable manual P 76 63.6918 50 0.56 60
IV.SEI.HHZ. 2024-04-16T18:11:31.23 3.0 negative manual P 0.17 0
IV.CRMI.HHZ. 2024-04-16T18:11:31.94 0.3 undecidable manual S 335 38.8278 50 -0.61 62
GU.POPM.HHZ. 2024-04-16T18:11:31.68 3.0 positive manual P -0.59 0
IV.CAFI.HHZ. 2024-04-16T18:11:30.85 0.3 undecidable manual P 104 65.1903 50 -0.04 68
IV.PII.HHZ. 2024-04-16T18:11:30.06 0.3 positive manual P 297 59.3961 50 0.06 68
IV.RIBO.EHZ.01 2024-04-16T18:11:30.68 0.6 undecidable manual P 191 59.7957 50 0.62 40
IV.VMGN.HHZ. 2024-04-16T18:11:30.45 0.6 positive manual P 28 59.6958 50 0.4 42
IV.FROS.CHZ. 2024-04-16T18:11:29.18 0.6 undecidable manual S 184 29.9478 105 -0.54 43
IV.MPPT.EHZ. 2024-04-16T18:11:29.22 0.6 undecidable manual P 352 53.6019 50 0.11 46
IV.BOSL.HHZ. 2024-04-16T18:11:28.78 0.6 positive manual P 17 52.4031 50 -0.14 45
IV.RUFI.EHZ. 2024-04-16T18:11:27.99 0.1 undecidable manual P 33 47.619 50 -0.2 91
IV.TRIF.CHZ. 2024-04-16T18:11:27.86 0.1 negative manual P 209 46.3203 50 -0.12 92
IV.CRMI.HHZ. 2024-04-16T18:11:26.66 0.6 positive manual P 335 38.8278 50 -0.16 46
IV.LOCA.HHZ. 2024-04-16T18:11:26.26 0.6 undecidable manual S 162 20.1687 111 -0.22 47
IV.FROS.CHZ. 2024-04-16T18:11:25.22 0.1 positive manual P 184 29.9478 105 0.03 97
IV.LOCA.HHZ. 2024-04-16T18:11:23.21 0.1 positive manual P 162 20.1687 111 -0.11 97
IV.OSSC.HHZ. 2024-04-16T18:11:22.72 0.3 undecidable manual S 45 7.0929 138 0.09 75
IV.CSNT.HHN. 2024-04-16T18:11:22.74 0.1 undecidable manual S 94 8.5803 132 -0.27 96
IV.CSNT.HHN. 2024-04-16T18:11:21.36 0.1 undecidable manual P 94 8.5803 132 0.05 100
IV.OSSC.HHZ. 2024-04-16T18:11:21.35 0.1 undecidable manual P 45 7.0929 138 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LOCA.HNN. ML:2.3 0.001495 0.22 AML other m 2024-04-16T18:11:26.29
IV.LOCA.HHN. ML:2.3 0.001445 0.2 AML other m 2024-04-16T18:11:26.30
IV.LOCA.HNE. ML:2.3 0.001625 0.76 AML other m 2024-04-16T18:11:27.49
IV.LOCA.HHE. ML:2.3 0.0015550000000000002 0.76 AML other m 2024-04-16T18:11:27.50
IV.TRIF.CHE. ML:2.2 0.0005395 0.48 AML other m 2024-04-16T18:11:35.00
IV.TRIF.CHN. ML:2.3 0.000604 0.16 AML other m 2024-04-16T18:11:35.44
IV.BOSL.HHN. ML:2.0 0.0002475 0.16 AML other m 2024-04-16T18:11:36.55
IV.BOSL.HHE. ML:2.2 0.00036899999999999997 0.18 AML other m 2024-04-16T18:11:36.46
IV.MPPT.EHN. ML:2.0 0.0002605 0.3 AML other m 2024-04-16T18:11:37.42
IV.MPPT.EHE. ML:2.2 0.00035450000000000005 0.48 AML other m 2024-04-16T18:11:37.48
IV.CAFI.HHN. ML:1.8 0.00011949999999999999 0.18 AML other m 2024-04-16T18:11:39.15
IV.PII.HHE. ML:2.0 0.000214 0.88 AML other m 2024-04-16T18:11:39.25
IV.CAFI.HHE. ML:1.8 0.0001129 0.22 AML other m 2024-04-16T18:11:39.70
IV.CRE.HHE. ML:2.3 0.0003845 0.28 AML other m 2024-04-16T18:11:39.70
IV.PII.HHN. ML:2.0 0.000191 1.04 AML other m 2024-04-16T18:11:39.31
IV.CRE.HHN. ML:2.4 0.0004425 1.22 AML other m 2024-04-16T18:11:40.94
IV.SEI.HHE. ML:2.1 0.000236 1.06 AML other m 2024-04-16T18:11:42.56
GU.POPM.HHE. ML:1.9 0.00011899999999999999 0.54 AML other m 2024-04-16T18:11:43.65
GU.POPM.HHN. ML:2.0 0.00015 1.64 AML other m 2024-04-16T18:11:45.03
IV.SEI.HHN. ML:2.4 0.00048650000000000006 0.4 AML other m 2024-04-16T18:11:45.53
IV.CAFI.HNE. ML:2.3 0.0003515 0.46 AML other m 2024-04-16T18:11:45.37
IV.CAFI.HNN. ML:2.5 0.000629 0.4 AML other m 2024-04-16T18:11:49.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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