Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 09-01-2024 and time 22:10:48 (Italy) in region 7 km W Sambuca Pistoiese (PT)

A magnitude ML 1.6 earthquake occured in region: 7 km W Sambuca Pistoiese (PT), on

  • 09-01-2024 21:10:48 (UTC)
  • 09-01-2024 22:10:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0870, 10.9130 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sambuca Pistoiese PT 7 1626 1626
Lizzano in Belvedere BO 9 2212 3838
Alto Reno Terme BO 9 6960 10798
San Marcello Pistoiese PT 10 6416 17214
Cutigliano PT 13 1488 18702
Gaggio Montano BO 13 4878 23580
Castel di Casio BO 13 3448 27028
Piteglio PT 13 1683 28711
Fanano MO 16 2989 31700
Camugnano BO 17 1885 33585
Cantagallo PO 17 3105 36690
Pistoia PT 17 90315 127005
Montale PT 19 10737 137742
Sestola MO 20 2508 140250
Vernio PO 20 6060 146310

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km N of Pistoia (90315 inhabitants)
27 Km NW of Prato (191150 inhabitants)
42 Km NW of Scandicci (50609 inhabitants)
43 Km NE of Lucca (89046 inhabitants)
45 Km NW of Firenze (382808 inhabitants)
57 Km SW of Bologna (386663 inhabitants)
58 Km NE of Pisa (89158 inhabitants)
58 Km E of Viareggio (62467 inhabitants)
62 Km E of Massa (69479 inhabitants)
62 Km S of Modena (184973 inhabitants)
65 Km E of Carrara (63133 inhabitants)
71 Km W of Imola (69797 inhabitants)
72 Km SE of Reggio nell'Emilia (171345 inhabitants)
77 Km NE of Livorno (159219 inhabitants)
78 Km S of Carpi (70699 inhabitants)
81 Km W of Faenza (58541 inhabitants)
87 Km E of La Spezia (93959 inhabitants)
91 Km W of Forlì (117913 inhabitants)
92 Km NW of Siena (53903 inhabitants)
92 Km SE of Parma (192836 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 1.6 2024-01-09
21:10:48		 44.087 10.9133 11 2024-01-09
21:23:01		 Sala Sismica INGV-Roma 124564371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-09 21:10:48 ± 0.09
Latitude 44.0870 ± 0.0063
Longitude 10.9133 ± 0.0050
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 124564371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 707
Semi-minor axis of confidence ellipse (meter) 138
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 1.57741
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 124564371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-09 21:23:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-01-09T21:11:17.54 0.3 undecidable manual P 111 175.0914 50 0.22 51
GU.EQUI.HHZ. 2024-01-09T21:11:07.78 0.6 undecidable manual S 278 61.1943 50 0.06 45
IV.PII.HHZ. 2024-01-09T21:11:04.50 0.6 undecidable manual S 218 51.0156 50 -0.52 40
IV.VISG.HHZ. 2024-01-09T21:11:03.10 0.6 undecidable manual S 75 43.0236 50 0.23 47
IV.SFI.HNZ. 2024-01-09T21:11:02.80 0.6 undecidable manual P 105 77.1672 50 0.55 41
MN.VLC.HHZ. 2024-01-09T21:11:02.56 0.6 undecidable manual S 281 42.7239 50 -0.24 44
GU.MAIM.HHZ. 2024-01-09T21:11:01.22 0.6 undecidable manual S 240 38.8278 50 -0.53 41
IV.SEI.HHZ. 2024-01-09T21:11:00.62 0.6 undecidable manual S 96 35.6421 50 -0.3 44
GU.CARD.HHZ. 2024-01-09T21:11:00.47 0.6 undecidable manual S 259 35.0427 50 -0.28 44
IV.CRMI.HHZ. 2024-01-09T21:11:00.50 0.6 undecidable manual S 171 32.745 50 0.36 47
GU.EQUI.HHZ. 2024-01-09T21:11:00.71 0.6 undecidable manual P 278 61.1943 50 0.94 37
IV.ZCCA.HHZ. 2024-01-09T21:11:00.21 0.6 undecidable manual S 10 29.6481 50 0.89 41
IV.PII.HHZ. 2024-01-09T21:10:58.22 1.0 undecidable manual P 218 51.0156 50 0.01 23
IV.MOCL.EHZ. 2024-01-09T21:10:57.42 0.6 undecidable manual S 113 23.1546 50 -0.16 47
IV.BDI.HHZ. 2024-01-09T21:10:57.77 0.6 undecidable manual S 264 25.4523 50 -0.42 43
MN.VLC.HHZ. 2024-01-09T21:10:57.35 0.6 negative manual P 281 42.7239 50 0.42 45
GU.GSCL.HHZ. 2024-01-09T21:10:56.45 0.1 undecidable manual P 319 39.0276 50 0.09 96
IV.VISG.HHZ. 2024-01-09T21:10:56.73 0.6 undecidable manual P 75 43.0236 50 -0.24 44
GU.CARD.HHZ. 2024-01-09T21:10:56.21 0.3 undecidable manual P 259 35.0427 50 0.46 68
IV.FNVD.HHZ. 2024-01-09T21:10:55.60 0.6 undecidable manual S 62 18.9699 50 -0.85 37
GU.MAIM.HHZ. 2024-01-09T21:10:55.96 0.3 undecidable manual P 240 38.8278 50 -0.37 66
IV.ZCCA.HHZ. 2024-01-09T21:10:55.16 1.0 positive manual P 10 29.6481 50 0.23 24
IV.SEI.HHZ. 2024-01-09T21:10:55.82 0.3 undecidable manual P 96 35.6421 50 -0.02 71
IV.CRMI.HHZ. 2024-01-09T21:10:55.52 0.3 undecidable manual P 171 32.745 50 0.13 73
GU.POPM.HHZ. 2024-01-09T21:10:54.98 0.6 undecidable manual S 250 13.3755 129 0.07 50
IV.PSL.EHZ. 2024-01-09T21:10:54.26 0.6 undecidable manual S 172 8.7801 141 0.47 46
IV.MOCL.EHZ. 2024-01-09T21:10:53.79 0.3 negative manual P 113 23.1546 50 -0.13 71
IV.BDI.HHZ. 2024-01-09T21:10:53.87 0.1 positive manual P 264 25.4523 50 -0.41 88
IV.FNVD.HHZ. 2024-01-09T21:10:52.78 0.1 undecidable manual P 62 18.9699 50 -0.48 87
GU.POPM.HHZ. 2024-01-09T21:10:52.36 0.1 undecidable manual P 250 13.3755 129 -0.01 100
IV.PSL.EHZ. 2024-01-09T21:10:51.98 0.1 undecidable manual P 172 8.7801 141 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BDI.HHE. ML:1.8 0.00036449999999999997 0.42 AML other m 2024-01-09T21:10:58.21
IV.BDI.HHN. ML:1.8 0.0003645 0.6 AML other m 2024-01-09T21:10:58.18
IV.MOCL.EHN. ML:1.5 0.000178 0.42 AML other m 2024-01-09T21:10:58.63
IV.MOCL.EHE. ML:1.4 0.000154 1.16 AML other m 2024-01-09T21:10:59.60
IV.SEI.HHN. ML:1.7 0.00019600000000000002 1.58 AML other m 2024-01-09T21:11:05.99
IV.SEI.HHE. ML:1.5 0.0001265 1.66 AML other m 2024-01-09T21:11:06.04
IV.PII.HHE. ML:1.8 0.000146 0.32 AML other m 2024-01-09T21:11:07.51
IV.PII.HHN. ML:1.7 0.000136 0.8 AML other m 2024-01-09T21:11:08.56
IV.BDI.HNE. ML:1.8 0.000335431 0.1664 AML other m 2024-01-09T21:10:58.20
IV.BDI.HNN. ML:1.6 0.0002489842 0.2944 AML other m 2024-01-09T21:10:58.48
GU.MAIM.HHE. ML:1.3 0.00007060348 0.2816 AML other m 2024-01-09T21:11:03.07
GU.MAIM.HHN. ML:1.2 0.000055171934999999995 0.2304 AML other m 2024-01-09T21:11:03.64
GU.CARD.HHE. ML:1.5 0.00012282425 0.128 AML other m 2024-01-09T21:11:01.03
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