Earthquake with magnitude of ML 1.2 on date 29-01-2023 and time 03:04:30 (Italy) in region 4 km NE Sambuca Pistoiese (PT)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Sambuca Pistoiese (PT), on

  • 29-01-2023 02:04:30 (UTC)
  • 29-01-2023 03:04:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1320, 11.0260 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Sambuca Pistoiese PT 4 1626 1626
Castel di Casio BO 4 3448 5074
Alto Reno Terme BO 5 6960 12034
Camugnano BO 7 1885 13919
Castiglione dei Pepoli BO 10 5648 19567
Gaggio Montano BO 10 4878 24445
Lizzano in Belvedere BO 11 2212 26657
Cantagallo PO 13 3105 29762
Vernio PO 14 6060 35822
Montese MO 17 3353 39175
Castel d'Aiano BO 17 1906 41081
Grizzana Morandi BO 17 3916 44997
Vergato BO 18 7639 52636
San Benedetto Val di Sambro BO 19 4315 56951
Vaiano PO 20 9895 66846

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Pistoia (90315 inhabitants)
28 Km N of Prato (191150 inhabitants)
43 Km NW of Scandicci (50609 inhabitants)
44 Km NW of Firenze (382808 inhabitants)
48 Km SW of Bologna (386663 inhabitants)
53 Km NE of Lucca (89046 inhabitants)
58 Km S of Modena (184973 inhabitants)
60 Km W of Imola (69797 inhabitants)
68 Km NE of Pisa (89158 inhabitants)
69 Km E of Viareggio (62467 inhabitants)
70 Km SE of Reggio nell'Emilia (171345 inhabitants)
71 Km W of Faenza (58541 inhabitants)
71 Km E of Massa (69479 inhabitants)
73 Km S of Carpi (70699 inhabitants)
74 Km E of Carrara (63133 inhabitants)
82 Km W of Forlì (117913 inhabitants)
86 Km NE of Livorno (159219 inhabitants)
92 Km SW of Ferrara (133155 inhabitants)
93 Km SE of Parma (192836 inhabitants)
94 Km N of Siena (53903 inhabitants)
96 Km E of La Spezia (93959 inhabitants)
97 Km W of Cesena (96758 inhabitants)
99 Km W of Ravenna (159116 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
Bulletin
Rev1000
ML 1.2 2023-01-29
02:04:30
44.1318 11.0263 10 2024-03-01
17:17:55
Bollettino Sismico Italiano INGV 114435661
Reviewed
Rev100
ML 1.4 2023-01-29
02:04:29
44.0692 11.0788 11 2023-01-29
02:10:53
Sala Sismica INGV-Roma 113870341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-29 02:04:30 ± 0.06
Latitude 44.1318 ± 0.0036
Longitude 11.0263 ± 0.0038
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114435661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 401
Semi-minor axis of confidence ellipse (meter) 268
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.54589
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 113870341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-29 02:10:53

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 114435661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-14 14:21:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.SARM.EHN. 2023-01-29T02:04:45.97 0.6 undecidable manual S 277 50.1165 50 -0.12 46
GU.CARD.HHZ. 2023-01-29T02:04:44.83 0.6 undecidable manual S 255 44.9217 50 0.12 46
GU.GSCL.HHN. 2023-01-29T02:04:43.95 0.6 undecidable manual S 305 42.4242 50 -0.09 46
IV.CRMI.HNN. 2023-01-29T02:04:42.78 0.6 undecidable manual S 186 37.5291 50 0.06 47
IV.BOSL.HHE. 2023-01-29T02:04:42.44 0.6 undecidable manual S 129 35.6421 50 0.22 46
IV.BDI.HHZ. 2023-01-29T02:04:41.91 0.3 undecidable manual S 258 35.1426 50 -0.19 69
IV.ERBM.EHE. 2023-01-29T02:04:41.00 0.3 undecidable manual P 303 58.2972 50 0.44 63
IV.PII.HHZ. 2023-01-29T02:04:40.74 0.6 undecidable manual P 222 60.5949 50 -0.19 44
IV.SEI.HHZ. 2023-01-29T02:04:39.80 0.6 undecidable manual S 108 27.8499 50 -0.34 45
GU.SARM.EHN. 2023-01-29T02:04:39.26 0.1 undecidable manual P 277 50.1165 50 -0.05 93
GU.MAIM.HHZ. 2023-01-29T02:04:39.41 0.3 undecidable manual P 241 49.1175 50 0.26 67
GU.POPM.HHZ. 2023-01-29T02:04:38.83 0.6 undecidable manual S 246 23.5542 113 -0.11 48
GU.GSCL.HHN. 2023-01-29T02:04:38.03 0.1 undecidable manual P 305 42.4242 50 -0.1 93
GU.CARD.HHZ. 2023-01-29T02:04:38.96 0.6 undecidable manual P 255 44.9217 50 0.45 43
IV.CRMI.HNN. 2023-01-29T02:04:37.68 0.1 undecidable manual P 186 37.5291 50 0.31 90
IV.MPPT.EHN. 2023-01-29T02:04:37.86 0.6 undecidable manual S 165 19.9689 117 0.03 49
IV.BOSL.HHE. 2023-01-29T02:04:36.75 0.1 undecidable manual P 129 35.6421 50 -0.32 90
IV.BDI.HHZ. 2023-01-29T02:04:36.65 0.3 undecidable manual P 258 35.1426 50 -0.36 67
GU.POPM.HHZ. 2023-01-29T02:04:35.01 0.3 undecidable manual P 246 23.5542 113 -0.17 71
IV.SEI.HHZ. 2023-01-29T02:04:35.95 0.1 undecidable manual P 108 27.8499 50 0.07 96
IV.ZCCA.HHZ. 2023-01-29T02:04:35.51 0.1 undecidable manual P 351 24.5532 50 0.13 95
IV.FNVD.HHZ. 2023-01-29T02:04:34.58 0.6 undecidable manual S 63 8.6802 140 -0.09 50
IV.MPPT.EHN. 2023-01-29T02:04:34.58 0.1 undecidable manual P 165 19.9689 117 0.04 98
IV.FNVD.HHZ. 2023-01-29T02:04:32.73 0.1 negative manual P 63 8.6802 140 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.POPM.HHN. ML:1.4 0.00014800000000000002 0.14 AML other m 2023-01-29T02:04:39.30
GU.POPM.HHE. ML:1.2 0.00009775 0.94 AML other m 2023-01-29T02:04:39.51
IV.BDI.HHN. ML:1.0 0.000043299999999999995 1.58 AML other m 2023-01-29T02:04:44.07
IV.BDI.HHE. ML:1.1 0.0000493 0.42 AML other m 2023-01-29T02:04:47.45
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