Earthquake with magnitude of ML 1.4 on date 03-02-2023 and time 19:56:03 (Italy) in region 3 km W Sambuca Pistoiese (PT)

A magnitude ML 1.4 earthquake occured in region: 3 km W Sambuca Pistoiese (PT), on

  • 03-02-2023 18:56:03 (UTC)
  • 03-02-2023 19:56:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1080, 10.9600 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 3 1626 1626
Alto Reno Terme BO 6 6960 8586
Lizzano in Belvedere BO 8 2212 10798
Castel di Casio BO 9 3448 14246
Gaggio Montano BO 10 4878 19124
Camugnano BO 12 1885 21009
San Marcello Pistoiese PT 15 6416 27425
Cantagallo PO 15 3105 30530
Castiglione dei Pepoli BO 16 5648 36178
Cutigliano PT 16 1488 37666
Vernio PO 17 6060 43726
Fanano MO 17 2989 46715
Piteglio PT 18 1683 48398
Montese MO 18 3353 51751
Pistoia PT 20 90315 142066
Castel d'Aiano BO 20 1906 143972
Montale PT 20 10737 154709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Pistoia (90315 inhabitants)
27 Km NW of Prato (191150 inhabitants)
43 Km NW of Scandicci (50609 inhabitants)
44 Km NW of Firenze (382808 inhabitants)
47 Km NE of Lucca (89046 inhabitants)
53 Km SW of Bologna (386663 inhabitants)
60 Km S of Modena (184973 inhabitants)
62 Km NE of Pisa (89158 inhabitants)
63 Km E of Viareggio (62467 inhabitants)
66 Km E of Massa (69479 inhabitants)
66 Km W of Imola (69797 inhabitants)
69 Km E of Carrara (63133 inhabitants)
71 Km SE of Reggio nell'Emilia (171345 inhabitants)
75 Km S of Carpi (70699 inhabitants)
76 Km W of Faenza (58541 inhabitants)
81 Km NE of Livorno (159219 inhabitants)
87 Km W of Forlì (117913 inhabitants)
90 Km E of La Spezia (93959 inhabitants)
92 Km SE of Parma (192836 inhabitants)
93 Km NW of Siena (53903 inhabitants)
97 Km SW of Ferrara (133155 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 1.4 2023-02-03
18:56:03
44.1075 10.9603 10 2024-03-01
17:17:58
Bollettino Sismico Italiano INGV 115317311
Reviewed
Rev100
ML 1.5 2023-02-03
18:56:03
44.105 10.9593 10 2023-02-03
19:06:10
Sala Sismica INGV-Roma 114021661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 18:56:03 ± 0.08
Latitude 44.1075 ± 0.0054
Longitude 10.9603 ± 0.0063
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115317311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 476
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.49643
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 114021661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 19:06:10

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 115317311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-13 11:58:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHN. 2023-02-03T18:56:16.83 0.6 undecidable manual S 312 40.0266 50 -0.08 48
IV.CRMI.HHZ. 2023-02-03T18:56:15.33 0.6 undecidable manual S 177 34.6431 50 -0.13 48
IV.ZCCA.HHZ. 2023-02-03T18:56:13.88 0.6 undecidable manual S 3 27.0507 50 0.45 46
IV.BDI.HHZ. 2023-02-03T18:56:13.65 0.6 undecidable manual S 260 29.4483 50 -0.44 46
IV.PII.HHZ. 2023-02-03T18:56:13.37 0.3 undecidable manual P 219 55.1004 50 -0.18 69
IV.MPPT.EHZ. 2023-02-03T18:56:11.14 0.3 undecidable manual S 148 19.5693 116 0.09 75
IV.MOCL.EHZ. 2023-02-03T18:56:11.35 0.6 undecidable manual S 123 20.9679 115 -0.12 49
GU.GSCL.HHN. 2023-02-03T18:56:11.03 0.3 undecidable manual P 312 40.0266 50 -0.19 71
GU.POPM.HHZ. 2023-02-03T18:56:10.73 0.3 undecidable manual S 247 17.6712 119 0.27 72
IV.CRMI.HHZ. 2023-02-03T18:56:10.98 0.3 undecidable manual P 177 34.6431 50 0.59 64
IV.BDI.HHZ. 2023-02-03T18:56:09.13 0.3 undecidable manual P 260 29.4483 50 -0.46 68
IV.ZCCA.HHZ. 2023-02-03T18:56:09.68 0.3 undecidable manual P 3 27.0507 50 0.46 68
IV.FNVD.HHZ. 2023-02-03T18:56:09.29 0.3 undecidable manual S 63 14.5743 124 -0.25 73
IV.MOCL.EHZ. 2023-02-03T18:56:08.02 0.1 undecidable manual P 123 20.9679 115 -0.06 100
GU.POPM.HHZ. 2023-02-03T18:56:07.61 0.3 undecidable manual P 247 17.6712 119 0.11 75
IV.MPPT.EHZ. 2023-02-03T18:56:07.92 0.1 negative manual P 148 19.5693 116 0.08 100
IV.FNVD.HHZ. 2023-02-03T18:56:06.86 0.1 undecidable manual P 63 14.5743 124 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:1.7 0.0005409999999999999 1.7 AML other m 2023-02-03T18:56:10.06
IV.FNVD.HHE. ML:1.6 0.0003805 0.34 AML other m 2023-02-03T18:56:10.28
IV.MPPT.EHE. ML:1.3 0.00015899999999999996 0.44 AML other m 2023-02-03T18:56:11.14
IV.MPPT.EHN. ML:1.4 0.00017649999999999998 0.44 AML other m 2023-02-03T18:56:11.42
IV.BDI.HHE. ML:1.4 0.0001285 1.84 AML other m 2023-02-03T18:56:13.95
IV.BDI.HHN. ML:1.5 0.00015849999999999998 1.28 AML other m 2023-02-03T18:56:14.98
IV.ZCCA.HHE. ML:1.4 0.000135 0.42 AML other m 2023-02-03T18:56:15.62
IV.ZCCA.HHN. ML:1.2 0.00008825 1.08 AML other m 2023-02-03T18:56:16.61
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