Earthquake with magnitude of ML 1.6 on date 01-02-2023 and time 13:44:39 (UTC) in region 3 km W Sambuca Pistoiese (PT)

A magnitude ML 1.6 earthquake occured in region: 3 km W Sambuca Pistoiese (PT), on

  • 01-02-2023 13:44:39 (UTC)
  • 01-02-2023 14:44:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1040, 10.9620 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 11 4878 19124
Camugnano BO 12 1885 21009
Cantagallo PO 14 3105 24114
San Marcello Pistoiese PT 15 6416 30530
Castiglione dei Pepoli BO 16 5648 36178
Cutigliano PT 16 1488 37666
Vernio PO 17 6060 43726
Fanano MO 18 2989 46715
Piteglio PT 18 1683 48398
Montese MO 18 3353 51751
Pistoia PT 19 90315 142066
Montale PT 19 10737 152803
Vaiano PO 20 9895 162698
Castel d'Aiano BO 20 1906 164604

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of Pistoia (90315 inhabitants)
27 Km NW of Prato (191150 inhabitants)
42 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)
76 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)
91 Km E of La Spezia (93959 inhabitants)
92 Km NW of Siena (53903 inhabitants)
92 Km SE of Parma (192836 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 1.6 2023-02-01
13:44:39
44.1042 10.9622 10 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 118120251
Reviewed
Rev100
ML 1.7 2023-02-01
13:44:39
44.1072 10.9635 10 2023-02-01
14:05:44
Sala Sismica INGV-Roma 113960371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 13:44:39 ± 0.05
Latitude 44.1042 ± 0.0027
Longitude 10.9622 ± 0.0025
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 118120251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 346
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.13130
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 113960371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-01 14:05:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 118120251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-05 06:49:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2023-02-01T13:45:02.05 0.3 undecidable manual S 159 74.7696 50 -0.26 65
GU.EQUI.HHZ. 2023-02-01T13:44:59.49 0.6 undecidable manual S 276 64.7907 50 -0.16 45
IV.VMGN.HHZ. 2023-02-01T13:44:55.51 1.0 undecidable manual S 110 48.4182 50 0.23 23
GU.SARM.EHZ. 2023-02-01T13:44:54.64 0.3 undecidable manual S 281 45.5211 50 0.13 70
MN.VLC.HHZ. 2023-02-01T13:44:54.80 0.6 undecidable manual S 278 46.2204 50 0.1 47
GU.GSCL.HHZ. 2023-02-01T13:44:53.26 0.3 undecidable manual S 313 40.4262 50 0.13 71
GU.MAIM.HHZ. 2023-02-01T13:44:53.87 0.3 undecidable manual S 241 43.1235 50 0.01 72
IV.CSNT.HHZ. 2023-02-01T13:44:52.82 1.0 undecidable manual P 159 74.7696 50 0.05 22
IV.BOSL.HHZ. 2023-02-01T13:44:52.68 0.6 undecidable manual S 120 38.0286 50 0.16 47
GU.CARD.HHZ. 2023-02-01T13:44:52.42 0.3 undecidable manual S 257 39.2274 50 -0.4 67
GU.EQUI.HHZ. 2023-02-01T13:44:51.53 0.6 undecidable manual P 276 64.7907 50 0.3 44
IV.CRMI.HHZ. 2023-02-01T13:44:51.77 0.3 undecidable manual S 178 34.2435 50 0.27 69
IV.SEI.HHZ. 2023-02-01T13:44:50.57 0.3 undecidable manual S 100 32.0457 50 -0.34 69
IV.RUFI.EHZ. 2023-02-01T13:44:49.77 0.3 undecidable manual P 124 52.7028 50 0.4 65
IV.VMGN.HHZ. 2023-02-01T13:44:49.05 0.3 undecidable manual P 110 48.4182 50 0.34 67
IV.BDI.HHZ. 2023-02-01T13:44:49.86 0.3 undecidable manual S 261 29.5482 50 -0.39 68
IV.PII.HHZ. 2023-02-01T13:44:49.75 0.3 undecidable manual P 220 54.9006 50 0.04 70
IV.ZCCA.HHZ. 2023-02-01T13:44:49.97 0.3 undecidable manual S 2 27.3504 50 0.31 70
GU.SARM.EHZ. 2023-02-01T13:44:48.21 0.6 undecidable manual P 281 45.5211 50 -0.06 47
MN.VLC.HHZ. 2023-02-01T13:44:48.43 0.3 undecidable manual P 278 46.2204 50 0.05 71
IV.BOSL.HHZ. 2023-02-01T13:44:47.06 0.3 undecidable manual P 120 38.0286 50 -0.06 72
IV.MPPT.EHZ. 2023-02-01T13:44:47.48 0.3 undecidable manual S 148 19.1697 118 0.17 73
GU.CARD.HHZ. 2023-02-01T13:44:47.07 0.3 undecidable manual P 257 39.2274 50 -0.22 69
IV.MOCL.EHZ. 2023-02-01T13:44:47.53 0.3 undecidable manual S 122 20.5683 117 -0.21 72
GU.GSCL.HHZ. 2023-02-01T13:44:47.35 0.1 undecidable manual P 313 40.4262 50 -0.12 94
GU.MAIM.HHZ. 2023-02-01T13:44:47.92 0.6 undecidable manual P 241 43.1235 50 0.03 48
GU.POPM.HHZ. 2023-02-01T13:44:47.04 0.3 undecidable manual S 248 17.6712 120 0.2 73
IV.CRMI.HHZ. 2023-02-01T13:44:46.64 0.3 undecidable manual P 178 34.2435 50 0.11 72
IV.BDI.HHZ. 2023-02-01T13:44:45.52 0.1 undecidable manual P 261 29.5482 50 -0.28 93
IV.ZCCA.HHZ. 2023-02-01T13:44:45.88 0.3 undecidable manual P 2 27.3504 50 0.41 68
IV.SEI.HHZ. 2023-02-01T13:44:45.86 0.3 undecidable manual P 100 32.0457 50 -0.33 69
IV.FNVD.HHZ. 2023-02-01T13:44:45.61 0.3 undecidable manual S 61 14.5743 125 -0.35 71
IV.MPPT.EHZ. 2023-02-01T13:44:44.23 0.1 undecidable manual P 148 19.1697 118 0.12 98
IV.MOCL.EHZ. 2023-02-01T13:44:44.37 0.1 undecidable manual P 122 20.5683 117 0.01 100
IV.FNVD.HHZ. 2023-02-01T13:44:43.21 0.1 positive manual P 61 14.5743 125 -0.12 99
GU.POPM.HHZ. 2023-02-01T13:44:43.93 0.1 undecidable manual P 248 17.6712 120 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FNVD.HHN. ML:2.0 0.00103596 0.1024 AML other m 2023-02-01T13:44:46.25
IV.FNVD.HHE. ML:1.9 0.00070443545 0.1216 AML other m 2023-02-01T13:44:46.72
GU.POPM.HHN. ML:2.4 0.001958256 0.1408 AML other m 2023-02-01T13:44:47.44
GU.POPM.HHE. ML:2.2 0.0012903875 0.1216 AML other m 2023-02-01T13:44:47.54
IV.MPPT.EHE. ML:1.8 0.00045499999999999995 0.2 AML other m 2023-02-01T13:44:47.69
IV.MPPT.EHN. ML:1.5 0.0002612974 0.32 AML other m 2023-02-01T13:44:48.52
IV.MOCL.EHN. ML:1.7 0.00038500000000000003 0.16 AML other m 2023-02-01T13:44:47.80
IV.MOCL.EHE. ML:1.7 0.00032789965 0.1024 AML other m 2023-02-01T13:44:48.08
IV.BDI.HHE. ML:1.8 0.000308 0.16 AML other m 2023-02-01T13:44:50.28
IV.BDI.HHN. ML:1.7 0.00023778295 0.1344 AML other m 2023-02-01T13:44:50.17
IV.SEI.HHN. ML:1.9 0.000374 0.26 AML other m 2023-02-01T13:44:50.72
IV.ZCCA.HHN. ML:1.6 0.000217 0.4 AML other m 2023-02-01T13:44:51.95
IV.SEI.HHE. ML:1.8 0.0002515 0.26 AML other m 2023-02-01T13:44:51.64
IV.ZCCA.HHE. ML:1.7 0.00026450000000000003 0.34 AML other m 2023-02-01T13:44:52.61
IV.CRMI.HHN. ML:0.9 0.000036517715 0.1408 AML other m 2023-02-01T13:44:53.66
GU.CARD.HHN. ML:1.8 0.00023250150000000004 0.1344 AML other m 2023-02-01T13:44:52.85
IV.CRMI.HHE. ML:1.0 0.000044995205 0.256 AML other m 2023-02-01T13:44:52.69
GU.CARD.HHE. ML:1.5 0.0001215 1.84 AML other m 2023-02-01T13:44:52.00
MN.VLC.HHN. ML:1.6 0.00011884999999999999 0.28 AML other m 2023-02-01T13:44:55.31
MN.VLC.HHE. ML:1.2 0.000050350000000000004 1.08 AML other m 2023-02-01T13:44:55.76
IV.PII.HHN. ML:1.8 0.00013900000000000002 0.24 AML other m 2023-02-01T13:44:59.34
IV.PII.HHE. ML:1.7 0.0001174634 0.2816 AML other m 2023-02-01T13:45:00.20
IV.BDI.HNE. ML:1.7 0.0002544455 0.16 AML other m 2023-02-01T13:44:50.36
IV.BDI.HNN. ML:1.7 0.00026267275 0.1344 AML other m 2023-02-01T13:44:50.18
IV.ZCCA.HNE. ML:1.8 0.0003313721 0.7808 AML other m 2023-02-01T13:44:51.95
IV.ZCCA.HNN. ML:1.6 0.0002015115 0.6976 AML other m 2023-02-01T13:44:57.56
IV.CRMI.HNN. ML:1.8 0.00023516265 0.96 AML other m 2023-02-01T13:44:56.79
IV.CRMI.HNE. ML:1.6 0.00014725105 0.8896 AML other m 2023-02-01T13:44:59.57
GU.GSCL.HHE. ML:1.6 0.00014371495 0.3008 AML other m 2023-02-01T13:44:53.30
GU.MAIM.HHN. ML:1.0 0.000031733366 0.1024 AML other m 2023-02-01T13:44:54.57
GU.MAIM.HHE. ML:0.9 0.00002538779 0.2432 AML other m 2023-02-01T13:44:54.14
MN.VLC.HNE. ML:1.2 0.000048377465 0.6592 AML other m 2023-02-01T13:45:01.39
MN.VLC.HNN. ML:1.6 0.000112479835 0.2176 AML other m 2023-02-01T13:44:55.31
IV.RUFI.EHN. ML:1.1 0.0000281200425 0.8192 AML other m 2023-02-01T13:45:05.52
IV.RUFI.EHE. ML:1.0 0.000023429251765 0.3008 AML other m 2023-02-01T13:44:57.31
GU.EQUI.HHN. ML:1.1 0.00002501801 0.32 AML other m 2023-02-01T13:45:00.20
GU.EQUI.HHE. ML:1.0 0.000020325159999999997 0.3392 AML other m 2023-02-01T13:45:03.56
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