Earthquake with magnitude of ML 0.8 on date 18-08-2022 and time 21:02:55 (UTC) in region 9 km SW Sambuca Pistoiese (PT)

A magnitude ML 0.8 earthquake occured in region: 9 km SW Sambuca Pistoiese (PT), on

  • 18-08-2022 21:02:55 (UTC)
  • 18-08-2022 23:02:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0410, 10.9290 at 10 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
Sambuca Pistoiese PT 9 1626 1626
San Marcello Pistoiese PT 11 6416 8042
Pistoia PT 12 90315 98357
Piteglio PT 13 1683 100040
Alto Reno Terme BO 13 6960 107000
Lizzano in Belvedere BO 14 2212 109212
Montale PT 14 10737 119949
Cantagallo PO 14 3105 123054
Cutigliano PT 15 1488 124542
Montemurlo PO 15 18456 142998
Castel di Casio BO 16 3448 146446
Agliana PT 17 17525 163971
Serravalle Pistoiese PT 17 11659 175630
Marliana PT 17 3210 178840
Vaiano PO 18 9895 188735
Gaggio Montano BO 18 4878 193613
Vernio PO 18 6060 199673
Camugnano BO 19 1885 201558

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Pistoia (90315 inhabitants)
22 Km NW of Prato (191150 inhabitants)
37 Km NW of Scandicci (50609 inhabitants)
40 Km NW of Firenze (382808 inhabitants)
41 Km NE of Lucca (89046 inhabitants)
56 Km NE of Pisa (89158 inhabitants)
58 Km E of Viareggio (62467 inhabitants)
60 Km SW of Bologna (386663 inhabitants)
63 Km E of Massa (69479 inhabitants)
67 Km E of Carrara (63133 inhabitants)
67 Km S of Modena (184973 inhabitants)
72 Km W of Imola (69797 inhabitants)
74 Km NE of Livorno (159219 inhabitants)
77 Km SE of Reggio nell'Emilia (171345 inhabitants)
81 Km W of Faenza (58541 inhabitants)
83 Km S of Carpi (70699 inhabitants)
87 Km NW of Siena (53903 inhabitants)
88 Km E of La Spezia (93959 inhabitants)
91 Km W of Forlì (117913 inhabitants)
97 Km SE of Parma (192836 inhabitants)
100 Km NW of Arezzo (99543 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 0.8 2022-08-18
21:02:55
44.0413 10.9293 10 2022-08-18
21:18:22
Sala Sismica INGV-Roma 108693281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-18 21:02:55 ± 0.09
Latitude 44.0413 ± 0.0063
Longitude 10.9293 ± 0.0063
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108693281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 475
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 8
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43257
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 108693281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-18 21:18:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2022-08-18T21:04:22.17 3.0 undecidable manual Pn 6.14 0
CR.STON.BHZ. 2022-08-18T21:04:21.70 3.0 positive manual Pg 19.6 0
IV.LPEL.HHZ. 2022-08-18T21:04:15.07 3.0 undecidable manual Sn 1.52 0
IV.CAMP.HHZ. 2022-08-18T21:04:05.85 3.0 undecidable manual Sg 10.51 0
IV.DGI.HHZ. 2022-08-18T21:03:42.34 3.0 undecidable manual Pn -6.83 0
IV.SAMA.EHZ. 2022-08-18T21:03:37.97 3.0 undecidable manual Pg 7.55 0
OX.ACOM.HHZ. 2022-08-18T21:03:35.38 3.0 negative manual Pn 2.23 0
IV.SALO.HHZ. 2022-08-18T21:03:32.47 3.0 undecidable manual Sn -0.16 0
IV.ARVD.HHZ. 2022-08-18T21:03:19.72 3.0 negative manual Pg 4.9 0
IV.MF5.EHZ. 2022-08-18T21:03:19.70 3.0 undecidable manual Pn -3.13 0
IV.CESX.HHZ. 2022-08-18T21:03:15.66 3.0 undecidable manual Pn -4.86 0
IV.NARO.HHZ. 2022-08-18T21:03:10.24 3.0 undecidable manual Pn -0.83 0
IV.CRMI.HHZ. 2022-08-18T21:03:05.24 0.6 undecidable manual S 172 27.5502 50 -0.2 63
IV.PII.HHZ. 2022-08-18T21:03:04.14 0.3 undecidable manual P 223 48.0186 50 -0.19 92
IV.MOCL.EHZ. 2022-08-18T21:03:03.45 0.6 undecidable manual S 101 20.4684 116 0.2 64
IV.VISG.HHZ. 2022-08-18T21:03:03.48 0.3 undecidable manual P 68 43.4232 50 -0.15 93
IV.MPPT.EHZ. 2022-08-18T21:03:02.06 0.6 undecidable manual S 126 15.873 122 0.21 65
GU.MAIM.HHZ. 2022-08-18T21:03:02.57 0.3 undecidable manual P 248 37.7289 50 -0.18 94
IV.ZCCA.HNZ. 2022-08-18T21:03:02.99 0.3 undecidable manual P 6 34.5432 50 0.73 80
IV.FNVD.HHZ. 2022-08-18T21:03:02.88 0.6 undecidable manual S 48 20.868 115 -0.49 60
IV.CRMI.HHZ. 2022-08-18T21:03:01.29 0.3 undecidable manual P 172 27.5502 50 0.1 97
GU.POPM.HHE. 2022-08-18T21:03:01.20 0.6 undecidable manual S 272 13.7751 126 -0.05 67
IV.MOCL.EHZ. 2022-08-18T21:02:59.91 0.3 undecidable manual P 101 20.4684 116 -0.02 100
IV.MPPT.EHZ. 2022-08-18T21:02:59.21 0.3 undecidable manual P 126 15.873 122 0.1 99
IV.FNVD.HHZ. 2022-08-18T21:02:59.76 0.3 undecidable manual P 48 20.868 115 -0.23 96
GU.POPM.HHE. 2022-08-18T21:02:58.89 0.3 undecidable manual P 272 13.7751 126 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPPT.EHN. ML:0.9 0.0000752 0.14 AML other m 2022-08-18T21:03:02.26
IV.MPPT.EHE. ML:0.7 0.00004465 0.28 AML other m 2022-08-18T21:03:02.47
IV.FNVD.HHE. ML:0.8 0.00004767767 0.1664 AML other m 2022-08-18T21:03:04.03
IV.FNVD.HHN. ML:1.0 0.000070936555 0.1024 AML other m 2022-08-18T21:03:03.69
IV.CRMI.HHN. ML:0.4 0.000016005005 0.1408 AML other m 2022-08-18T21:03:05.66
IV.PII.HHE. ML:1.0 0.000022642135 0.256 AML other m 2022-08-18T21:03:14.65
IV.PII.HHN. ML:1.0 0.00002320171 0.2816 AML other m 2022-08-18T21:03:10.60
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