Earthquake with magnitude of ML 0.7 on date 23-01-2022 and time 15:43:46 (Italy) in region 2 km SE Pratovecchio Stia (AR)

A magnitude ML 0.7 earthquake occured in region: 2 km SE Pratovecchio Stia (AR), on

  • 23-01-2022 14:43:46 (UTC)
  • 23-01-2022 15:43:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7760, 11.7320 at 9 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
Pratovecchio Stia AR 2 5845 5845
Castel San Niccolò AR 4 2707 8552
Poppi AR 6 6160 14712
Montemignaio AR 10 566 15278
Ortignano Raggiolo AR 11 878 16156
Bibbiena AR 11 12241 28397
Castel Focognano AR 16 3149 31546
Londa FI 16 1840 33386
Chitignano AR 17 899 34285
Pelago FI 18 7660 41945
Chiusi della Verna AR 18 2023 43968
Reggello FI 19 16290 60258
San Godenzo FI 19 1167 61425
Talla AR 20 1062 62487

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Arezzo (99543 inhabitants)
38 Km E of Firenze (382808 inhabitants)
44 Km E of Scandicci (50609 inhabitants)
52 Km E of Prato (191150 inhabitants)
56 Km SW of Forlì (117913 inhabitants)
57 Km SW of Cesena (96758 inhabitants)
58 Km S of Faenza (58541 inhabitants)
60 Km NE of Siena (53903 inhabitants)
64 Km S of Imola (69797 inhabitants)
68 Km E of Pistoia (90315 inhabitants)
74 Km W of Rimini (147750 inhabitants)
81 Km SW of Ravenna (159116 inhabitants)
86 Km SE of Bologna (386663 inhabitants)
91 Km NW of Perugia (166134 inhabitants)
96 Km W of Pesaro (94582 inhabitants)
99 Km E of Lucca (89046 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 0.7 2022-01-23
14:43:46
43.7757 11.7322 9 2022-01-23
14:51:35
Sala Sismica INGV-Roma 100092571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-23 14:43:46 ± 0.07
Latitude 43.7757 ± 0.0045
Longitude 11.7322 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100092571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 477
Semi-minor axis of confidence ellipse (meter) 313
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 197
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 100092571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-23 14:51:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOSL.HHE. 2022-01-23T14:43:58.08 0.6 undecidable manual S 301 33.4443 50 0.17 46
IV.LMD.HHZ. 2022-01-23T14:43:57.88 0.3 undecidable manual S 357 33.5442 50 -0.07 71
IV.PE3.EHZ. 2022-01-23T14:43:56.53 3.0 undecidable manual P -1.06 0
IV.CRE.HHZ. 2022-01-23T14:43:55.59 0.6 undecidable manual S 135 24.753 110 0.35 45
IV.RUFI.EHZ. 2022-01-23T14:43:53.44 0.3 undecidable manual S 291 19.0698 115 0.01 73
IV.SFI.EHZ. 2022-01-23T14:43:52.99 0.6 undecidable manual S 33 16.9719 118 0.2 47
IV.LMD.HHZ. 2022-01-23T14:43:52.75 1.0 undecidable manual P 357 33.5442 50 -0.19 23
IV.BOSL.HHE. 2022-01-23T14:43:52.83 0.3 undecidable manual P 301 33.4443 50 -0.09 70
IV.CRE.HHZ. 2022-01-23T14:43:51.14 0.3 undecidable manual P 135 24.753 110 -0.23 69
IV.RUFI.EHZ. 2022-01-23T14:43:50.42 0.6 undecidable manual P 291 19.0698 115 0.09 48
IV.SFI.EHZ. 2022-01-23T14:43:50.04 0.1 undecidable manual P 33 16.9719 118 0.08 97
IV.ASQU.HHN. 2022-01-23T14:43:49.51 0.3 undecidable manual S 63 5.1948 150 -0.2 72
IV.ASQU.HHN. 2022-01-23T14:43:48.19 0.1 undecidable manual P 63 5.1948 150 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:0.5 0.000027611497 0.1408 AML other m 2022-01-23T14:43:53.52
IV.SFI.EHN. ML:0.5 0.000030474939999999998 0.2368 AML other m 2022-01-23T14:43:54.00
IV.SFI.HNE. ML:1.0 0.00009565414 0.64 AML other m 2022-01-23T14:44:00.69
IV.SFI.HNN. ML:1.2 0.00014795716 0.5184 AML other m 2022-01-23T14:43:54.99
IV.RUFI.EHE. ML:0.8 0.000048610145 0.32 AML other m 2022-01-23T14:43:53.56
IV.RUFI.EHN. ML:0.7 0.0000396045955 0.16 AML other m 2022-01-23T14:43:53.51
IV.CRE.HHE. ML:0.4 0.000016265450000000002 0.1792 AML other m 2022-01-23T14:43:55.65
IV.CRE.HHN. ML:0.5 0.00002225855 0.1792 AML other m 2022-01-23T14:43:56.68
IV.LMD.HHE. ML:0.7 0.000022217809999999997 0.1344 AML other m 2022-01-23T14:43:58.55
IV.LMD.HHN. ML:0.7 0.00002073215 0.1408 AML other m 2022-01-23T14:43:58.30
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