Earthquake with magnitude of ML 0.7 on date 23-01-2022 and time 17:49:10 (UTC) in region 3 km SE Pratovecchio Stia (AR)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Pratovecchio Stia (AR), on

  • 23-01-2022 17:49:10 (UTC)
  • 23-01-2022 18:49:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7680, 11.7530 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
Pratovecchio Stia AR 4 5845 5845
Castel San Niccolò AR 5 2707 8552
Poppi AR 5 6160 14712
Ortignano Raggiolo AR 10 878 15590
Bibbiena AR 10 12241 27831
Montemignaio AR 11 566 28397
Castel Focognano AR 15 3149 31546
Chitignano AR 16 899 32445
Chiusi della Verna AR 17 2023 34468
Londa FI 18 1840 36308
Talla AR 19 1062 37370
Pelago FI 20 7660 45030
Reggello FI 20 16290 61320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Arezzo (99543 inhabitants)
40 Km E of Firenze (382808 inhabitants)
46 Km E of Scandicci (50609 inhabitants)
54 Km E of Prato (191150 inhabitants)
56 Km SW of Forlì (117913 inhabitants)
57 Km SW of Cesena (96758 inhabitants)
59 Km S of Faenza (58541 inhabitants)
60 Km NE of Siena (53903 inhabitants)
65 Km S of Imola (69797 inhabitants)
69 Km E of Pistoia (90315 inhabitants)
73 Km W of Rimini (147750 inhabitants)
81 Km SW of Ravenna (159116 inhabitants)
87 Km SE of Bologna (386663 inhabitants)
90 Km NW of Perugia (166134 inhabitants)
95 Km W of Pesaro (94582 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
17:49:10
43.7685 11.7527 10 2022-01-23
18:02:33
Sala Sismica INGV-Roma 100099811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-23 17:49:10 ± 0.06
Latitude 43.7685 ± 0.0036
Longitude 11.7527 ± 0.0075
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100099811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 598
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 98
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31746
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 100099811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-23 18:02:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MILZ.HHZ. 2022-01-23T17:50:46.65 3.0 undecidable manual Pg 29.450001 0
IV.SELL.HHZ. 2022-01-23T17:50:41.23 3.0 negative manual Pg 21.799999 0
IV.PAOL.HHZ. 2022-01-23T17:50:40.39 3.0 undecidable manual Sn 5.24 0
OT.OT17.EHZ. 2022-01-23T17:50:36.63 3.0 undecidable manual Sn -2.31 0
IV.MCRV.HHZ. 2022-01-23T17:50:17.72 3.0 undecidable manual Pg 25.1 0
IV.CDRU.HHZ. 2022-01-23T17:50:16.09 3.0 undecidable manual Pg 20.049999 0
IV.VIVA.HHZ. 2022-01-23T17:50:02.96 3.0 undecidable manual Sn 0.52 0
IV.VOBA.EHZ. 2022-01-23T17:49:59.11 3.0 undecidable manual Sg 2.48 0
IV.SGTA.HNZ. 2022-01-23T17:49:56.35 3.0 negative manual Pn 4.75 0
GU.SATI.HHZ. 2022-01-23T17:49:50.21 3.0 undecidable manual Pg 17.27 0
IV.CMIS.HHZ. 2022-01-23T17:49:46.90 3.0 negative manual Pn 2.28 0
IV.ZEN8.EHZ. 2022-01-23T17:49:45.58 3.0 undecidable manual Sn -9.99 0
IV.PP3.EHZ. 2022-01-23T17:49:27.23 3.0 negative manual Pn 0.09 0
IV.MMO1.EHZ. 2022-01-23T17:49:24.60 3.0 undecidable manual Pn -0.96 0
IV.BOSL.HHE. 2022-01-23T17:49:22.74 0.6 undecidable manual S 301 35.2425 50 0.12 48
IV.LMD.HHZ. 2022-01-23T17:49:22.44 0.6 undecidable manual S 354 34.4433 50 0.03 49
IV.LMD.HHZ. 2022-01-23T17:49:17.19 1.0 undecidable manual P 354 34.4433 50 -0.22 24
IV.SFI.EHZ. 2022-01-23T17:49:17.39 0.3 undecidable manual S 26 16.872 121 -0.05 76
IV.BOSL.HHE. 2022-01-23T17:49:17.45 0.1 undecidable manual P 301 35.2425 50 -0.08 97
IV.CRE.HHZ. 2022-01-23T17:49:15.64 0.6 undecidable manual P 136 23.0547 114 0.01 51
IV.ASQU.HHZ. 2022-01-23T17:49:14.40 0.3 undecidable manual S 43 4.2957 157 -0.05 78
IV.SFI.EHZ. 2022-01-23T17:49:14.66 0.1 undecidable manual P 26 16.872 121 0.12 100
IV.ASQU.HHZ. 2022-01-23T17:49:12.86 0.3 undecidable manual P 43 4.2957 157 0.05 78
GU.CARD.HHZ. 2022-01-23T17:49:11.19 3.0 negative manual P 0.54 0
IV.CELB.HHZ. 2022-01-23T17:49:10.43 3.0 positive manual P -0.39 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:0.9 0.0001265 0.22 AML other m 2022-01-23T17:49:14.86
IV.ASQU.HHN. ML:0.8 0.0001065 0.26 AML other m 2022-01-23T17:49:15.22
IV.CRE.HHE. ML:0.5 0.0000217 0.42 AML other m 2022-01-23T17:49:53.78
IV.CRE.HHN. ML:0.5 0.000019025 1.58 AML other m 2022-01-23T17:50:04.03
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