Earthquake with magnitude of ML 0.7 on date 23-01-2022 and time 15:57:49 (Italy) 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 14:57:49 (UTC)
  • 23-01-2022 15:57:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.7670, 11.7370 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 3 5845 5845
Castel San Niccolò AR 4 2707 8552
Poppi AR 5 6160 14712
Ortignano Raggiolo AR 10 878 15590
Montemignaio AR 10 566 16156
Bibbiena AR 10 12241 28397
Castel Focognano AR 15 3149 31546
Chitignano AR 16 899 32445
Londa FI 17 1840 34285
Chiusi della Verna AR 18 2023 36308
Pelago FI 18 7660 43968
Reggello FI 19 16290 60258
Talla AR 19 1062 61320

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Arezzo (99543 inhabitants)
39 Km E of Firenze (382808 inhabitants)
45 Km E of Scandicci (50609 inhabitants)
53 Km E of Prato (191150 inhabitants)
56 Km SW of Forlì (117913 inhabitants)
58 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)
68 Km E of Pistoia (90315 inhabitants)
74 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)
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
14:57:49
43.7672 11.737 9 2022-01-23
15:07:05
Sala Sismica INGV-Roma 100093491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-23 14:57:49 ± 0.06
Latitude 43.7672 ± 0.0036
Longitude 11.7370 ± 0.0037
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 100093491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 100093491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-23 15:07:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2022-01-23T14:59:34.80 3.0 undecidable manual Sg 8.2 0
IV.SGTA.HNZ. 2022-01-23T14:59:20.36 3.0 undecidable manual Sn -2.43 0
IV.POFI.HNZ. 2022-01-23T14:58:53.79 3.0 undecidable manual Sg 1.78 0
IV.FIR.HHZ. 2022-01-23T14:58:02.20 3.0 undecidable manual S -0.84 0
IV.LMD.HHZ. 2022-01-23T14:58:01.14 0.3 undecidable manual S 356 34.5432 50 -0.09 71
IV.BOSL.HHE. 2022-01-23T14:58:01.35 0.3 undecidable manual S 302 34.2435 50 0.19 70
IV.CRE.HHZ. 2022-01-23T14:57:58.01 1.0 undecidable manual S 134 23.8539 111 -0.02 24
IV.RUFI.EHZ. 2022-01-23T14:57:56.63 0.3 undecidable manual S 293 19.869 115 -0.13 72
IV.BOSL.HHE. 2022-01-23T14:57:56.10 0.3 undecidable manual P 302 34.2435 50 0.01 72
IV.SFI.EHZ. 2022-01-23T14:57:56.24 0.6 undecidable manual S 30 17.5713 118 0.17 48
IV.LMD.HHZ. 2022-01-23T14:57:55.95 0.1 undecidable manual P 356 34.5432 50 -0.19 93
IV.CRE.HHZ. 2022-01-23T14:57:54.27 0.3 undecidable manual P 134 23.8539 111 -0.01 74
IV.CSNT.HHZ. 2022-01-23T14:57:54.43 3.0 undecidable manual P -0.23 0
IV.SFI.EHZ. 2022-01-23T14:57:53.25 0.1 undecidable manual P 30 17.5713 118 0.1 97
IV.RUFI.EHZ. 2022-01-23T14:57:53.61 0.1 undecidable manual P 293 19.869 115 0.06 98
IV.ASQU.HHZ. 2022-01-23T14:57:52.65 0.6 undecidable manual S 52 5.2947 150 -0.22 49
IV.ASQU.HHZ. 2022-01-23T14:57:51.37 0.1 positive manual P 52 5.2947 150 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASQU.HHE. ML:1.2 0.00024916315 0.2176 AML other m 2022-01-23T14:57:53.22
IV.ASQU.HHN. ML:1.3 0.00032450000000000003 0.22 AML other m 2022-01-23T14:57:52.82
IV.LMD.HHN. ML:0.8 0.0000240039675 0.1408 AML other m 2022-01-23T14:58:01.54
IV.LMD.HHE. ML:0.7 0.000022415 0.56 AML other m 2022-01-23T14:58:02.33
IV.SFI.EHE. ML:0.5 0.0000232797865 0.1536 AML other m 2022-01-23T14:57:57.25
IV.SFI.EHN. ML:0.5 0.000026109105 0.2688 AML other m 2022-01-23T14:57:58.08
IV.SFI.HNE. ML:1.2 0.00011752360000000001 0.704 AML other m 2022-01-23T14:58:06.19
IV.SFI.HNN. ML:1.2 0.000141566645 0.896 AML other m 2022-01-23T14:58:05.64
IV.RUFI.EHE. ML:0.5 0.00002715848 0.2816 AML other m 2022-01-23T14:57:56.76
IV.RUFI.EHN. ML:0.7 0.00003363747 0.1792 AML other m 2022-01-23T14:57:56.83
IV.CRE.HHE. ML:0.4 0.0000135316715 0.2432 AML other m 2022-01-23T14:57:59.44
IV.CRE.HHN. ML:0.6 0.000027095030000000003 0.192 AML other m 2022-01-23T14:57:59.69
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