Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 25-11-2022 and time 02:21:06 (UTC) in region 4 km W Castel Focognano (AR)

A magnitude ML 1.7 earthquake occured in region: 4 km W Castel Focognano (AR), on

  • 25-11-2022 02:21:06 (UTC)
  • 25-11-2022 03:21:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6370, 11.7980 at 9 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castel Focognano AR 4 3149 3149
Talla AR 4 1062 4211
Ortignano Raggiolo AR 6 878 5089
Bibbiena AR 7 12241 17330
Chitignano AR 7 899 18229
Subbiano AR 9 6331 24560
Capolona AR 10 5438 29998
Poppi AR 10 6160 36158
Castiglion Fibocchi AR 12 2167 38325
Chiusi della Verna AR 13 2023 40348
Castel San Niccolò AR 14 2707 43055
Loro Ciuffenna AR 14 5819 48874
Caprese Michelangelo AR 15 1426 50300
Laterina AR 16 3517 53817
Pratovecchio Stia AR 18 5845 59662
Montemignaio AR 18 566 60228
Terranuova Bracciolini AR 20 12346 72574
Castelfranco Piandiscò AR 20 9632 82206
Arezzo AR 20 99543 181749

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Arezzo (99543 inhabitants)
46 Km E of Firenze (382808 inhabitants)
51 Km E of Scandicci (50609 inhabitants)
52 Km NE of Siena (53903 inhabitants)
63 Km E of Prato (191150 inhabitants)
66 Km SW of Cesena (96758 inhabitants)
68 Km SW of Forlì (117913 inhabitants)
73 Km S of Faenza (58541 inhabitants)
76 Km NW of Perugia (166134 inhabitants)
78 Km SW of Rimini (147750 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
80 Km S of Imola (69797 inhabitants)
93 Km SW of Ravenna (159116 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
Bulletin
Rev1000 		ML 1.7 2022-11-25
02:21:06		 43.637 11.7983 9 2024-03-01
15:28:25		 Bollettino Sismico Italiano INGV 118243621
Reviewed
Rev100 		ML 1.7 2022-11-25
02:21:06		 43.6423 11.7967 11 2022-11-25
02:30:38		 Sala Sismica INGV-Roma 112185221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-25 02:21:06 ± 0.1
Latitude 43.6370 ± 0.0045
Longitude 11.7983 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118243621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 563
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
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 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 1.15833
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 118243621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-09 14:40:05

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 112185221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-25 02:30:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2022-11-25T02:21:30.40 0.6 undecidable manual S 100 75.6687 50 0.68 38
IV.CSP1.EHZ. 2022-11-25T02:21:28.97 0.3 undecidable manual P 118 128.5713 50 0.85 48
IV.MPPT.EHZ. 2022-11-25T02:21:27.99 0.6 undecidable manual S 302 66.8775 50 0.61 40
IV.FDMO.HHZ. 2022-11-25T02:21:27.87 0.3 undecidable manual P 122 123.4875 50 0.52 55
IV.NARO.HHZ. 2022-11-25T02:21:26.63 0.6 undecidable manual S 92 62.8926 50 0.33 44
IV.PIEI.HHZ. 2022-11-25T02:21:25.60 0.3 undecidable manual S 100 60.2952 50 0 70
IV.ATVO.HHZ. 2022-11-25T02:21:24.80 0.6 undecidable manual S 120 56.499 50 0.2 45
IV.ATPI.EHZ. 2022-11-25T02:21:23.53 0.6 undecidable manual S 113 52.8027 50 -0.07 47
GU.POPM.HHZ. 2022-11-25T02:21:23.33 0.3 undecidable manual P 299 94.8384 50 0.4 61
IV.BOSL.HHZ. 2022-11-25T02:21:22.58 0.6 undecidable manual S 314 47.1195 50 0.5 43
IV.SACS.HHZ. 2022-11-25T02:21:22.66 0.3 undecidable manual P 174 87.8454 50 0.81 53
IV.LMD.HHZ. 2022-11-25T02:21:22.91 0.6 undecidable manual S 352 49.4172 50 0.21 46
IV.MGAB.HHZ. 2022-11-25T02:21:22.30 0.3 undecidable manual P 162 84.249 50 1 49
IV.OSSC.HHZ. 2022-11-25T02:21:21.64 0.6 undecidable manual S 254 46.1205 50 -0.19 46
IV.SSFR.HHZ. 2022-11-25T02:21:21.12 0.3 undecidable manual P 105 82.1511 50 0.14 66
IT.FIE.HGE. 2022-11-25T02:21:21.32 0.6 undecidable manual S 295 44.622 50 -0.1 47
IV.MALA0.EHN. 2022-11-25T02:21:20.07 0.3 undecidable manual P 201 74.7696 50 0.24 65
IV.MPAG.EHZ. 2022-11-25T02:21:20.25 0.3 undecidable manual P 90 77.1672 50 0.04 68
IV.VMGN.HHN. 2022-11-25T02:21:20.65 0.6 undecidable manual S 329 41.1255 50 0.15 47
IV.CSNT.HHZ. 2022-11-25T02:21:20.79 0.6 undecidable manual S 246 44.7219 50 -0.66 41
IV.FRON.EHZ. 2022-11-25T02:21:19.85 0.3 undecidable manual P 100 75.6687 50 -0.13 67
IV.MURB.HHZ. 2022-11-25T02:21:19.42 0.1 undecidable manual P 125 71.6727 50 0.06 91
IV.BRIS.HHZ. 2022-11-25T02:21:19.11 0.3 undecidable manual P 358 65.1903 50 0.75 57
IV.FROS.CHE. 2022-11-25T02:21:19.59 0.3 undecidable manual P 228 70.1742 50 0.47 63
IV.BADI.EHZ. 2022-11-25T02:21:19.39 0.3 undecidable manual S 111 38.5281 50 -0.41 67
IV.PARC.HHZ. 2022-11-25T02:21:18.27 0.3 undecidable manual S 88 35.3424 50 -0.69 62
IV.NARO.HHZ. 2022-11-25T02:21:18.13 0.3 undecidable manual P 92 62.8926 50 0.13 68
IV.CAFI.HHZ. 2022-11-25T02:21:18.69 0.6 undecidable manual S 158 36.741 50 -0.63 42
IV.MPPT.EHZ. 2022-11-25T02:21:18.62 0.3 undecidable manual P 302 66.8775 50 0 70
IV.CRMI.HHZ. 2022-11-25T02:21:18.86 0.3 undecidable manual P 285 67.9764 50 0.08 68
IV.PIEI.HHZ. 2022-11-25T02:21:17.51 0.1 undecidable manual P 100 60.2952 50 -0.09 92
IV.SFI.EHZ. 2022-11-25T02:21:17.06 0.6 undecidable manual S 7 29.9478 50 -0.45 45
IV.RUFI.EHZ. 2022-11-25T02:21:17.97 0.6 undecidable manual S 314 32.1456 50 -0.12 48
IV.CPGN.EHZ. 2022-11-25T02:21:16.00 0.1 undecidable manual P 66 45.621 50 0.65 82
IV.SSP9.EHZ. 2022-11-25T02:21:16.55 0.6 undecidable manual S 105 27.6501 109 -0.24 47
IV.ATPI.EHZ. 2022-11-25T02:21:16.21 0.1 undecidable manual P 113 52.8027 50 -0.23 91
IV.ATVO.HHZ. 2022-11-25T02:21:16.99 0.3 undecidable manual P 120 56.499 50 -0.03 70
IV.ATMI.HHZ. 2022-11-25T02:21:16.08 0.1 undecidable manual P 131 50.616 50 -0.03 95
IV.LMD.HHZ. 2022-11-25T02:21:15.71 0.1 undecidable manual P 352 49.4172 50 -0.22 92
IT.FIE.HGE. 2022-11-25T02:21:15.01 0.3 undecidable manual P 295 44.622 50 -0.17 70
IV.OSSC.HHZ. 2022-11-25T02:21:15.25 0.3 undecidable manual P 254 46.1205 50 -0.17 70
IV.BOSL.HHZ. 2022-11-25T02:21:15.38 0.1 undecidable manual P 314 47.1195 50 -0.19 93
IV.BADI.EHZ. 2022-11-25T02:21:14.05 0.1 undecidable manual P 111 38.5281 50 -0.2 94
IV.VMGN.HHN. 2022-11-25T02:21:14.44 0.1 undecidable manual P 329 41.1255 50 -0.21 93
IV.CSNT.HHZ. 2022-11-25T02:21:14.73 0.3 undecidable manual P 246 44.7219 50 -0.47 66
IV.PARC.HHZ. 2022-11-25T02:21:13.49 0.1 undecidable manual P 88 35.3424 50 -0.27 93
IV.CAFI.HHZ. 2022-11-25T02:21:13.54 0.1 undecidable manual P 158 36.741 50 -0.43 90
IV.SFI.EHZ. 2022-11-25T02:21:12.77 0.3 undecidable manual P 7 29.9478 50 -0.16 72
IV.RUFI.EHZ. 2022-11-25T02:21:12.88 0.1 undecidable manual P 314 32.1456 50 -0.38 91
IV.SSP9.EHZ. 2022-11-25T02:21:12.45 0.3 undecidable manual P 105 27.6501 109 -0.06 74
IV.CRE.HHZ. 2022-11-25T02:21:11.90 0.3 undecidable manual S 99 12.4764 127 -0.17 74
IV.CRE.HHZ. 2022-11-25T02:21:09.90 0.1 undecidable manual P 99 12.4764 127 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:2.3 0.0023650000000000003 0.72 AML other m 2022-11-25T02:21:12.31
IV.CRE.HHN. ML:2.3 0.0025150000000000003 0.16 AML other m 2022-11-25T02:21:12.73
IV.SSP9.EHE. ML:1.8 0.00029749999999999997 0.62 AML other m 2022-11-25T02:21:17.00
IV.SFI.EHE. ML:1.6 0.0002125 1.04 AML other m 2022-11-25T02:21:17.71
IV.SFI.EHN. ML:1.6 0.00017299999999999998 0.3 AML other m 2022-11-25T02:21:18.35
IV.RUFI.EHE. ML:1.6 0.00016700000000000002 0.32 AML other m 2022-11-25T02:21:18.37
IV.RUFI.EHN. ML:1.6 0.00018449999999999999 0.44 AML other m 2022-11-25T02:21:18.58
IV.PARC.HHN. ML:1.9 0.000317 0.14 AML other m 2022-11-25T02:21:19.09
IV.PARC.HHE. ML:1.6 0.0001605 0.42 AML other m 2022-11-25T02:21:19.41
IV.CAFI.HHE. ML:1.5 0.000129 0.86 AML other m 2022-11-25T02:21:19.60
IV.CAFI.HNE. ML:1.5 0.0001192 0.86 AML other m 2022-11-25T02:21:19.60
IV.CAFI.HHN. ML:1.5 0.00011999999999999999 1.7 AML other m 2022-11-25T02:21:19.08
IV.CAFI.HNN. ML:1.5 0.0001085 1.7 AML other m 2022-11-25T02:21:19.93
IV.BADI.EHN. ML:2.0 0.0003855 0.2 AML other m 2022-11-25T02:21:20.61
IV.BADI.EHE. ML:2.0 0.0003185 1.88 AML other m 2022-11-25T02:21:20.97
IV.SSP9.EHN. ML:1.7 0.00028849999999999997 0.52 AML other m 2022-11-25T02:21:21.36
IV.CSNT.HHN. ML:2.0 0.00027949999999999996 1.28 AML other m 2022-11-25T02:21:21.65
IV.OSSC.HHN. ML:1.8 0.0001905 0.56 AML other m 2022-11-25T02:21:22.19
IV.CSNT.HHE. ML:1.7 0.0001409 0.2 AML other m 2022-11-25T02:21:22.39
IV.OSSC.HHE. ML:1.8 0.000176 0.96 AML other m 2022-11-25T02:21:22.23
IV.BOSL.HHN. ML:1.4 0.0000627 0.56 AML other m 2022-11-25T02:21:23.00
IV.LMD.HHN. ML:1.9 0.00022849999999999997 0.72 AML other m 2022-11-25T02:21:23.76
IV.BOSL.HHE. ML:1.4 0.0000668 0.12 AML other m 2022-11-25T02:21:23.50
IV.LMD.HHE. ML:1.9 0.00023 0.12 AML other m 2022-11-25T02:21:23.59
IV.ATPI.EHE. ML:1.6 0.00008834999999999999 0.26 AML other m 2022-11-25T02:21:24.80
IV.CPGN.EHN. ML:1.8 0.0001864 0.42 AML other m 2022-11-25T02:21:24.75
IV.CPGN.EHE. ML:1.5 0.00008793000000000001 0.26 AML other m 2022-11-25T02:21:25.93
IV.PIEI.HHE. ML:1.6 0.00007539999999999999 0.3 AML other m 2022-11-25T02:21:27.31
IV.NARO.HHE. ML:1.3 0.000039599999999999994 0.74 AML other m 2022-11-25T02:21:27.69
IV.PIEI.HHN. ML:1.4 0.00005355 0.66 AML other m 2022-11-25T02:21:27.17
IV.ATPI.EHN. ML:1.7 0.00011549999999999999 0.46 AML other m 2022-11-25T02:21:27.50
IV.ATMI.HHE. ML:1.9 0.00019350000000000001 1.7 AML other m 2022-11-25T02:21:27.87
IV.ATMI.HHN. ML:1.8 0.00016749999999999998 0.24 AML other m 2022-11-25T02:21:28.04
IV.NARO.HHN. ML:1.4 0.000052850000000000004 0.88 AML other m 2022-11-25T02:21:28.64
IV.MPPT.EHE. ML:1.8 0.00010275 0.22 AML other m 2022-11-25T02:21:28.76
IV.ATVO.HHE. ML:1.7 0.00011499999999999999 1.46 AML other m 2022-11-25T02:21:28.85
IV.ATVO.HHN. ML:1.7 0.00011449999999999999 0.84 AML other m 2022-11-25T02:21:28.47
IV.MPPT.EHN. ML:1.7 0.00008745 0.22 AML other m 2022-11-25T02:21:29.15
IV.FRON.EHE. ML:1.4 0.00003565 0.68 AML other m 2022-11-25T02:21:31.56
IV.FRON.EHN. ML:1.4 0.00004235 0.3 AML other m 2022-11-25T02:21:32.07
IV.MPAG.EHN. ML:1.3 0.000032500000000000004 0.42 AML other m 2022-11-25T02:21:32.49
IV.MURB.HHE. ML:2.0 0.000156 0.28 AML other m 2022-11-25T02:21:33.41
IV.BRIS.HHE. ML:1.2 0.0000312 0.5 AML other m 2022-11-25T02:21:33.57
IV.MGAB.HHE. ML:1.8 0.0000875 0.38 AML other m 2022-11-25T02:21:34.05
IV.SSFR.HHN. ML:1.8 0.00008455 1.04 AML other m 2022-11-25T02:21:34.58
IV.SSFR.HHE. ML:1.7 0.00006214999999999999 1.06 AML other m 2022-11-25T02:21:34.85
IV.MPAG.EHE. ML:1.2 0.0000227 0.78 AML other m 2022-11-25T02:21:36.20
IV.BRIS.HHN. ML:1.1 0.000026199999999999996 0.8 AML other m 2022-11-25T02:21:36.92
IV.MURB.HHN. ML:1.9 0.0001255 0.28 AML other m 2022-11-25T02:21:37.53
IV.MGAB.HHN. ML:1.8 0.00008579999999999998 0.82 AML other m 2022-11-25T02:21:37.56
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