Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-11-2022 and time 02:29:03 (Italy) in region 3 km SW Castel Focognano (AR)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Castel Focognano (AR), on

  • 25-11-2022 01:29:03 (UTC)
  • 25-11-2022 02:29:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6360, 11.8010 at 10 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 3 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 9 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 19 566 60228
Terranuova Bracciolini AR 20 12346 72574
Castelfranco Piandiscò AR 20 9632 82206
Pieve Santo Stefano AR 20 3183 85389
Arezzo AR 20 99543 184932

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Arezzo (99543 inhabitants)
46 Km E of Firenze (382808 inhabitants)
52 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 S 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 1.6 2022-11-25
01:29:03		 43.6363 11.8007 10 2024-03-01
15:28:25		 Bollettino Sismico Italiano INGV 118242631
Reviewed
Rev100 		ML 1.6 2022-11-25
01:29:03		 43.6307 11.7882 8 2022-11-25
01:34:49		 Sala Sismica INGV-Roma 112181981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-25 01:29:03 ± 0.1
Latitude 43.6363 ± 0.0045
Longitude 11.8007 ± 0.0050
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118242631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 483
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
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) 59
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.92630
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 118242631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-09 14:08:09

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 112181981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-25 01:34:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHZ. 2022-11-25T01:29:24.53 0.6 undecidable manual S 302 67.0773 50 0.67 38
IV.PIEI.HHZ. 2022-11-25T01:29:22.40 0.6 undecidable manual S 100 60.0954 50 0.42 42
IV.ATVO.HHZ. 2022-11-25T01:29:21.22 0.6 undecidable manual S 120 56.2992 50 0.24 44
IV.PII.HHZ. 2022-11-25T01:29:21.24 0.3 undecidable manual P 276 102.8193 50 0.62 55
IV.ATPI.EHZ. 2022-11-25T01:29:20.15 0.6 undecidable manual S 113 52.6029 50 0.17 45
IV.ATMI.HHZ. 2022-11-25T01:29:19.95 0.6 undecidable manual S 132 50.4162 50 0.55 41
IV.SACS.HHZ. 2022-11-25T01:29:19.16 0.6 undecidable manual P 174 87.7455 50 0.85 34
IV.LMD.HHZ. 2022-11-25T01:29:19.27 0.6 undecidable manual S 351 49.5171 50 0.11 46
IV.OSSC.HHZ. 2022-11-25T01:29:18.26 0.6 undecidable manual S 255 46.3203 50 -0.05 47
IV.BOSL.HHZ. 2022-11-25T01:29:18.87 0.6 undecidable manual S 314 47.2194 50 0.31 44
IV.ARCI.HHZ. 2022-11-25T01:29:18.98 0.3 undecidable manual P 197 90.9423 50 0.19 63
IV.CSNT.HHZ. 2022-11-25T01:29:17.72 0.6 undecidable manual S 246 44.8218 50 -0.2 46
IV.ATCC.EHZ. 2022-11-25T01:29:17.78 0.6 undecidable manual P 126 84.1491 50 0.03 44
IV.SSFR.HHZ. 2022-11-25T01:29:17.57 0.3 undecidable manual P 105 81.9513 50 0.15 64
IV.VMGN.HHN. 2022-11-25T01:29:17.13 0.6 undecidable manual S 329 41.3253 50 0.16 46
IV.BADI.EHZ. 2022-11-25T01:29:16.06 0.6 undecidable manual S 111 38.3283 50 -0.12 47
IV.MURB.HHZ. 2022-11-25T01:29:16.05 0.6 undecidable manual P 125 71.4729 50 0.25 43
IV.FRON.EHZ. 2022-11-25T01:29:16.65 0.3 undecidable manual P 100 75.4689 50 0.23 64
IV.BRIS.HHZ. 2022-11-25T01:29:15.79 0.3 undecidable manual P 358 65.2902 50 0.95 51
IV.ATMC.EHE. 2022-11-25T01:29:15.83 0.6 undecidable manual S 124 37.9287 50 -0.23 46
IV.CAFI.HHZ. 2022-11-25T01:29:15.36 0.6 undecidable manual S 159 36.6411 50 -0.36 45
IV.MPPT.EHZ. 2022-11-25T01:29:15.12 0.3 undecidable manual P 302 67.0773 50 0 68
IV.PIEI.HHZ. 2022-11-25T01:29:14.07 0.3 undecidable manual P 100 60.0954 50 0.04 69
IV.RUFI.EHE. 2022-11-25T01:29:14.31 0.3 undecidable manual S 314 32.3454 50 -0.26 69
IV.NARO.HHZ. 2022-11-25T01:29:14.41 0.3 undecidable manual P 92 62.6928 50 -0.03 68
IV.PARC.HHE. 2022-11-25T01:29:14.77 0.6 undecidable manual S 88 35.1426 50 -0.57 42
IV.SFI.EHZ. 2022-11-25T01:29:13.64 0.6 undecidable manual S 7 30.0477 50 -0.32 46
IV.SEI.HHZ. 2022-11-25T01:29:13.78 0.3 undecidable manual P 323 58.2972 50 0.01 69
IV.ATVO.HHZ. 2022-11-25T01:29:13.44 0.3 undecidable manual P 120 56.2992 50 -0.02 69
IT.SNS1.HNZ. 2022-11-25T01:29:13.34 0.6 undecidable manual S 105 27.4503 50 0.06 48
IV.SSP9.EHZ. 2022-11-25T01:29:12.97 0.3 undecidable manual S 105 27.4503 50 -0.31 69
IV.LMD.HHZ. 2022-11-25T01:29:12.12 0.1 undecidable manual P 351 49.5171 50 -0.29 89
IV.ATPI.EHZ. 2022-11-25T01:29:12.81 0.3 undecidable manual P 113 52.6029 50 -0.07 69
IV.ATMI.HHZ. 2022-11-25T01:29:12.55 0.3 undecidable manual P 132 50.4162 50 0 70
IV.CPGN.EHZ. 2022-11-25T01:29:12.53 0.3 undecidable manual P 66 45.5211 50 0.74 58
IV.CSNT.HHZ. 2022-11-25T01:29:11.55 0.3 undecidable manual P 246 44.8218 50 -0.14 69
IV.OSSC.HHZ. 2022-11-25T01:29:11.76 0.3 undecidable manual P 255 46.3203 50 -0.16 69
IV.BOSL.HHZ. 2022-11-25T01:29:11.96 0.1 undecidable manual P 314 47.2194 50 -0.1 93
IV.BADI.EHZ. 2022-11-25T01:29:10.65 0.1 undecidable manual P 111 38.3283 50 -0.04 95
IV.ATMC.EHE. 2022-11-25T01:29:10.32 0.1 undecidable manual P 124 37.9287 50 -0.3 90
IV.VMGN.HHN. 2022-11-25T01:29:10.93 0.1 undecidable manual P 329 41.3253 50 -0.21 91
IV.CAFI.HHZ. 2022-11-25T01:29:10.07 0.3 undecidable manual P 159 36.6411 50 -0.35 67
IV.PARC.HHE. 2022-11-25T01:29:09.98 0.1 undecidable manual P 88 35.1426 50 -0.22 92
IT.SNS1.HNZ. 2022-11-25T01:29:09.19 0.3 undecidable manual P 105 27.4503 50 0.18 71
IV.RUFI.EHE. 2022-11-25T01:29:09.35 0.1 undecidable manual P 314 32.3454 50 -0.41 89
IV.SFI.EHZ. 2022-11-25T01:29:09.28 0.3 undecidable manual P 7 30.0477 50 -0.12 71
IV.SSP9.EHZ. 2022-11-25T01:29:08.94 0.3 undecidable manual P 105 27.4503 50 -0.07 72
IV.CRE.HHZ. 2022-11-25T01:29:08.53 0.6 undecidable manual S 99 12.2766 128 -0.08 49
IV.CRE.HHZ. 2022-11-25T01:29:06.34 0.1 positive manual P 99 12.2766 128 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:2.2 0.0017749999999999999 0.26 AML other m 2022-11-25T01:29:08.61
IV.CRE.HHE. ML:2.1 0.00151 1.26 AML other m 2022-11-25T01:29:09.74
IV.SSP9.EHE. ML:1.5 0.00017999999999999998 0.66 AML other m 2022-11-25T01:29:13.41
IV.SFI.EHE. ML:1.5 0.00014600000000000003 0.36 AML other m 2022-11-25T01:29:14.14
IV.SSP9.EHN. ML:1.6 0.00020600000000000002 0.76 AML other m 2022-11-25T01:29:14.44
IV.SFI.EHN. ML:1.3 0.0001065 1.42 AML other m 2022-11-25T01:29:14.94
IV.CAFI.HHE. ML:1.4 0.00009375 1.16 AML other m 2022-11-25T01:29:16.02
IV.CAFI.HHN. ML:1.3 0.00006939999999999999 0.78 AML other m 2022-11-25T01:29:17.04
IV.BADI.EHE. ML:1.9 0.0002715 0.2 AML other m 2022-11-25T01:29:17.06
IV.BADI.EHN. ML:2.0 0.000407 0.2 AML other m 2022-11-25T01:29:17.14
IV.CSNT.HHN. ML:1.8 0.0001715 0.72 AML other m 2022-11-25T01:29:18.10
IV.CSNT.HHE. ML:1.5 0.00009175 1.22 AML other m 2022-11-25T01:29:18.85
IV.BOSL.HHN. ML:1.4 0.00006305 0.2 AML other m 2022-11-25T01:29:19.71
IV.BOSL.HHE. ML:1.3 0.0000592 0.46 AML other m 2022-11-25T01:29:19.71
IV.LMD.HHN. ML:1.8 0.00017050000000000002 1.58 AML other m 2022-11-25T01:29:19.19
IV.LMD.HHE. ML:1.8 0.00016099999999999998 0.12 AML other m 2022-11-25T01:29:20.03
IV.ATMI.HHN. ML:1.9 0.00019250000000000002 1.24 AML other m 2022-11-25T01:29:20.78
IV.ATMI.HHE. ML:1.7 0.000135 0.7 AML other m 2022-11-25T01:29:20.49
IV.ATPI.EHE. ML:1.5 0.00008635000000000001 0.18 AML other m 2022-11-25T01:29:21.14
IV.ATPI.EHN. ML:1.5 0.00007775 0.6 AML other m 2022-11-25T01:29:21.87
IV.PIEI.HHN. ML:1.3 0.0000466 0.74 AML other m 2022-11-25T01:29:23.23
IV.PIEI.HHE. ML:1.5 0.00006445 0.22 AML other m 2022-11-25T01:29:23.72
IV.NARO.HHN. ML:1.3 0.0000373 0.82 AML other m 2022-11-25T01:29:23.51
IV.NARO.HHE. ML:1.2 0.0000276 0.56 AML other m 2022-11-25T01:29:24.11
IV.ATVO.HHN. ML:1.4 0.000058700000000000004 1.06 AML other m 2022-11-25T01:29:25.29
IV.SEI.HHN. ML:1.7 0.000106 0.52 AML other m 2022-11-25T01:29:25.04
IV.ATVO.HHE. ML:1.5 0.00007630000000000001 0.2 AML other m 2022-11-25T01:29:25.55
IV.MPPT.EHN. ML:1.6 0.00007555000000000001 0.92 AML other m 2022-11-25T01:29:25.71
IV.FRON.EHE. ML:1.3 0.000027700000000000002 0.46 AML other m 2022-11-25T01:29:27.23
IV.MPPT.EHE. ML:1.7 0.0000973 1.52 AML other m 2022-11-25T01:29:27.10
IV.SEI.HHE. ML:1.4 0.0000566 0.42 AML other m 2022-11-25T01:29:29.28
IV.SSFR.HHE. ML:1.6 0.0000579 0.56 AML other m 2022-11-25T01:29:30.65
IV.SSFR.HHN. ML:1.8 0.0000852 0.96 AML other m 2022-11-25T01:29:31.49
IV.FRON.EHN. ML:1.3 0.0000321 0.42 AML other m 2022-11-25T01:29:31.22
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