Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 25-11-2022 and time 05:14:55 (Italy) in region 4 km W Castel Focognano (AR)

A magnitude ML 1.2 earthquake occured in region: 4 km W Castel Focognano (AR), on

  • 25-11-2022 04:14:55 (UTC)
  • 25-11-2022 05:14:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6420, 11.7950 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 4 3149 3149
Talla AR 4 1062 4211
Ortignano Raggiolo AR 6 878 5089
Bibbiena AR 6 12241 17330
Chitignano AR 7 899 18229
Subbiano AR 10 6331 24560
Poppi AR 10 6160 30720
Capolona AR 10 5438 36158
Castiglion Fibocchi AR 13 2167 38325
Chiusi della Verna AR 13 2023 40348
Castel San Niccolò AR 13 2707 43055
Loro Ciuffenna AR 14 5819 48874
Caprese Michelangelo AR 16 1426 50300
Laterina AR 16 3517 53817
Pratovecchio Stia AR 18 5845 59662
Montemignaio AR 18 566 60228
Castelfranco Piandiscò AR 19 9632 69860
Terranuova Bracciolini AR 20 12346 82206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 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)
62 Km E of Prato (191150 inhabitants)
66 Km SW of Cesena (96758 inhabitants)
68 Km SW of Forlì (117913 inhabitants)
72 Km S of Faenza (58541 inhabitants)
76 Km NW of Perugia (166134 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
78 Km SW of Rimini (147750 inhabitants)
79 Km S of Imola (69797 inhabitants)
92 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 1.2 2022-11-25
04:14:55		 43.642 11.7947 10 2024-03-01
15:28:25		 Bollettino Sismico Italiano INGV 118244801
Reviewed
Rev100 		ML 1.2 2022-11-25
04:14:55		 43.6417 11.7965 9 2022-11-25
04:23:55		 Sala Sismica INGV-Roma 112189351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-25 04:14:55 ± 0.11
Latitude 43.6420 ± 0.0054
Longitude 11.7947 ± 0.0062
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 118244801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 606
Semi-minor axis of confidence ellipse (meter) 439
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.51441
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 112189351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-25 04:23:55

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118244801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-09 16:13:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2022-11-25T04:15:14.36 0.6 undecidable manual S 120 57.0984 50 0.63 40
IV.BOSL.HHE. 2022-11-25T04:15:11.44 0.6 undecidable manual S 314 46.5201 50 0.53 43
IV.LMD.HHZ. 2022-11-25T04:15:11.97 0.6 undecidable manual S 352 48.8178 50 0.44 43
IV.CSNT.HHE. 2022-11-25T04:15:10.42 0.6 undecidable manual S 245 44.622 50 -0.01 48
IV.BADI.EHZ. 2022-11-25T04:15:09.24 0.6 undecidable manual S 112 39.0276 50 0.32 45
IV.VMGN.HHE. 2022-11-25T04:15:09.62 0.6 undecidable manual S 329 40.5261 50 0.3 45
IV.CAFI.HHZ. 2022-11-25T04:15:08.08 0.6 undecidable manual S 158 37.3293 50 -0.39 45
IV.PARC.HHZ. 2022-11-25T04:15:07.76 0.6 undecidable manual S 89 35.6421 50 -0.26 46
IV.SFI.EHZ. 2022-11-25T04:15:06.32 0.6 undecidable manual S 8 29.4483 50 -0.05 49
IV.RUFI.EHN. 2022-11-25T04:15:06.72 0.3 undecidable manual S 314 31.5462 50 -0.2 71
IV.ATVO.HHZ. 2022-11-25T04:15:06.10 0.3 undecidable manual P 120 57.0984 50 -0.02 70
IV.SSP9.EHZ. 2022-11-25T04:15:06.01 0.6 undecidable manual S 105 28.0497 50 0.01 49
IV.BOSL.HHE. 2022-11-25T04:15:04.59 0.1 undecidable manual P 314 46.5201 50 0.1 94
IV.LMD.HHZ. 2022-11-25T04:15:04.88 0.3 undecidable manual P 352 48.8178 50 0.04 71
IV.CSNT.HHE. 2022-11-25T04:15:04.64 0.3 undecidable manual P 245 44.622 50 0.43 66
IV.BADI.EHZ. 2022-11-25T04:15:03.29 0.3 undecidable manual P 112 39.0276 50 -0.04 72
IV.VMGN.HHE. 2022-11-25T04:15:02.75 0.3 undecidable manual P 329 40.5261 50 -0.82 57
IV.PARC.HHZ. 2022-11-25T04:15:02.68 0.3 undecidable manual P 89 35.6421 50 -0.14 71
IV.SSP9.EHZ. 2022-11-25T04:15:02.06 0.3 undecidable manual P 105 28.0497 50 0.41 68
IV.CAFI.HHZ. 2022-11-25T04:15:02.99 0.3 undecidable manual P 158 37.3293 50 -0.09 72
IV.ATMC.EHE. 2022-11-25T04:15:02.98 0.3 undecidable manual P 124 38.628 50 -0.3 68
IV.RUFI.EHN. 2022-11-25T04:15:01.97 0.1 undecidable manual P 314 31.5462 50 -0.21 94
IV.CRE.HHZ. 2022-11-25T04:15:01.16 0.3 undecidable manual S 101 12.876 127 -0.11 74
IV.SFI.EHZ. 2022-11-25T04:15:01.73 0.3 undecidable manual P 8 29.4483 50 -0.13 72
IV.CRE.HHZ. 2022-11-25T04:14:58.99 0.1 undecidable manual P 101 12.876 127 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.4 0.0002665 0.24 AML other m 2022-11-25T04:15:01.30
IV.CRE.HHE. ML:1.2 0.000188 0.74 AML other m 2022-11-25T04:15:01.42
IV.PARC.HHN. ML:1.2 0.0000576 0.42 AML other m 2022-11-25T04:15:07.76
IV.PARC.HHE. ML:0.9 0.00002895 0.24 AML other m 2022-11-25T04:15:08.42
IV.BADI.EHE. ML:1.2 0.000060549999999999995 0.18 AML other m 2022-11-25T04:15:09.83
IV.BADI.EHN. ML:1.4 0.00007985 0.18 AML other m 2022-11-25T04:15:09.82
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