Earthquake with magnitude of ML 1.6 on date 20-11-2022 and time 03:46:58 (Italy) in region 3 km W Castel Focognano (AR)

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

  • 20-11-2022 02:46:58 (UTC)
  • 20-11-2022 03:46:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6420, 11.8040 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.

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 5 1062 4211
Ortignano Raggiolo AR 6 878 5089
Bibbiena AR 6 12241 17330
Chitignano AR 7 899 18229
Subbiano AR 9 6331 24560
Poppi AR 10 6160 30720
Capolona AR 10 5438 36158
Chiusi della Verna AR 13 2023 38181
Castiglion Fibocchi AR 13 2167 40348
Castel San Niccolò AR 14 2707 43055
Caprese Michelangelo AR 15 1426 44481
Loro Ciuffenna AR 15 5819 50300
Laterina AR 17 3517 53817
Pratovecchio Stia AR 18 5845 59662
Montemignaio AR 18 566 60228
Pieve Santo Stefano AR 20 3183 63411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 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)
65 Km SW of Cesena (96758 inhabitants)
67 Km S of Forlì (117913 inhabitants)
72 Km S of Faenza (58541 inhabitants)
76 Km NW of Perugia (166134 inhabitants)
77 Km SW of Rimini (147750 inhabitants)
78 Km E of Pistoia (90315 inhabitants)
80 Km S of Imola (69797 inhabitants)
92 Km SW of Ravenna (159116 inhabitants)
94 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 2022-11-20
02:46:58
43.6423 11.8035 10 2024-03-01
15:28:06
Bollettino Sismico Italiano INGV 112289081
Reviewed
Rev100
ML 1.6 2022-11-20
02:46:58
43.6425 11.7947 10 2022-11-20
03:03:26
Sala Sismica INGV-Roma 112010201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-20 02:46:58 ± 0.07
Latitude 43.6423 ± 0.0027
Longitude 11.8035 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112289081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 305
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82558
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 112010201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-20 03:03:26

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 112289081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-28 08:07:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2022-11-20T02:48:26.90 3.0 undecidable manual Sn -1.89 0
NI.POLC.HHZ. 2022-11-20T02:48:05.16 3.0 undecidable manual Sn -5.89 0
IV.MSSA.HHZ. 2022-11-20T02:47:57.75 3.0 undecidable manual Sg 0.98 0
GU.CANO.HHZ. 2022-11-20T02:47:45.09 3.0 undecidable manual Pn 1.67 0
NI.POLC.HHZ. 2022-11-20T02:47:38.67 3.0 positive manual Pn -0.91 0
IV.MSSA.HHZ. 2022-11-20T02:47:35.32 3.0 positive manual Pg 3.76 0
IV.MGAB.HHZ. 2022-11-20T02:47:24.60 0.3 undecidable manual S 163 84.7485 50 0.29 63
IV.FROS.CHE. 2022-11-20T02:47:20.48 0.3 undecidable manual S 228 70.8735 50 -0.14 67
IV.PIEI.HHZ. 2022-11-20T02:47:17.89 0.3 undecidable manual S 101 59.9955 50 0.19 68
IV.ATPI.EHZ. 2022-11-20T02:47:15.52 0.3 undecidable manual S 114 52.6029 50 -0.23 68
IV.ATMI.HHZ. 2022-11-20T02:47:15.32 0.3 undecidable manual S 132 50.7159 50 0.1 70
IV.LMD.HHZ. 2022-11-20T02:47:15.08 0.3 undecidable manual S 351 48.9177 50 0.34 67
IV.BOSL.HHZ. 2022-11-20T02:47:14.53 0.3 undecidable manual S 313 46.9197 50 0.3 68
IV.ARCI.HHZ. 2022-11-20T02:47:14.85 0.6 undecidable manual P 197 91.6416 50 0.19 42
IV.MGAB.HHZ. 2022-11-20T02:47:14.17 0.3 undecidable manual P 163 84.7485 50 0.58 58
IV.SACS.HHE. 2022-11-20T02:47:14.54 0.3 undecidable manual P 174 88.4448 50 0.38 62
IT.FIE.HGE. 2022-11-20T02:47:13.64 0.6 undecidable manual S 294 44.7219 50 0 48
IV.CSNT.HHZ. 2022-11-20T02:47:13.65 0.3 undecidable manual S 246 45.3213 50 -0.15 70
IV.MALA1.EHN. 2022-11-20T02:47:12.48 0.3 undecidable manual P 201 75.5688 50 0.3 64
IV.VMGN.HHN. 2022-11-20T02:47:12.83 0.6 undecidable manual S 328 40.8258 50 0.23 46
IV.MALA4.EHZ. 2022-11-20T02:47:12.37 0.6 undecidable manual P 201 75.369 50 0.22 43
IV.MURB.HHZ. 2022-11-20T02:47:11.40 0.1 undecidable manual P 126 71.6727 50 -0.19 88
IV.BADI.EHZ. 2022-11-20T02:47:11.83 0.3 undecidable manual S 112 38.3283 50 -0.11 71
IV.MALA5.EHN. 2022-11-20T02:47:11.86 0.1 undecidable manual P 201 75.2691 50 -0.27 86
IV.CAFI.HHZ. 2022-11-20T02:47:11.47 0.3 undecidable manual S 159 37.1295 50 -0.14 71
IV.FROS.CHE. 2022-11-20T02:47:11.85 0.1 undecidable manual P 228 70.8735 50 0.39 85
IV.PARC.HHZ. 2022-11-20T02:47:10.82 0.3 undecidable manual S 89 34.9428 50 -0.2 70
IV.BRIS.HHN. 2022-11-20T02:47:10.54 0.1 undecidable manual P 357 64.6908 50 0.04 92
IV.RUFI.EHZ. 2022-11-20T02:47:09.93 0.3 undecidable manual S 313 32.0457 50 -0.32 69
IV.SFI.EHZ. 2022-11-20T02:47:09.44 0.3 undecidable manual S 7 29.3484 50 -0.08 73
IT.SNS1.HNZ. 2022-11-20T02:47:09.08 0.6 undecidable manual S 106 27.4503 50 0.06 49
IV.PIEI.HHZ. 2022-11-20T02:47:09.77 0.3 undecidable manual P 101 59.9955 50 -0.01 70
IV.SEI.HHZ. 2022-11-20T02:47:09.75 0.1 undecidable manual P 322 57.8976 50 0.29 89
Y1.T1756.HNZ. 2022-11-20T02:47:08.84 0.3 undecidable manual P 27 52.1034 50 0.28 67
IV.ATPI.EHZ. 2022-11-20T02:47:08.43 0.3 undecidable manual P 114 52.6029 50 -0.22 68
IV.ATMI.HHZ. 2022-11-20T02:47:08.26 0.3 undecidable manual P 132 50.7159 50 -0.09 70
IV.CSNT.HHZ. 2022-11-20T02:47:07.28 0.3 undecidable manual P 246 45.3213 50 -0.24 69
IV.BOSL.HHZ. 2022-11-20T02:47:07.66 0.3 undecidable manual P 313 46.9197 50 -0.11 70
IT.FIE.HGE. 2022-11-20T02:47:07.29 0.1 undecidable manual P 294 44.7219 50 -0.14 94
IV.LMD.HHZ. 2022-11-20T02:47:07.90 0.3 undecidable manual P 351 48.9177 50 -0.17 69
IV.OSSC.HHZ. 2022-11-20T02:47:07.55 0.3 undecidable manual P 254 46.7199 50 -0.19 69
IV.BADI.EHZ. 2022-11-20T02:47:06.28 0.3 undecidable manual P 112 38.3283 50 -0.17 71
IV.VMGN.HHN. 2022-11-20T02:47:06.72 0.1 undecidable manual P 328 40.8258 50 -0.11 95
IV.CAFI.HHZ. 2022-11-20T02:47:05.95 0.1 undecidable manual P 159 37.1295 50 -0.31 92
IV.RUFI.EHZ. 2022-11-20T02:47:05.19 0.3 undecidable manual P 313 32.0457 50 -0.28 70
IT.SNS1.HNZ. 2022-11-20T02:47:05.07 0.1 undecidable manual P 106 27.4503 50 0.31 93
IV.PARC.HHZ. 2022-11-20T02:47:05.85 0.3 undecidable manual P 89 34.9428 50 -0.07 72
IV.SFI.EHZ. 2022-11-20T02:47:04.96 0.3 undecidable manual P 7 29.3484 50 -0.09 73
IV.CRE.HHZ. 2022-11-20T02:47:04.27 0.3 undecidable manual S 102 12.1767 129 -0.09 75
IV.CRE.HHZ. 2022-11-20T02:47:02.17 0.1 positive manual P 102 12.1767 129 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHE. ML:1.9 0.000892 0.68 AML other m 2022-11-20T02:47:04.57
IV.CRE.HHN. ML:1.9 0.000888 1.84 AML other m 2022-11-20T02:47:05.97
IV.BADI.EHE. ML:1.6 0.00013450000000000002 1.24 AML other m 2022-11-20T02:47:12.27
IV.BADI.EHN. ML:1.6 0.0001485 0.52 AML other m 2022-11-20T02:47:13.84
IV.BOSL.HHN. ML:1.2 0.00004975 0.18 AML other m 2022-11-20T02:47:15.65
IV.BOSL.HHE. ML:1.2 0.00004355000000000001 0.12 AML other m 2022-11-20T02:47:15.77
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