Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-11-2020 and time 00:30:29 (Italy) in region 3 km S Pieve Santo Stefano (AR)

A magnitude ML 1.2 earthquake occured in region: 3 km S Pieve Santo Stefano (AR), on

  • 10-11-2020 23:30:29 (UTC)
  • 11-11-2020 00:30:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6450, 12.0470 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
Pieve Santo Stefano AR 3 3183 3183
Caprese Michelangelo AR 5 1426 4609
Chiusi della Verna AR 11 2023 6632
Sansepolcro AR 11 15884 22516
Anghiari AR 12 5638 28154
Badia Tedalda AR 13 1087 29241
Chitignano AR 14 899 30140
San Giustino PG 15 11297 41437
Subbiano AR 16 6331 47768
Castel Focognano AR 17 3149 50917
Citerna PG 17 3531 54448
Verghereto FC 17 1907 56355
Capolona AR 18 5438 61793
Monterchi AR 18 1757 63550
Casteldelci RN 19 407 63957
Bibbiena AR 19 12241 76198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
57 Km S of Cesena (96758 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
64 Km S of Forlì (117913 inhabitants)
65 Km E of Firenze (382808 inhabitants)
66 Km NW of Perugia (166134 inhabitants)
68 Km NE of Siena (53903 inhabitants)
71 Km E of Scandicci (50609 inhabitants)
73 Km S of Faenza (58541 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
81 Km E of Prato (191150 inhabitants)
81 Km W of Fano (60888 inhabitants)
83 Km SE of Imola (69797 inhabitants)
87 Km S of Ravenna (159116 inhabitants)
93 Km NW of Foligno (57155 inhabitants)
96 Km E of Pistoia (90315 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 2020-11-10
23:30:29		 43.6447 12.0473 9 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86501901
Reviewed
Rev100 		ML 1.1 2020-11-10
23:30:29		 43.638 12.0423 9 2020-11-10
23:44:49		 Sala Sismica INGV-Roma 84617521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-10 23:30:29 ± 0.06
Latitude 43.6447 ± 0.0045
Longitude 12.0473 ± 0.0050
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86501901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 498
Semi-minor axis of confidence ellipse (meter) 325
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
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) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 86501901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-23 16:58:13

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 84617521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-10 23:44:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-11-10T23:30:43.35 0.6 undecidable manual S 95 43.0236 50 -0.34 46
IV.ATVO.HHZ. 2020-11-10T23:30:43.43 0.6 undecidable manual S 135 41.0256 50 0.26 46
IV.ARVD.HHZ. 2020-11-10T23:30:42.60 0.6 undecidable manual P 102 73.6707 50 0.24 44
IV.ATMI.HHZ. 2020-11-10T23:30:42.34 0.6 undecidable manual S 153 38.7279 50 -0.22 48
IV.BRIS.HNE. 2020-11-10T23:30:42.31 0.6 undecidable manual P 341 68.0763 50 0.81 37
IV.PE3.EHZ. 2020-11-10T23:30:42.32 0.6 undecidable manual S 81 36.4413 50 0.37 46
IV.CAFI.HHZ. 2020-11-10T23:30:41.72 0.3 undecidable manual S 191 35.6421 50 0 72
IV.APEC.HHZ. 2020-11-10T23:30:40.68 0.6 undecidable manual S 108 31.4463 50 0.08 49
IV.SFI.EHZ. 2020-11-10T23:30:40.82 0.3 undecidable manual S 331 33.0447 50 -0.21 72
IV.CPGN.EHZ. 2020-11-10T23:30:40.57 0.3 undecidable manual S 52 27.9498 108 1.02 57
IV.MPAG.EHZ. 2020-11-10T23:30:39.61 0.3 undecidable manual P 91 57.1983 50 -0.21 69
IV.FRON.EHZ. 2020-11-10T23:30:39.39 0.3 undecidable manual P 104 56.2992 50 -0.29 68
IV.ATFO.HHZ. 2020-11-10T23:30:39.02 0.6 undecidable manual P 126 52.2033 50 -0.03 48
IV.MURB.HHZ. 2020-11-10T23:30:39.94 0.3 undecidable manual P 138 57.1983 50 0.12 69
IV.RUFI.EHZ. 2020-11-10T23:30:38.63 0.3 undecidable manual P 297 48.1185 50 0.21 69
IV.ATMC.EHZ. 2020-11-10T23:30:38.29 0.3 undecidable manual S 152 24.8529 110 -0.25 72
IV.ASQU.HHZ. 2020-11-10T23:30:38.82 0.6 undecidable manual S 309 26.6511 109 -0.32 47
IV.BADI.EHZ. 2020-11-10T23:30:37.52 0.3 undecidable manual S 133 21.7671 113 -0.03 75
IV.NARO.HHZ. 2020-11-10T23:30:37.32 0.1 undecidable manual P 95 43.0236 50 -0.31 92
IV.ATVO.HHZ. 2020-11-10T23:30:37.15 0.3 undecidable manual P 135 41.0256 50 -0.18 72
IV.PE3.EHZ. 2020-11-10T23:30:36.58 0.1 undecidable manual P 81 36.4413 50 -0.05 98
IV.CAFI.HHZ. 2020-11-10T23:30:36.51 0.3 undecidable manual P 191 35.6421 50 0.02 73
IV.ATMI.HHZ. 2020-11-10T23:30:36.92 0.3 undecidable manual P 153 38.7279 50 -0.05 74
IV.CPGN.EHZ. 2020-11-10T23:30:35.50 0.3 undecidable manual P 52 27.9498 108 0.26 72
IV.APEC.HHZ. 2020-11-10T23:30:35.75 0.1 undecidable manual P 108 31.4463 50 -0.09 99
IV.SFI.EHZ. 2020-11-10T23:30:35.80 0.3 undecidable manual P 331 33.0447 50 -0.29 71
IV.PARC.HHZ. 2020-11-10T23:30:35.02 0.3 undecidable manual S 88 15.3735 121 -0.53 66
IV.SSP9.EHZ. 2020-11-10T23:30:34.11 0.3 undecidable manual S 139 10.3785 132 -0.04 76
IV.BADI.EHZ. 2020-11-10T23:30:34.02 0.1 undecidable manual P 133 21.7671 113 -0.06 100
IT.SNS1.HNZ. 2020-11-10T23:30:34.68 0.3 undecidable manual S 140 10.3785 132 0.52 71
IV.ATMC.EHZ. 2020-11-10T23:30:34.53 0.1 undecidable manual P 152 24.8529 110 -0.12 98
IV.ASQU.HHZ. 2020-11-10T23:30:34.74 0.1 undecidable manual P 309 26.6511 109 -0.26 95
IV.CRE.HHZ. 2020-11-10T23:30:33.69 0.3 undecidable manual S 250 8.1807 138 0.07 78
IV.PARC.HHZ. 2020-11-10T23:30:32.79 0.1 positive manual P 88 15.3735 121 -0.14 98
IV.CRE.HHZ. 2020-11-10T23:30:32.06 0.1 undecidable manual P 250 8.1807 138 0.25 99
IV.SSP9.EHZ. 2020-11-10T23:30:32.33 0.1 undecidable manual P 139 10.3785 132 0.21 100
IT.SNS1.HNZ. 2020-11-10T23:30:32.49 0.3 undecidable manual P 140 10.3785 132 0.37 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:1.5 0.0004479986 1.8208 AML other m 2020-11-10T23:30:33.95
IV.CRE.HHE. ML:1.2 0.0002503122 0.128 AML other m 2020-11-10T23:30:34.34
IV.SSP9.EHE. ML:1.2 0.0002306936 0.1408 AML other m 2020-11-10T23:30:34.72
IV.SSP9.EHN. ML:1.5 0.000382092 0.256 AML other m 2020-11-10T23:30:34.75
IV.PARC.HHN. ML:1.6 0.000362561925 0.128 AML other m 2020-11-10T23:30:35.40
IV.PARC.HHE. ML:1.2 0.00014349 0.1792 AML other m 2020-11-10T23:30:35.63
IV.BADI.EHE. ML:1.0 0.00007444128 0.1408 AML other m 2020-11-10T23:30:38.09
IV.BADI.EHN. ML:1.1 0.000094944575 0.2816 AML other m 2020-11-10T23:30:39.48
IV.ASQU.HHN. ML:0.6 0.000021686785 0.1664 AML other m 2020-11-10T23:30:40.60
IV.ASQU.HHE. ML:0.7 0.000029290085 0.192 AML other m 2020-11-10T23:30:40.88
IV.APEC.HHE. ML:1.2 0.000074409975 0.0512 AML other m 2020-11-10T23:30:41.57
IV.APEC.HHN. ML:1.4 0.00010365946000000001 0.256 AML other m 2020-11-10T23:30:41.72
IV.CPGN.EHE. ML:1.2 0.000079852225 0.3456 AML other m 2020-11-10T23:30:41.89
IV.CAFI.HHN. ML:1.0 0.00004231339500000001 0.1536 AML other m 2020-11-10T23:30:42.01
IV.CPGN.HNE. ML:1.4 0.000118920595 0.2944 AML other m 2020-11-10T23:30:42.58
IV.CPGN.EHN. ML:1.3 0.00011231604500000001 0.2176 AML other m 2020-11-10T23:30:42.59
IV.PE3.EHN. ML:2.2 0.0006280067 0.2816 AML other m 2020-11-10T23:30:42.85
IV.CAFI.HHE. ML:0.9 0.0000284716 0.1536 AML other m 2020-11-10T23:30:42.87
IV.PE3.EHE. ML:2.3 0.00085813515 1.6672 AML other m 2020-11-10T23:30:42.85
IV.SFI.EHE. ML:0.8 0.000025832445000000003 0.1792 AML other m 2020-11-10T23:30:43.62
IV.SFI.EHN. ML:0.8 0.000023565635000000003 0.1408 AML other m 2020-11-10T23:30:43.62
IV.NARO.HHN. ML:1.3 0.00006014921 0.0512 AML other m 2020-11-10T23:30:43.89
IV.ATMI.HHE. ML:1.3 0.00007002024000000001 0.2048 AML other m 2020-11-10T23:30:43.93
IV.ATMI.HHN. ML:1.2 0.000060381735 0.1792 AML other m 2020-11-10T23:30:44.19
IV.ATVO.HHN. ML:1.0 0.00003577275 0.1792 AML other m 2020-11-10T23:30:44.51
IV.ATVO.HHE. ML:1.0 0.000034666635 0.128 AML other m 2020-11-10T23:30:44.49
IV.NARO.HHE. ML:1.2 0.000049830075 0.0896 AML other m 2020-11-10T23:30:45.29
IV.ATFO.HHN. ML:1.2 0.000036882955 1.7824 AML other m 2020-11-10T23:30:46.06
IV.ATFO.HHE. ML:1.4 0.00005281140500000001 0.2304 AML other m 2020-11-10T23:30:47.77
IV.MPAG.EHN. ML:1.1 0.000024293040000000002 0.1536 AML other m 2020-11-10T23:30:48.38
IV.FRON.EHE. ML:0.8 0.000013970634999999999 0.1024 AML other m 2020-11-10T23:30:48.83
IV.MPAG.EHE. ML:1.1 0.00002687506 0.1792 AML other m 2020-11-10T23:30:49.43
IV.FRON.EHN. ML:1.2 0.000032581159999999996 0.1024 AML other m 2020-11-10T23:30:49.89
IV.MURB.HHN. ML:1.4 0.00006048317 0.2048 AML other m 2020-11-10T23:30:50.31
IV.MURB.HHE. ML:1.4 0.000057839324999999995 0.2432 AML other m 2020-11-10T23:30:50.41
IV.ARVD.HHN. ML:0.8 0.000011019419800000001 0.1152 AML other m 2020-11-10T23:30:53.64
IV.ARVD.HHE. ML:0.8 0.000011585595000000001 0.3328 AML other m 2020-11-10T23:30:54.44
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