Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 12-07-2020 and time 19:30:06 (Italy) in region 1 km W Pieve Santo Stefano (AR)

A magnitude ML 1.6 earthquake occured in region: 1 km W Pieve Santo Stefano (AR), on

  • 12-07-2020 17:30:06 (UTC)
  • 12-07-2020 19:30:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6690, 12.0310 at 8 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 1 3183 3183
Caprese Michelangelo AR 4 1426 4609
Chiusi della Verna AR 8 2023 6632
Chitignano AR 12 899 7531
Badia Tedalda AR 13 1087 8618
Sansepolcro AR 14 15884 24502
Anghiari AR 14 5638 30140
Verghereto FC 14 1907 32047
Castel Focognano AR 16 3149 35196
Subbiano AR 16 6331 41527
Casteldelci RN 17 407 41934
Bibbiena AR 17 12241 54175
San Giustino PG 18 11297 65472
Capolona AR 18 5438 70910

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NE of Arezzo (99543 inhabitants)
55 Km SW of Cesena (96758 inhabitants)
61 Km SW of Rimini (147750 inhabitants)
62 Km S of Forlì (117913 inhabitants)
63 Km E of Firenze (382808 inhabitants)
68 Km NE of Siena (53903 inhabitants)
69 Km NW of Perugia (166134 inhabitants)
69 Km E of Scandicci (50609 inhabitants)
70 Km S of Faenza (58541 inhabitants)
76 Km W of Pesaro (94582 inhabitants)
79 Km E of Prato (191150 inhabitants)
80 Km SE of Imola (69797 inhabitants)
82 Km W of Fano (60888 inhabitants)
84 Km S of Ravenna (159116 inhabitants)
94 Km E of Pistoia (90315 inhabitants)
96 Km NW of Foligno (57155 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 2020-07-12
17:30:06		 43.6687 12.0307 8 2020-11-19
12:37:04		 Bollettino Sismico Italiano INGV 83777451
Reviewed
Rev100 		ML 1.6 2020-07-12
17:30:06		 43.6672 12.0252 9 2020-07-12
17:35:09		 Sala Sismica INGV-Roma 80985831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-12 17:30:06 ± 0.05
Latitude 43.6687 ± 0.0045
Longitude 12.0307 ± 0.0050
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83777451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 533
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
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 41
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
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 83777451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-14 15:33:14

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 80985831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-12 17:35:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2020-07-12T17:30:27.40 0.6 undecidable manual S 138 60.0954 50 1.43 27
IV.MPAG.EHZ. 2020-07-12T17:30:25.90 0.1 undecidable manual S 94 58.6968 50 0.3 88
IV.FRON.EHZ. 2020-07-12T17:30:25.90 0.3 undecidable manual S 106 58.2972 50 0.4 65
IV.LMD.HHZ. 2020-07-12T17:30:24.30 0.1 undecidable manual S 330 52.2033 50 0.43 87
IV.RUFI.EHZ. 2020-07-12T17:30:22.10 0.3 undecidable manual S 294 45.8208 50 -0.05 71
IV.PIEI.HHZ. 2020-07-12T17:30:21.10 0.1 undecidable manual S 110 43.1235 50 -0.34 90
IV.RINC.HHN. 2020-07-12T17:30:21.02 0.1 undecidable manual S 306 41.625 50 -0.03 96
IV.ATVO.HHZ. 2020-07-12T17:30:21.70 0.3 undecidable manual S 136 43.8228 50 0.05 71
IV.ATMI.HHZ. 2020-07-12T17:30:21.30 0.3 undecidable manual S 153 41.7249 50 0.23 69
IV.NARO.HHZ. 2020-07-12T17:30:21.50 0.1 undecidable manual S 98 44.622 50 -0.34 90
IV.PE3.EHZ. 2020-07-12T17:30:20.60 0.3 undecidable manual S 85 37.5291 50 0.66 62
IV.ATPI.EHZ. 2020-07-12T17:30:19.80 0.3 undecidable manual S 129 38.4282 50 -0.39 67
IV.MURB.HHZ. 2020-07-12T17:30:18.01 0.1 undecidable manual P 138 60.0954 50 0.11 91
IV.APEC.HHZ. 2020-07-12T17:30:18.89 3.0 undecidable manual S 0
IV.FRON.EHZ. 2020-07-12T17:30:17.28 0.1 undecidable manual P 106 58.2972 50 -0.35 87
IV.ATMC.EHE. 2020-07-12T17:30:17.02 0.1 undecidable manual S 152 27.8499 107 0.04 98
IV.SFI.EHZ. 2020-07-12T17:30:17.60 0.3 undecidable manual S 331 30.0477 106 -0.11 72
IV.MPAG.EHZ. 2020-07-12T17:30:17.47 0.1 undecidable manual P 94 58.6968 50 -0.22 90
IV.LMD.HHZ. 2020-07-12T17:30:16.75 0.1 undecidable manual P 330 52.2033 50 0.06 94
IV.NARO.HHZ. 2020-07-12T17:30:15.16 0.1 undecidable manual P 98 44.622 50 -0.36 89
IV.RUFI.EHZ. 2020-07-12T17:30:15.53 0.1 undecidable manual P 294 45.8208 50 -0.17 93
IV.ASQU.HHZ. 2020-07-12T17:30:15.50 0.1 undecidable manual S 306 23.9538 109 -0.21 96
IV.RINC.HHN. 2020-07-12T17:30:15.06 0.3 undecidable manual P 306 41.625 50 -0.01 72
IV.ATVO.HHZ. 2020-07-12T17:30:15.19 0.1 undecidable manual P 136 43.8228 50 -0.22 92
IV.ATMI.HHZ. 2020-07-12T17:30:15.52 0.1 undecidable manual P 153 41.7249 50 0.44 88
IV.BADI.EHZ. 2020-07-12T17:30:15.80 0.3 undecidable manual S 136 24.6531 109 -0.11 73
IV.PE3.EHZ. 2020-07-12T17:30:14.32 0.1 undecidable manual P 85 37.5291 50 -0.1 95
IV.PIEI.HHZ. 2020-07-12T17:30:14.97 0.1 undecidable manual P 110 43.1235 50 -0.32 90
IV.ATPI.EHZ. 2020-07-12T17:30:14.20 0.1 undecidable manual P 129 38.4282 50 -0.37 90
IV.CPGN.EHZ. 2020-07-12T17:30:13.20 0.1 undecidable manual P 58 27.4503 107 0.55 88
IV.PARC.HHZ. 2020-07-12T17:30:13.30 0.1 undecidable manual S 97 16.872 117 -0.12 99
IV.SFI.EHZ. 2020-07-12T17:30:13.17 0.1 undecidable manual P 331 30.0477 106 0.03 98
IV.SSP9.EHZ. 2020-07-12T17:30:12.40 0.3 undecidable manual S 142 13.2756 122 0.06 75
IV.BADI.EHZ. 2020-07-12T17:30:12.05 0.1 undecidable manual P 136 24.6531 109 -0.05 99
IV.ATMC.EHE. 2020-07-12T17:30:12.64 0.1 undecidable manual P 152 27.8499 107 -0.07 98
IV.ASQU.HHZ. 2020-07-12T17:30:11.92 0.1 undecidable manual P 306 23.9538 109 -0.06 99
IV.CRE.HHZ. 2020-07-12T17:30:11.10 0.3 undecidable manual S 229 8.3805 135 0.09 76
IV.APEC.HHZ. 2020-07-12T17:30:11.39 3.0 undecidable manual P 0
IV.PARC.HHZ. 2020-07-12T17:30:10.71 0.1 positive manual P 97 16.872 117 0.05 100
IV.SSP9.EHZ. 2020-07-12T17:30:10.18 0.1 undecidable manual P 142 13.2756 122 0.15 99
IV.CRE.HHZ. 2020-07-12T17:30:09.47 0.1 positive manual P 229 8.3805 135 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRE.HHN. ML:0.0 0.0023023505 0.1792 AML other m 2020-07-12T17:30:11.40
IV.CRE.HHE. ML:0.0 0.0017384255 0.256 AML other m 2020-07-12T17:30:11.28
IV.SSP9.EHN. ML:0.0 0.00027338975 0.1408 AML other m 2020-07-12T17:30:13.41
IV.PARC.HHN. ML:0.0 0.001598998 0.192 AML other m 2020-07-12T17:30:13.61
IV.PARC.HHE. ML:0.0 0.0005058252 0.2048 AML other m 2020-07-12T17:30:13.73
IV.SSP9.EHE. ML:0.0 0.000191499 0.32 AML other m 2020-07-12T17:30:15.87
IV.ASQU.HHN. ML:0.0 0.0002075882 0.4992 AML other m 2020-07-12T17:30:19.16
IV.ASQU.HHE. ML:0.0 0.0001586523 0.2816 AML other m 2020-07-12T17:30:18.30
IV.SFI.EHE. ML:0.0 0.00011270245000000001 0.1536 AML other m 2020-07-12T17:30:18.55
IV.BADI.EHN. ML:0.0 0.00012570110000000002 0.256 AML other m 2020-07-12T17:30:18.94
IV.SFI.EHN. ML:0.0 0.00013490089999999998 0.4864 AML other m 2020-07-12T17:30:21.13
IV.CPGN.EHN. ML:1.6 0.0001985 0.86 AML other m 2020-07-12T17:30:21.08
IV.CPGN.EHE. ML:0.0 0.00019763485 0.576 AML other m 2020-07-12T17:30:21.52
IV.PIEI.HHN. ML:0.0 0.000057365295 0.128 AML other m 2020-07-12T17:30:21.78
IV.BADI.EHE. ML:0.0 0.00019566729999999998 0.448 AML other m 2020-07-12T17:30:22.28
IV.NARO.HHN. ML:0.0 0.00009746862000000001 0.064 AML other m 2020-07-12T17:30:22.52
IV.ATMI.HHE. ML:0.0 0.0001317353 0.3712 AML other m 2020-07-12T17:30:22.44
IV.ATMI.HHN. ML:0.0 0.000105978175 0.2176 AML other m 2020-07-12T17:30:23.12
IV.PE3.EHN. ML:0.0 0.0006528152 0.3328 AML other m 2020-07-12T17:30:23.49
IV.PIEI.HHE. ML:0.0 0.000105441365 0.1792 AML other m 2020-07-12T17:30:21.88
IV.NARO.HHE. ML:0.0 0.000073203065 0.1536 AML other m 2020-07-12T17:30:23.80
IV.PE3.EHE. ML:0.0 0.0007592392 0.4608 AML other m 2020-07-12T17:30:24.03
IV.LMD.HHN. ML:0.0 0.0000916 1.58 AML other m 2020-07-12T17:30:24.05
IV.LMD.HHE. ML:0.0 0.000080435515 0.2048 AML other m 2020-07-12T17:30:27.80
IV.RUFI.EHE. ML:0.0 0.00006666482500000001 0.448 AML other m 2020-07-12T17:30:25.18
IV.ATVO.HHN. ML:0.0 0.000078144485 0.3712 AML other m 2020-07-12T17:30:27.14
IV.RUFI.EHN. ML:1.3 0.00006345000000000001 0.52 AML other m 2020-07-12T17:30:27.54
IV.ATPI.EHE. ML:0.0 0.00008116788 0.3456 AML other m 2020-07-12T17:30:28.56
IV.ATPI.EHN. ML:0.0 0.000066090005 0.4992 AML other m 2020-07-12T17:30:29.41
IV.ATVO.HHE. ML:0.0 0.00009535949 0.5248 AML other m 2020-07-12T17:30:30.08
IV.MPAG.EHN. ML:0.0 0.000051978110000000004 0.1792 AML other m 2020-07-12T17:30:28.40
IV.MPAG.EHE. ML:1.4 0.0000543 1.34 AML other m 2020-07-12T17:30:30.30
IV.MURB.HHN. ML:0.0 0.00014192715 0.2816 AML other m 2020-07-12T17:30:31.14
IV.MURB.HHE. ML:0.0 0.00013659660000000002 0.4224 AML other m 2020-07-12T17:30:37.30
IV.SFI.HNE. ML:0.0 0.000142871625 0.32 AML other m 2020-07-12T17:30:18.41
IV.FRON.EHN. ML:0.0 0.00005080519999999999 0.1536 AML other m 2020-07-12T17:30:28.79
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