Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-02-2021 and time 11:04:18 (Italy) in region 3 km SE Badia Tedalda (AR)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Badia Tedalda (AR), on

  • 12-02-2021 10:04:18 (UTC)
  • 12-02-2021 11:04:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6810, 12.2040 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
Badia Tedalda AR 3 1087 1087
Borgo Pace PU 8 606 1693
Sestino AR 8 1355 3048
Mercatello sul Metauro PU 11 1378 4426
Casteldelci RN 13 407 4833
Pieve Santo Stefano AR 13 3183 8016
Sansepolcro AR 13 15884 23900
Belforte all'Isauro PU 15 769 24669
San Giustino PG 15 11297 35966
Carpegna PU 16 1674 37640
Pennabilli RN 16 2869 40509
Frontino PU 17 293 40802
Sant'Angelo in Vado PU 17 4133 44935
Piandimeleto PU 18 2167 47102
Caprese Michelangelo AR 18 1426 48528
Anghiari AR 20 5638 54166
Pietrarubbia PU 20 660 54826
Lunano PU 20 1527 56353

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Arezzo (99543 inhabitants)
51 Km S of Cesena (96758 inhabitants)
51 Km SW of Rimini (147750 inhabitants)
62 Km S of Forlì (117913 inhabitants)
63 Km W of Pesaro (94582 inhabitants)
66 Km N of Perugia (166134 inhabitants)
68 Km W of Fano (60888 inhabitants)
72 Km SE of Faenza (58541 inhabitants)
77 Km E of Firenze (382808 inhabitants)
81 Km NE of Siena (53903 inhabitants)
82 Km S of Ravenna (159116 inhabitants)
83 Km E of Scandicci (50609 inhabitants)
84 Km SE of Imola (69797 inhabitants)
90 Km NW of Foligno (57155 inhabitants)
92 Km E of Prato (191150 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 2.0 2021-02-12
10:04:18		 43.681 12.2037 10 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87209011
Reviewed
Rev100 		ML 2.0 2021-02-12
10:04:18		 43.6797 12.2022 10 2021-02-12
10:27:13		 Sala Sismica INGV-Roma 87075671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-12 10:04:18 ± 0.06
Latitude 43.6810 ± 0.0036
Longitude 12.2037 ± 0.0050
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 87209011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 378
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74014
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 87209011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-15 10:46:46

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 87075671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-12 10:27:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSSA.HHZ. 2021-02-12T10:05:27.64 3.0 undecidable manual Sg 4.12 0
IV.PLMA.HHZ. 2021-02-12T10:05:13.44 3.0 undecidable manual Sn -2.67 0
IV.SSFR.HHZ. 2021-02-12T10:04:36.20 0.6 undecidable manual S 120 53.9016 50 0.58 41
IV.RINC.HHE. 2021-02-12T10:04:35.80 1.0 undecidable manual S 296 52.9026 50 0.43 22
IV.CAFI.HHZ. 2021-02-12T10:04:33.20 0.6 undecidable manual S 206 43.4232 50 0.36 45
IV.FRON.EHZ. 2021-02-12T10:04:33.90 0.6 undecidable manual S 113 45.7209 50 0.46 44
IV.MPAG.EHZ. 2021-02-12T10:04:33.50 0.6 undecidable manual S 97 45.0216 50 0.25 46
IV.EL6.EHZ. 2021-02-12T10:04:32.80 0.6 undecidable manual P 118 82.1511 50 0.01 45
IV.CSNT.HHZ. 2021-02-12T10:04:32.96 1.0 undecidable manual P 253 76.9674 50 0.97 17
IV.ATMI.HHZ. 2021-02-12T10:04:31.80 0.6 undecidable manual S 172 38.8278 50 0.19 47
IV.SFI.EHZ. 2021-02-12T10:04:31.30 1.0 undecidable manual S 311 37.8288 50 -0.05 24
IV.ARVD.HHZ. 2021-02-12T10:04:30.08 0.3 undecidable manual P 109 62.6928 50 0.29 66
IV.ATPI.EHZ. 2021-02-12T10:04:29.40 0.6 undecidable manual S 148 30.1476 50 0.11 48
IV.RUFI.EHZ. 2021-02-12T10:04:29.04 1.0 undecidable manual P 288 58.2972 50 -0.07 23
IV.ATPC.HHE. 2021-02-12T10:04:29.60 1.0 undecidable manual S 137 30.1476 50 0.31 23
IV.LMD.HHZ. 2021-02-12T10:04:29.27 0.3 undecidable manual P 318 59.1963 50 0.01 70
IV.PIEI.HHZ. 2021-02-12T10:04:29.20 0.6 undecidable manual S 121 31.1466 50 -0.35 46
IV.NARO.HHN. 2021-02-12T10:04:29.30 1.0 undecidable manual S 104 31.2465 50 -0.28 23
IV.SSFR.HHZ. 2021-02-12T10:04:28.32 0.3 undecidable manual P 120 53.9016 50 -0.11 70
IV.ATMC.EHE. 2021-02-12T10:04:28.10 0.6 undecidable manual S 182 25.9518 50 -0.08 49
IV.RINC.HHE. 2021-02-12T10:04:28.05 0.3 undecidable manual P 296 52.9026 50 -0.24 68
IV.MURB.HHZ. 2021-02-12T10:04:27.99 1.0 undecidable manual P 151 53.1024 50 -0.32 22
IV.PE3.EHZ. 2021-02-12T10:04:27.80 0.6 undecidable manual S 86 23.5542 114 0.28 47
IV.ATSC.EHE. 2021-02-12T10:04:27.67 0.6 undecidable manual P 126 48.1185 50 0.12 47
IV.APEC.HHZ. 2021-02-12T10:04:27.20 0.6 undecidable manual S 128 22.0668 115 0.15 49
IV.FRON.EHZ. 2021-02-12T10:04:26.88 0.1 undecidable manual P 113 45.7209 50 -0.29 91
IV.ATLO.EHE. 2021-02-12T10:04:26.84 0.3 undecidable manual P 158 43.7229 50 -0.04 72
IV.ATMI.HHZ. 2021-02-12T10:04:26.16 0.3 undecidable manual P 172 38.8278 50 0.05 72
IV.CAFI.HHZ. 2021-02-12T10:04:26.98 0.1 undecidable manual P 206 43.4232 50 0.16 94
IV.ATVA.EHE. 2021-02-12T10:04:26.91 0.6 undecidable manual P 172 45.1215 50 -0.17 47
IV.TB01.DHZ.01 2021-02-12T10:04:26.13 0.3 undecidable manual P 151 38.1285 50 0.13 71
IV.CPGN.EHZ. 2021-02-12T10:04:26.08 0.6 undecidable manual S 35 16.2726 122 0.78 41
IV.TB02.DHZ.01 2021-02-12T10:04:26.09 1.0 undecidable manual P 154 38.2284 50 0.07 24
IV.BADI.EHZ. 2021-02-12T10:04:26.20 0.6 undecidable manual S 170 19.2696 118 0.01 50
IV.MPAG.EHZ. 2021-02-12T10:04:26.79 0.1 undecidable manual P 97 45.0216 50 -0.28 91
IV.TB03.DHZ.01 2021-02-12T10:04:25.61 0.3 undecidable manual P 152 35.2425 50 0.05 73
IV.ATBU.EHZ. 2021-02-12T10:04:25.85 0.1 undecidable manual P 129 35.8419 50 0.19 94
IV.SFI.EHZ. 2021-02-12T10:04:25.63 0.3 undecidable manual P 311 37.8288 50 -0.33 68
IV.SSP9.EHZ. 2021-02-12T10:04:24.60 0.3 undecidable manual S 206 13.1757 128 0.18 74
IV.NARO.HHN. 2021-02-12T10:04:24.45 0.1 undecidable manual P 104 31.2465 50 -0.5 89
IV.ATPI.EHZ. 2021-02-12T10:04:24.66 0.3 undecidable manual P 148 30.1476 50 -0.11 73
IV.PIEI.HHZ. 2021-02-12T10:04:24.52 0.3 undecidable manual P 121 31.1466 50 -0.41 68
IV.ATPC.HHE. 2021-02-12T10:04:24.73 0.1 undecidable manual P 137 30.1476 50 -0.05 98
IV.PE3.EHZ. 2021-02-12T10:04:23.58 0.1 undecidable manual P 86 23.5542 114 -0.18 97
IV.ATMC.EHE. 2021-02-12T10:04:23.98 0.3 undecidable manual P 182 25.9518 50 -0.16 72
IV.APEC.HHZ. 2021-02-12T10:04:23.54 0.1 undecidable manual P 128 22.0668 115 0.05 99
IV.SSP9.EHZ. 2021-02-12T10:04:22.11 0.1 undecidable manual P 206 13.1757 128 0.15 99
IV.BADI.EHZ. 2021-02-12T10:04:22.94 0.1 undecidable manual P 170 19.2696 118 -0.05 100
IV.CPGN.EHZ. 2021-02-12T10:04:22.78 0.1 positive manual P 35 16.2726 122 0.31 95
IV.PARC.HHZ. 2021-02-12T10:04:21.80 0.6 undecidable manual S 142 4.5954 156 -0.71 43
IV.PARC.HHZ. 2021-02-12T10:04:20.63 0.1 positive manual P 142 4.5954 156 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHN. ML:2.0 0.0010515 1.54 AML other m 2021-02-12T10:04:25.06
IV.SSP9.EHE. ML:2.0 0.0010205 1.38 AML other m 2021-02-12T10:04:25.14
IV.BADI.EHN. ML:2.2 0.00115 0.26 AML other m 2021-02-12T10:04:26.48
IV.BADI.EHE. ML:2.2 0.001365 0.16 AML other m 2021-02-12T10:04:26.91
IV.CPGN.EHN. ML:1.9 0.0007745 0.92 AML other m 2021-02-12T10:04:27.24
IV.APEC.HHE. ML:2.0 0.0007115 0.74 AML other m 2021-02-12T10:04:27.87
IV.CPGN.HNE. ML:1.8 0.0006445 1.46 AML other m 2021-02-12T10:04:27.24
IV.APEC.HHN. ML:2.0 0.000619 0.28 AML other m 2021-02-12T10:04:28.77
IV.PIEI.HHN. ML:1.9 0.0003895 1.2 AML other m 2021-02-12T10:04:29.39
IV.PIEI.HHE. ML:2.2 0.0006855 0.14 AML other m 2021-02-12T10:04:29.59
IV.ATPI.EHE. ML:1.8 0.0003165 0.16 AML other m 2021-02-12T10:04:30.20
IV.CPGN.HNN. ML:1.9 0.0007925 0.32 AML other m 2021-02-12T10:04:30.29
IV.CPGN.EHE. ML:1.9 0.000697 0.32 AML other m 2021-02-12T10:04:30.29
IV.ATPI.EHN. ML:1.8 0.000301 0.22 AML other m 2021-02-12T10:04:30.02
IV.ATMI.HHE. ML:2.0 0.000372 0.22 AML other m 2021-02-12T10:04:32.14
IV.ATMI.HHN. ML:2.0 0.00033400000000000004 1.04 AML other m 2021-02-12T10:04:32.64
IV.MPAG.EHE. ML:1.6 0.000117 0.32 AML other m 2021-02-12T10:04:33.91
IV.MPAG.EHN. ML:1.8 0.0001865 0.38 AML other m 2021-02-12T10:04:33.76
IV.CAFI.HHE. ML:1.7 0.0001585 0.52 AML other m 2021-02-12T10:04:33.59
IV.FRON.EHN. ML:1.9 0.000234 0.12 AML other m 2021-02-12T10:04:34.16
IV.CAFI.HHN. ML:1.8 0.00017299999999999998 0.44 AML other m 2021-02-12T10:04:34.75
IV.FRON.EHE. ML:1.7 0.00014050000000000003 0.56 AML other m 2021-02-12T10:04:34.40
IV.SSFR.HHE. ML:2.4 0.0005880000000000001 0.16 AML other m 2021-02-12T10:04:37.36
IV.SSFR.HNE. ML:2.4 0.000631 0.16 AML other m 2021-02-12T10:04:37.37
IV.SSFR.HHN. ML:2.3 0.0004865 0.68 AML other m 2021-02-12T10:04:37.46
IV.SSFR.HNN. ML:2.3 0.0005425 1.1 AML other m 2021-02-12T10:04:37.26
IV.MURB.HHN. ML:2.1 0.00031 1.1 AML other m 2021-02-12T10:04:39.74
IV.MURB.HHE. ML:2.2 0.000418 0.32 AML other m 2021-02-12T10:04:39.72
IV.ARVD.HHE. ML:1.7 0.00010005 0.68 AML other m 2021-02-12T10:04:39.92
IV.ARVD.HHN. ML:1.8 0.0001085 1.52 AML other m 2021-02-12T10:04:40.23
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
Waveforms Seismic signals in miniseed + resp format Download