Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 02-12-2018 and time 09:34:53 (Italy) in region 8 km SW Badia Tedalda (AR)

A magnitude ML 2.1 earthquake occured in region: 8 km SW Badia Tedalda (AR), on

  • 02-12-2018 08:34:53 (UTC)
  • 02-12-2018 09:34:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6440, 12.1410 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 8 1087 1087
Sansepolcro AR 8 15884 16971
Pieve Santo Stefano AR 8 3183 20154
San Giustino PG 11 11297 31451
Caprese Michelangelo AR 12 1426 32877
Borgo Pace PU 13 606 33483
Anghiari AR 13 5638 39121
Sestino AR 15 1355 40476
Mercatello sul Metauro PU 16 1378 41854
Citerna PG 16 3531 45385
Casteldelci RN 17 407 45792
Monterchi AR 18 1757 47549
Chiusi della Verna AR 18 2023 49572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Arezzo (99543 inhabitants)
56 Km S of Cesena (96758 inhabitants)
58 Km SW of Rimini (147750 inhabitants)
63 Km NW of Perugia (166134 inhabitants)
65 Km S of Forlì (117913 inhabitants)
69 Km W of Pesaro (94582 inhabitants)
73 Km E of Firenze (382808 inhabitants)
74 Km W of Fano (60888 inhabitants)
74 Km S of Faenza (58541 inhabitants)
75 Km E of Siena (53903 inhabitants)
78 Km E of Scandicci (50609 inhabitants)
86 Km SE of Imola (69797 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
88 Km E of Prato (191150 inhabitants)
89 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 2.1 2018-12-02
08:34:53		 43.6442 12.1413 10 2019-06-04
09:16:08		 Bollettino Sismico Italiano INGV 65078201
Reviewed
Rev100 		ML 2.1 2018-12-02
08:34:53		 43.6463 12.1423 10 2018-12-02
08:47:07		 Sala Sismica INGV-Roma 63577011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-02 08:34:53 ± 0.04
Latitude 43.6442 ± 0.0027
Longitude 12.1413 ± 0.0025
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 65078201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 185
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) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.81209
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 56
Type of magnitude ML
Reference to an origin 65078201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-30 13:47:40

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 63577011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-02 08:47:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2018-12-02T08:35:11.54 0.3 undecidable manual S 114 56.499 50 0.32 66
IV.RUFI.EHZ. 2018-12-02T08:35:11.10 0.6 undecidable manual S 293 55.0005 50 0.26 44
IV.MPAG.EHZ. 2018-12-02T08:35:09.69 0.6 undecidable manual S 92 49.617 50 0.29 45
IV.ATTE.HHZ. 2018-12-02T08:35:09.87 0.6 undecidable manual S 161 52.4031 50 -0.26 45
IV.MURB.HHZ. 2018-12-02T08:35:09.96 0.6 undecidable manual S 144 52.3032 50 -0.16 46
IV.SACS.HHZ. 2018-12-02T08:35:09.37 0.6 undecidable manual P 192 90.1431 50 0.49 40
IV.FRON.EHZ. 2018-12-02T08:35:09.19 0.3 undecidable manual S 106 49.0176 50 -0.04 71
IV.ATFO.HHZ. 2018-12-02T08:35:08.94 0.6 undecidable manual S 132 46.3203 50 0.43 44
IV.ATVA.EHE. 2018-12-02T08:35:07.18 0.6 undecidable manual S 164 42.1245 50 -0.23 46
IV.ATLO.EHE. 2018-12-02T08:35:07.67 0.6 undecidable manual S 150 42.3243 50 0.23 46
IV.SFI.EHZ. 2018-12-02T08:35:06.17 0.3 undecidable manual S 321 37.3293 50 0.06 72
IV.CAFI.HHZ. 2018-12-02T08:35:06.28 0.3 undecidable manual S 202 37.629 50 0.08 71
IV.ATVO.HHZ. 2018-12-02T08:35:06.12 0.6 undecidable manual S 144 36.0417 50 0.35 45
IV.ATBU.EHZ. 2018-12-02T08:35:06.55 0.3 undecidable manual S 120 37.629 50 0.35 68
IV.ATMI.HHZ. 2018-12-02T08:35:05.51 0.3 undecidable manual S 163 35.8419 50 -0.21 70
IV.ARVD.HHZ. 2018-12-02T08:35:05.57 0.6 undecidable manual P 104 66.2781 50 0.37 43
IV.ASQU.HHZ. 2018-12-02T08:35:04.50 0.6 undecidable manual S 301 32.9448 50 -0.44 45
IV.PIEI.HHZ. 2018-12-02T08:35:04.80 0.6 undecidable manual S 111 33.8439 50 -0.38 45
IV.FOSV.EHZ. 2018-12-02T08:35:04.92 0.6 undecidable manual P 128 63.1923 50 0.2 44
IV.PE3.EHZ. 2018-12-02T08:35:04.00 0.3 undecidable manual S 78 29.0487 50 0.09 72
IV.ATPC.HHE. 2018-12-02T08:35:04.27 0.6 undecidable manual S 125 31.1466 50 -0.2 47
IV.LMD.HHZ. 2018-12-02T08:35:04.22 0.3 undecidable manual P 324 59.2962 50 0.1 68
IV.ATPI.EHZ. 2018-12-02T08:35:04.00 0.3 undecidable manual S 136 30.0477 50 -0.16 71
IV.RUFI.EHZ. 2018-12-02T08:35:03.43 0.3 undecidable manual P 293 55.0005 50 -0.04 70
IV.SSFR.HHZ. 2018-12-02T08:35:03.58 0.6 undecidable manual P 114 56.499 50 -0.1 46
IV.ATTE.HHZ. 2018-12-02T08:35:03.14 0.3 undecidable manual P 161 52.4031 50 0.09 69
IV.MURB.HHZ. 2018-12-02T08:35:03.27 0.6 undecidable manual P 144 52.3032 50 0.22 45
IV.APEC.HHZ. 2018-12-02T08:35:02.48 0.3 undecidable manual S 113 24.2535 112 0 74
IV.FRON.EHZ. 2018-12-02T08:35:02.35 0.6 undecidable manual P 106 49.0176 50 -0.19 46
IV.MPAG.EHZ. 2018-12-02T08:35:02.43 0.6 undecidable manual P 92 49.617 50 -0.21 45
IV.ATFO.HHZ. 2018-12-02T08:35:02.02 0.6 undecidable manual P 132 46.3203 50 -0.1 47
IV.CPGN.EHZ. 2018-12-02T08:35:01.90 0.6 undecidable manual S 39 22.5552 113 -0.02 49
IV.ATVA.EHE. 2018-12-02T08:35:01.24 0.3 undecidable manual P 164 42.1245 50 -0.24 68
IV.ATLO.EHE. 2018-12-02T08:35:01.74 0.6 undecidable manual P 150 42.3243 50 0.24 46
IV.ATMC.EHZ. 2018-12-02T08:35:01.52 0.3 undecidable manual S 169 22.2555 114 -0.3 70
IV.ATMI.HHZ. 2018-12-02T08:35:00.54 0.3 undecidable manual P 163 35.8419 50 0.03 72
IV.ATBU.EHZ. 2018-12-02T08:35:00.75 0.1 undecidable manual P 120 37.629 50 -0.04 96
IV.SFI.EHZ. 2018-12-02T08:35:00.64 0.1 undecidable manual P 321 37.3293 50 -0.09 95
IV.CAFI.HHZ. 2018-12-02T08:35:00.87 0.1 positive manual P 202 37.629 50 0.08 95
IV.BADI.EHZ. 2018-12-02T08:35:00.30 0.3 undecidable manual S 151 17.0718 120 0.1 74
IV.ATVO.HHZ. 2018-12-02T08:35:00.68 0.3 undecidable manual P 144 36.0417 50 0.14 71
IV.ATPI.EHZ. 2018-12-02T08:34:59.41 0.6 undecidable manual P 136 30.0477 50 -0.2 47
IV.ASQU.HHZ. 2018-12-02T08:34:59.76 0.1 positive manual P 301 32.9448 50 -0.3 92
IV.CRE.HHZ. 2018-12-02T08:34:59.90 0.6 undecidable manual S 260 15.4734 122 0.16 49
IV.PIEI.HHZ. 2018-12-02T08:34:59.79 0.1 undecidable manual P 111 33.8439 50 -0.41 89
IV.PE3.EHZ. 2018-12-02T08:34:59.31 0.1 positive manual P 78 29.0487 50 -0.15 95
IV.ATPC.HHE. 2018-12-02T08:34:59.60 0.3 undecidable manual P 125 31.1466 50 -0.19 71
IV.ATMC.EHZ. 2018-12-02T08:34:58.19 0.1 positive manual P 169 22.2555 114 -0.07 98
IV.APEC.HHZ. 2018-12-02T08:34:58.85 0.3 undecidable manual P 113 24.2535 112 0.21 71
IV.CPGN.EHZ. 2018-12-02T08:34:58.72 0.1 positive manual P 39 22.5552 113 0.4 91
IV.PARC.HHZ. 2018-12-02T08:34:57.28 0.3 undecidable manual S 86 7.7811 141 -0.44 70
IV.BADI.EHZ. 2018-12-02T08:34:57.40 0.1 positive manual P 151 17.0718 120 0.08 99
IV.SSP9.EHZ. 2018-12-02T08:34:57.70 0.3 undecidable manual S 186 7.7811 141 -0.03 76
IV.CRE.HHZ. 2018-12-02T08:34:57.16 0.1 positive manual P 260 15.4734 122 0.1 98
IV.SSP9.EHZ. 2018-12-02T08:34:56.11 0.1 positive manual P 186 7.7811 141 0.22 97
IV.PARC.HHZ. 2018-12-02T08:34:55.80 0.1 positive manual P 86 7.7811 141 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHE. ML:2.0 0.0014322224999999999 0.1216 AML other m 2018-12-02T08:34:58.25
IV.SSP9.EHN. ML:2.1 0.0019831245000000003 0.16 AML other m 2018-12-02T08:34:58.24
IV.CRE.HHN. ML:2.3 0.0018508315 0.224 AML other m 2018-12-02T08:35:00.26
IV.BADI.EHN. ML:2.1 0.001215096 0.16 AML other m 2018-12-02T08:35:00.45
IV.BADI.EHE. ML:2.2 0.0015024175 0.2816 AML other m 2018-12-02T08:35:00.47
IV.CRE.HHE. ML:2.1 0.0012543185 0.1792 AML other m 2018-12-02T08:35:00.50
IV.APEC.HHN. ML:2.4 0.001496977 0.2816 AML other m 2018-12-02T08:35:02.00
IV.APEC.HNN. ML:2.3 0.0013136304999999998 0.1664 AML other m 2018-12-02T08:35:03.30
IV.APEC.HHE. ML:2.3 0.0013430335 0.256 AML other m 2018-12-02T08:35:03.69
IV.ATPI.EHN. ML:2.2 0.0006975869 0.1984 AML other m 2018-12-02T08:35:04.54
IV.ATPI.EHE. ML:2.2 0.0008673131 0.2176 AML other m 2018-12-02T08:35:04.65
IV.CPGN.HNN. ML:2.1 0.0008529830000000001 0.2816 AML other m 2018-12-02T08:35:04.69
IV.CPGN.EHE. ML:2.1 0.000837512 0.3008 AML other m 2018-12-02T08:35:04.71
IV.ASQU.HHN. ML:1.7 0.0002151626 0.2176 AML other m 2018-12-02T08:35:04.79
IV.PIEI.HHN. ML:1.9 0.00036918525000000004 0.096 AML other m 2018-12-02T08:35:05.03
IV.CPGN.HNE. ML:2.2 0.0009952063500000001 0.2752 AML other m 2018-12-02T08:35:05.52
IV.ASQU.HHE. ML:1.7 0.00022093734999999997 0.2176 AML other m 2018-12-02T08:35:05.95
IV.PIEI.HHE. ML:2.2 0.0007283677 0.1984 AML other m 2018-12-02T08:35:05.96
IV.APEC.HNE. ML:2.4 0.0013602639 0.3776 AML other m 2018-12-02T08:35:06.49
IV.ATMI.HHE. ML:2.2 0.0007133249500000001 0.32 AML other m 2018-12-02T08:35:06.87
IV.CAFI.HNE. ML:1.8 0.00025641315 0.16 AML other m 2018-12-02T08:35:06.98
IV.CAFI.HHE. ML:1.8 0.00026579829999999997 0.16 AML other m 2018-12-02T08:35:06.98
IV.CAFI.HHN. ML:1.9 0.00032028815 0.2624 AML other m 2018-12-02T08:35:06.91
IV.ATVO.HHE. ML:2.2 0.0006770000000000001 0.54 AML other m 2018-12-02T08:35:07.01
IV.ATVO.HHN. ML:2.0 0.00038538669999999995 0.32 AML other m 2018-12-02T08:35:07.41
IV.CPGN.EHN. ML:2.2 0.0009536621000000001 0.384 AML other m 2018-12-02T08:35:08.02
IV.ATFO.HHN. ML:2.0 0.0002564054 0.2624 AML other m 2018-12-02T08:35:09.44
IV.MPAG.EHN. ML:2.0 0.00023751535 0.2624 AML other m 2018-12-02T08:35:09.78
IV.ATFO.HHE. ML:2.0 0.00030851455 0.4992 AML other m 2018-12-02T08:35:10.22
IV.FRON.EHN. ML:2.1 0.0003198024 0.1216 AML other m 2018-12-02T08:35:10.22
IV.FRON.EHE. ML:1.8 0.00015629625 0.096 AML other m 2018-12-02T08:35:10.27
IV.MPAG.EHE. ML:1.9 0.00019927845 0.1152 AML other m 2018-12-02T08:35:10.84
IV.SFI.EHE. ML:1.6 0.0001575 1.08 AML other m 2018-12-02T08:35:11.66
IV.SFI.HNE. ML:1.7 0.0001692952 0.4288 AML other m 2018-12-02T08:35:11.12
IV.ATTE.HHE. ML:1.9 0.00018580815 0.1984 AML other m 2018-12-02T08:35:11.15
IV.SFI.HNN. ML:1.7 0.00019524789999999996 0.6208 AML other m 2018-12-02T08:35:10.86
IV.MURB.HHE. ML:2.3 0.0005077816 0.2368 AML other m 2018-12-02T08:35:11.78
IV.SFI.EHN. ML:1.6 0.00013746735 0.32 AML other m 2018-12-02T08:35:11.80
IV.ATTE.HHN. ML:1.8 0.00015577195 0.2176 AML other m 2018-12-02T08:35:12.12
IV.ATMI.HHN. ML:2.2 0.0006977980999999999 0.3584 AML other m 2018-12-02T08:35:12.29
IV.MURB.HHN. ML:2.4 0.00060020025 0.2816 AML other m 2018-12-02T08:35:12.16
IV.MURB.HNN. ML:2.3 0.00053079915 0.3712 AML other m 2018-12-02T08:35:12.30
IV.RUFI.EHN. ML:1.8 0.00012863787999999998 0.3584 AML other m 2018-12-02T08:35:12.69
IV.SSFR.HHN. ML:2.4 0.00060332945 0.16 AML other m 2018-12-02T08:35:12.85
IV.SSFR.HNN. ML:2.4 0.0006416852500000001 0.1408 AML other m 2018-12-02T08:35:12.86
IV.SSFR.HHE. ML:2.3 0.00047047245000000004 0.1216 AML other m 2018-12-02T08:35:13.10
IV.RUFI.EHE. ML:1.9 0.00018057255 0.2752 AML other m 2018-12-02T08:35:13.29
IV.MURB.HNE. ML:2.3 0.00047658615 0.256 AML other m 2018-12-02T08:35:13.54
IV.LMD.HHE. ML:1.8 0.00012863015 0.2176 AML other m 2018-12-02T08:35:13.62
IV.SSFR.HNE. ML:2.3 0.00047811669999999997 0.1536 AML other m 2018-12-02T08:35:14.91
IV.ARVD.HHN. ML:1.7 0.000092061345 0.1152 AML other m 2018-12-02T08:35:16.51
IV.ARVD.HHE. ML:1.8 0.000127108335 0.1984 AML other m 2018-12-02T08:35:17.26
IV.LMD.HHN. ML:1.6 0.00007724184 0.256 AML other m 2018-12-02T08:35:18.00
IV.SACS.HHE. ML:1.9 0.00008854427 0.3968 AML other m 2018-12-02T08:35:22.75
IV.SACS.HNE. ML:1.9 0.000098547305 0.7168 AML other m 2018-12-02T08:35:24.34
IV.SACS.HHN. ML:1.9 0.00008600149 0.8448 AML other m 2018-12-02T08:35:25.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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