Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 04-09-2017 and time 19:07:20 (UTC) in region 2 km NW Badia Tedalda (AR)

A magnitude ML 2.1 earthquake occured in region: 2 km NW Badia Tedalda (AR), on

  • 04-09-2017 19:07:20 (UTC)
  • 04-09-2017 21:07:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7160, 12.1690 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 2 1087 1087
Casteldelci RN 9 407 1494
Sestino AR 10 1355 2849
Pieve Santo Stefano AR 11 3183 6032
Borgo Pace PU 12 606 6638
Pennabilli RN 14 2869 9507
Carpegna PU 15 1674 11181
Mercatello sul Metauro PU 16 1378 12559
Verghereto FC 16 1907 14466
Sansepolcro AR 16 15884 30350
Caprese Michelangelo AR 17 1426 31776
Belforte all'Isauro PU 17 769 32545
Sant'Agata Feltria RN 17 2151 34696
Frontino PU 18 293 34989
San Giustino PG 19 11297 46286
Chiusi della Verna AR 19 2023 48309
Pietrarubbia PU 20 660 48969
Piandimeleto PU 20 2167 51136

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Arezzo (99543 inhabitants)
47 Km S of Cesena (96758 inhabitants)
50 Km SW of Rimini (147750 inhabitants)
57 Km S of Forlì (117913 inhabitants)
64 Km W of Pesaro (94582 inhabitants)
67 Km SE of Faenza (58541 inhabitants)
70 Km W of Fano (60888 inhabitants)
70 Km N of Perugia (166134 inhabitants)
74 Km E of Firenze (382808 inhabitants)
78 Km S of Ravenna (159116 inhabitants)
79 Km E of Scandicci (50609 inhabitants)
80 Km SE of Imola (69797 inhabitants)
81 Km NE of Siena (53903 inhabitants)
88 Km E of Prato (191150 inhabitants)
95 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 2017-09-04
19:07:20		 43.7157 12.1692 10 2018-09-04
09:06:01		 Bollettino Sismico Italiano INGV 54951471
Reviewed
Rev100 		ML 2.0 2017-09-04
19:07:20		 43.7152 12.171 10 2017-09-04
19:15:19		 Sala Sismica INGV-Roma 49701931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-04 19:07:20 ± 0.07
Latitude 43.7157 ± 0.0036
Longitude 12.1692 ± 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 54951471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 351
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 7
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97666
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 75
Type of magnitude ML
Reference to an origin 49701931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-04 19:15:19

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 54951471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-03-30 06:51:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2017-09-04T19:07:44.85 0.1 undecidable manual S 129 80.364 50 0.32 85
GU.CARD.HHZ. 2017-09-04T19:07:43.21 3.0 undecidable manual P 0.52 0
IV.ATCC.EHZ. 2017-09-04T19:07:41.86 0.1 undecidable manual S 147 69.9744 50 0.1 90
IV.PESA.HHZ. 2017-09-04T19:07:39.50 0.3 undecidable manual S 65 59.1963 50 0.62 61
IV.MURB.HHZ. 2017-09-04T19:07:39.23 0.1 undecidable manual S 150 57.7977 50 0.73 77
IV.RUFI.EHZ. 2017-09-04T19:07:38.00 0.1 undecidable manual S 285 54.501 50 0.37 88
IV.FDMO.HHZ. 2017-09-04T19:07:38.34 0.1 undecidable manual P 135 105.6165 50 0.14 83
IV.SSFR.HHZ. 2017-09-04T19:07:38.99 0.1 undecidable manual S 122 58.1973 50 0.38 87
IV.CSP1.EHZ. 2017-09-04T19:07:38.82 0.1 undecidable manual P 129 108.4137 50 0.19 82
IV.LMD.HHZ. 2017-09-04T19:07:37.69 0.1 undecidable manual S 318 54.501 50 0.06 94
IV.CESI.HHZ. 2017-09-04T19:07:37.13 0.1 undecidable manual P 143 98.6235 50 0.01 87
IV.FRON.EHZ. 2017-09-04T19:07:36.59 0.1 undecidable manual S 116 49.8168 50 0.23 91
IV.MPPT.EHZ. 2017-09-04T19:07:36.14 3.0 undecidable manual P -0.25 0
IV.MPAG.EHZ. 2017-09-04T19:07:36.08 0.1 undecidable manual S 101 48.3183 50 0.11 94
IV.FSSB.HHZ. 2017-09-04T19:07:36.06 0.1 undecidable manual S 93 48.8178 50 -0.04 95
IV.ATFO.HHZ. 2017-09-04T19:07:36.89 0.1 undecidable manual S 140 50.4162 50 0.35 89
IV.CAFI.HHZ. 2017-09-04T19:07:35.53 0.1 undecidable manual S 201 45.8208 50 0.22 92
IV.ATVO.HHZ. 2017-09-04T19:07:34.70 0.1 undecidable manual S 153 41.625 50 0.52 87
IV.ATMI.HHZ. 2017-09-04T19:07:34.59 0.1 undecidable manual S 169 43.0236 50 0.03 96
IV.SNTG.HHZ. 2017-09-04T19:07:34.34 0.1 undecidable manual P 129 80.364 50 0.03 90
IV.SEI.HHZ. 2017-09-04T19:07:33.50 0.1 undecidable manual P 300 74.8695 50 0.03 91
IV.ATPC.HHE. 2017-09-04T19:07:32.40 0.1 undecidable manual S 138 34.8429 50 0.03 98
IV.PIEI.HHZ. 2017-09-04T19:07:32.02 0.1 undecidable manual S 124 35.5422 50 -0.53 87
IV.BRIS.HHZ. 2017-09-04T19:07:32.48 0.1 undecidable manual P 330 64.9905 50 0.54 82
IV.ATPI.EHZ. 2017-09-04T19:07:32.50 0.1 undecidable manual S 147 34.8429 50 0.13 96
IV.COR1.EHZ. 2017-09-04T19:07:32.33 0.1 undecidable manual P 98 67.377 50 0.03 92
IV.ATCC.EHZ. 2017-09-04T19:07:32.84 0.1 undecidable manual P 147 69.9744 50 0.13 90
IV.PESA.HHZ. 2017-09-04T19:07:31.34 0.3 undecidable manual P 65 59.1963 50 0.29 66
IV.ATMC.EHE. 2017-09-04T19:07:31.09 0.1 undecidable manual S 176 29.8479 50 0.05 98
IV.MURB.HHZ. 2017-09-04T19:07:30.69 0.1 undecidable manual P 150 57.7977 50 -0.14 92
IV.LMD.HHZ. 2017-09-04T19:07:30.04 0.1 undecidable manual P 318 54.501 50 -0.29 89
IV.PE3.EHZ. 2017-09-04T19:07:30.24 0.1 undecidable manual S 95 26.3514 50 0.14 97
IV.SSFR.HHZ. 2017-09-04T19:07:30.43 0.1 negative manual P 122 58.1973 50 -0.46 85
IV.ATFO.HHZ. 2017-09-04T19:07:29.20 0.1 undecidable manual P 140 50.4162 50 -0.49 86
IV.FRON.EHZ. 2017-09-04T19:07:29.05 0.1 undecidable manual P 116 49.8168 50 -0.55 84
IV.RUFI.EHZ. 2017-09-04T19:07:29.91 0.1 undecidable manual P 285 54.501 50 -0.42 87
IV.BADI.EHZ. 2017-09-04T19:07:29.38 0.1 undecidable manual S 165 23.6541 113 0.14 97
IV.CAFI.HHZ. 2017-09-04T19:07:29.03 0.1 undecidable manual P 201 45.8208 50 0.04 96
IV.APEC.HNN. 2017-09-04T19:07:29.76 0.3 undecidable manual S 131 26.6511 50 -0.42 68
IV.FSSB.HHZ. 2017-09-04T19:07:28.90 0.1 undecidable manual P 93 48.8178 50 -0.55 85
IV.CRE.HHZ. 2017-09-04T19:07:28.28 0.1 undecidable manual S 238 20.4684 116 0.04 100
IV.ATVO.HHZ. 2017-09-04T19:07:28.12 0.1 positive manual P 153 41.625 50 -0.22 93
IV.ATMI.HHZ. 2017-09-04T19:07:28.72 0.1 undecidable manual P 169 43.0236 50 0.16 94
IV.MPAG.EHZ. 2017-09-04T19:07:28.89 0.1 undecidable manual P 101 48.3183 50 -0.48 87
IV.RSM2.HHZ. 2017-09-04T19:07:27.14 0.1 undecidable manual P 42 33.1446 50 0.12 96
IV.SSP9.EHZ. 2017-09-04T19:07:27.05 0.1 undecidable manual S 191 15.9729 122 0.17 98
IV.CPGN.EHZ. 2017-09-04T19:07:27.31 0.1 undecidable manual S 52 15.3735 123 0.61 88
IV.ATMC.EHE. 2017-09-04T19:07:26.27 0.1 undecidable manual P 176 29.8479 50 -0.25 94
IV.ATPC.HHE. 2017-09-04T19:07:26.90 0.1 undecidable manual P 138 34.8429 50 -0.39 91
IV.PIEI.HHZ. 2017-09-04T19:07:26.66 0.1 undecidable manual P 124 35.5422 50 -0.74 80
IV.CDCA.HNZ. 2017-09-04T19:07:26.50 0.3 undecidable manual P 170 28.9488 50 0.11 73
IV.ATPI.EHZ. 2017-09-04T19:07:26.92 0.1 undecidable manual P 147 34.8429 50 -0.37 91
IV.BADI.EHZ. 2017-09-04T19:07:25.30 0.1 positive manual P 165 23.6541 113 -0.19 96
IV.APEC.HNN. 2017-09-04T19:07:25.73 0.3 undecidable manual P 131 26.6511 50 -0.3 70
IV.PE3.EHZ. 2017-09-04T19:07:25.68 0.1 undecidable manual P 95 26.3514 50 -0.3 94
IV.CPGN.EHZ. 2017-09-04T19:07:24.10 0.1 positive manual P 52 15.3735 123 0.08 100
IV.SSP9.EHZ. 2017-09-04T19:07:24.30 0.1 positive manual P 191 15.9729 122 0.17 98
IV.CRE.HHZ. 2017-09-04T19:07:24.82 0.1 undecidable manual P 238 20.4684 116 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHE. ML:2.0 0.00015618213 0.2944 AML other m 2017-09-04T19:07:45.92
IV.MURB.HHE. ML:2.3 0.0004552036 0.24 AML other m 2017-09-04T19:07:41.40
IV.COR1.EHN. ML:2.1 0.0002475 0.44 AML other m 2017-09-04T19:07:44.96
IV.CPGN.EHE. ML:2.3 0.0016986255 0.256 AML other m 2017-09-04T19:07:28.01
IV.CPGN.EHN. ML:2.3 0.0020701925 0.256 AML other m 2017-09-04T19:07:27.78
IV.CPGN.HNN. ML:2.4 0.0021180914999999996 0.4992 AML other m 2017-09-04T19:07:28.02
IV.CPGN.HNE. ML:2.4 0.0022632745 0.4608 AML other m 2017-09-04T19:07:28.49
IV.BADI.EHE. ML:2.2 0.0009732492 0.32 AML other m 2017-09-04T19:07:29.63
IV.BADI.EHN. ML:2.3 0.001189627 0.1536 AML other m 2017-09-04T19:07:29.54
IV.PE3.EHE. ML:2.3 0.0011936345 0.3584 AML other m 2017-09-04T19:07:31.04
IV.PIEI.HHN. ML:2.0 0.0004048292 0.256 AML other m 2017-09-04T19:07:32.27
IV.PIEI.HHE. ML:2.3 0.0007687751499999999 0.2304 AML other m 2017-09-04T19:07:32.71
IV.ATPI.EHE. ML:1.8 0.0002389676 0.1792 AML other m 2017-09-04T19:07:32.77
IV.ATVO.HHE. ML:2.3 0.00064459155 0.1792 AML other m 2017-09-04T19:07:35.44
IV.ATVO.HHN. ML:2.1 0.00043742005000000007 0.3712 AML other m 2017-09-04T19:07:35.35
IV.ATMI.HHE. ML:2.0 0.0003151486 0.2944 AML other m 2017-09-04T19:07:35.87
IV.MPAG.HNN. ML:1.8 0.00019736179999999998 0.2304 AML other m 2017-09-04T19:07:36.78
IV.MPAG.EHE. ML:1.8 0.00016181099999999999 0.256 AML other m 2017-09-04T19:07:36.91
IV.MPAG.HNE. ML:1.8 0.00017143675 0.1792 AML other m 2017-09-04T19:07:36.99
IV.MPAG.EHN. ML:1.8 0.0001893168 0.2304 AML other m 2017-09-04T19:07:36.78
IV.FSSB.HHE. ML:2.3 0.00057678625 0.2432 AML other m 2017-09-04T19:07:37.09
IV.FSSB.HHN. ML:2.2 0.0003926187 0.1664 AML other m 2017-09-04T19:07:36.86
IV.FRON.EHN. ML:1.9 0.00021748305000000002 0.2304 AML other m 2017-09-04T19:07:37.48
IV.ATFO.HHE. ML:2.0 0.000235595 0.1664 AML other m 2017-09-04T19:07:38.35
IV.ATFO.HHN. ML:1.9 0.00018289070000000003 0.3584 AML other m 2017-09-04T19:07:37.98
IV.LMD.HHE. ML:1.9 0.00019121055 0.1792 AML other m 2017-09-04T19:07:39.24
IV.MURB.HNE. ML:2.2 0.00038395055 0.2304 AML other m 2017-09-04T19:07:41.38
IV.PESA.HHN. ML:2.1 0.00025829405 0.1536 AML other m 2017-09-04T19:07:41.75
IV.PESA.HHE. ML:2.1 0.0002772192 0.2176 AML other m 2017-09-04T19:07:40.95
IV.ATCC.EHE. ML:2.0 0.0001756075 0.2304 AML other m 2017-09-04T19:07:44.15
IV.ATCC.EHN. ML:2.1 0.0002008531 0.2176 AML other m 2017-09-04T19:07:44.19
IV.SNTG.HHN. ML:1.8 0.00009504856 0.2048 AML other m 2017-09-04T19:07:47.50
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
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