Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 29-01-2017 and time 17:30:48 (Italy) in region 7 km SE Pieve Santo Stefano (AR)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Pieve Santo Stefano (AR), on

  • 29-01-2017 16:30:48 (UTC)
  • 29-01-2017 17:30:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6150, 12.0800 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 7 3183 3183
Sansepolcro AR 7 15884 19067
Caprese Michelangelo AR 8 1426 20493
Anghiari AR 8 5638 26131
San Giustino PG 11 11297 37428
Citerna PG 13 3531 40959
Badia Tedalda AR 13 1087 42046
Monterchi AR 15 1757 43803
Chiusi della Verna AR 15 2023 45826
Chitignano AR 17 899 46725
Subbiano AR 17 6331 53056
Borgo Pace PU 18 606 53662
Capolona AR 19 5438 59100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Arezzo (99543 inhabitants)
60 Km S of Cesena (96758 inhabitants)
62 Km NW of Perugia (166134 inhabitants)
63 Km SW of Rimini (147750 inhabitants)
68 Km S of Forlì (117913 inhabitants)
68 Km E of Firenze (382808 inhabitants)
69 Km E of Siena (53903 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
75 Km W of Pesaro (94582 inhabitants)
76 Km S of Faenza (58541 inhabitants)
80 Km W of Fano (60888 inhabitants)
84 Km E of Prato (191150 inhabitants)
87 Km SE of Imola (69797 inhabitants)
89 Km NW of Foligno (57155 inhabitants)
90 Km S of Ravenna (159116 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 2017-01-29
16:30:48		 43.6148 12.0802 9 2018-01-10
09:44:31		 Bollettino Sismico Italiano INGV 49404221
Reviewed
Rev100 		ML 2.1 2017-01-29
16:30:48		 43.6112 12.0648 9 2017-01-29
16:41:03		 Sala Sismica INGV-Roma 40090501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-29 16:30:48 ± 0.07
Latitude 43.6148 ± 0.0045
Longitude 12.0802 ± 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 49404221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 522
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 27
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.97037
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 49404221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-27 01:16:04

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 40090501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-29 16:41:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHZ. 2017-01-29T16:31:07.14 0.6 undecidable manual S 330 59.3961 50 0.24 43
IV.CSP1.EHZ. 2017-01-29T16:31:06.70 0.3 undecidable manual P 122 107.7144 50 0.27 59
IV.FDMO.HHZ. 2017-01-29T16:31:06.05 0.3 undecidable manual P 128 103.5186 50 0.26 59
IV.T1219.EHZ. 2017-01-29T16:31:05.21 0.3 undecidable manual P 129 97.0251 50 0.43 58
IV.MTCR.EHZ. 2017-01-29T16:31:05.32 0.6 undecidable manual P 298 97.7244 50 0.43 39
IV.MPAG.EHZ. 2017-01-29T16:31:05.91 0.6 undecidable manual S 88 54.6009 50 0.29 43
IV.EL6.EHZ. 2017-01-29T16:31:03.44 0.3 undecidable manual P 111 88.1451 50 0.02 64
IV.SACS.HHZ. 2017-01-29T16:31:03.80 0.6 undecidable manual P 189 86.0472 50 0.7 36
IV.MGAB.HHZ. 2017-01-29T16:31:02.40 0.3 undecidable manual P 178 77.9664 50 0.55 58
IV.SNTG.HHZ. 2017-01-29T16:31:02.10 0.3 undecidable manual P 120 79.9644 50 -0.06 65
IV.BRIS.HHZ. 2017-01-29T16:31:01.42 0.6 undecidable manual P 340 72.1722 50 0.47 40
IV.PIEI.HHZ. 2017-01-29T16:31:01.03 0.6 undecidable manual S 103 37.629 50 -0.06 47
IV.ATVO.HHZ. 2017-01-29T16:31:01.24 0.6 undecidable manual S 134 36.8298 50 0.36 44
IV.OSSC.HHZ. 2017-01-29T16:31:01.24 0.6 undecidable manual P 262 67.7766 50 0.95 33
IV.PE3.EHZ. 2017-01-29T16:31:00.37 0.6 undecidable manual S 75 34.6431 50 0.08 47
IV.ARVD.HHZ. 2017-01-29T16:31:00.41 0.6 undecidable manual P 100 70.4739 50 -0.28 42
IV.ATMI.HHZ. 2017-01-29T16:31:00.08 0.6 undecidable manual S 154 34.6431 50 -0.21 46
IV.ATCC.EHZ. 2017-01-29T16:31:00.57 0.3 undecidable manual P 136 65.5899 50 0.62 58
IV.CPGN.EHZ. 2017-01-29T16:30:59.80 0.3 undecidable manual S 43 28.2495 108 1.31 45
IV.FOSV.EHZ. 2017-01-29T16:30:59.85 0.3 undecidable manual P 123 65.2902 50 -0.05 67
IV.ATPI.EHZ. 2017-01-29T16:30:59.64 0.6 undecidable manual S 125 31.6461 50 0.14 47
IV.CAFI.HHZ. 2017-01-29T16:30:59.82 0.6 undecidable manual S 196 32.9448 50 -0.03 47
IV.APEC.HHZ. 2017-01-29T16:30:58.60 0.6 undecidable manual S 103 28.0497 108 0.2 46
IV.LMD.HHZ. 2017-01-29T16:30:58.61 0.3 undecidable manual P 330 59.3961 50 -0.38 63
IV.MURB.HHZ. 2017-01-29T16:30:58.07 0.3 undecidable manual P 137 52.9026 50 0.07 68
IV.ASQU.HHN. 2017-01-29T16:30:58.82 0.6 undecidable manual S 311 30.8469 50 -0.46 43
IV.FRON.EHZ. 2017-01-29T16:30:57.52 0.3 undecidable manual P 101 53.0025 50 -0.48 62
IV.MPAG.EHZ. 2017-01-29T16:30:57.86 0.1 undecidable manual P 88 54.6009 50 -0.39 85
IV.ATFO.HHZ. 2017-01-29T16:30:57.03 0.3 undecidable manual P 125 48.2184 50 -0.23 66
IV.RUFI.EHZ. 2017-01-29T16:30:57.76 0.1 undecidable manual P 299 52.0035 50 -0.09 91
IV.ATVO.HHZ. 2017-01-29T16:30:55.32 0.1 undecidable manual P 134 36.8298 50 -0.19 91
IV.BADI.EHZ. 2017-01-29T16:30:55.29 0.6 undecidable manual S 131 17.5713 118 0.22 47
IV.ATMI.HHZ. 2017-01-29T16:30:55.07 0.3 undecidable manual P 154 34.6431 50 -0.1 70
IV.PIEI.HHZ. 2017-01-29T16:30:55.14 0.1 undecidable manual P 103 37.629 50 -0.49 85
IV.ASQU.HHN. 2017-01-29T16:30:54.66 0.3 undecidable manual P 311 30.8469 50 0.07 71
IV.CAFI.HHZ. 2017-01-29T16:30:54.81 0.1 positive manual P 196 32.9448 50 -0.11 93
IV.PE3.EHZ. 2017-01-29T16:30:54.96 0.1 undecidable manual P 75 34.6431 50 -0.21 91
IV.CPGN.EHZ. 2017-01-29T16:30:54.27 0.3 undecidable manual P 43 28.2495 108 0.14 70
IV.ATPI.EHZ. 2017-01-29T16:30:54.36 0.1 undecidable manual P 125 31.6461 50 -0.36 89
IV.PARC.HHZ. 2017-01-29T16:30:53.35 0.6 undecidable manual S 74 13.2756 125 -0.43 45
IV.APEC.HHZ. 2017-01-29T16:30:53.84 0.1 undecidable manual P 103 28.0497 108 -0.24 92
IV.CRE.HHZ. 2017-01-29T16:30:52.69 0.6 undecidable manual S 273 10.2786 132 -0.28 47
IV.SSP9.EHZ. 2017-01-29T16:30:52.16 0.6 undecidable manual S 138 6.0939 146 0.15 48
IV.BADI.EHZ. 2017-01-29T16:30:52.19 0.1 positive manual P 131 17.5713 118 0.04 97
IV.PARC.HHZ. 2017-01-29T16:30:51.20 0.1 positive manual P 74 13.2756 125 -0.21 95
IV.SSP9.EHZ. 2017-01-29T16:30:50.39 0.1 undecidable manual P 138 6.0939 146 0 100
IV.CRE.HHZ. 2017-01-29T16:30:50.80 0.1 positive manual P 273 10.2786 132 -0.14 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:2.6 0.001865 0.16 AML other m 2017-01-29T16:30:59.58
IV.APEC.HHN. ML:2.6 0.0022299999999999998 0.3 AML other m 2017-01-29T16:30:59.48
IV.ARVD.HHN. ML:1.9 0.00011995 1.34 AML other m 2017-01-29T16:31:11.01
IV.ARVD.HHE. ML:2.0 0.0001835 1.82 AML other m 2017-01-29T16:31:12.08
IV.ASSB.HHN. ML:1.8 0.00007925 0.36 AML other m 2017-01-29T16:31:20.40
IV.ASSB.HHE. ML:1.7 0.00007035 0.34 AML other m 2017-01-29T16:31:20.86
IV.ATCC.EHE. ML:2.2 0.00026700000000000004 0.96 AML other m 2017-01-29T16:31:13.79
IV.ATCC.EHN. ML:2.1 0.000209 0.52 AML other m 2017-01-29T16:31:13.05
IV.ATFO.HHE. ML:2.3 0.0005235 0.48 AML other m 2017-01-29T16:31:05.94
IV.ATFO.HHN. ML:2.1 0.000332 0.38 AML other m 2017-01-29T16:31:06.46
IV.ATMI.HHE. ML:2.1 0.0005794999999999999 0.34 AML other m 2017-01-29T16:31:06.09
IV.ATMI.HHN. ML:2.1 0.000524 0.46 AML other m 2017-01-29T16:31:07.50
IV.ATPI.EHN. ML:1.9 0.00039600000000000003 0.44 AML other m 2017-01-29T16:30:59.84
IV.ATPI.EHE. ML:1.9 0.0004 0.68 AML other m 2017-01-29T16:31:01.32
IV.ATVO.HHN. ML:2.1 0.00045650000000000004 0.38 AML other m 2017-01-29T16:31:02.07
IV.ATVO.HHE. ML:2.1 0.000434 1.14 AML other m 2017-01-29T16:31:03.42
IV.BADI.EHE. ML:0.9 0.00006375 0.38 AML other m 2017-01-29T16:30:57.04
IV.BADI.EHN. ML:2.0 0.000786 0.36 AML other m 2017-01-29T16:30:57.62
IV.BRIS.HHE. ML:2.1 0.000202 0.64 AML other m 2017-01-29T16:31:18.03
IV.BRIS.HHN. ML:1.9 0.000134 1.62 AML other m 2017-01-29T16:31:20.02
IV.CAFI.HHN. ML:1.8 0.0002675 0.54 AML other m 2017-01-29T16:31:00.39
IV.CAFI.HNN. ML:1.8 0.0002615 0.54 AML other m 2017-01-29T16:31:00.39
IV.CAFI.HHE. ML:1.7 0.00022 0.34 AML other m 2017-01-29T16:31:02.51
IV.CAFI.HNE. ML:1.7 0.00022749999999999997 1.12 AML other m 2017-01-29T16:31:00.31
IV.CPGN.EHE. ML:2.2 0.000866 0.38 AML other m 2017-01-29T16:31:01.27
IV.CPGN.EHN. ML:2.3 0.0010550000000000002 1.28 AML other m 2017-01-29T16:31:03.26
IV.CPGN.HNE. ML:2.3 0.001095 0.26 AML other m 2017-01-29T16:31:01.40
IV.CPGN.HNN. ML:2.2 0.0008185 0.5 AML other m 2017-01-29T16:31:03.88
IV.CRE.HHN. ML:2.5 0.0037600000000000003 1.78 AML other m 2017-01-29T16:30:53.96
IV.CRE.HHE. ML:2.1 0.0017400000000000002 1.64 AML other m 2017-01-29T16:30:53.09
IV.EL6.EHE. ML:2.1 0.0001465 0.3 AML other m 2017-01-29T16:31:17.76
IV.EL6.EHN. ML:2.2 0.0002035 0.74 AML other m 2017-01-29T16:31:21.72
IV.FDMO.HHN. ML:1.7 0.000049500000000000004 0.72 AML other m 2017-01-29T16:31:23.51
IV.FDMO.HHE. ML:1.6 0.00004035 0.52 AML other m 2017-01-29T16:31:32.28
IV.FOSV.EHE. ML:1.7 0.00010235 0.42 AML other m 2017-01-29T16:31:20.25
IV.FOSV.EHN. ML:1.7 0.00009345000000000001 1.62 AML other m 2017-01-29T16:31:09.14
IV.FRON.EHE. ML:2.0 0.0002415 0.72 AML other m 2017-01-29T16:31:06.74
IV.FRON.EHN. ML:2.2 0.000381 0.32 AML other m 2017-01-29T16:31:08.69
IV.LMD.HHE. ML:1.9 0.00016549999999999998 0.56 AML other m 2017-01-29T16:31:09.13
IV.LMD.HHN. ML:1.9 0.0001615 0.36 AML other m 2017-01-29T16:31:09.68
IV.MGAB.HNE. ML:2.3 0.00029000000000000006 1.24 AML other m 2017-01-29T16:31:19.01
IV.MGAB.HNN. ML:2.2 0.0002045 0.44 AML other m 2017-01-29T16:31:16.38
IV.MGAB.HHN. ML:2.2 0.00021800000000000004 1.08 AML other m 2017-01-29T16:31:16.37
IV.MGAB.HHE. ML:2.2 0.00023999999999999998 0.82 AML other m 2017-01-29T16:31:18.00
IV.MPAG.EHN. ML:2.0 0.0002605 0.2 AML other m 2017-01-29T16:31:06.22
IV.MPAG.EHE. ML:2.0 0.0002485 0.14 AML other m 2017-01-29T16:31:07.05
IV.MTCR.EHE. ML:1.8 0.000062 0.42 AML other m 2017-01-29T16:31:25.97
IV.MTCR.EHN. ML:2.1 0.00011954999999999999 0.86 AML other m 2017-01-29T16:31:22.44
IV.MURB.HHE. ML:2.4 0.0005655 0.34 AML other m 2017-01-29T16:31:12.49
IV.MURB.HNE. ML:2.4 0.0005484999999999999 0.36 AML other m 2017-01-29T16:31:12.50
IV.MURB.HHN. ML:2.4 0.0006490000000000001 0.86 AML other m 2017-01-29T16:31:09.19
IV.MURB.HNN. ML:2.4 0.0006639999999999999 0.84 AML other m 2017-01-29T16:31:09.20
IV.OSSC.HHE. ML:2.0 0.0001635 1.48 AML other m 2017-01-29T16:31:13.96
IV.OSSC.HHN. ML:2.0 0.00016549999999999998 0.8 AML other m 2017-01-29T16:31:13.63
IV.PARC.HHE. ML:2.4 0.0028250000000000003 0.24 AML other m 2017-01-29T16:30:53.55
IV.PARC.HHN. ML:2.7 0.006345000000000001 0.16 AML other m 2017-01-29T16:30:53.42
IV.PE3.EHN. ML:0.8 0.000025450000000000002 0.14 AML other m 2017-01-29T16:31:01.36
IV.PE3.EHE. ML:3.1 0.004735 0.4 AML other m 2017-01-29T16:31:01.21
IV.PIEI.HHE. ML:2.5 0.00126 0.2 AML other m 2017-01-29T16:31:01.42
IV.PIEI.HHN. ML:2.3 0.0007615 0.1 AML other m 2017-01-29T16:31:01.37
IV.RUFI.EHE. ML:1.9 0.0002165 0.42 AML other m 2017-01-29T16:31:07.47
IV.RUFI.EHN. ML:1.9 0.0001865 1.38 AML other m 2017-01-29T16:31:09.86
IV.SACS.HHN. ML:2.0 0.0001215 0.42 AML other m 2017-01-29T16:31:19.12
IV.SACS.HHE. ML:1.9 0.00010350000000000001 0.56 AML other m 2017-01-29T16:31:22.36
IV.SNTG.HHE. ML:1.8 0.00007960000000000001 0.18 AML other m 2017-01-29T16:31:15.62
IV.SNTG.HHN. ML:2.0 0.0001239 1.52 AML other m 2017-01-29T16:31:19.82
IV.SSP9.EHN. ML:2.3 0.0031050000000000006 0.6 AML other m 2017-01-29T16:30:52.60
IV.SSP9.EHE. ML:2.2 0.00302 0.58 AML other m 2017-01-29T16:30:52.79
IV.T1220.EHN. ML:2.6 0.0003873 0.42 AML other m 2017-01-29T16:31:25.50
IV.T1220.HNN. ML:2.6 0.00038700000000000003 0.42 AML other m 2017-01-29T16:31:25.29
IV.T1220.HNE. ML:2.6 0.0004125 0.56 AML other m 2017-01-29T16:31:23.11
IV.T1220.EHE. ML:2.6 0.000383 1.6 AML other m 2017-01-29T16:31:22.11
IV.T1245.HHN. ML:2.2 0.0000989 0.82 AML other m 2017-01-29T16:31:37.39
IV.T1245.HHE. ML:2.0 0.00008094999999999999 1.24 AML other m 2017-01-29T16:31:39.28
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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