Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 29-01-2017 and time 17:02:24 (Italy) in region 6 km SE Pieve Santo Stefano (AR)

A magnitude ML 2.1 earthquake occured in region: 6 km SE Pieve Santo Stefano (AR), on

  • 29-01-2017 16:02:24 (UTC)
  • 29-01-2017 17:02:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6210, 12.0880 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 9 1426 20493
Anghiari AR 9 5638 26131
San Giustino PG 11 11297 37428
Badia Tedalda AR 12 1087 38515
Citerna PG 14 3531 42046
Monterchi AR 15 1757 43803
Chiusi della Verna AR 15 2023 45826
Borgo Pace PU 17 606 46432
Chitignano AR 17 899 47331
Subbiano AR 18 6331 53662
Capolona AR 19 5438 59100
Sestino AR 20 1355 60455
Casteldelci RN 20 407 60862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Arezzo (99543 inhabitants)
59 Km S of Cesena (96758 inhabitants)
62 Km NW of Perugia (166134 inhabitants)
62 Km SW of Rimini (147750 inhabitants)
67 Km S of Forlì (117913 inhabitants)
69 Km E of Firenze (382808 inhabitants)
70 Km E of Siena (53903 inhabitants)
74 Km W of Pesaro (94582 inhabitants)
74 Km E of Scandicci (50609 inhabitants)
76 Km S of Faenza (58541 inhabitants)
79 Km W of Fano (60888 inhabitants)
85 Km E of Prato (191150 inhabitants)
87 Km SE of Imola (69797 inhabitants)
89 Km S of Ravenna (159116 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 2017-01-29
16:02:24		 43.6212 12.0878 9 2018-01-10
09:44:31		 Bollettino Sismico Italiano INGV 49149751
Reviewed
Rev100 		ML 2.1 2017-01-29
16:02:23		 43.6253 12.0733 9 2017-01-29
16:09:39		 Sala Sismica INGV-Roma 40088211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-01-29 16:02:24 ± 0.07
Latitude 43.6212 ± 0.0045
Longitude 12.0878 ± 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 49149751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
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) 64
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) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 1.13404
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 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 49149751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-08-18 13:55:30

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 27
Type of magnitude ML
Reference to an origin 40088211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-01-29 16:09:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2017-01-29T16:02:46.22 0.6 undecidable manual P 276 125.874 50 1.03 29
IV.LMD.HHZ. 2017-01-29T16:02:42.79 0.6 undecidable manual S 329 59.0964 50 -0.04 46
IV.FRON.EHZ. 2017-01-29T16:02:41.43 0.6 undecidable manual S 102 52.503 50 0.35 43
IV.MTCR.EHZ. 2017-01-29T16:02:41.13 0.6 undecidable manual P 298 97.9242 50 0.25 41
IV.MPAG.EHZ. 2017-01-29T16:02:41.86 0.3 undecidable manual S 89 53.9016 50 0.41 64
IV.T1220.EHZ. 2017-01-29T16:02:41.57 0.6 undecidable manual P 125 98.6235 50 0.58 37
IV.CRMI.HHZ. 2017-01-29T16:02:40.93 0.6 undecidable manual P 283 90.9423 50 1.12 30
IV.SACS.HHZ. 2017-01-29T16:02:39.78 0.6 undecidable manual P 190 86.8464 50 0.61 38
IV.MOCL.EHZ. 2017-01-29T16:02:39.43 0.6 undecidable manual P 301 84.1491 50 0.67 37
IV.SNTG.HHZ. 2017-01-29T16:02:38.08 0.3 undecidable manual P 120 79.7646 50 -0.01 66
IV.MGAB.HHZ. 2017-01-29T16:02:38.15 0.6 undecidable manual P 179 78.5658 50 0.25 42
IV.BRIS.HHZ. 2017-01-29T16:02:37.39 0.6 undecidable manual P 339 71.6727 50 0.55 40
IV.ARVD.HHZ. 2017-01-29T16:02:36.59 0.3 undecidable manual P 101 69.9744 50 0.02 67
IV.ATVO.HHZ. 2017-01-29T16:02:36.92 0.3 undecidable manual S 136 36.8298 50 0.02 72
IV.OSSC.HHZ. 2017-01-29T16:02:36.99 0.6 undecidable manual P 261 68.5758 50 0.64 39
IV.PE3.EHZ. 2017-01-29T16:02:36.38 0.3 undecidable manual S 76 33.8439 50 0.3 68
IV.CSNT.HHZ. 2017-01-29T16:02:36.27 0.6 undecidable manual P 256 66.1893 50 0.28 43
IV.ATMI.HHZ. 2017-01-29T16:02:36.06 0.3 undecidable manual S 155 34.9428 50 -0.33 67
IV.PIEI.HHZ. 2017-01-29T16:02:36.92 0.3 undecidable manual S 105 37.1295 50 -0.05 71
IV.CAFI.HHZ. 2017-01-29T16:02:35.97 0.3 undecidable manual S 197 33.8439 50 -0.11 71
IV.ATCC.EHZ. 2017-01-29T16:02:35.98 0.6 undecidable manual P 137 65.6898 50 0.06 45
IV.ATPI.EHZ. 2017-01-29T16:02:35.52 0.3 undecidable manual S 127 31.5462 105 0.1 71
IV.APEC.HHZ. 2017-01-29T16:02:34.55 0.6 undecidable manual S 104 27.5502 107 0.47 44
IV.LMD.HHZ. 2017-01-29T16:02:34.52 0.3 undecidable manual P 329 59.0964 50 -0.37 64
IV.FRON.EHZ. 2017-01-29T16:02:33.41 0.3 undecidable manual P 102 52.503 50 -0.47 63
IV.MPAG.EHZ. 2017-01-29T16:02:33.70 0.3 undecidable manual P 89 53.9016 50 -0.4 64
IV.ATFO.HHZ. 2017-01-29T16:02:33.03 0.3 undecidable manual P 126 48.1185 50 -0.17 68
IV.MURB.HHZ. 2017-01-29T16:02:33.88 0.6 undecidable manual P 138 53.0025 50 -0.09 46
IV.CDCA.HNZ. 2017-01-29T16:02:32.45 0.6 undecidable manual S 147 21.5673 112 0.34 46
IV.ATVO.HHZ. 2017-01-29T16:02:31.12 0.3 undecidable manual P 136 36.8298 50 -0.35 67
IV.BADI.EHZ. 2017-01-29T16:02:31.10 0.6 undecidable manual S 134 17.6712 116 0.23 47
IV.ATMI.HHZ. 2017-01-29T16:02:30.86 0.3 undecidable manual P 155 34.9428 50 -0.32 67
IV.ATPI.EHZ. 2017-01-29T16:02:30.22 0.3 undecidable manual P 127 31.5462 105 -0.4 67
IV.PIEI.HHZ. 2017-01-29T16:02:30.95 0.1 undecidable manual P 105 37.1295 50 -0.57 84
IV.CAFI.HHZ. 2017-01-29T16:02:30.68 0.1 undecidable manual P 197 33.8439 50 -0.32 90
IV.CPGN.EHZ. 2017-01-29T16:02:30.16 0.3 undecidable manual P 43 27.3504 108 0.36 68
IV.PE3.EHZ. 2017-01-29T16:02:30.76 0.3 undecidable manual P 76 33.8439 50 -0.24 69
IV.ASQU.HHZ. 2017-01-29T16:02:29.81 0.1 undecidable manual P 309 30.8469 106 -0.67 81
IV.PARC.HHZ. 2017-01-29T16:02:29.13 0.3 undecidable manual S 76 12.4764 125 -0.2 72
IV.APEC.HHZ. 2017-01-29T16:02:29.76 0.1 undecidable manual P 104 27.5502 107 -0.09 96
IV.SSP9.EHZ. 2017-01-29T16:02:28.12 0.3 undecidable manual S 146 6.2937 144 0.35 70
IV.BADI.EHZ. 2017-01-29T16:02:28.03 0.3 undecidable manual P 134 17.6712 116 0.04 74
IV.CRE.HHZ. 2017-01-29T16:02:28.71 0.1 undecidable manual S 269 10.9779 128 -0.19 96
IV.CDCA.HNZ. 2017-01-29T16:02:28.88 0.6 undecidable manual P 147 21.5673 112 0.17 47
IV.PARC.HHZ. 2017-01-29T16:02:27.06 0.1 undecidable manual P 76 12.4764 125 -0.04 99
IV.SSP9.EHZ. 2017-01-29T16:02:26.25 0.1 undecidable manual P 146 6.2937 144 0.05 100
IV.CRE.HHZ. 2017-01-29T16:02:26.80 0.1 undecidable manual P 269 10.9779 128 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:2.4 0.00141 0.28 AML other m 2017-01-29T16:02:35.13
IV.APEC.HNN. ML:2.5 0.001665 0.28 AML other m 2017-01-29T16:02:35.73
IV.APEC.HHN. ML:2.6 0.0019899999999999996 0.8 AML other m 2017-01-29T16:02:35.74
IV.APEC.HNE. ML:2.5 0.0018025 0.82 AML other m 2017-01-29T16:02:35.76
IV.ARVD.HHE. ML:2.0 0.0001655 1.24 AML other m 2017-01-29T16:02:48.95
IV.ARVD.HHN. ML:1.8 0.00009470000000000001 0.42 AML other m 2017-01-29T16:02:48.88
IV.ASQU.HHN. ML:1.9 0.00035099999999999997 1.08 AML other m 2017-01-29T16:02:35.37
IV.ASQU.HHE. ML:1.9 0.00040149999999999995 1.56 AML other m 2017-01-29T16:02:37.90
IV.ATCC.EHN. ML:2.0 0.0001955 1.48 AML other m 2017-01-29T16:02:49.91
IV.ATCC.EHE. ML:2.1 0.000247 0.82 AML other m 2017-01-29T16:02:49.20
IV.ATFO.HHE. ML:2.2 0.00044399999999999995 0.46 AML other m 2017-01-29T16:02:41.80
IV.ATFO.HHN. ML:2.1 0.00033299999999999996 0.4 AML other m 2017-01-29T16:02:42.29
IV.ATMI.HHE. ML:2.1 0.000523 1.66 AML other m 2017-01-29T16:02:41.96
IV.ATMI.HHN. ML:2.1 0.0005755000000000001 0.52 AML other m 2017-01-29T16:02:45.01
IV.ATPI.EHE. ML:1.9 0.00034399999999999996 0.68 AML other m 2017-01-29T16:02:37.51
IV.ATPI.EHN. ML:1.8 0.000297 0.6 AML other m 2017-01-29T16:02:38.98
IV.ATVO.HHN. ML:2.0 0.0003485 0.52 AML other m 2017-01-29T16:02:37.66
IV.ATVO.HHE. ML:2.0 0.0003645 0.52 AML other m 2017-01-29T16:02:39.29
IV.BRIS.HHE. ML:2.1 0.0001995 1.22 AML other m 2017-01-29T16:02:49.02
IV.BRIS.HHN. ML:2.0 0.000153 0.6 AML other m 2017-01-29T16:02:50.91
IV.CAFI.HHN. ML:1.9 0.0003505 0.52 AML other m 2017-01-29T16:02:36.26
IV.CAFI.HHE. ML:1.8 0.0002715 0.32 AML other m 2017-01-29T16:02:38.38
IV.CDCA.HNN. ML:2.3 0.0015899999999999998 0.56 AML other m 2017-01-29T16:02:38.37
IV.CDCA.HNE. ML:2.1 0.000937 1.1 AML other m 2017-01-29T16:02:34.71
IV.CPGN.EHN. ML:2.3 0.00106 1.3 AML other m 2017-01-29T16:02:39.17
IV.CPGN.HNE. ML:2.3 0.0010765 0.26 AML other m 2017-01-29T16:02:37.31
IV.CPGN.HNN. ML:2.2 0.000822 0.9 AML other m 2017-01-29T16:02:38.50
IV.CPGN.EHE. ML:2.2 0.000889 0.36 AML other m 2017-01-29T16:02:36.25
IV.CRE.HHN. ML:2.8 0.008025000000000001 0.2 AML other m 2017-01-29T16:02:28.88
IV.CRE.HHE. ML:2.4 0.00312 1.82 AML other m 2017-01-29T16:02:29.00
IV.CSNT.HHE. ML:2.0 0.00016049999999999997 0.4 AML other m 2017-01-29T16:02:49.29
IV.CSNT.HHN. ML:2.1 0.00023099999999999998 0.56 AML other m 2017-01-29T16:02:48.22
IV.FRON.EHN. ML:2.1 0.00028500000000000004 0.38 AML other m 2017-01-29T16:02:44.56
IV.FRON.EHE. ML:1.9 0.0002035 0.32 AML other m 2017-01-29T16:02:42.78
IV.LMD.HHE. ML:2.1 0.0002415 0.4 AML other m 2017-01-29T16:02:45.16
IV.LMD.HHN. ML:2.0 0.00021550000000000003 0.36 AML other m 2017-01-29T16:02:45.43
IV.MGAB.HHN. ML:2.2 0.00023199999999999997 1.1 AML other m 2017-01-29T16:02:52.23
IV.MGAB.HNN. ML:2.2 0.0002165 1.08 AML other m 2017-01-29T16:02:52.24
IV.MGAB.HHE. ML:2.2 0.000211 1.14 AML other m 2017-01-29T16:02:54.86
IV.MGAB.HNE. ML:2.2 0.000229 0.76 AML other m 2017-01-29T16:02:55.87
IV.MPAG.EHN. ML:2.0 0.00022799999999999999 0.22 AML other m 2017-01-29T16:02:42.08
IV.MPAG.EHE. ML:1.8 0.00016949999999999997 1.84 AML other m 2017-01-29T16:02:42.92
IV.MTCR.EHN. ML:2.1 0.00012075 0.86 AML other m 2017-01-29T16:02:58.80
IV.MTCR.EHE. ML:1.9 0.00008015 1.24 AML other m 2017-01-29T16:02:59.78
IV.MURB.HHN. ML:2.3 0.0005369999999999999 0.86 AML other m 2017-01-29T16:02:45.48
IV.MURB.HNN. ML:2.3 0.0005245 0.86 AML other m 2017-01-29T16:02:45.49
IV.MURB.HHE. ML:2.3 0.0004925000000000001 1.06 AML other m 2017-01-29T16:02:48.35
IV.MURB.HNE. ML:2.3 0.000476 0.34 AML other m 2017-01-29T16:02:48.35
IV.PARC.HHE. ML:2.3 0.002265 0.22 AML other m 2017-01-29T16:02:29.43
IV.PARC.HHN. ML:2.6 0.0048449999999999995 0.24 AML other m 2017-01-29T16:02:29.42
IV.PE3.EHN. ML:0.7 0.000022 0.28 AML other m 2017-01-29T16:02:37.09
IV.PE3.EHE. ML:3.0 0.00432 1.6 AML other m 2017-01-29T16:02:37.09
IV.PIEI.HHN. ML:2.1 0.000463 0.34 AML other m 2017-01-29T16:02:37.17
IV.PIEI.HHE. ML:2.4 0.001016 0.2 AML other m 2017-01-29T16:02:37.27
IV.PII.HHE. ML:2.2 0.0001042 0.38 AML other m 2017-01-29T16:03:06.71
IV.PII.HHN. ML:2.1 0.00009375 0.6 AML other m 2017-01-29T16:03:10.63
IV.SACS.HHN. ML:2.0 0.0001315 1.42 AML other m 2017-01-29T16:02:55.04
IV.SACS.HHE. ML:1.9 0.00009575 0.64 AML other m 2017-01-29T16:02:56.47
IV.SNTG.HHN. ML:1.9 0.00012059999999999999 0.42 AML other m 2017-01-29T16:02:55.78
IV.SNTG.HHE. ML:1.7 0.00007005 0.58 AML other m 2017-01-29T16:02:51.49
IV.SSP9.EHE. ML:2.2 0.0026950000000000003 0.6 AML other m 2017-01-29T16:02:28.37
IV.SSP9.EHN. ML:2.0 0.001835 0.62 AML other m 2017-01-29T16:02:29.46
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