Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-09-2021 and time 06:57:12 (Italy) in region 7 km W Borgo Pace (PU)

A magnitude ML 1.4 earthquake occured in region: 7 km W Borgo Pace (PU), on

  • 05-09-2021 04:57:12 (UTC)
  • 05-09-2021 06:57:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6300, 12.2160 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
Borgo Pace PU 7 606 606
Sansepolcro AR 9 15884 16490
Badia Tedalda AR 9 1087 17577
San Giustino PG 10 11297 28874
Mercatello sul Metauro PU 10 1378 30252
Sestino AR 11 1355 31607
Pieve Santo Stefano AR 15 3183 34790
Anghiari AR 16 5638 40428
Belforte all'Isauro PU 16 769 41197
Sant'Angelo in Vado PU 16 4133 45330
Citerna PG 17 3531 48861
Monterchi AR 18 1757 50618
Apecchio PU 18 1882 52500
Caprese Michelangelo AR 19 1426 53926
Casteldelci RN 19 407 54333
Città di Castello PG 19 39913 94246
Piandimeleto PU 19 2167 96413
Carpegna PU 20 1674 98087
Frontino PU 20 293 98380

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Arezzo (99543 inhabitants)
56 Km SW of Rimini (147750 inhabitants)
56 Km S of Cesena (96758 inhabitants)
60 Km N of Perugia (166134 inhabitants)
64 Km W of Pesaro (94582 inhabitants)
67 Km S of Forlì (117913 inhabitants)
69 Km W of Fano (60888 inhabitants)
78 Km SE of Faenza (58541 inhabitants)
79 Km E of Firenze (382808 inhabitants)
79 Km E of Siena (53903 inhabitants)
84 Km E of Scandicci (50609 inhabitants)
85 Km NW of Foligno (57155 inhabitants)
88 Km S of Ravenna (159116 inhabitants)
90 Km SE of Imola (69797 inhabitants)
94 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 1.4 2021-09-05
04:57:12		 43.6302 12.216 10 2022-03-30
13:04:05		 Bollettino Sismico Italiano INGV 95376011
Reviewed
Rev100 		ML 1.5 2021-09-05
04:57:12		 43.6338 12.2168 10 2021-09-05
05:06:02		 Sala Sismica INGV-Roma 95057091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-05 04:57:12 ± 0.05
Latitude 43.6302 ± 0.0027
Longitude 12.2160 ± 0.0037
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 95376011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 232
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) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.89752
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 95376011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-13 09:46:56

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 95057091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-05 05:06:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LMD.HHE. 2021-09-05T04:57:32.52 0.6 undecidable manual S 321 64.1913 50 0.51 41
IV.ATCC.EHZ. 2021-09-05T04:57:31.22 0.3 undecidable manual S 145 59.9955 50 0.32 65
IV.ARVD.HHZ. 2021-09-05T04:57:31.28 0.3 undecidable manual S 104 60.0954 50 0.35 65
IV.CSP1.EHZ. 2021-09-05T04:57:29.33 0.3 undecidable manual P 126 99.6225 50 0.27 61
IV.SSFR.HHZ. 2021-09-05T04:57:28.56 0.3 undecidable manual S 115 50.3163 50 0.24 68
IV.MURB.HHZ. 2021-09-05T04:57:27.94 0.3 undecidable manual S 148 47.7189 50 0.32 67
IV.FRON.EHZ. 2021-09-05T04:57:26.28 0.3 undecidable manual S 107 42.8238 50 -0.03 72
IV.MPAG.EHZ. 2021-09-05T04:57:26.39 0.3 undecidable manual S 90 43.623 50 -0.14 70
IV.SFI.HNN. 2021-09-05T04:57:26.43 0.6 undecidable manual S 316 42.4242 50 0.22 46
IV.ASQU.HHZ. 2021-09-05T04:57:25.25 0.3 undecidable manual S 299 38.9277 50 -0.01 72
IV.CAFI.HHZ. 2021-09-05T04:57:25.38 0.3 undecidable manual S 211 38.9277 50 0.1 71
IV.ATVO.HHZ. 2021-09-05T04:57:23.29 0.3 undecidable manual S 151 31.5462 50 0 74
IV.ATMI.HHZ. 2021-09-05T04:57:23.46 0.3 undecidable manual S 173 33.1446 50 -0.25 70
IV.ATCC.EHZ. 2021-09-05T04:57:23.28 0.3 undecidable manual P 145 59.9955 50 0.32 65
IV.LMD.HHE. 2021-09-05T04:57:23.33 0.1 undecidable manual P 321 64.1913 50 -0.27 87
IV.ARVD.HHZ. 2021-09-05T04:57:22.81 0.3 undecidable manual P 104 60.0954 50 -0.16 68
IV.TB03.DHZ.01 2021-09-05T04:57:22.78 0.3 undecidable manual S 148 29.8479 50 -0.06 73
IV.NARO.HHZ. 2021-09-05T04:57:22.35 0.3 undecidable manual S 94 29.3484 50 -0.37 68
IV.SSFR.HHZ. 2021-09-05T04:57:21.29 0.3 undecidable manual P 115 50.3163 50 -0.18 69
IV.ATPC.HHZ. 2021-09-05T04:57:21.80 0.3 undecidable manual S 130 25.4523 111 0.24 71
IV.PE3.EHZ. 2021-09-05T04:57:21.13 0.3 undecidable manual S 72 23.6541 112 0.16 72
IV.ATPI.EHZ. 2021-09-05T04:57:21.17 0.3 undecidable manual S 143 24.9528 111 -0.2 71
IV.MURB.HHZ. 2021-09-05T04:57:21.08 0.3 undecidable manual P 148 47.7189 50 0.02 71
IV.CRE.HHZ. 2021-09-05T04:57:20.01 0.3 undecidable manual S 267 21.2676 114 -0.19 72
IV.SFI.HNN. 2021-09-05T04:57:20.23 0.1 undecidable manual P 316 42.4242 50 -0.02 96
IV.RSM2.HHE. 2021-09-05T04:57:20.17 0.6 undecidable manual P 28 38.7279 50 0.49 44
IV.FRON.EHZ. 2021-09-05T04:57:20.01 0.3 undecidable manual P 107 42.8238 50 -0.3 68
IV.CPGN.EHZ. 2021-09-05T04:57:20.58 0.3 undecidable manual S 24 20.7681 115 0.54 66
IV.MPAG.EHZ. 2021-09-05T04:57:20.18 0.3 undecidable manual P 90 43.623 50 -0.25 68
IV.CAFI.HHZ. 2021-09-05T04:57:19.80 0.1 positive manual P 211 38.9277 50 0.09 95
IV.CDCA.HNZ. 2021-09-05T04:57:19.98 0.6 undecidable manual S 176 19.0698 117 0.45 46
IV.APEC.HHZ. 2021-09-05T04:57:19.59 0.3 undecidable manual S 116 18.1707 118 0.34 70
IV.ASQU.HHZ. 2021-09-05T04:57:19.49 0.3 undecidable manual P 299 38.9277 50 -0.21 70
IV.ATMC.EHZ. 2021-09-05T04:57:19.67 0.3 undecidable manual S 185 20.4684 115 -0.27 71
IV.TB03.DHZ.01 2021-09-05T04:57:18.04 0.1 undecidable manual P 148 29.8479 50 -0.26 93
IV.ATVO.HHZ. 2021-09-05T04:57:18.40 0.3 undecidable manual P 151 31.5462 50 -0.16 71
IV.ATMI.HHZ. 2021-09-05T04:57:18.64 0.3 undecidable manual P 173 33.1446 50 -0.17 71
IV.NARO.HHZ. 2021-09-05T04:57:17.80 0.3 undecidable manual P 94 29.3484 50 -0.43 67
IT.SNS1.HNZ. 2021-09-05T04:57:17.15 0.3 undecidable manual S 227 9.2796 136 0.41 70
IV.BADI.EHZ. 2021-09-05T04:57:17.97 0.3 undecidable manual S 170 13.5753 125 0.09 74
IV.ATPC.HHZ. 2021-09-05T04:57:17.40 0.1 undecidable manual P 130 25.4523 111 -0.17 96
IV.PE3.EHZ. 2021-09-05T04:57:17.14 0.6 undecidable manual P 72 23.6541 112 -0.08 49
IV.ATPI.EHZ. 2021-09-05T04:57:17.26 0.1 undecidable manual P 143 24.9528 111 -0.19 95
IV.CPGN.EHZ. 2021-09-05T04:57:17.02 0.3 undecidable manual P 24 20.7681 115 0.33 70
IV.APEC.HHZ. 2021-09-05T04:57:16.45 0.3 undecidable manual P 116 18.1707 118 0.22 72
IV.SSP9.EHZ. 2021-09-05T04:57:16.81 0.3 undecidable manual S 227 9.1797 136 0.08 75
IV.ATMC.EHZ. 2021-09-05T04:57:16.58 0.1 undecidable manual P 185 20.4684 115 -0.05 99
IV.CRE.HHZ. 2021-09-05T04:57:16.78 0.3 undecidable manual P 267 21.2676 114 0 75
IV.CDCA.HNZ. 2021-09-05T04:57:16.38 0.1 undecidable manual P 176 19.0698 117 -0.01 100
IV.BADI.EHZ. 2021-09-05T04:57:15.55 0.1 undecidable manual P 170 13.5753 125 0.12 99
IV.PARC.HHZ. 2021-09-05T04:57:14.62 0.3 undecidable manual S 41 2.6973 164 -0.96 57
IV.SSP9.EHZ. 2021-09-05T04:57:14.88 0.3 undecidable manual P 227 9.1797 136 0.1 75
IT.SNS1.HNZ. 2021-09-05T04:57:14.94 0.1 undecidable manual P 227 9.2796 136 0.16 99
IV.PARC.HHZ. 2021-09-05T04:57:13.79 0.1 undecidable manual P 41 2.6973 164 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSP9.EHN. ML:1.5 0.000401 0.46 AML other m 2021-09-05T04:57:17.12
IV.SSP9.EHE. ML:1.2 0.00023899999999999998 0.82 AML other m 2021-09-05T04:57:17.59
IV.BADI.EHN. ML:1.8 0.000619 0.06 AML other m 2021-09-05T04:57:18.06
IV.BADI.EHE. ML:1.8 0.000628 0.22 AML other m 2021-09-05T04:57:19.02
IV.CRE.HHE. ML:1.0 0.0000753 1.36 AML other m 2021-09-05T04:57:20.83
IV.APEC.HHN. ML:1.8 0.0005405 1.2 AML other m 2021-09-05T04:57:21.61
IV.CRE.HHN. ML:1.0 0.00007664999999999999 0.72 AML other m 2021-09-05T04:57:21.70
IV.PE3.EHN. ML:1.7 0.000334 0.5 AML other m 2021-09-05T04:57:21.69
IV.PE3.EHE. ML:1.8 0.0003675 1.48 AML other m 2021-09-05T04:57:22.03
IV.NARO.HHN. ML:1.5 0.00015200000000000004 0.16 AML other m 2021-09-05T04:57:22.60
IV.APEC.HHE. ML:1.8 0.0005035 0.48 AML other m 2021-09-05T04:57:23.21
IV.NARO.HHE. ML:1.2 0.00008505000000000001 0.08 AML other m 2021-09-05T04:57:23.46
IV.ATVO.HHE. ML:1.8 0.00026249999999999993 1.42 AML other m 2021-09-05T04:57:24.81
IV.ATVO.HHN. ML:1.5 0.00013700000000000002 0.68 AML other m 2021-09-05T04:57:24.36
IV.ATMI.HHE. ML:1.6 0.00016 0.58 AML other m 2021-09-05T04:57:25.53
IV.ATMI.HHN. ML:1.5 0.00014350000000000002 0.16 AML other m 2021-09-05T04:57:25.54
IV.CAFI.HHE. ML:1.3 0.00006665000000000001 0.12 AML other m 2021-09-05T04:57:26.16
IV.ASQU.HHE. ML:1.0 0.00003345 0.5 AML other m 2021-09-05T04:57:26.13
IV.ASQU.HHN. ML:1.2 0.000054199999999999996 0.18 AML other m 2021-09-05T04:57:26.42
IV.CAFI.HHN. ML:1.2 0.000061 0.56 AML other m 2021-09-05T04:57:26.31
IV.FRON.EHN. ML:1.4 0.0000766 0.62 AML other m 2021-09-05T04:57:28.51
IV.FRON.EHE. ML:1.0 0.000028700000000000003 1.28 AML other m 2021-09-05T04:57:28.91
IV.MPAG.EHE. ML:1.0 0.000029749999999999998 0.74 AML other m 2021-09-05T04:57:28.30
IV.MPAG.EHN. ML:1.0 0.00003265 0.18 AML other m 2021-09-05T04:57:28.23
IV.MURB.HHE. ML:1.7 0.0001515 0.28 AML other m 2021-09-05T04:57:29.20
IV.MURB.HHN. ML:1.8 0.0001635 1.4 AML other m 2021-09-05T04:57:29.09
IV.SSFR.HHE. ML:1.8 0.0001505 0.16 AML other m 2021-09-05T04:57:30.50
IV.SSFR.HHN. ML:1.8 0.000156 0.16 AML other m 2021-09-05T04:57:30.79
IV.ARVD.HHN. ML:1.1 0.00002285 0.46 AML other m 2021-09-05T04:57:33.56
IV.ATCC.EHN. ML:1.4 0.000048899999999999996 0.86 AML other m 2021-09-05T04:57:34.51
IV.ARVD.HHE. ML:1.0 0.00001775 0.62 AML other m 2021-09-05T04:57:34.71
IV.ATCC.EHE. ML:1.5 0.00006235 1.7 AML other m 2021-09-05T04:57:36.03
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