Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 15-08-2021 and time 10:10:01 (Italy) in region 8 km SE Gubbio (PG)

A magnitude ML 1.7 earthquake occured in region: 8 km SE Gubbio (PG), on

  • 15-08-2021 08:10:01 (UTC)
  • 15-08-2021 10:10:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2860, 12.6170 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
Gubbio PG 8 32216 32216
Sigillo PG 11 2404 34620
Costacciaro PG 11 1216 35836
Fossato di Vico PG 12 2840 38676
Scheggia e Pascelupo PG 14 1393 40069
Valfabbrica PG 14 3389 43458
Gualdo Tadino PG 15 15208 58666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Perugia (166134 inhabitants)
37 Km N of Foligno (57155 inhabitants)
63 Km E of Arezzo (99543 inhabitants)
70 Km SW of Fano (60888 inhabitants)
74 Km SW of Pesaro (94582 inhabitants)
81 Km N of Terni (111501 inhabitants)
82 Km W of Ancona (100861 inhabitants)
86 Km S of Rimini (147750 inhabitants)
99 Km SE of Cesena (96758 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 1.7 2021-08-15
08:10:01		 43.2862 12.6173 9 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95470431
Reviewed
Rev100 		ML 1.8 2021-08-15
08:10:01		 43.2895 12.6202 9 2021-08-15
08:17:56		 Sala Sismica INGV-Roma 94185001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-15 08:10:01 ± 0.02
Latitude 43.2862 ± 0.0018
Longitude 12.6173 ± 0.0025
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 95470431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 160
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 78
Number of defining phases 78
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.58006
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 94185001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-15 08:17:56

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 95470431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-16 09:42:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2021-08-15T08:10:19.00 0.6 undecidable manual S 275 52.8027 50 0.27 44
IV.CSP1.EHZ. 2021-08-15T08:10:18.90 0.3 undecidable manual S 114 52.2033 50 0.33 66
IV.FDMO.HHZ. 2021-08-15T08:10:17.40 0.6 undecidable manual S 126 47.0196 50 0.2 46
IV.CING.HHZ. 2021-08-15T08:10:17.80 0.3 undecidable manual S 78 47.7189 50 0.43 65
IT.MTCL.HGZ. 2021-08-15T08:10:16.50 0.6 undecidable manual S 136 44.8218 50 -0.1 47
IV.CESI.HHZ. 2021-08-15T08:10:15.10 0.6 undecidable manual S 143 38.9277 50 0.07 47
IV.MPAG.EHZ. 2021-08-15T08:10:15.20 0.6 undecidable manual S 17 39.7269 50 -0.05 48
IV.EL6.EHZ. 2021-08-15T08:10:15.40 0.3 undecidable manual S 83 39.4272 50 0.24 69
IV.ARVD.HHZ. 2021-08-15T08:10:14.00 0.6 undecidable manual S 48 35.1426 50 -0.03 48
IV.NARO.HHZ. 2021-08-15T08:10:14.40 0.6 undecidable manual S 355 36.1416 50 0.11 47
IV.ATMC.EHE. 2021-08-15T08:10:14.70 0.6 undecidable manual S 298 38.628 50 -0.25 46
IV.APEC.HNN. 2021-08-15T08:10:14.10 0.3 undecidable manual S 332 34.1436 50 0.34 68
IV.NRCA.HHZ. 2021-08-15T08:10:13.14 0.1 undecidable manual P 141 64.3911 50 -0.18 89
IV.MMUR.HNE. 2021-08-15T08:10:13.90 0.6 undecidable manual S 60 35.1426 50 -0.13 47
IV.MC2.EHZ. 2021-08-15T08:10:13.31 0.6 undecidable manual P 132 62.1933 50 0.32 43
IV.MML1.EHZ. 2021-08-15T08:10:13.90 0.6 undecidable manual S 124 34.4433 50 0.06 48
IV.ATMI.HHZ. 2021-08-15T08:10:12.00 0.6 undecidable manual S 281 28.6491 107 -0.11 48
IV.MGAB.HHZ. 2021-08-15T08:10:12.51 0.1 undecidable manual P 225 58.1973 50 0.14 90
IV.SEF1.HNN. 2021-08-15T08:10:12.80 0.6 undecidable manual S 120 30.8469 106 -0.03 49
IV.CAFI.HHZ. 2021-08-15T08:10:11.55 0.1 undecidable manual P 275 52.8027 50 0.02 93
IV.ASSB.HHZ. 2021-08-15T08:10:11.40 0.6 undecidable manual S 173 27.2505 108 -0.22 47
IV.MOMA.HNZ. 2021-08-15T08:10:11.42 0.6 undecidable manual P 184 53.6019 50 -0.24 45
IV.FRON.EHZ. 2021-08-15T08:10:11.30 0.3 undecidable manual S 19 27.1506 108 -0.3 69
IV.FEMA.HNE. 2021-08-15T08:10:11.61 0.6 undecidable manual P 136 50.2164 50 0.48 43
IV.PARC.HHZ. 2021-08-15T08:10:11.54 0.6 undecidable manual P 323 50.5161 50 0.37 44
IV.ATPC.HHE. 2021-08-15T08:10:11.30 0.6 undecidable manual S 329 25.1526 109 0.36 46
IV.FIU1.HNZ. 2021-08-15T08:10:11.60 0.6 undecidable manual S 113 27.6501 108 -0.15 48
IV.ATVA.EHE. 2021-08-15T08:10:11.20 0.3 undecidable manual S 268 26.8509 108 -0.29 69
IV.CSP1.EHZ. 2021-08-15T08:10:11.27 0.1 undecidable manual P 114 52.2033 50 -0.17 91
IV.COR1.EHZ. 2021-08-15T08:10:11.17 0.6 undecidable manual P 39 49.2174 50 0.19 45
IV.PIEI.HHZ. 2021-08-15T08:10:11.80 0.6 undecidable manual S 347 28.4493 107 -0.23 47
IV.ATBU.EHZ. 2021-08-15T08:10:10.20 0.6 undecidable manual S 345 21.7671 112 0.36 46
IT.MTCL.HGZ. 2021-08-15T08:10:10.47 0.6 undecidable manual P 136 44.8218 50 0.17 46
IV.CING.HHZ. 2021-08-15T08:10:10.64 0.1 undecidable manual P 78 47.7189 50 -0.11 93
IV.PE3.EHE. 2021-08-15T08:10:10.92 0.6 undecidable manual P 348 46.5201 50 0.36 44
IV.ATPI.EHZ. 2021-08-15T08:10:10.90 0.6 undecidable manual S 317 25.1526 109 -0.05 49
IV.FDMO.HHZ. 2021-08-15T08:10:10.34 0.1 undecidable manual P 126 47.0196 50 -0.31 89
IV.ATMC.EHE. 2021-08-15T08:10:09.20 0.3 undecidable manual P 298 38.628 50 -0.15 70
IV.MML1.EHZ. 2021-08-15T08:10:09.02 0.3 undecidable manual P 124 34.4433 50 0.31 68
IV.ATVO.HHZ. 2021-08-15T08:10:09.30 0.6 undecidable manual S 302 20.0688 114 0 50
IV.MPAG.EHZ. 2021-08-15T08:10:09.30 0.1 positive manual P 17 39.7269 50 -0.22 92
IV.SSFR.HHZ. 2021-08-15T08:10:09.70 0.6 undecidable manual S 39 21.3675 113 0 50
IV.CESI.HHZ. 2021-08-15T08:10:09.24 0.3 undecidable manual P 143 38.9277 50 -0.15 70
IV.TB02.DHZ.01 2021-08-15T08:10:09.20 0.6 undecidable manual S 299 19.1697 115 0.17 48
IV.EL6.EHZ. 2021-08-15T08:10:09.29 0.1 positive manual P 83 39.4272 50 -0.18 93
IV.TB03.DHZ.01 2021-08-15T08:10:09.80 0.6 undecidable manual S 308 21.0678 113 0.19 48
IV.ATLO.EHE. 2021-08-15T08:10:08.40 0.3 undecidable manual S 281 17.2716 117 -0.02 75
IV.MMUR.HNE. 2021-08-15T08:10:08.52 0.3 undecidable manual P 60 35.1426 50 -0.3 68
IV.APEC.HNN. 2021-08-15T08:10:08.70 0.1 undecidable manual P 332 34.1436 50 0.04 96
IV.ATSC.EHE. 2021-08-15T08:10:08.20 0.3 undecidable manual S 20 16.2726 119 0.08 74
IV.ARVD.HHZ. 2021-08-15T08:10:08.54 0.1 positive manual P 48 35.1426 50 -0.28 92
IV.TB01.DHZ. 2021-08-15T08:10:08.90 0.6 undecidable manual S 306 18.0708 116 0.22 48
IV.NARO.HHZ. 2021-08-15T08:10:08.81 0.6 undecidable manual P 355 36.1416 50 -0.16 47
IV.ATPI.EHZ. 2021-08-15T08:10:07.02 0.1 undecidable manual P 317 25.1526 109 -0.02 98
IV.FOSV.EHZ. 2021-08-15T08:10:07.00 0.3 undecidable manual S 85 11.6772 127 0.23 72
IV.ATVA.EHE. 2021-08-15T08:10:07.09 0.1 undecidable manual P 268 26.8509 108 -0.26 93
IV.ATMI.HHZ. 2021-08-15T08:10:07.62 0.6 undecidable manual P 281 28.6491 107 -0.09 48
IV.FRON.EHZ. 2021-08-15T08:10:07.13 0.1 positive manual P 19 27.1506 108 -0.28 93
IV.SEF1.HNN. 2021-08-15T08:10:07.91 0.6 undecidable manual P 120 30.8469 106 -0.21 47
IV.ATPC.HHE. 2021-08-15T08:10:07.04 0.1 undecidable manual P 329 25.1526 109 0 99
IV.PIEI.HHZ. 2021-08-15T08:10:07.44 0.1 undecidable manual P 347 28.4493 107 -0.22 94
IV.ATCC.EHZ. 2021-08-15T08:10:07.10 0.3 undecidable manual S 171 11.3775 128 0.42 69
IV.FIU1.HNZ. 2021-08-15T08:10:07.44 0.6 undecidable manual P 113 27.6501 108 -0.06 49
IV.ASSB.HHZ. 2021-08-15T08:10:07.09 0.1 negative manual P 173 27.2505 108 -0.34 92
IV.ATBU.EHZ. 2021-08-15T08:10:06.51 0.1 positive manual P 345 21.7671 112 0.11 97
IV.SSFR.HHZ. 2021-08-15T08:10:06.23 0.1 undecidable manual P 39 21.3675 113 -0.09 98
IV.ATFO.HHZ. 2021-08-15T08:10:06.30 0.3 undecidable manual S 338 9.6792 132 0.06 75
IV.ATVO.HHZ. 2021-08-15T08:10:06.04 0.1 positive manual P 302 20.0688 114 -0.04 99
IV.TB03.DHZ.01 2021-08-15T08:10:06.19 0.1 undecidable manual P 308 21.0678 113 -0.07 98
IV.ATLO.EHE. 2021-08-15T08:10:05.60 0.1 positive manual P 281 17.2716 117 0.02 100
IV.TB02.DHZ.01 2021-08-15T08:10:05.93 0.1 positive manual P 299 19.1697 115 0 100
IV.TB01.DHZ. 2021-08-15T08:10:05.75 0.3 undecidable manual P 306 18.0708 116 0.03 74
IV.MURB.HNZ. 2021-08-15T08:10:05.90 0.3 undecidable manual S 251 7.881 138 0.09 75
IV.ATSC.EHE. 2021-08-15T08:10:05.48 0.1 positive manual P 20 16.2726 119 0.08 99
IV.ATCC.EHZ. 2021-08-15T08:10:04.75 0.1 negative manual P 171 11.3775 128 0.18 97
IV.FOSV.EHZ. 2021-08-15T08:10:04.67 0.1 positive manual P 85 11.6772 127 0.05 100
IV.ATFO.HHZ. 2021-08-15T08:10:04.43 0.1 positive manual P 338 9.6792 132 0.11 99
IV.MURB.HNZ. 2021-08-15T08:10:04.21 0.1 positive manual P 251 7.881 138 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HNE. ML:2.6 0.007207489 0.2112 AML other m 2021-08-15T08:10:06.50
IV.MURB.HHE. ML:2.7 0.00816 0.2 AML other m 2021-08-15T08:10:06.49
IV.ATFO.HHE. ML:1.7 0.0007095000000000001 0.3 AML other m 2021-08-15T08:10:06.64
IV.ATFO.HHN. ML:1.6 0.0006011911 0.1792 AML other m 2021-08-15T08:10:07.06
IV.ATCC.EHN. ML:2.2 0.0017477179999999999 0.16 AML other m 2021-08-15T08:10:07.24
IV.FOSV.EHE. ML:1.4 0.00030879635 0.256 AML other m 2021-08-15T08:10:07.28
IV.ATCC.EHE. ML:2.0 0.0012426840000000002 0.2368 AML other m 2021-08-15T08:10:08.04
IV.FOSV.EHN. ML:1.4 0.00034219745 0.0768 AML other m 2021-08-15T08:10:07.77
IV.ATVO.HHE. ML:1.6 0.0003315507 0.1792 AML other m 2021-08-15T08:10:10.03
IV.ATVO.HHN. ML:1.5 0.000220558685 0.1216 AML other m 2021-08-15T08:10:10.08
IV.SSFR.HNE. ML:2.0 0.00079338345 0.16 AML other m 2021-08-15T08:10:11.19
IV.SSFR.HNN. ML:2.1 0.000889 0.14 AML other m 2021-08-15T08:10:11.00
IV.SSFR.HHN. ML:1.9 0.00054910165 0.1408 AML other m 2021-08-15T08:10:11.24
IV.SSFR.HHE. ML:2.0 0.000729 0.16 AML other m 2021-08-15T08:10:11.11
IV.ATPI.EHN. ML:1.4 0.00014850000000000003 0.18 AML other m 2021-08-15T08:10:11.36
IV.FRON.EHE. ML:1.6 0.00023867169999999997 0.1216 AML other m 2021-08-15T08:10:11.43
IV.ASSB.HHN. ML:2.1 0.0006559652000000001 0.1984 AML other m 2021-08-15T08:10:11.72
IV.FRON.EHN. ML:1.7 0.00029385045 0.1408 AML other m 2021-08-15T08:10:11.63
IV.ASSB.HHE. ML:1.8 0.00037344140000000005 0.1152 AML other m 2021-08-15T08:10:11.70
IV.PIEI.HHE. ML:1.4 0.00012095429500000001 0.1216 AML other m 2021-08-15T08:10:13.11
IV.ATMI.HHE. ML:1.6 0.0002315 1.74 AML other m 2021-08-15T08:10:13.91
IV.PIEI.HHN. ML:1.6 0.00018449999999999999 0.26 AML other m 2021-08-15T08:10:13.22
IV.MML1.HNN. ML:1.8 0.000234 0.14 AML other m 2021-08-15T08:10:14.17
IV.MML1.EHN. ML:1.7 0.0002245 0.14 AML other m 2021-08-15T08:10:14.18
IV.MML1.EHE. ML:1.6 0.000157 0.12 AML other m 2021-08-15T08:10:14.61
IV.ARVD.HHN. ML:1.2 0.00006378745 0.1024 AML other m 2021-08-15T08:10:15.14
IV.MPAG.EHE. ML:1.2 0.0000553 0.3 AML other m 2021-08-15T08:10:15.38
IV.EL6.EHN. ML:1.9 0.00029600000000000004 1.04 AML other m 2021-08-15T08:10:15.03
IV.EL6.EHE. ML:1.8 0.000243 0.3 AML other m 2021-08-15T08:10:15.53
IV.ARVD.HHE. ML:1.2 0.000067983355 0.096 AML other m 2021-08-15T08:10:15.69
IV.MML1.HNE. ML:1.6 0.00016048020000000002 0.1152 AML other m 2021-08-15T08:10:14.55
IV.CESI.HHN. ML:1.5 0.00011949999999999999 0.14 AML other m 2021-08-15T08:10:16.23
IV.MPAG.EHN. ML:1.2 0.000057300000000000004 0.74 AML other m 2021-08-15T08:10:16.07
IV.CESI.HHE. ML:1.5 0.000121 0.48 AML other m 2021-08-15T08:10:16.91
IV.CING.HHN. ML:1.5 0.00009620000000000001 1.78 AML other m 2021-08-15T08:10:18.02
IV.CING.HHE. ML:1.4 0.00006365 0.4 AML other m 2021-08-15T08:10:18.99
IV.FDMO.HHN. ML:1.5 0.00009315 1.08 AML other m 2021-08-15T08:10:19.73
IV.FDMO.HHE. ML:1.5 0.00009279999999999999 1.06 AML other m 2021-08-15T08:10:19.20
IV.CSP1.EHN. ML:1.9 0.00020205 0.38 AML other m 2021-08-15T08:10:19.35
IV.ATMI.HHN. ML:1.6 0.00020326225 0.2176 AML other m 2021-08-15T08:10:13.42
IV.CAFI.HHE. ML:1.4 0.00005405 1.38 AML other m 2021-08-15T08:10:19.83
IV.PARC.HHE. ML:1.3 0.00005155 1.82 AML other m 2021-08-15T08:10:19.96
IV.PARC.HHN. ML:1.3 0.0000528 0.18 AML other m 2021-08-15T08:10:20.08
IV.CAFI.HHN. ML:1.1 0.000031100000000000004 0.18 AML other m 2021-08-15T08:10:21.23
IV.MGAB.HHE. ML:1.8 0.000129 0.9 AML other m 2021-08-15T08:10:21.96
IV.NRCA.HHE. ML:1.9 0.0001585 0.12 AML other m 2021-08-15T08:10:23.39
IV.MGAB.HHN. ML:2.0 0.00021100000000000003 0.22 AML other m 2021-08-15T08:10:23.45
IV.NRCA.HHN. ML:2.1 0.000243 0.12 AML other m 2021-08-15T08:10:23.50
IV.CSP1.EHE. ML:1.8 0.00014450000000000002 1.24 AML other m 2021-08-15T08:10:24.07
IV.ATPI.HNN. ML:1.5 0.0002014538 0.2304 AML other m 2021-08-15T08:10:11.24
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