Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-09-2021 and time 09:12:05 (UTC) in region 4 km SE Pietralunga (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Pietralunga (PG), on

  • 10-09-2021 09:12:05 (UTC)
  • 10-09-2021 11:12:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4180, 12.4760 at 8 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
Pietralunga PG 4 2111 2111
Gubbio PG 11 32216 34327
Montone PG 13 1680 36007
Cantiano PU 14 2245 38252
Scheggia e Pascelupo PG 16 1393 39645
Apecchio PU 16 1882 41527
Umbertide PG 17 16681 58208
Piobbico PU 19 2029 60237
Città di Castello PG 20 39913 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
55 Km NW of Foligno (57155 inhabitants)
65 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
87 Km W of Ancona (100861 inhabitants)
93 Km E of Siena (53903 inhabitants)
96 Km SE of Forlì (117913 inhabitants)
96 Km N of Terni (111501 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 1.5 2021-09-10
09:12:05		 43.4185 12.476 8 2022-03-30
13:04:28		 Bollettino Sismico Italiano INGV 99619111
Reviewed
Rev100 		ML 1.5 2021-09-10
09:12:05		 43.4243 12.4802 8 2021-09-10
09:19:11		 Sala Sismica INGV-Roma 95262321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-10 09:12:05 ± 0.03
Latitude 43.4185 ± 0.0018
Longitude 12.4760 ± 0.0025
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99619111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 175
Semi-minor axis of confidence ellipse (meter) 93
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 59
Number of defining phases 59
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) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.62323
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 99619111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-11 11:42:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 95262321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-10 09:19:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-09-10T09:12:27.85 0.6 undecidable manual S 121 69.1752 50 0.27 42
IV.MML1.EHZ. 2021-09-10T09:12:23.50 0.3 undecidable manual S 130 52.4031 50 0.38 64
IV.EL6.EHZ. 2021-09-10T09:12:23.13 0.6 undecidable manual S 101 51.4152 50 0.28 44
IV.CRE.HHZ. 2021-09-10T09:12:22.00 0.3 undecidable manual S 298 47.7189 50 0.15 68
IV.CAFI.HHZ. 2021-09-10T09:12:20.20 0.6 undecidable manual S 257 42.3243 50 -0.21 45
IV.ASSB.HHZ. 2021-09-10T09:12:20.62 0.6 undecidable manual S 160 44.2224 50 -0.31 44
IV.ARVD.HHZ. 2021-09-10T09:12:19.14 0.3 undecidable manual S 77 38.5281 50 -0.26 67
IV.CSP1.EHZ. 2021-09-10T09:12:18.47 0.3 undecidable manual P 121 69.1752 50 0.03 67
IV.PARC.HHZ. 2021-09-10T09:12:17.51 0.3 undecidable manual S 323 31.8459 104 0.16 70
IV.MPAG.EHZ. 2021-09-10T09:12:17.44 0.3 undecidable manual S 44 32.6451 104 -0.18 69
IV.ATCC.EHZ. 2021-09-10T09:12:16.81 0.3 undecidable manual S 153 29.0487 105 0.39 67
IV.CRE.HHZ. 2021-09-10T09:12:15.25 0.3 undecidable manual P 298 47.7189 50 0.12 68
IV.MML1.EHZ. 2021-09-10T09:12:15.63 0.3 undecidable manual P 130 52.4031 50 -0.24 66
IV.EL6.EHZ. 2021-09-10T09:12:15.80 0.3 undecidable manual P 101 51.4152 50 0.09 68
IV.SSFR.HHZ. 2021-09-10T09:12:14.93 0.3 undecidable manual S 85 24.753 108 -0.05 72
IV.ATMC.EHZ. 2021-09-10T09:12:14.45 0.6 undecidable manual S 278 23.0547 109 0.04 48
IV.BADI.EHZ. 2021-09-10T09:12:14.10 0.3 undecidable manual S 299 21.2676 110 0.28 69
IV.CAFI.HHZ. 2021-09-10T09:12:14.11 0.3 undecidable manual P 257 42.3243 50 -0.19 68
IV.FRON.EHZ. 2021-09-10T09:12:14.39 0.3 undecidable manual S 61 22.9548 109 0.02 73
IV.ASSB.HHZ. 2021-09-10T09:12:14.30 0.3 undecidable manual P 160 44.2224 50 -0.3 66
IV.ATMI.HHZ. 2021-09-10T09:12:13.33 0.3 undecidable manual S 241 19.1697 112 0.16 71
IV.NARO.HHZ. 2021-09-10T09:12:13.98 0.3 undecidable manual S 21 22.9548 109 -0.4 67
IV.ATVA.EHZ. 2021-09-10T09:12:13.73 0.3 undecidable manual S 225 21.867 110 -0.29 69
IV.ARVD.HHZ. 2021-09-10T09:12:13.30 0.6 undecidable manual P 77 38.5281 50 -0.42 43
IV.ATSC.EHZ. 2021-09-10T09:12:12.58 0.3 undecidable manual S 88 16.9719 115 0.12 72
IV.MPAG.EHZ. 2021-09-10T09:12:12.37 0.3 undecidable manual P 44 32.6451 104 -0.32 67
IV.APEC.HHZ. 2021-09-10T09:12:12.40 0.6 undecidable manual S 344 16.1727 116 0.19 47
IV.ATCC.EHZ. 2021-09-10T09:12:12.04 0.3 undecidable manual P 153 29.0487 105 0.04 72
IV.PE3.EHE. 2021-09-10T09:12:12.65 1.0 undecidable manual P 3 30.8469 104 0.31 23
IV.MURB.HHZ. 2021-09-10T09:12:12.93 0.3 undecidable manual S 167 17.6712 114 0.25 70
IV.PARC.HHZ. 2021-09-10T09:12:12.41 0.3 undecidable manual P 323 31.8459 104 -0.13 70
IV.SSFR.HHZ. 2021-09-10T09:12:11.02 0.1 undecidable manual P 85 24.753 108 -0.15 94
IV.ATMC.EHZ. 2021-09-10T09:12:11.23 0.3 undecidable manual P 278 23.0547 109 0.39 67
IV.ATLO.EHZ. 2021-09-10T09:12:11.15 0.3 undecidable manual S 206 12.7761 122 -0.01 74
IV.FRON.EHZ. 2021-09-10T09:12:10.70 0.1 undecidable manual P 61 22.9548 109 -0.12 95
IV.ATMI.HHZ. 2021-09-10T09:12:10.14 0.6 undecidable manual P 241 19.1697 112 0.02 49
IV.ATFO.HNZ. 2021-09-10T09:12:10.20 0.3 undecidable manual S 127 9.5793 129 -0.08 74
IV.NARO.HHZ. 2021-09-10T09:12:10.60 0.1 undecidable manual P 21 22.9548 109 -0.22 93
IV.ATVA.EHZ. 2021-09-10T09:12:10.73 0.1 undecidable manual P 225 21.867 110 0.12 95
IV.ATBU.HNZ. 2021-09-10T09:12:10.32 0.3 undecidable manual S 42 8.5803 133 0.31 70
IV.BADI.EHZ. 2021-09-10T09:12:10.56 0.3 undecidable manual P 299 21.2676 110 0.06 72
IV.ATVO.HHZ. 2021-09-10T09:12:09.26 0.6 undecidable manual S 234 6.8931 139 -0.34 47
IV.TB03.DHZ.01 2021-09-10T09:12:09.02 0.3 undecidable manual S 250 5.5944 145 -0.31 71
IV.MURB.HHZ. 2021-09-10T09:12:09.94 0.1 undecidable manual P 167 17.6712 114 0.1 96
IV.ATPI.EHZ. 2021-09-10T09:12:09.40 0.6 undecidable manual S 301 6.8931 139 -0.21 48
IV.TB01.DHZ.01 2021-09-10T09:12:09.01 0.3 undecidable manual S 218 5.1948 146 -0.24 72
IV.ATSC.EHZ. 2021-09-10T09:12:09.81 0.1 undecidable manual P 88 16.9719 115 0.1 97
IV.TB02.DHZ.01 2021-09-10T09:12:09.64 0.3 undecidable manual S 225 7.5813 136 -0.12 73
IV.ATPC.HHZ. 2021-09-10T09:12:09.76 0.3 undecidable manual S 347 7.0929 138 0.12 73
IV.APEC.HHZ. 2021-09-10T09:12:09.71 0.1 undecidable manual P 344 16.1727 116 0.14 96
IV.ATLO.EHZ. 2021-09-10T09:12:09.04 0.1 undecidable manual P 206 12.7761 122 0.08 98
IV.ATBU.HNZ. 2021-09-10T09:12:08.60 0.1 positive manual P 42 8.5803 133 0.3 94
IV.TB02.DHZ.01 2021-09-10T09:12:08.18 0.1 positive manual P 225 7.5813 136 0.03 100
IV.ATPC.HHZ. 2021-09-10T09:12:08.23 0.1 undecidable manual P 347 7.0929 138 0.15 97
IV.ATVO.HHZ. 2021-09-10T09:12:08.01 0.1 positive manual P 234 6.8931 139 -0.05 99
IV.ATPI.EHZ. 2021-09-10T09:12:08.06 0.1 undecidable manual P 301 6.8931 139 -0.01 100
IV.ATFO.HNZ. 2021-09-10T09:12:08.47 0.1 undecidable manual P 127 9.5793 129 0.02 99
IV.TB03.DHZ.01 2021-09-10T09:12:07.82 0.1 positive manual P 250 5.5944 145 -0.08 99
IV.TB01.DHZ.01 2021-09-10T09:12:07.78 0.1 undecidable manual P 218 5.1948 146 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:1.4 0.0005304999999999999 0.68 AML other m 2021-09-10T09:12:10.23
IV.ATPI.EHE. ML:1.6 0.0006865 0.22 AML other m 2021-09-10T09:12:10.53
IV.ATVO.HHE. ML:1.6 0.000689 0.4 AML other m 2021-09-10T09:12:11.07
IV.ATVO.HHN. ML:1.4 0.0004355 1.06 AML other m 2021-09-10T09:12:11.56
IV.APEC.HHE. ML:1.8 0.000596 0.16 AML other m 2021-09-10T09:12:12.90
IV.APEC.HHN. ML:1.6 0.00037749999999999996 0.24 AML other m 2021-09-10T09:12:12.74
IV.MURB.HHN. ML:2.0 0.0008125 0.92 AML other m 2021-09-10T09:12:13.94
IV.NARO.HHN. ML:1.3 0.000125 0.16 AML other m 2021-09-10T09:12:14.35
IV.NARO.HHE. ML:1.3 0.00014050000000000003 0.06 AML other m 2021-09-10T09:12:14.52
IV.MURB.HNN. ML:1.9 0.0007365 0.84 AML other m 2021-09-10T09:12:14.53
IV.BADI.EHN. ML:1.8 0.000442 0.5 AML other m 2021-09-10T09:12:14.61
IV.MURB.HHE. ML:2.0 0.0009845000000000001 1.76 AML other m 2021-09-10T09:12:14.88
IV.ATMI.HHN. ML:1.4 0.000187 0.82 AML other m 2021-09-10T09:12:14.47
IV.MURB.HNE. ML:2.0 0.00088 1.78 AML other m 2021-09-10T09:12:14.00
IV.BADI.EHE. ML:1.6 0.00032250000000000003 0.22 AML other m 2021-09-10T09:12:15.23
IV.SSFR.HHN. ML:1.8 0.000361 0.16 AML other m 2021-09-10T09:12:16.36
IV.ATMI.HHE. ML:1.4 0.00020400000000000003 0.58 AML other m 2021-09-10T09:12:16.59
IV.SSFR.HHE. ML:1.8 0.0003615 0.16 AML other m 2021-09-10T09:12:17.45
IV.ATCC.EHN. ML:1.7 0.000257 0.64 AML other m 2021-09-10T09:12:17.23
IV.ATCC.EHE. ML:1.8 0.0003185 1.1 AML other m 2021-09-10T09:12:17.05
IV.MPAG.EHN. ML:1.0 0.00004625 0.32 AML other m 2021-09-10T09:12:18.68
IV.MPAG.EHE. ML:1.0 0.0000432 0.7 AML other m 2021-09-10T09:12:18.33
IV.PARC.HHN. ML:1.4 0.0001215 0.54 AML other m 2021-09-10T09:12:18.74
IV.PARC.HHE. ML:1.2 0.00007314999999999999 0.52 AML other m 2021-09-10T09:12:19.32
IV.ARVD.HHN. ML:1.3 0.0000726 0.82 AML other m 2021-09-10T09:12:19.44
IV.ARVD.HHE. ML:1.2 0.0000533 0.48 AML other m 2021-09-10T09:12:20.29
IV.CAFI.HHN. ML:1.1 0.0000436 1.02 AML other m 2021-09-10T09:12:20.40
IV.CAFI.HHE. ML:1.1 0.0000426 0.12 AML other m 2021-09-10T09:12:20.43
IV.ASSB.HHN. ML:1.3 0.00006264999999999999 0.96 AML other m 2021-09-10T09:12:22.37
IV.CRE.HHE. ML:1.0 0.000031899999999999996 0.38 AML other m 2021-09-10T09:12:22.74
IV.CRE.HHN. ML:1.4 0.00006379999999999999 0.22 AML other m 2021-09-10T09:12:22.84
IV.EL6.EHE. ML:1.5 0.00007525000000000001 0.16 AML other m 2021-09-10T09:12:23.73
IV.ASSB.HHE. ML:1.2 0.00004945 0.5 AML other m 2021-09-10T09:12:24.14
IV.MML1.EHE. ML:1.2 0.0000421 0.12 AML other m 2021-09-10T09:12:24.21
IV.EL6.EHN. ML:1.6 0.00009779999999999999 0.64 AML other m 2021-09-10T09:12:24.92
IV.MML1.EHN. ML:1.3 0.0000477 1.44 AML other m 2021-09-10T09:12:24.08
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