Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-11-2021 and time 21:13:18 (UTC) in region 6 km W Pietralunga (PG)

A magnitude ML 1.5 earthquake occured in region: 6 km W Pietralunga (PG), on

  • 10-11-2021 21:13:18 (UTC)
  • 10-11-2021 22:13:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4590, 12.3690 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 6 2111 2111
Città di Castello PG 11 39913 42024
Montone PG 11 1680 43704
Apecchio PU 12 1882 45586
Monte Santa Maria Tiberina PG 17 1183 46769
Umbertide PG 17 16681 63450
San Giustino PG 18 11297 74747
Piobbico PU 19 2029 76776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
39 Km E of Arezzo (99543 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
68 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
85 Km E of Siena (53903 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
94 Km W of Ancona (100861 inhabitants)
96 Km E of Firenze (382808 inhabitants)
100 Km SE of Faenza (58541 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 2021-11-10
21:13:18		 43.4592 12.3693 8 2022-03-30
13:04:17		 Bollettino Sismico Italiano INGV 97690301
Reviewed
Rev100 		ML 1.5 2021-11-10
21:13:18		 43.4612 12.3737 9 2021-11-10
21:18:39		 Sala Sismica INGV-Roma 97385881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-10 21:13:18 ± 0.04
Latitude 43.4592 ± 0.0018
Longitude 12.3693 ± 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 97690301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 200
Semi-minor axis of confidence ellipse (meter) 113
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.57736
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:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 97385881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-10 21:18:39

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 97690301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-22 15:27:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-11-10T21:13:35.48 0.6 undecidable manual S 153 51.8037 50 0.2 45
IV.CRTC.HHZ. 2021-11-10T21:13:35.89 0.6 undecidable manual S 50 53.7018 50 0.11 45
IV.CRE.HHZ. 2021-11-10T21:13:31.61 0.3 undecidable manual S 298 37.9287 50 0.02 71
IV.ATCC.EHZ. 2021-11-10T21:13:31.71 0.3 undecidable manual S 144 37.4292 50 0.27 68
IV.CAFI.HHZ. 2021-11-10T21:13:30.63 0.3 undecidable manual S 246 35.5422 50 -0.31 67
IV.MGAB.HHZ. 2021-11-10T21:13:29.88 0.6 undecidable manual P 199 64.0914 50 -0.16 44
IV.FRON.EHZ. 2021-11-10T21:13:28.75 0.3 undecidable manual S 77 29.4483 106 -0.27 68
IV.CRTC.HHZ. 2021-11-10T21:13:28.63 0.6 undecidable manual P 50 53.7018 50 0.2 44
IV.PE3.EHZ. 2021-11-10T21:13:28.74 0.3 undecidable manual S 21 28.1496 107 0.13 71
IV.ASSB.HHZ. 2021-11-10T21:13:27.96 0.1 undecidable manual P 153 51.8037 50 -0.19 89
IV.ATSC.EHZ. 2021-11-10T21:13:27.85 0.3 undecidable manual S 99 25.8519 108 0.02 73
IV.MURB.HHZ. 2021-11-10T21:13:27.73 0.3 undecidable manual S 150 25.0527 109 0.14 71
IV.ATVA.EHZ. 2021-11-10T21:13:26.34 0.3 undecidable manual S 199 21.1677 112 0.04 73
IV.NARO.HHZ. 2021-11-10T21:13:26.95 0.3 undecidable manual S 45 23.9538 109 -0.25 69
IV.SSP9.EHZ. 2021-11-10T21:13:26.87 0.6 undecidable manual S 304 22.9548 110 -0.04 48
IV.ATFO.HHZ. 2021-11-10T21:13:25.76 0.6 undecidable manual S 122 19.2696 114 0.06 49
IV.CAFI.HHZ. 2021-11-10T21:13:25.45 0.1 undecidable manual P 246 35.5422 50 -0.19 92
IV.CRE.HHZ. 2021-11-10T21:13:25.76 0.3 undecidable manual P 298 37.9287 50 -0.26 68
IV.MPAG.EHZ. 2021-11-10T21:13:25.79 0.6 undecidable manual P 59 36.6411 50 -0.02 47
IV.ATCC.EHZ. 2021-11-10T21:13:25.74 0.3 undecidable manual P 144 37.4292 50 -0.19 69
IV.SSFR.HHZ. 2021-11-10T21:13:24.98 0.6 positive manual P 94 33.3444 104 -0.32 45
IV.ATLO.EHZ. 2021-11-10T21:13:24.72 0.3 undecidable manual S 169 16.2726 117 -0.04 74
IV.ATBU.EHZ. 2021-11-10T21:13:24.61 0.3 undecidable manual S 83 14.4744 120 0.38 69
IV.ATMI.HHZ. 2021-11-10T21:13:24.97 0.3 undecidable manual S 211 16.0728 118 0.26 70
IV.FRON.EHZ. 2021-11-10T21:13:24.14 0.3 undecidable manual P 77 29.4483 106 -0.39 67
IV.ATMC.EHZ. 2021-11-10T21:13:24.13 0.3 undecidable manual S 265 14.2746 120 -0.03 74
IV.PE3.EHZ. 2021-11-10T21:13:24.64 0.1 undecidable manual P 21 28.1496 107 0.34 90
IV.ATVA.EHZ. 2021-11-10T21:13:23.00 0.3 undecidable manual P 199 21.1677 112 0.04 73
IV.NARO.HHZ. 2021-11-10T21:13:23.25 0.3 undecidable manual P 45 23.9538 109 -0.23 70
IV.BADI.EHZ. 2021-11-10T21:13:23.51 0.3 undecidable manual S 299 11.4774 126 0.15 72
IV.SSP9.EHZ. 2021-11-10T21:13:23.27 0.1 undecidable manual P 304 22.9548 110 -0.04 97
IV.MURB.HHZ. 2021-11-10T21:13:23.83 0.3 undecidable manual P 150 25.0527 109 0.12 71
IV.TB02.DHZ.01 2021-11-10T21:13:23.21 0.3 undecidable manual S 162 10.3785 129 0.18 72
IV.ATSC.EHZ. 2021-11-10T21:13:23.97 0.1 undecidable manual P 99 25.8519 108 0.12 95
IV.APEC.HHZ. 2021-11-10T21:13:23.59 0.3 undecidable manual S 20 11.7771 126 0.17 72
IV.ATPC.HNZ. 2021-11-10T21:13:22.34 0.1 undecidable manual S 71 7.4814 138 0.04 100
IV.TB01.DHZ.01 2021-11-10T21:13:22.99 0.3 undecidable manual S 148 10.0788 130 0.02 75
IV.ATFO.HHZ. 2021-11-10T21:13:22.48 0.1 undecidable manual P 122 19.2696 114 -0.14 96
IV.ATVO.HHZ. 2021-11-10T21:13:22.65 0.3 undecidable manual S 161 9.0798 133 -0.05 74
IV.ATLO.EHZ. 2021-11-10T21:13:22.16 0.1 undecidable manual P 169 16.2726 117 0.08 97
IV.ATBU.EHZ. 2021-11-10T21:13:22.01 0.1 undecidable manual P 83 14.4744 120 0.24 94
IV.ATMI.HHZ. 2021-11-10T21:13:22.20 0.3 undecidable manual P 211 16.0728 118 0.16 72
IV.TB03.DHZ.01 2021-11-10T21:13:22.02 0.1 undecidable manual S 153 7.1928 139 -0.23 96
IV.TB02.DHZ.01 2021-11-10T21:13:21.23 0.1 undecidable manual P 162 10.3785 129 0.15 97
IV.ATMC.EHZ. 2021-11-10T21:13:21.79 0.3 undecidable manual P 265 14.2746 120 0.06 73
IV.ATVO.HHZ. 2021-11-10T21:13:21.01 0.1 negative manual P 161 9.0798 133 0.13 97
IV.APEC.HHZ. 2021-11-10T21:13:21.46 0.1 positive manual P 20 11.7771 126 0.16 96
IV.TB01.DHZ.01 2021-11-10T21:13:21.08 0.1 undecidable manual P 148 10.0788 130 0.04 99
IV.BADI.EHZ. 2021-11-10T21:13:21.44 0.1 undecidable manual P 299 11.4774 126 0.17 96
IV.TB03.DHZ.01 2021-11-10T21:13:20.64 0.1 undecidable manual P 153 7.1928 139 0.01 100
IV.ATPI.EHZ. 2021-11-10T21:13:20.70 0.1 undecidable manual S 109 2.7972 162 -0.78 81
IV.ATPC.HNZ. 2021-11-10T21:13:20.75 0.1 undecidable manual P 71 7.4814 138 0.09 98
IV.ATPI.EHZ. 2021-11-10T21:13:19.93 0.1 undecidable manual P 109 2.7972 162 -0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.6 0.0005880000000000001 0.12 AML other m 2021-11-10T21:13:23.27
IV.ATVO.HNN. ML:1.5 0.00054 0.12 AML other m 2021-11-10T21:13:23.27
IV.ATVO.HNE. ML:1.7 0.000704 1.08 AML other m 2021-11-10T21:13:23.91
IV.ATVO.HHE. ML:1.7 0.0007095000000000001 0.16 AML other m 2021-11-10T21:13:23.83
IV.APEC.HHE. ML:1.7 0.000621 1.52 AML other m 2021-11-10T21:13:23.88
IV.BADI.EHN. ML:1.7 0.0006 0.26 AML other m 2021-11-10T21:13:24.15
IV.BADI.EHE. ML:1.6 0.0005204999999999999 0.5 AML other m 2021-11-10T21:13:24.21
IV.ATMI.HHE. ML:1.4 0.00023349999999999998 0.38 AML other m 2021-11-10T21:13:25.34
IV.APEC.HHN. ML:1.5 0.00043149999999999997 1.4 AML other m 2021-11-10T21:13:26.14
IV.ATMI.HHN. ML:1.3 0.0001995 0.68 AML other m 2021-11-10T21:13:27.45
IV.NARO.HHE. ML:1.2 0.00011099999999999999 0.08 AML other m 2021-11-10T21:13:28.21
IV.MURB.HHE. ML:1.8 0.0003805 1.18 AML other m 2021-11-10T21:13:28.86
IV.MURB.HNE. ML:1.8 0.0003465 1.18 AML other m 2021-11-10T21:13:28.87
IV.MURB.HNN. ML:1.8 0.00040149999999999995 1.78 AML other m 2021-11-10T21:13:28.08
IV.MURB.HHN. ML:1.8 0.000374 1.78 AML other m 2021-11-10T21:13:28.08
IV.NARO.HHN. ML:1.2 0.00009905 1.26 AML other m 2021-11-10T21:13:29.30
IV.PE3.EHN. ML:1.5 0.000153 1.32 AML other m 2021-11-10T21:13:30.73
IV.SSFR.HHE. ML:1.4 0.00011549999999999999 0.18 AML other m 2021-11-10T21:13:31.42
IV.PE3.EHE. ML:1.4 0.0001485 0.42 AML other m 2021-11-10T21:13:31.93
IV.SSFR.HHN. ML:1.3 0.0000857 0.98 AML other m 2021-11-10T21:13:32.80
IV.MPAG.EHE. ML:1.1 0.0000445 0.48 AML other m 2021-11-10T21:13:32.73
IV.MPAG.EHN. ML:1.2 0.00005355 0.42 AML other m 2021-11-10T21:13:34.56
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