Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 16-04-2022 and time 17:33:09 (UTC) in region 5 km W Pietralunga (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km W Pietralunga (PG), on

  • 16-04-2022 17:33:09 (UTC)
  • 16-04-2022 19:33:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4540, 12.3770 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
Pietralunga PG 5 2111 2111
Montone PG 11 1680 3791
Città di Castello PG 11 39913 43704
Apecchio PU 12 1882 45586
Umbertide PG 17 16681 62267
Monte Santa Maria Tiberina PG 17 1183 63450
Piobbico PU 19 2029 65479
San Giustino PG 19 11297 76776
Gubbio PG 20 32216 108992

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
40 Km E of Arezzo (99543 inhabitants)
61 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)
77 Km S of Cesena (96758 inhabitants)
86 Km E of Siena (53903 inhabitants)
90 Km SE of Forlì (117913 inhabitants)
94 Km W of Ancona (100861 inhabitants)
97 Km E of Firenze (382808 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 0.8 2022-04-16
17:33:09		 43.454 12.3773 10 2022-07-08
12:33:55		 Bollettino Sismico Italiano INGV 104441611
Reviewed
Rev100 		ML 0.8 2022-04-16
17:33:09		 43.4553 12.3862 7 2022-04-16
17:36:42		 Sala Sismica INGV-Roma 103296021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-16 17:33:09 ± 0.06
Latitude 43.4540 ± 0.0027
Longitude 12.3773 ± 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 104441611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 295
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.34984
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 104441611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-10 11:19:06

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 103296021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-16 17:36:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2022-04-16T17:33:19.18 0.3 undecidable manual S 76 28.9488 50 -0.44 66
IV.PARC.HHE. 2022-04-16T17:33:18.31 0.6 undecidable manual S 333 24.2535 111 0.18 47
IV.NARO.HHZ. 2022-04-16T17:33:17.60 0.3 undecidable manual S 43 23.8539 112 -0.39 67
IV.CRE.HHZ. 2022-04-16T17:33:16.40 0.1 undecidable manual P 298 38.8278 50 -0.29 89
IV.ATLO.EHE. 2022-04-16T17:33:15.30 0.6 undecidable manual S 171 15.5733 121 -0.11 48
IV.ATMC.EHE. 2022-04-16T17:33:15.09 0.6 undecidable manual S 267 14.874 122 -0.11 48
IV.ATMI.HHZ. 2022-04-16T17:33:15.78 0.3 undecidable manual S 214 15.9729 121 0.26 70
IV.ATBU.EHZ. 2022-04-16T17:33:15.21 0.6 undecidable manual S 80 13.9749 124 0.28 47
IV.FRON.EHZ. 2022-04-16T17:33:15.58 0.1 undecidable manual P 76 28.9488 50 0.41 89
IV.PIEI.HHZ. 2022-04-16T17:33:15.60 0.3 undecidable manual S 54 15.5733 121 0.19 71
IV.PARC.HHE. 2022-04-16T17:33:14.29 0.1 undecidable manual P 333 24.2535 111 -0.02 97
IV.BADI.EHZ. 2022-04-16T17:33:14.66 0.3 undecidable manual S 300 12.3765 127 0.17 72
IV.APEC.HNN. 2022-04-16T17:33:14.50 0.6 undecidable manual S 16 12.0768 128 0.09 49
IV.TB01.DHZ. 2022-04-16T17:33:13.49 0.6 undecidable manual S 150 9.2796 135 -0.2 48
IV.ATPC.HHE. 2022-04-16T17:33:13.16 0.6 undecidable manual S 65 7.0929 143 -0.02 50
IV.TB02.DHZ. 2022-04-16T17:33:13.79 0.6 undecidable manual S 164 9.5793 135 0.03 50
IV.ATVO.HHZ. 2022-04-16T17:33:13.38 0.1 undecidable manual S 164 8.2806 139 -0.07 99
IV.ATVA.EHE. 2022-04-16T17:33:13.89 0.1 undecidable manual P 201 20.868 114 0.23 94
IV.NARO.HHZ. 2022-04-16T17:33:13.98 0.3 undecidable manual P 43 23.8539 112 -0.25 69
IV.TSM3.DHE. 2022-04-16T17:33:13.22 0.6 undecidable manual S 193 8.0808 140 -0.18 48
IV.ATBU.EHZ. 2022-04-16T17:33:12.75 0.1 undecidable manual P 80 13.9749 124 0.29 93
IV.BADI.EHZ. 2022-04-16T17:33:12.41 0.1 undecidable manual P 300 12.3765 127 0.21 95
IV.APEC.HNN. 2022-04-16T17:33:12.35 0.1 undecidable manual P 16 12.0768 128 0.19 96
IV.PIEI.HHZ. 2022-04-16T17:33:12.79 0.3 undecidable manual P 54 15.5733 121 0.05 73
IV.ATLO.EHE. 2022-04-16T17:33:12.75 0.1 undecidable manual P 171 15.5733 121 0.01 99
IV.ATMC.EHE. 2022-04-16T17:33:12.18 0.1 undecidable manual P 267 14.874 122 -0.44 90
IV.ATMI.HHZ. 2022-04-16T17:33:12.83 0.3 undecidable manual P 214 15.9729 121 0.03 74
IV.TB03.DHZ. 2022-04-16T17:33:12.97 0.6 undecidable manual S 156 6.3936 146 -0.08 49
IV.ATPI.EHZ. 2022-04-16T17:33:11.98 0.3 undecidable manual S 100 1.998 168 -0.46 69
IV.TB03.DHZ. 2022-04-16T17:33:11.39 0.1 undecidable manual P 156 6.3936 146 0.02 100
IV.TSM3.DHE. 2022-04-16T17:33:11.55 0.1 undecidable manual P 193 8.0808 140 -0.02 100
IV.TB01.DHZ. 2022-04-16T17:33:11.61 0.1 undecidable manual P 150 9.2796 135 -0.13 97
IV.ATPC.HHE. 2022-04-16T17:33:11.51 0.1 undecidable manual P 65 7.0929 143 0.06 99
IV.TB02.DHZ. 2022-04-16T17:33:11.92 0.1 undecidable manual P 164 9.5793 135 0.14 97
IV.ATVO.HHZ. 2022-04-16T17:33:11.79 0.1 undecidable manual P 164 8.2806 139 0.18 96
IV.ATPI.EHZ. 2022-04-16T17:33:10.91 0.1 undecidable manual P 100 1.998 168 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHN. ML:1.0 0.00013000000000000002 0.4 AML other m 2022-04-16T17:33:13.66
IV.ATVO.HHE. ML:1.1 0.000188 0.14 AML other m 2022-04-16T17:33:13.57
IV.BADI.EHN. ML:0.8 0.00007694999999999999 1.68 AML other m 2022-04-16T17:33:14.00
IV.BADI.EHE. ML:1.0 0.0001002 0.14 AML other m 2022-04-16T17:33:14.99
IV.PIEI.HHN. ML:0.5 0.0000295 1.24 AML other m 2022-04-16T17:33:16.03
IV.PIEI.HHE. ML:0.6 0.000042050000000000006 1.62 AML other m 2022-04-16T17:33:16.04
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