Earthquake with magnitude of ML 0.1 on date 21-08-2022 and time 19:21:13 (Italy) in region 4 km NW Pietralunga (PG)

A magnitude ML 0.1 earthquake occured in region: 4 km NW Pietralunga (PG), on

  • 21-08-2022 17:21:13 (UTC)
  • 21-08-2022 19:21:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4760, 12.4180 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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
Apecchio PU 9 1882 3993
Montone PG 14 1680 5673
CittĂ  di Castello PG 15 39913 45586
Piobbico PU 15 2029 47615
Cantiano PU 17 2245 49860
Gubbio PG 19 32216 82076
Umbertide PG 20 16681 98757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
43 Km E of Arezzo (99543 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
89 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
99 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
Reviewed
Rev100
ML 0.1 2022-08-21
17:21:13
43.4758 12.4178 9 2022-08-21
17:31:19
Sala Sismica INGV-Roma 108800561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-21 17:21:13 ± 0.23
Latitude 43.4758 ± 0.0054
Longitude 12.4178 ± 0.0087
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108800561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 709
Semi-minor axis of confidence ellipse (meter) 242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 108800561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-21 17:31:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2022-08-21T17:22:57.39 3.0 undecidable manual Sn -8.62 0
CH.BERNI.HHZ. 2022-08-21T17:22:57.90 3.0 undecidable manual Sg 1.95 0
GU.CANO.HHZ. 2022-08-21T17:22:50.87 3.0 undecidable manual Sg 5.83 0
IV.MCEL.HHZ. 2022-08-21T17:22:48.41 3.0 undecidable manual Sn -5.07 0
IV.ECTS.HHZ. 2022-08-21T17:22:41.08 3.0 undecidable manual Pg 7.12 0
IV.ZEN8.EHZ. 2022-08-21T17:22:31.96 3.0 undecidable manual Sg -1.58 0
IV.CTI.HHZ. 2022-08-21T17:22:29.90 3.0 undecidable manual Sn -7.59 0
IV.CAR1.HNZ. 2022-08-21T17:22:28.44 3.0 undecidable manual Pg 5.96 0
GU.CANO.HHZ. 2022-08-21T17:22:09.79 3.0 undecidable manual Pg 6.38 0
OX.CIMO.HHZ. 2022-08-21T17:22:08.98 3.0 undecidable manual Pg 7.16 0
GU.GBOS.HHZ. 2022-08-21T17:22:08.95 3.0 negative manual Pg 1.66 0
IV.LPEL.HHZ. 2022-08-21T17:22:01.85 3.0 undecidable manual Sg -0.56 0
CH.MUGIO.HHZ. 2022-08-21T17:21:59.90 3.0 positive manual Pn -9.74 0
IV.POFI.HHZ. 2022-08-21T17:21:52.88 3.0 undecidable manual Sn -9.99 0
IV.PP3.EHZ. 2022-08-21T17:21:39.39 0.1 undecidable manual Sg -1.44 3.16
IV.NARO.HHZ. 2022-08-21T17:21:20.65 0.3 undecidable manual S 41 19.869 114 -0.27 69
IV.BADI.EHZ. 2022-08-21T17:21:19.29 0.3 undecidable manual S 285 14.4744 122 0.04 73
IV.TSM2.DHE.01 2022-08-21T17:21:18.06 0.6 undecidable manual S 147 10.5783 130 -0.09 49
IV.ATBU.EHZ. 2022-08-21T17:21:18.58 0.6 undecidable manual S 90 10.4784 130 0.44 45
IV.TB01.DHN.01 2022-08-21T17:21:18.21 0.3 undecidable manual S 172 10.5783 130 0.07 73
IV.ATVO.HHZ. 2022-08-21T17:21:18.26 0.6 undecidable manual S 185 10.3785 131 0.15 48
IV.TB03.DHZ.01 2022-08-21T17:21:17.51 0.3 undecidable manual S 184 8.2806 137 -0.06 73
IV.NARO.HHZ. 2022-08-21T17:21:17.61 0.1 undecidable manual P 41 19.869 114 -0.11 95
IV.TB01.DHN.01 2022-08-21T17:21:16.21 0.1 undecidable manual P 172 10.5783 130 0.09 97
IV.ATVO.HHZ. 2022-08-21T17:21:16.28 0.3 positive manual P 185 10.3785 131 0.18 71
IV.ATPC.HHZ. 2022-08-21T17:21:16.69 0.6 undecidable manual S 80 3.1968 160 0.05 50
IV.ATBU.EHZ. 2022-08-21T17:21:16.48 0.1 undecidable manual P 90 10.4784 130 0.37 92
IV.BADI.EHZ. 2022-08-21T17:21:16.95 1.0 undecidable manual P 285 14.4744 122 0.19 24
IV.ATPI.EHZ. 2022-08-21T17:21:16.32 0.3 undecidable manual S 204 3.0969 161 -0.3 70
IV.ATPI.EHZ. 2022-08-21T17:21:15.24 0.1 undecidable manual P 204 3.0969 161 0 100
IV.TSM2.DHE.01 2022-08-21T17:21:15.22 0.1 undecidable manual P 147 10.5783 130 -0.9 75
IV.ATPC.HHZ. 2022-08-21T17:21:15.46 0.1 undecidable manual P 80 3.1968 160 0.21 96
IV.TB03.DHZ.01 2022-08-21T17:21:15.89 0.1 undecidable manual P 184 8.2806 137 0.1 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.2 0.00001967 0.32 AML other m 2022-08-21T17:21:18.31
IV.ATVO.HHN. ML:0.1 0.00001635 0.44 AML other m 2022-08-21T17:21:18.65
IV.BADI.EHE. ML:0.0 0.000011199515999999999 0.1408 AML other m 2022-08-21T17:21:19.76
IV.BADI.EHN. ML:0.0 0.000007653064999999999 0.0896 AML other m 2022-08-21T17:21:20.27
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