Earthquake with magnitude of ML 0.2 on date 20-07-2023 and time 18:49:45 (Italy) in region 2 km NW Pietralunga (PG)

A magnitude ML 0.2 earthquake occured in region: 2 km NW Pietralunga (PG), on

  • 20-07-2023 16:49:45 (UTC)
  • 20-07-2023 18:49:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4570, 12.4280 at 6 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 2 2111 2111
Apecchio PU 11 1882 3993
Montone PG 13 1680 5673
CittĂ  di Castello PG 15 39913 45586
Piobbico PU 16 2029 47615
Cantiano PU 16 2245 49860
Gubbio PG 17 32216 82076
Umbertide PG 19 16681 98757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
60 Km NW of Foligno (57155 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
68 Km S of Rimini (147750 inhabitants)
77 Km S of Cesena (96758 inhabitants)
90 Km E of Siena (53903 inhabitants)
90 Km W of Ancona (100861 inhabitants)
91 Km SE of Forlì (117913 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 0.2 2023-07-20
16:49:45
43.4573 12.4277 6 2023-07-20
16:57:13
Sala Sismica INGV-Roma 119424011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-20 16:49:45 ± 0.1
Latitude 43.4573 ± 0.0018
Longitude 12.4277 ± 0.0037
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119424011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 279
Semi-minor axis of confidence ellipse (meter) 48
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 104
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.11062
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 119424011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-20 16:57:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RINC.EHZ. 2023-07-20T16:50:13.99 3.0 undecidable manual S 2.58 0
IV.IMOL.HNZ. 2023-07-20T16:50:05.26 3.0 positive manual P -0.25 0
IV.RINC.EHN. 2023-07-20T16:50:01.68 3.0 undecidable manual P 1.72 0
IV.SENI.HNZ. 2023-07-20T16:49:58.42 3.0 negative manual P -0.12 0
IV.SFI.EHZ. 2023-07-20T16:49:57.94 3.0 undecidable manual P 0.16 0
IV.PIEI.HHZ. 2023-07-20T16:49:50.70 0.3 undecidable manual S 45 12.2766 115 0.24 71
IV.TB02.DHZ. 2023-07-20T16:49:49.96 0.6 undecidable manual S 189 9.7791 121 0.26 47
IV.TSM6.DHZ. 2023-07-20T16:49:49.10 0.6 undecidable manual S 282 7.7811 126 -0.04 50
IV.TB01.DHZ.18 2023-07-20T16:49:49.22 0.3 undecidable manual S 176 8.3805 124 -0.09 73
IV.ATVO.HHZ. 2023-07-20T16:49:49.54 0.3 undecidable manual S 192 8.4804 124 0.2 72
IV.TSM2.DHZ.15 2023-07-20T16:49:49.17 0.3 undecidable manual S 143 8.3805 124 -0.14 73
IV.TB02.DHZ. 2023-07-20T16:49:48.10 0.1 undecidable manual P 189 9.7791 121 0.06 98
IV.PIEI.HHZ. 2023-07-20T16:49:48.41 0.6 negative manual P 45 12.2766 115 -0.07 49
IV.ATPC.HHZ. 2023-07-20T16:49:48.11 0.6 undecidable manual S 42 3.4965 149 0 50
IV.TB01.DHZ.18 2023-07-20T16:49:47.79 0.1 undecidable manual P 176 8.3805 124 -0.02 99
IV.ATVO.HHZ. 2023-07-20T16:49:47.92 1.0 undecidable manual P 192 8.4804 124 0.09 24
IV.TSM2.DHZ.15 2023-07-20T16:49:47.68 0.1 undecidable manual P 143 8.3805 124 -0.13 97
IV.TSM6.DHZ. 2023-07-20T16:49:47.66 0.1 undecidable manual P 282 7.7811 126 -0.05 99
IV.ATPI.EHN. 2023-07-20T16:49:47.85 0.6 undecidable manual S 250 2.1978 159 -0.05 50
IV.TB03.DHZ.05 2023-07-20T16:49:47.48 0.1 undecidable manual P 193 6.3936 132 -0.01 100
IV.ATPC.HHZ. 2023-07-20T16:49:47.07 0.1 undecidable manual P 42 3.4965 149 -0.05 100
IV.ATPI.EHN. 2023-07-20T16:49:46.98 0.3 undecidable manual P 250 2.1978 159 -0.02 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.4 0.000048100000000000004 0.2 AML other m 2023-07-20T16:49:49.73
IV.ATVO.HHN. ML:0.2 0.0000303 0.14 AML other m 2023-07-20T16:49:49.62
IV.PIEI.HHN. ML:0.0 0.0000154 0.38 AML other m 2023-07-20T16:49:51.21
IV.PIEI.HHE. ML:0.2 0.0000196 0.34 AML other m 2023-07-20T16:49:51.27
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