Earthquake with magnitude of ML 0.5 on date 09-11-2023 and time 09:11:23 (UTC) in region 8 km NE Pietralunga (PG)

A magnitude ML 0.5 earthquake occured in region: 8 km NE Pietralunga (PG), on

  • 09-11-2023 09:11:23 (UTC)
  • 09-11-2023 10:11:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4930, 12.5050 at 10 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 8 2111 2111
Apecchio PU 10 1882 3993
Cantiano PU 10 2245 6238
Piobbico PU 11 2029 8267
Cagli PU 13 8731 16998
Scheggia e Pascelupo PG 17 1393 18391
Gubbio PG 17 32216 50607
Frontone PU 19 1300 51907
Acqualagna PU 19 4393 56300
Urbania PU 20 7099 63399

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Perugia (166134 inhabitants)
50 Km E of Arezzo (99543 inhabitants)
57 Km SW of Pesaro (94582 inhabitants)
57 Km SW of Fano (60888 inhabitants)
62 Km N of Foligno (57155 inhabitants)
63 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
83 Km W of Ancona (100861 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
97 Km E of Siena (53903 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 0.5 2023-11-09
09:11:23
43.4933 12.5048 11 2023-11-09
09:27:11
Sala Sismica INGV-Roma 122945641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-09 09:11:23 ± 0.07
Latitude 43.4933 ± 0.0018
Longitude 12.5048 ± 0.0025
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122945641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 199
Semi-minor axis of confidence ellipse (meter) 41
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 147
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) 110
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18976
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 122945641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-09 09:27:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7C.SPAOL.HNZ. 2023-11-09T09:13:13.10 3.0 undecidable manual Pg 18.77 0
IV.MRLC.HHZ. 2023-11-09T09:13:09.82 3.0 undecidable manual Sn 4.3 0
OT.OT05.EHZ. 2023-11-09T09:12:50.70 3.0 undecidable manual Sn 0.11 0
IV.SPS2.HHZ. 2023-11-09T09:12:49.82 3.0 positive manual Pg 11.09 0
GU.CANO.HHZ. 2023-11-09T09:12:40.69 3.0 undecidable manual Sg 8.26 0
OX.CLUD.HHZ. 2023-11-09T09:12:35.33 3.0 undecidable manual Sg 7.65 0
SL.LJU.BHZ. 2023-11-09T09:12:32.47 3.0 undecidable manual Sn 0.73 0
IV.GIUL.HHZ. 2023-11-09T09:12:28.13 3.0 undecidable manual Sn 0.1 0
IV.MCRV.HHZ. 2023-11-09T09:12:19.99 3.0 undecidable manual Pn 5.13 0
CR.STON.BHZ. 2023-11-09T09:12:19.80 3.0 positive manual Pn 0.42 0
IV.ZEN8.EHZ. 2023-11-09T09:12:10.97 3.0 undecidable manual Sn -0.9 0
IV.VARE.HHZ. 2023-11-09T09:12:08.95 3.0 negative manual Pg 7 0
IV.PLMA.HHZ. 2023-11-09T09:12:04.01 3.0 undecidable manual Sn 0.2 0
IV.BDI.HHZ. 2023-11-09T09:11:52.42 3.0 undecidable manual S 1.64 0
IV.PARC.HHZ. 2023-11-09T09:11:33.75 3.0 undecidable manual P 0
IV.BADI.EHN. 2023-11-09T09:11:31.91 0.3 undecidable manual S 275 21.0678 117 -0.06 73
IV.TSM1.DHE.01 2023-11-09T09:11:31.03 0.3 undecidable manual S 155 18.0708 120 -0.03 74
IV.ATSC.EHE. 2023-11-09T09:11:30.59 0.3 undecidable manual S 118 16.5723 122 -0.02 74
IV.NARO.HHZ. 2023-11-09T09:11:29.92 0.1 undecidable manual S 25 14.3745 126 -0.07 98
IV.BADI.EHN. 2023-11-09T09:11:28.47 0.1 undecidable manual P 275 21.0678 117 -0.05 98
IV.FRON.EHZ. 2023-11-09T09:11:28.02 0.1 undecidable manual P 81 17.9709 120 0.04 98
IV.ATPI.EHZ. 2023-11-09T09:11:28.54 0.3 undecidable manual S 240 9.4794 138 -0.19 73
IV.TSM2.DH1.01 2023-11-09T09:11:28.96 0.3 undecidable manual S 186 10.878 134 -0.09 74
IV.ATSC.EHE. 2023-11-09T09:11:27.74 0.3 undecidable manual P 118 16.5723 122 0 74
IV.NARO.HHZ. 2023-11-09T09:11:27.34 0.1 undecidable manual P 25 14.3745 126 -0.04 99
IV.PIEI.HHZ. 2023-11-09T09:11:27.82 0.1 undecidable manual S 27 5.2947 153 -0.07 100
IV.ATPC.HNN. 2023-11-09T09:11:27.92 0.3 undecidable manual S 250 4.0959 159 0.2 73
IV.TSM1.DHE.01 2023-11-09T09:11:27.96 0.1 undecidable manual P 155 18.0708 120 -0.03 98
IV.PIEI.HHZ. 2023-11-09T09:11:26.26 0.1 undecidable manual P 27 5.2947 153 0.09 99
IV.ATPC.HNN. 2023-11-09T09:11:26.26 0.1 undecidable manual P 250 4.0959 159 0.19 98
IV.ATPI.EHZ. 2023-11-09T09:11:26.76 0.3 undecidable manual P 240 9.4794 138 0.11 74
IV.TSM2.DH1.01 2023-11-09T09:11:26.85 0.1 undecidable manual P 186 10.878 134 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.3 0.00003158271 0.1152 AML other m 2023-11-09T09:11:27.92
IV.PIEI.HHE. ML:0.7 0.00008094999999999999 0.12 AML other m 2023-11-09T09:11:28.10
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