Earthquake with magnitude of ML 0.5 on date 08-07-2023 and time 11:54:34 (Italy) in region 1 km NW Pietralunga (PG)

A magnitude ML 0.5 earthquake occured in region: 1 km NW Pietralunga (PG), on

  • 08-07-2023 09:54:34 (UTC)
  • 08-07-2023 11:54:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4490, 12.4350 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 1 2111 2111
Apecchio PU 12 1882 3993
Montone PG 13 1680 5673
Gubbio PG 16 32216 37889
Cantiano PU 16 2245 40134
CittĂ  di Castello PG 16 39913 80047
Piobbico PU 17 2029 82076
Umbertide PG 18 16681 98757
Scheggia e Pascelupo PG 20 1393 100150

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
59 Km NW of Foligno (57155 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
64 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
78 Km S of Cesena (96758 inhabitants)
89 Km W of Ancona (100861 inhabitants)
90 Km E of Siena (53903 inhabitants)
92 Km SE of Forlì (117913 inhabitants)
100 Km N of Terni (111501 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 2023-07-08
09:54:34
43.449 12.4352 9 2023-07-08
10:00:55
Sala Sismica INGV-Roma 119072841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-08 09:54:34 ± 0.17
Latitude 43.4490 ± 0.0036
Longitude 12.4352 ± 0.0050
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 119072841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 63
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19695
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 119072841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-08 10:00:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.COL3.HHZ.02 2023-07-08T09:56:23.34 3.0 undecidable manual Sg 6.07 0
GU.MGRO.HHZ. 2023-07-08T09:56:04.02 3.0 undecidable manual Sn -0.97 0
GU.CANO.HHZ. 2023-07-08T09:56:02.83 3.0 undecidable manual Sg 4.64 0
IV.SELL.HHZ. 2023-07-08T09:55:52.26 3.0 undecidable manual Pn -6.38 0
MN.TRI.HHZ. 2023-07-08T09:55:50.91 3.0 undecidable manual Sg 4.74 0
GU.CANO.HHZ. 2023-07-08T09:55:29.12 3.0 undecidable manual Pg 8.17 0
IV.PSB1.HHZ. 2023-07-08T09:55:21.44 3.0 positive manual Pn -1.11 0
IV.BAG8.EHZ. 2023-07-08T09:55:21.42 3.0 negative manual Pg 5.27 0
IV.PTRJ.HHZ. 2023-07-08T09:55:17.64 3.0 undecidable manual Pn -1.59 0
IV.RNI2.HHZ. 2023-07-08T09:55:10.39 3.0 undecidable manual Pn -2.78 0
IV.MF5.EHZ. 2023-07-08T09:55:04.88 3.0 undecidable manual S -8.38 0
IV.FNVD.HHZ. 2023-07-08T09:54:50.52 3.0 undecidable manual P -3.01 0
IV.IMOL.HNZ. 2023-07-08T09:54:47.40 3.0 negative manual P -3.99 0
IV.MURB.HHZ. 2023-07-08T09:54:42.66 0.6 undecidable manual S 161 21.867 112 0.26 46
IV.ATMC.EHZ. 2023-07-08T09:54:42.13 0.3 undecidable manual S 269 19.4694 114 0.47 66
IV.NARO.HHZ. 2023-07-08T09:54:41.99 0.6 undecidable manual S 33 21.4674 112 -0.28 46
IV.ATFO.HHZ. 2023-07-08T09:54:40.26 0.6 undecidable manual S 130 14.2746 121 0.21 47
IV.PIEI.HHZ. 2023-07-08T09:54:40.00 0.3 undecidable manual S 40 12.5763 125 0.46 67
IV.MURB.HHZ. 2023-07-08T09:54:39.07 1.0 positive manual P 161 21.867 112 0.12 24
IV.TB01.DHZ.01 2023-07-08T09:54:38.14 0.6 undecidable manual S 180 7.4814 139 -0.08 49
IV.NARO.HHZ. 2023-07-08T09:54:38.98 0.6 positive manual P 33 21.4674 112 0.11 48
IV.TSM6.DHZ.11 2023-07-08T09:54:38.62 0.6 undecidable manual S 288 8.6802 135 0.12 49
IV.TB02.DHZ.01 2023-07-08T09:54:38.69 0.6 undecidable manual S 193 8.9799 134 0.12 49
IV.ATVO.HHZ. 2023-07-08T09:54:38.40 0.6 undecidable manual S 197 7.7811 138 0.11 49
IV.ATPI.EHZ. 2023-07-08T09:54:37.00 0.6 undecidable manual S 274 2.6973 163 -0.4 46
IV.ATPC.HNZ. 2023-07-08T09:54:37.35 0.6 undecidable manual S 27 3.8961 156 -0.21 48
IV.ATFO.HHZ. 2023-07-08T09:54:37.40 0.1 undecidable manual P 130 14.2746 121 -0.19 95
IV.ATMC.EHZ. 2023-07-08T09:54:37.88 0.3 undecidable manual P 269 19.4694 114 -0.64 63
IV.PIEI.HHZ. 2023-07-08T09:54:37.36 1.0 positive manual P 40 12.5763 125 0.06 24
IV.ATPC.HNZ. 2023-07-08T09:54:36.13 0.1 undecidable manual P 27 3.8961 156 -0.03 100
IV.TB03.DHZ.05 2023-07-08T09:54:36.17 0.1 undecidable manual P 201 5.6943 147 -0.15 97
IV.ATVO.HHZ. 2023-07-08T09:54:36.73 0.1 undecidable manual P 197 7.7811 138 0.15 97
IV.TB01.DHZ.01 2023-07-08T09:54:36.43 0.1 undecidable manual P 180 7.4814 139 -0.11 98
IV.TSM6.DHZ.11 2023-07-08T09:54:36.87 0.1 undecidable manual P 288 8.6802 135 0.17 96
IV.TB02.DHZ.01 2023-07-08T09:54:36.69 0.1 undecidable manual P 193 8.9799 134 -0.05 99
IV.ATPI.EHZ. 2023-07-08T09:54:35.97 0.6 undecidable manual P 274 2.6973 163 -0.09 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.0 0.00005115 0.28 AML other m 2023-07-08T09:54:40.34
IV.PIEI.HHE. ML:0.0 0.00004765 0.26 AML other m 2023-07-08T09:54:40.36
IV.ATFO.HHE. ML:0.3 0.0000196447015 0.1792 AML other m 2023-07-08T09:54:40.27
IV.ATFO.HHN. ML:0.4 0.000023251885 0.1216 AML other m 2023-07-08T09:54:40.63
IV.NARO.HHE. ML:0.2 0.000011323845 0.0832 AML other m 2023-07-08T09:54:43.18
IV.NARO.HHN. ML:0.2 0.000007751662 0.0576 AML other m 2023-07-08T09:54:42.36
IV.MURB.HHE. ML:0.9 0.00004811456 0.2176 AML other m 2023-07-08T09:54:43.36
IV.MURB.HHN. ML:0.8 0.00003910888499999999 0.1856 AML other m 2023-07-08T09:54:43.62
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