Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 25-11-2023 and time 13:32:11 (Italy) in region 2 km NE Pietralunga (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km NE Pietralunga (PG), on

  • 25-11-2023 12:32:11 (UTC)
  • 25-11-2023 13:32:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4560, 12.4570 at 7 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.

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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 2 2111 2111
Apecchio PU 12 1882 3993
Cantiano PU 14 2245 6238
Montone PG 15 1680 7918
Gubbio PG 15 32216 40134
Piobbico PU 16 2029 42163
Città di Castello PG 18 39913 82076
Scheggia e Pascelupo PG 18 1393 83469
Cagli PU 19 8731 92200
Umbertide PG 20 16681 108881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
46 Km E of Arezzo (99543 inhabitants)
59 Km NW of Foligno (57155 inhabitants)
63 Km SW of Pesaro (94582 inhabitants)
63 Km SW of Fano (60888 inhabitants)
68 Km S of Rimini (147750 inhabitants)
78 Km S of Cesena (96758 inhabitants)
88 Km W of Ancona (100861 inhabitants)
92 Km SE of Forlì (117913 inhabitants)
92 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 0.9 2023-11-25
12:32:11		 43.4562 12.4568 7 2023-11-25
12:38:50		 Sala Sismica INGV-Roma 123431961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-25 12:32:11 ± 0.1
Latitude 43.4562 ± 0.0027
Longitude 12.4568 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123431961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 318
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.02428
Epicentral distance of station farthest from the epicenter (degree) 0.20415
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 15
Type of magnitude ML
Reference to an origin 123431961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-25 12:38:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2023-11-25T12:32:20.39 0.6 undecidable manual S 166 22.1556 108 0.48 44
IV.NARO.HHZ. 2023-11-25T12:32:19.04 0.6 undecidable manual S 30 19.869 110 -0.12 48
IV.FRON.EHZ. 2023-11-25T12:32:19.94 0.6 undecidable manual S 72 22.6551 108 -0.16 47
IV.BADI.EHZ. 2023-11-25T12:32:19.03 0.6 undecidable manual S 289 18.0708 112 0.42 45
IV.MURB.HHZ. 2023-11-25T12:32:16.56 0.3 negative manual P 166 22.1556 108 0.06 73
IV.TSM6.DH1. 2023-11-25T12:32:16.00 0.6 undecidable manual S 280 10.1787 126 -0.17 48
IV.PIEI.HHZ. 2023-11-25T12:32:16.87 0.6 undecidable manual S 35 10.7781 124 0.51 45
IV.ATVO.HNE. 2023-11-25T12:32:16.09 0.6 undecidable manual S 206 9.1797 129 0.19 48
IV.FRON.EHZ. 2023-11-25T12:32:16.40 0.6 negative manual P 72 22.6551 108 -0.21 47
IV.TB02.DH1. 2023-11-25T12:32:16.08 0.6 undecidable manual S 202 10.2786 126 -0.12 49
IV.BADI.EHZ. 2023-11-25T12:32:15.76 0.6 undecidable manual P 289 18.0708 112 0.02 49
IV.TB03.DH2. 2023-11-25T12:32:15.22 0.6 undecidable manual S 212 7.1928 136 -0.16 49
IV.NARO.HHZ. 2023-11-25T12:32:15.83 0.6 positive manual P 30 19.869 110 -0.23 47
IV.TSM2.DHE. 2023-11-25T12:32:15.25 0.6 undecidable manual S 158 7.1928 136 -0.13 49
IV.PIEI.HHZ. 2023-11-25T12:32:14.51 0.6 undecidable manual P 35 10.7781 124 0.06 49
IV.ATVO.HNE. 2023-11-25T12:32:14.16 0.1 undecidable manual P 206 9.1797 129 -0.02 100
IV.ATPC.HHN. 2023-11-25T12:32:14.63 0.6 undecidable manual S 0 2.6973 160 0.09 50
IV.TB02.DH1. 2023-11-25T12:32:14.36 0.1 undecidable manual P 202 10.2786 126 0.01 100
IV.ATPI.EHZ. 2023-11-25T12:32:14.61 0.6 undecidable manual S 262 4.4955 149 -0.19 49
IV.TSM6.DH1. 2023-11-25T12:32:14.24 0.1 undecidable manual P 280 10.1787 126 -0.1 98
IV.TSM2.DHE. 2023-11-25T12:32:13.84 0.1 undecidable manual P 158 7.1928 136 -0.04 100
IV.ATPC.HHN. 2023-11-25T12:32:13.50 0.1 undecidable manual P 0 2.6973 160 0.11 99
IV.ATPI.EHZ. 2023-11-25T12:32:13.50 0.3 undecidable manual P 262 4.4955 149 -0.05 75
IV.TB03.DH2. 2023-11-25T12:32:13.83 0.1 undecidable manual P 212 7.1928 136 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.0 0.00025892965000000003 0.2368 AML other m 2023-11-25T12:32:14.73
IV.ATPI.EHN. ML:0.0 0.0001980209 0.1024 AML other m 2023-11-25T12:32:14.72
IV.ATPI.HNE. ML:0.0 0.00028199645 0.2496 AML other m 2023-11-25T12:32:14.85
IV.ATPI.HNN. ML:0.0 0.00020485694999999998 0.1088 AML other m 2023-11-25T12:32:14.72
IV.PIEI.HHE. ML:0.6 0.000053904639999999995 0.1024 AML other m 2023-11-25T12:32:15.03
IV.PIEI.HHN. ML:0.5 0.000046403355 0.0832 AML other m 2023-11-25T12:32:17.10
IV.PIEI.HNE. ML:1.0 0.00012858845 0.5632 AML other m 2023-11-25T12:32:15.96
IV.PIEI.HNN. ML:0.8 0.00009218572500000002 0.3776 AML other m 2023-11-25T12:32:17.59
IV.BADI.EHE. ML:1.0 0.000086212965 0.1408 AML other m 2023-11-25T12:32:19.13
IV.BADI.EHN. ML:0.7 0.00004301656 0.6976 AML other m 2023-11-25T12:32:22.27
IV.NARO.HHE. ML:0.8 0.000049634600049999997 44.6208 AML other m 2023-11-25T12:32:16.01
IV.NARO.HHN. ML:0.4 0.000019123428999999997 0.4608 AML other m 2023-11-25T12:32:24.48
IV.FRON.EHE. ML:0.7 0.0000373037855 0.64 AML other m 2023-11-25T12:32:16.53
IV.FRON.EHN. ML:0.9 0.00004783559499999999 1.0816 AML other m 2023-11-25T12:32:26.20
IV.MURB.HNE. ML:1.3 0.00013028593 0.6336 AML other m 2023-11-25T12:32:27.16
IV.MURB.HNN. ML:1.3 0.0001339833105 0.512 AML other m 2023-11-25T12:32:20.46
IV.MURB.HHE. ML:1.1 0.00009060276000000001 0.3776 AML other m 2023-11-25T12:32:20.90
IV.MURB.HHN. ML:1.2 0.00009831166499999999 0.2176 AML other m 2023-11-25T12:32:20.94
IV.MML1.HNE. ML:1.7 0.000104386585 0.7296 AML other m 2023-11-25T12:32:26.73
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