Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 25-05-2024 and time 21:00:16 (Italy) in region 8 km E Città di Castello (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km E Città di Castello (PG), on

  • 25-05-2024 19:00:16 (UTC)
  • 25-05-2024 21:00:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4590, 12.3350 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.

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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
Città di Castello PG 8 39913 39913
Pietralunga PG 9 2111 42024
Montone PG 11 1680 43704
Apecchio PU 13 1882 45586
Monte Santa Maria Tiberina PG 14 1183 46769
San Giustino PG 16 11297 58066
Umbertide PG 17 16681 74747
Citerna PG 18 3531 78278
Monterchi AR 18 1757 80035
Sansepolcro AR 20 15884 95919

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Arezzo (99543 inhabitants)
39 Km N of Perugia (166134 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
70 Km S of Rimini (147750 inhabitants)
70 Km SW of Fano (60888 inhabitants)
76 Km S of Cesena (96758 inhabitants)
83 Km E of Siena (53903 inhabitants)
88 Km S of Forlì (117913 inhabitants)
94 Km E of Firenze (382808 inhabitants)
97 Km W of Ancona (100861 inhabitants)
99 Km E of Scandicci (50609 inhabitants)
99 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 0.9 2024-05-25
19:00:16		 43.459 12.3353 10 2024-05-25
19:09:03		 Sala Sismica INGV-Roma 128168071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-25 19:00:16 ± 0.14
Latitude 43.4590 ± 0.0072
Longitude 12.3353 ± 0.0099
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 128168071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1051
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23382
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 128168071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-25 19:09:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-05-25T19:00:25.43 0.3 undecidable manual S 49 25.9518 50 -0.19 71
IV.PIEI.HHZ. 2024-05-25T19:00:23.53 0.3 undecidable manual S 62 18.1707 119 0.31 70
IV.ATMI.HHZ. 2024-05-25T19:00:22.21 0.6 undecidable manual S 201 14.874 124 -0.04 50
IV.TSM2.DHZ.15 2024-05-25T19:00:22.05 0.3 undecidable manual S 119 14.2746 125 -0.03 75
IV.ATBU.EHE. 2024-05-25T19:00:22.73 0.3 undecidable manual S 84 17.2716 120 -0.22 71
IV.TB01.DHE. 2024-05-25T19:00:21.41 0.6 undecidable manual S 137 11.7771 130 0.01 50
IV.NARO.HHZ. 2024-05-25T19:00:21.31 1.0 negative manual P 49 25.9518 50 -0.25 23
IV.TSM3.DHZ.01 2024-05-25T19:00:20.31 0.6 undecidable manual S 169 8.5803 140 -0.29 48
IV.PIEI.HHZ. 2024-05-25T19:00:20.29 0.1 undecidable manual P 62 18.1707 119 0.11 97
IV.TB03.DH1.15 2024-05-25T19:00:20.56 0.3 undecidable manual S 137 8.7801 139 -0.09 74
IV.MURB.HHZ. 2024-05-25T19:00:20.02 3.0 undecidable manual S 0
IV.ATBU.EHE. 2024-05-25T19:00:19.84 0.1 undecidable manual P 84 17.2716 120 -0.17 96
IV.ATMI.HHZ. 2024-05-25T19:00:19.60 1.0 undecidable manual P 201 14.874 124 -0.01 25
IV.TSM2.DHZ.15 2024-05-25T19:00:19.93 0.1 undecidable manual P 119 14.2746 125 0.42 92
IV.ATPI.EHZ. 2024-05-25T19:00:19.64 0.6 undecidable manual S 100 5.4945 152 -0.35 47
IV.TB01.DHE. 2024-05-25T19:00:19.36 0.1 undecidable manual P 137 11.7771 130 0.24 96
IV.ATPI.EHZ. 2024-05-25T19:00:18.23 1.0 undecidable manual P 100 5.4945 152 -0.08 25
IV.TB03.DH1.15 2024-05-25T19:00:18.78 0.1 undecidable manual P 137 8.7801 139 0.09 99
IV.TSM3.DHZ.01 2024-05-25T19:00:18.62 0.1 undecidable manual P 169 8.5803 140 -0.05 100
IV.ATFO.HHZ. 2024-05-25T19:00:17.22 3.0 negative manual P 0.06 0
IV.MURB.HHZ. 2024-05-25T19:00:16.85 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHN. ML:0.4 0.0000454 0.12 AML other m 2024-05-25T19:00:19.72
IV.ATPI.EHE. ML:0.6 0.00006235 0.28 AML other m 2024-05-25T19:00:19.83
IV.MURB.HHE. ML:1.3 0.00011405 0.28 AML other m 2024-05-25T19:00:20.57
IV.MURB.HHN. ML:1.4 0.00013550000000000001 1.8 AML other m 2024-05-25T19:00:21.93
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