Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 28-02-2024 and time 09:16:18 (Italy) in region 8 km S Pietralunga (PG)

A magnitude ML 1.0 earthquake occured in region: 8 km S Pietralunga (PG), on

  • 28-02-2024 08:16:18 (UTC)
  • 28-02-2024 09:16:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3750, 12.4610 at 34 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 8 2111 2111
Gubbio PG 10 32216 34327
Montone PG 11 1680 36007
Umbertide PG 13 16681 52688
Scheggia e Pascelupo PG 17 1393 54081
Cantiano PU 18 2245 56326

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Perugia (166134 inhabitants)
48 Km E of Arezzo (99543 inhabitants)
51 Km NW of Foligno (57155 inhabitants)
69 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
87 Km S of Cesena (96758 inhabitants)
90 Km W of Ancona (100861 inhabitants)
91 Km E of Siena (53903 inhabitants)
92 Km N of Terni (111501 inhabitants)
100 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 1.0 2024-02-28
08:16:18		 43.3748 12.4612 34 2024-02-28
08:24:01		 Sala Sismica INGV-Roma 125588281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-28 08:16:18 ± 0.08
Latitude 43.3748 ± 0.0045
Longitude 12.4612 ± 0.0062
Depth (km) 34 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125588281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 577
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23922
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 125588281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-28 08:24:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2024-02-28T08:17:41.86 3.0 undecidable manual Sg 18.469999 0
AC.VLO.HHZ.00 2024-02-28T08:17:32.89 3.0 positive manual Pn 8.72 0
IV.TDS.HHZ. 2024-02-28T08:17:27.18 3.0 negative manual Pg 21.780001 0
IV.MPNC.HHZ. 2024-02-28T08:17:26.93 3.0 undecidable manual Pn 11.2 0
IV.ERC.EHZ. 2024-02-28T08:17:14.46 3.0 undecidable manual Pn 5.27 0
IV.CET2.HHZ. 2024-02-28T08:17:09.85 3.0 undecidable manual Pn 5.63 0
MN.TRI.HHZ. 2024-02-28T08:16:56.18 3.0 negative manual Pg 12.94 0
IV.SAP2.EHZ. 2024-02-28T08:16:55.81 3.0 undecidable manual Sg 0.26 0
IV.RIBO.EHZ.01 2024-02-28T08:16:51.83 3.0 undecidable manual Sg 0.02 0
IV.LPEL.HHZ. 2024-02-28T08:16:42.71 3.0 undecidable manual Pg 9.05 0
IV.PIGN.HHZ. 2024-02-28T08:16:41.05 3.0 negative manual Pn 1.9 0
IV.CERA.HNZ. 2024-02-28T08:16:33.57 3.0 undecidable manual Pn -1.84 0
IV.GUMA.HHZ. 2024-02-28T08:16:31.06 3.0 positive manual Pg 4.57 0
IV.FRON.EHZ. 2024-02-28T08:16:30.78 0.3 undecidable manual S 53 26.5512 138 0.26 69
IV.ATMI.HHZ. 2024-02-28T08:16:29.07 0.3 undecidable manual S 254 16.1727 152 0.14 71
IV.PIEI.HHZ. 2024-02-28T08:16:29.20 0.3 undecidable manual S 18 18.7701 148 -0.08 71
IV.PTQR.HHZ. 2024-02-28T08:16:29.59 3.0 undecidable manual P -0.33 0
IV.ATPI.EHZ. 2024-02-28T08:16:28.27 0.1 undecidable manual S 331 9.6792 163 0.02 99
IV.TB03.DHZ.01 2024-02-28T08:16:28.09 0.3 undecidable manual S 306 5.0949 171 0.13 73
IV.MURB.HHZ. 2024-02-28T08:16:28.67 0.3 undecidable manual S 158 13.3755 156 0.07 73
IV.ATVO.HHZ. 2024-02-28T08:16:27.89 0.1 undecidable manual S 281 4.4955 172 -0.05 99
IV.TSM2.DH2.15 2024-02-28T08:16:27.82 0.3 undecidable manual S 44 3.2967 174 -0.08 73
IV.TB01.DHN.01 2024-02-28T08:16:27.82 0.3 undecidable manual S 290 2.1978 176 -0.05 74
IV.TB02.DHZ. 2024-02-28T08:16:27.84 0.3 undecidable manual S 263 4.1958 172 -0.09 73
IV.FRON.EHZ. 2024-02-28T08:16:25.24 1.0 positive manual P 53 26.5512 138 -0.01 24
IV.MURB.HHZ. 2024-02-28T08:16:24.20 0.3 undecidable manual P 158 13.3755 156 0.06 72
IV.ATMI.HHZ. 2024-02-28T08:16:24.37 0.3 undecidable manual P 254 16.1727 152 0.04 72
IV.ATPI.EHZ. 2024-02-28T08:16:24.03 0.1 positive manual P 331 9.6792 163 0.09 97
IV.PIEI.HHZ. 2024-02-28T08:16:24.49 0.1 undecidable manual P 18 18.7701 148 -0.04 96
IV.TB02.DHZ. 2024-02-28T08:16:23.75 0.1 undecidable manual P 263 4.1958 172 0 99
IV.TSM3.DHE.01 2024-02-28T08:16:23.82 0.3 undecidable manual P 276 8.5803 164 -0.07 73
IV.ATVO.HHZ. 2024-02-28T08:16:23.70 0.1 undecidable manual P 281 4.4955 172 -0.06 99
IV.TSM2.DH2.15 2024-02-28T08:16:23.61 0.1 undecidable manual P 44 3.2967 174 -0.13 97
IV.TB03.DHZ.01 2024-02-28T08:16:23.80 0.1 undecidable manual P 306 5.0949 171 0.03 99
IV.ATFO.HNN. 2024-02-28T08:16:23.94 0.3 undecidable manual P 96 8.9799 164 0.03 74
IV.TB01.DHN.01 2024-02-28T08:16:23.71 0.1 undecidable manual P 290 2.1978 176 -0.01 100
IV.TSM1.DHE.01 2024-02-28T08:16:23.90 0.3 undecidable manual P 106 11.4774 159 -0.13 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:0.8 0.000029898442 1.28 AML other m 2024-02-28T08:16:27.98
IV.ATVO.HHN. ML:1.0 0.000041672125 0.9408 AML other m 2024-02-28T08:16:28.56
IV.ATPI.EHE. ML:0.7 0.000020457605 2.0608 AML other m 2024-02-28T08:16:28.78
IV.ATPI.EHN. ML:1.1 0.00005376193500000001 0.32 AML other m 2024-02-28T08:16:28.56
IV.MURB.HHE. ML:1.3 0.000084038515 0.1984 AML other m 2024-02-28T08:16:29.47
IV.MURB.HHN. ML:1.4 0.00011154138499999999 0.2432 AML other m 2024-02-28T08:16:30.03
IV.MURB.HNN. ML:1.5 0.0001269313 0.2496 AML other m 2024-02-28T08:16:30.03
IV.PIEI.HHE. ML:1.0 0.000033005015 0.1216 AML other m 2024-02-28T08:16:29.80
IV.PIEI.HHN. ML:0.7 0.00002098994 0.6976 AML other m 2024-02-28T08:16:29.59
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