Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 08-03-2024 and time 00:46:58 (Italy) in region 1 km NW Montefalco (PG)

A magnitude ML 1.0 earthquake occured in region: 1 km NW Montefalco (PG), on

  • 07-03-2024 23:46:58 (UTC)
  • 08-03-2024 00:46:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9010, 12.6480 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
Montefalco PG 1 5679 5679
Bevagna PG 5 5081 10760
Gualdo Cattaneo PG 8 6155 16915
Foligno PG 8 57155 74070
Trevi PG 9 8469 82539
Castel Ritaldi PG 9 3278 85817
Giano dell'Umbria PG 9 3846 89663
Spello PG 11 8645 98308
Cannara PG 12 4305 102613
Campello sul Clitunno PG 14 2442 105055
Collazzone PG 17 3473 108528
Massa Martana PG 17 3770 112298
Bettona PG 18 4367 116665
Assisi PG 19 28299 144964
Valtopina PG 20 1398 146362
Spoleto PG 20 38218 184580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km SW of Foligno (57155 inhabitants)
31 Km SE of Perugia (166134 inhabitants)
38 Km N of Terni (111501 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
88 Km SE of Arezzo (99543 inhabitants)
90 Km W of Teramo (54892 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 2024-03-07
23:46:58		 42.901 12.6485 10 2024-03-08
00:20:34		 Sala Sismica INGV-Roma 125761171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-07 23:46:58 ± 0.04
Latitude 42.9010 ± 0.0018
Longitude 12.6485 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125761171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
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) 135
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 125761171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-08 00:20:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2024-03-07T23:47:11.12 0.6 undecidable manual S 48 35.2425 50 0.03 48
IV.ATCC.EHZ. 2024-03-07T23:47:10.15 0.6 undecidable manual S 359 31.5462 50 0.06 48
IV.CESI.HHZ. 2024-03-07T23:47:08.03 0.6 undecidable manual S 61 23.754 113 0.13 48
IV.MURB.HHZ. 2024-03-07T23:47:07.13 1.0 positive manual P 346 41.4252 50 0.22 23
IV.MGAB.HHZ. 2024-03-07T23:47:07.55 3.0 undecidable manual P 0.04 0
IV.NRCA.HHZ. 2024-03-07T23:47:06.36 0.1 negative manual P 101 38.628 50 -0.12 94
IV.FDMO.HHZ. 2024-03-07T23:47:06.52 1.0 positive manual P 67 38.628 50 0.04 24
IV.MML1.EHZ. 2024-03-07T23:47:06.04 1.0 negative manual P 48 35.2425 50 0.08 24
IV.ATCC.EHZ. 2024-03-07T23:47:05.32 0.6 positive manual P 359 31.5462 50 -0.07 48
IV.ASSB.HHZ. 2024-03-07T23:47:05.23 0.6 undecidable manual S 3 15.7731 122 -0.19 48
IV.CESI.HHZ. 2024-03-07T23:47:04.12 0.6 undecidable manual P 61 23.754 113 0 50
IV.MOMA.HHZ. 2024-03-07T23:47:04.61 0.6 undecidable manual S 211 12.4764 128 0.11 49
IV.ASSB.HHZ. 2024-03-07T23:47:02.71 0.1 positive manual P 3 15.7731 122 0.03 100
IV.MOMA.HHZ. 2024-03-07T23:47:02.11 0.3 positive manual P 211 12.4764 128 -0.05 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HHN. ML:1.0 0.00010185 0.68 AML other m 2024-03-07T23:47:05.56
IV.MOMA.HHE. ML:1.2 0.000155 1.1 AML other m 2024-03-07T23:47:06.06
IV.ASSB.HHN. ML:0.8 0.000058700000000000004 0.62 AML other m 2024-03-07T23:47:06.96
IV.ASSB.HHE. ML:0.8 0.000060700000000000005 0.8 AML other m 2024-03-07T23:47:08.43
IV.NRCA.HHN. ML:0.8 0.00002735 0.64 AML other m 2024-03-07T23:47:12.98
IV.MURB.HHN. ML:1.2 0.000054 0.84 AML other m 2024-03-07T23:47:13.11
IV.NRCA.HHE. ML:0.9 0.000030350000000000002 0.92 AML other m 2024-03-07T23:47:14.23
IV.MURB.HHE. ML:1.4 0.00008215 1.54 AML other m 2024-03-07T23:47:14.84
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