Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 03-03-2024 and time 05:41:48 (UTC) in region 3 km NW Montefalco (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Montefalco (PG), on

  • 03-03-2024 05:41:48 (UTC)
  • 03-03-2024 06:41:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 12.6350 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 3 5679 5679
Bevagna PG 3 5081 10760
Gualdo Cattaneo PG 6 6155 16915
Foligno PG 7 57155 74070
Spello PG 9 8645 82715
Cannara PG 10 4305 87020
Giano dell'Umbria PG 10 3846 90866
Trevi PG 10 8469 99335
Castel Ritaldi PG 11 3278 102613
Campello sul Clitunno PG 16 2442 105055
Collazzone PG 16 3473 108528
Bettona PG 17 4367 112895
Assisi PG 18 28299 141194
Massa Martana PG 18 3770 144964
Bastia Umbra PG 18 21874 166838
Valtopina PG 19 1398 168236
Deruta PG 19 9669 177905

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km SW of Foligno (57155 inhabitants)
29 Km SE of Perugia (166134 inhabitants)
39 Km N of Terni (111501 inhabitants)
70 Km NE of Viterbo (67173 inhabitants)
87 Km SE of Arezzo (99543 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
92 Km W of Teramo (54892 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 1.1 2024-03-03
05:41:48		 42.9142 12.6353 10 2024-03-03
06:04:02		 Sala Sismica INGV-Roma 125669871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-03 05:41:48 ± 0.14
Latitude 42.9142 ± 0.0072
Longitude 12.6353 ± 0.0111
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 125669871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 933
Semi-minor axis of confidence ellipse (meter) 613
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 139
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 125669871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-03 06:04:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2024-03-03T05:42:55.60 3.0 positive manual Pg 12.6 0
IV.PZUN.HHZ. 2024-03-03T05:42:43.58 3.0 positive manual Pg 9.51 0
IV.STAL.HNZ. 2024-03-03T05:42:33.94 3.0 undecidable manual Pn 4.01 0
IX.SCL3.EHZ.02 2024-03-03T05:42:31.66 3.0 negative manual Pn 0.38 0
IV.CRMI.HHZ. 2024-03-03T05:42:14.25 3.0 undecidable manual Sn -0.98 0
IV.CSNT.HHZ. 2024-03-03T05:42:13.51 3.0 undecidable manual Sg 6.7 0
IV.OSSC.HHZ. 2024-03-03T05:42:12.66 3.0 undecidable manual Sg 4.64 0
IV.MURB.HHZ. 2024-03-03T05:42:03.65 3.0 undecidable manual Sg -0.04 0
IV.NRCA.HHZ. 2024-03-03T05:42:02.52 0.6 undecidable manual S 103 39.9267 50 0.16 47
IV.MML1.EHZ. 2024-03-03T05:42:01.27 0.6 undecidable manual S 51 35.1426 50 0.2 47
IV.ATCC.EHN. 2024-03-03T05:42:00.38 0.6 undecidable manual S 1 30.0477 50 0.66 42
IV.CRTC.HHZ. 2024-03-03T05:41:59.26 3.0 undecidable manual P -0.06 0
ZO.PDN12.EHZ. 2024-03-03T05:41:58.34 0.6 undecidable manual S 114 25.1526 112 -0.04 50
IV.CSP1.EHZ. 2024-03-03T05:41:58.56 0.3 undecidable manual P 67 50.2164 50 0.27 68
IV.CESI.HHZ. 2024-03-03T05:41:57.89 0.6 undecidable manual S 65 24.0537 113 -0.14 49
IV.MML1.EHZ. 2024-03-03T05:41:56.31 1.0 positive manual P 51 35.1426 50 0.34 23
IV.NRCA.HHZ. 2024-03-03T05:41:56.55 0.3 negative manual P 103 39.9267 50 -0.16 71
IV.FDMO.HHZ. 2024-03-03T05:41:56.64 0.3 undecidable manual P 70 39.1275 50 0.06 72
IV.MOMA.HHE. 2024-03-03T05:41:55.42 0.6 undecidable manual S 204 13.3755 127 0.65 43
IV.GAVE.EHE. 2024-03-03T05:41:55.43 0.1 undecidable manual P 139 32.4453 50 -0.12 97
IV.CESX.HHZ. 2024-03-03T05:41:55.75 0.1 undecidable manual P 187 34.1436 50 -0.06 97
IV.ATCC.EHN. 2024-03-03T05:41:54.22 0.3 undecidable manual P 1 30.0477 50 -0.97 55
ZO.PDN12.EHZ. 2024-03-03T05:41:54.28 0.3 undecidable manual P 114 25.1526 112 -0.13 73
IV.CESI.HHZ. 2024-03-03T05:41:54.31 0.3 undecidable manual P 65 24.0537 113 0.1 74
IV.ASSB.HHZ. 2024-03-03T05:41:52.89 3.0 positive manual P -0.09 0
IV.MOMA.HHE. 2024-03-03T05:41:52.22 0.1 undecidable manual P 204 13.3755 127 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.7 0.000048863459999999994 0.2208 AML other m 2024-03-03T05:41:57.91
IV.ASSB.HHN. ML:0.8 0.0000532977 0.16 AML other m 2024-03-03T05:41:56.82
IV.CESI.HHE. ML:0.5 0.0000181516475 0.24 AML other m 2024-03-03T05:42:00.52
IV.CESI.HHN. ML:0.7 0.00003165336 0.1408 AML other m 2024-03-03T05:41:58.72
IV.CESI.HNE. ML:1.2 0.00010554336 0.688 AML other m 2024-03-03T05:42:08.62
IV.CESI.HNN. ML:1.3 0.00012092075 1.1808 AML other m 2024-03-03T05:42:08.71
IV.MML1.EHE. ML:0.6 0.00001626474 1.28 AML other m 2024-03-03T05:42:21.98
IV.MML1.EHN. ML:0.6 0.000015779705999999997 0.1408 AML other m 2024-03-03T05:42:02.87
IV.MML1.HNE. ML:1.4 0.000099663295 0.8096 AML other m 2024-03-03T05:41:57.11
IV.MML1.HNN. ML:1.4 0.00009241306 0.7008 AML other m 2024-03-03T05:42:00.09
IV.NRCA.HHE. ML:1.0 0.00003391115 0.16 AML other m 2024-03-03T05:42:04.87
IV.NRCA.HHN. ML:0.9 0.000025003054999999998 0.1024 AML other m 2024-03-03T05:42:02.79
IV.NRCA.HNE. ML:1.5 0.000113887845 0.6176 AML other m 2024-03-03T05:42:13.64
IV.NRCA.HNN. ML:1.8 0.00020510565 1.0624 AML other m 2024-03-03T05:42:13.99
IV.CSP1.EHE. ML:1.5 0.00008096025500000001 2.16 AML other m 2024-03-03T05:42:32.51
IV.CSP1.EHN. ML:1.2 0.00004027309499999999 1.7376 AML other m 2024-03-03T05:42:37.60
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