Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 24-04-2024 and time 22:56:03 (UTC) in region 3 km S Preci (PG)

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

  • 24-04-2024 22:56:03 (UTC)
  • 25-04-2024 00:56:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8490, 13.0440 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
Preci PG 3 724 724
Norcia PG 7 4957 5681
Visso MC 10 1107 6788
Castelsantangelo sul Nera MC 10 281 7069
Sellano PG 11 1079 8148
Cerreto di Spoleto PG 11 1075 9223
Ussita MC 13 444 9667
Cascia PG 15 3217 12884
Monte Cavallo MC 17 145 13029
Vallo di Nera PG 17 364 13393
Poggiodomo PG 18 117 13510

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
98 Km W of Montesilvano (53738 inhabitants)
98 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 1.1 2024-04-24
22:56:03		 42.8492 13.0445 10 2024-04-24
23:01:52		 Sala Sismica INGV-Roma 127053071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-24 22:56:03 ± 0.05
Latitude 42.8492 ± 0.0027
Longitude 13.0445 ± 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 127053071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46855
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 127053071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-24 23:01:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HNZ. 2024-04-24T22:56:19.50 0.1 undecidable manual S 119 52.0035 50 -0.16 90
IV.ASSB.HHZ. 2024-04-24T22:56:15.81 0.1 undecidable manual S 305 37.9287 50 -0.09 93
IV.CSP1.EHZ. 2024-04-24T22:56:13.99 0.1 undecidable manual S 26 29.9478 50 0.24 92
IV.LNSS.HHZ. 2024-04-24T22:56:13.04 0.3 undecidable manual S 181 27.3504 50 -0.02 72
IV.MML1.EHZ. 2024-04-24T22:56:13.83 0.1 undecidable manual S 349 29.9478 50 0.08 95
IV.TERO.HNZ. 2024-04-24T22:56:12.66 0.1 undecidable manual P 119 52.0035 50 0.01 93
IV.MMO1.EHZ. 2024-04-24T22:56:11.87 0.1 undecidable manual S 76 23.6541 113 -0.1 96
IV.RCAV.EHZ. 2024-04-24T22:56:11.93 3.0 undecidable manual P 0.35 0
IV.LPEL.HHZ. 2024-04-24T22:56:11.92 3.0 negative manual P -0.43 0
7F.SIB2.EHZ. 2024-04-24T22:56:11.20 0.1 undecidable manual S 77 21.5673 115 -0.12 95
IV.FDMO.HHZ. 2024-04-24T22:56:10.97 0.1 undecidable manual S 9 21.0678 115 -0.19 94
IV.ASSB.HHZ. 2024-04-24T22:56:10.28 0.1 undecidable manual P 305 37.9287 50 -0.2 91
IV.CESI.HHZ. 2024-04-24T22:56:10.90 0.1 undecidable manual S 327 20.6682 116 -0.14 95
IV.MML1.EHZ. 2024-04-24T22:56:09.33 0.1 undecidable manual P 349 29.9478 50 0.09 95
IV.CSP1.EHZ. 2024-04-24T22:56:09.13 0.1 undecidable manual P 26 29.9478 50 -0.1 94
IV.MMO1.EHZ. 2024-04-24T22:56:08.24 0.1 undecidable manual P 76 23.6541 113 0.03 97
IV.LNSS.HHZ. 2024-04-24T22:56:08.89 0.1 undecidable manual P 181 27.3504 50 0.05 96
IV.CESI.HHZ. 2024-04-24T22:56:07.79 0.1 undecidable manual P 327 20.6682 116 0.12 96
7F.SIB2.EHZ. 2024-04-24T22:56:07.90 0.1 undecidable manual P 77 21.5673 115 0.06 97
IV.FDMO.HHZ. 2024-04-24T22:56:07.95 0.1 undecidable manual P 9 21.0678 115 0.21 94
IV.NRCA.HHZ. 2024-04-24T22:56:07.08 0.1 undecidable manual S 107 5.8941 149 -0.03 100
IV.NRCA.HHZ. 2024-04-24T22:56:05.67 0.1 undecidable manual P 107 5.8941 149 0.27 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.000272 0.1 AML other m 2024-04-24T22:56:07.14
IV.NRCA.HHE. ML:1.2 0.0002635 0.62 AML other m 2024-04-24T22:56:07.16
IV.MMO1.EHE. ML:1.1 0.00007290000000000001 1.24 AML other m 2024-04-24T22:56:12.79
IV.MMO1.EHN. ML:0.9 0.00005349999999999999 0.58 AML other m 2024-04-24T22:56:12.58
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