Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 24-01-2024 and time 18:10:18 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 0.5 earthquake occured in region: 3 km NE Norcia (PG), on

  • 24-01-2024 17:10:18 (UTC)
  • 24-01-2024 18:10:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8130, 13.1220 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 10 724 5962
Visso MC 13 1107 7069
Cascia PG 14 3217 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 15 1178 11908
Accumoli RI 17 667 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Sellano PG 18 1079 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 19 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
100 Km NW of Chieti (51815 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 0.5 2024-01-24
17:10:18		 42.8132 13.1217 10 2024-01-24
17:20:56		 Sala Sismica INGV-Roma 124834271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-24 17:10:18 ± 0.07
Latitude 42.8132 ± 0.0045
Longitude 13.1217 ± 0.0049
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 124834271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 402
Semi-minor axis of confidence ellipse (meter) 371
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 345
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02068
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 124834271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-24 17:20:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-01-24T17:10:32.39 0.6 undecidable manual S 118 44.622 50 -0.49 43
IV.CESI.HHZ. 2024-01-24T17:10:28.05 0.6 undecidable manual S 320 27.6501 50 -0.29 46
IV.SMA1.EHZ. 2024-01-24T17:10:27.83 0.6 undecidable manual S 139 26.751 110 -0.24 46
IV.FDMO.HHZ. 2024-01-24T17:10:27.21 0.6 undecidable manual S 354 24.9528 111 -0.28 46
IV.LNSS.HHZ. 2024-01-24T17:10:26.95 0.6 undecidable manual S 196 24.2535 112 -0.32 46
IV.TERO.HHZ. 2024-01-24T17:10:26.79 1.0 undecidable manual P 118 44.622 50 0.11 23
IV.MMO1.EHZ. 2024-01-24T17:10:25.46 0.6 undecidable manual S 60 19.2696 117 -0.22 47
IV.SMA1.EHZ. 2024-01-24T17:10:24.39 0.1 undecidable manual P 139 26.751 110 0.49 88
IV.MC2.EHZ. 2024-01-24T17:10:24.05 0.6 undecidable manual S 27 12.1767 129 0.43 46
ZO.PDN12.EHZ. 2024-01-24T17:10:24.76 0.3 undecidable manual S 273 16.6722 120 -0.14 72
7F.SIB2.EHE. 2024-01-24T17:10:24.77 0.6 undecidable manual S 60 17.1717 120 -0.28 47
IV.CESI.HHZ. 2024-01-24T17:10:24.03 0.1 undecidable manual P 320 27.6501 50 -0.03 97
7F.SIB1.EHE. 2024-01-24T17:10:24.64 0.6 undecidable manual S 53 15.0738 123 0.21 48
7F.SIB3.EHE. 2024-01-24T17:10:23.99 0.6 undecidable manual S 60 13.875 125 -0.1 49
IV.FDMO.HHZ. 2024-01-24T17:10:23.46 0.1 undecidable manual P 354 24.9528 111 -0.11 96
IV.LNSS.HHZ. 2024-01-24T17:10:23.50 0.1 undecidable manual P 196 24.2535 112 0.06 97
IV.MMO1.EHZ. 2024-01-24T17:10:22.36 0.1 undecidable manual P 60 19.2696 117 -0.17 95
7F.SIB2.EHE. 2024-01-24T17:10:22.18 0.1 undecidable manual P 60 17.1717 120 0.02 99
7F.SIB1.EHE. 2024-01-24T17:10:22.02 0.1 undecidable manual P 53 15.0738 123 0.22 95
ZO.PDN12.EHZ. 2024-01-24T17:10:22.51 0.3 undecidable manual P 273 16.6722 120 0.44 68
IV.NRCA.HHZ. 2024-01-24T17:10:21.34 0.1 undecidable manual S 345 2.2977 166 -0.33 94
7F.SIB3.EHE. 2024-01-24T17:10:21.59 0.1 undecidable manual P 60 13.875 125 -0.01 99
IV.MC2.EHZ. 2024-01-24T17:10:21.68 0.1 undecidable manual P 27 12.1767 129 0.35 93
IV.NRCA.HHZ. 2024-01-24T17:10:20.30 0.1 undecidable manual P 345 2.2977 166 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.000292 1 AML other m 2024-01-24T17:10:21.60
IV.NRCA.HHE. ML:1.6 0.000722 0.16 AML other m 2024-01-24T17:10:21.68
IV.LNSS.HHN. ML:0.7 0.000030449999999999998 0.96 AML other m 2024-01-24T17:10:27.94
IV.LNSS.HHE. ML:0.7 0.00002895 1.14 AML other m 2024-01-24T17:10:28.16
IV.MMO1.EHE. ML:0.6 0.0000292297565 0.128 AML other m 2024-01-24T17:10:25.88
IV.MMO1.EHN. ML:0.6 0.00002966345 0.1536 AML other m 2024-01-24T17:10:26.30
IV.FDMO.HHE. ML:-0.1 0.00000672414665 0.128 AML other m 2024-01-24T17:10:28.89
IV.FDMO.HHN. ML:-0.1 0.0000070791545000000005 0.1536 AML other m 2024-01-24T17:10:31.49
IV.CESI.HHE. ML:0.6 0.000021121225000000002 0.128 AML other m 2024-01-24T17:10:28.19
IV.CESI.HHN. ML:0.7 0.000024016495 0.1024 AML other m 2024-01-24T17:10:28.26
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