Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 02-08-2024 and time 02:10:18 (UTC) in region 4 km NE Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Norcia (PG), on

  • 02-08-2024 02:10:18 (UTC)
  • 02-08-2024 04:10:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8250, 13.1140 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 4 4957 4957
Preci PG 9 724 5681
Castelsantangelo sul Nera MC 9 281 5962
Visso MC 12 1107 7069
Ussita MC 14 444 7513
Cascia PG 14 3217 10730
Cerreto di Spoleto PG 16 1075 11805
Arquata del Tronto AP 16 1178 12983
Sellano PG 17 1079 14062
Montegallo AP 18 523 14585
Accumoli RI 18 667 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 19 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km W of Pescara (121014 inhabitants)
99 Km N of Tivoli (56533 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 0.8 2024-08-02
02:10:18		 42.8252 13.1137 10 2024-08-02
02:42:24		 Sala Sismica INGV-Roma 130338761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-08-02 02:10:18 ± 0.09
Latitude 42.8252 ± 0.0045
Longitude 13.1137 ± 0.0061
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 130338761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 588
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 130338761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-08-02 02:42:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-08-02T02:10:27.41 0.6 undecidable manual S 355 23.5542 113 -0.29 47
IV.TERO.HHZ. 2024-08-02T02:10:27.04 3.0 positive manual P -0.33 0
7F.SIB2.EHZ. 2024-08-02T02:10:25.41 0.3 undecidable manual S 65 17.0718 120 -0.28 71
IV.CSP1.EHZ. 2024-08-02T02:10:25.10 0.3 undecidable manual P 14 30.5472 50 0 74
7F.SIB1.EHZ. 2024-08-02T02:10:25.11 0.3 undecidable manual S 59 14.874 124 0.08 75
IV.LNSS.HNE. 2024-08-02T02:10:24.12 0.3 undecidable manual P 194 25.3524 111 -0.17 72
IV.SMA1.EHZ. 2024-08-02T02:10:24.62 3.0 undecidable manual P 0.25 0
IV.FDMO.HHZ. 2024-08-02T02:10:23.94 0.1 undecidable manual P 355 23.5542 113 -0.01 99
IV.GAVE.EHZ. 2024-08-02T02:10:23.87 0.1 undecidable manual P 231 23.1546 113 -0.01 99
IV.MMO1.EHZ. 2024-08-02T02:10:23.11 3.0 positive manual P 0.03 0
IV.NRCA.HHZ. 2024-08-02T02:10:22.20 0.3 undecidable manual S 3 0.8991 175 -0.08 76
7F.SIB1.EHZ. 2024-08-02T02:10:22.55 0.1 undecidable manual P 59 14.874 124 0.14 98
7F.SIB2.EHZ. 2024-08-02T02:10:22.73 0.1 undecidable manual P 65 17.0718 120 -0.06 99
IV.MC2.EHZ. 2024-08-02T02:10:22.10 0.1 undecidable manual P 33 11.3775 131 0.25 97
IV.NRCA.HHZ. 2024-08-02T02:10:20.99 0.1 undecidable manual P 3 0.8991 175 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.0003945 0.14 AML other m 2024-08-02T02:10:22.31
IV.NRCA.HHE. ML:1.6 0.0007920000000000001 0.16 AML other m 2024-08-02T02:10:22.32
IV.NRCA.HNE. ML:1.6 0.00076156355 0.16 AML other m 2024-08-02T02:10:22.32
IV.NRCA.HNN. ML:1.2 0.0003053135 0.06 AML other m 2024-08-02T02:10:22.32
IV.MMO1.EHE. ML:0.8 0.00005061934 0.12 AML other m 2024-08-02T02:10:26.69
IV.MMO1.EHN. ML:0.8 0.000050466035 0.08 AML other m 2024-08-02T02:10:26.62
IV.FDMO.HHE. ML:0.8 0.000035995145 0.16 AML other m 2024-08-02T02:10:28.75
IV.FDMO.HHN. ML:0.7 0.000029278375000000002 0.38 AML other m 2024-08-02T02:10:29.58
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