Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 25-07-2024 and time 02:01:10 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 2 km E Norcia (PG), on

  • 25-07-2024 00:01:10 (UTC)
  • 25-07-2024 02:01:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7870, 13.1120 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 2 4957 4957
Cascia PG 11 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 13 281 9179
Accumoli RI 15 667 9846
Arquata del Tronto AP 15 1178 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 16 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 18 444 13767
Sellano PG 19 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 19 482 15851
Monteleone di Spoleto PG 20 599 16450

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km W 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 1.3 2024-07-25
00:01:10		 42.7867 13.1125 10 2024-07-25
00:06:34		 Sala Sismica INGV-Roma 130154491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-25 00:01:10 ± 0.06
Latitude 42.7867 ± 0.0036
Longitude 13.1125 ± 0.0061
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 130154491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 561
Semi-minor axis of confidence ellipse (meter) 345
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) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 130154491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-25 00:06:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2024-07-25T00:01:21.39 3.0 negative manual P 0.08 0
IV.RM33.EHZ. 2024-07-25T00:01:21.61 0.3 undecidable manual S 165 31.9458 50 -0.18 70
IV.FDMO.HHZ. 2024-07-25T00:01:20.53 0.1 undecidable manual S 356 27.75 50 -0.16 94
IV.SMA1.EHZ. 2024-07-25T00:01:20.01 0.6 undecidable manual S 134 25.0527 50 0.03 49
IV.GAVE.EHZ. 2024-07-25T00:01:18.88 0.3 undecidable manual S 240 20.6682 116 0.31 69
IV.MMO1.EHZ. 2024-07-25T00:01:18.81 0.3 undecidable manual S 54 21.4674 115 -0.01 74
IV.TERO.HHZ. 2024-07-25T00:01:18.84 3.0 undecidable manual P -0.32 0
IV.LNSS.HNE. 2024-07-25T00:01:18.56 0.6 undecidable manual S 196 21.2676 115 -0.19 47
IV.CSP1.EHZ. 2024-07-25T00:01:17.73 0.6 undecidable manual P 12 34.6431 50 0.25 46
IV.FDMO.HHZ. 2024-07-25T00:01:16.47 0.1 undecidable manual P 356 27.75 50 0.05 97
IV.SMA1.EHZ. 2024-07-25T00:01:16.11 0.3 undecidable manual P 134 25.0527 50 0.1 72
IV.RM33.EHZ. 2024-07-25T00:01:16.88 0.3 undecidable manual P 165 31.9458 50 -0.18 70
IV.MMO1.EHZ. 2024-07-25T00:01:15.52 0.1 undecidable manual P 54 21.4674 115 0.18 95
IV.LNSS.HNE. 2024-07-25T00:01:15.54 0.1 undecidable manual P 196 21.2676 115 0.24 94
IV.NRCA.HHZ. 2024-07-25T00:01:14.29 0.1 undecidable manual S 2 5.1948 153 -0.24 97
IV.GAVE.EHZ. 2024-07-25T00:01:14.63 0.6 undecidable manual P 240 20.6682 116 -0.57 43
IV.NRCA.HHZ. 2024-07-25T00:01:13.06 0.1 undecidable manual P 2 5.1948 153 0.2 97
ZO.PDN11.EHN. 2024-07-25T00:01:13.85 0.3 undecidable manual S 118 0.6993 176 -0.25 73
ZO.PDN11.EHN. 2024-07-25T00:01:12.72 0.1 undecidable manual P 118 0.6993 176 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.00040100000000000004 0.16 AML other m 2024-07-25T00:01:14.37
IV.NRCA.HHE. ML:1.3 0.0003575 0.08 AML other m 2024-07-25T00:01:14.47
IV.NRCA.HNE. ML:1.3 0.00036141675 0.16 AML other m 2024-07-25T00:01:14.38
IV.NRCA.HNN. ML:1.2 0.0002824067 0.09 AML other m 2024-07-25T00:01:14.37
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