Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-01-2024 and time 04:56:13 (Italy) in region 8 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 8 km E Norcia (PG), on

  • 16-01-2024 03:56:13 (UTC)
  • 16-01-2024 04:56:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8090, 13.1880 at 11 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 8 4957 4957
Arquata del Tronto AP 10 1178 6135
Castelsantangelo sul Nera MC 10 281 6416
Montegallo AP 13 523 6939
Accumoli RI 14 667 7606
Preci PG 14 724 8330
Montemonaco AP 15 604 8934
Ussita MC 16 444 9378
Visso MC 16 1107 10485
Cascia PG 17 3217 13702
Acquasanta Terme AP 19 2916 16618
Montefortino FM 20 1178 17796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km S of Ancona (100861 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
99 Km NE 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 1.5 2024-01-16
03:56:13		 42.8092 13.1883 11 2024-01-16
05:25:13		 Sala Sismica INGV-Roma 124671711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-16 03:56:13 ± 0.06
Latitude 42.8092 ± 0.0036
Longitude 13.1883 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124671711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.39031
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:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 124671711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-16 05:25:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2024-01-16T03:56:25.01 0.6 undecidable manual S 313 31.6461 50 0.04 50
IV.LNSS.HHZ. 2024-01-16T03:56:23.57 0.6 undecidable manual S 208 25.8519 50 0.14 49
IV.GAVE.EHZ. 2024-01-16T03:56:23.90 0.6 undecidable manual S 242 27.2505 50 0.11 49
IV.SMA1.EHZ. 2024-01-16T03:56:22.55 0.6 undecidable manual S 149 23.1546 50 -0.15 49
IV.MNTT.EHZ. 2024-01-16T03:56:22.82 0.6 undecidable manual P 50 43.3233 50 0.69 41
IV.TERO.HHZ. 2024-01-16T03:56:21.30 1.0 positive manual P 121 39.7269 50 -0.26 23
IV.MML1.EHZ. 2024-01-16T03:56:21.12 0.1 undecidable manual P 333 38.0286 50 -0.19 95
IV.MMO1.EHZ. 2024-01-16T03:56:20.27 0.6 undecidable manual S 48 15.0738 125 -0.13 50
IV.CESI.HHZ. 2024-01-16T03:56:20.15 0.3 positive manual P 313 31.6461 50 -0.18 72
IV.MF5.EHZ. 2024-01-16T03:56:20.27 0.6 negative manual P 48 29.6481 50 0.25 48
IV.CSP1.EHZ. 2024-01-16T03:56:20.11 1.0 positive manual P 2 31.3464 50 -0.17 24
IV.RM33.EHZ. 2024-01-16T03:56:20.62 1.0 undecidable manual P 176 33.3444 50 0.03 25
IV.GAVE.EHZ. 2024-01-16T03:56:19.71 0.6 positive manual P 242 27.2505 50 0.06 50
IV.LNSS.HHZ. 2024-01-16T03:56:19.38 0.1 undecidable manual P 208 25.8519 50 -0.05 100
IV.NRCA.HHZ. 2024-01-16T03:56:18.44 0.6 undecidable manual S 294 6.5934 148 0.09 51
IV.SMA1.EHZ. 2024-01-16T03:56:18.91 0.6 undecidable manual P 149 23.1546 50 -0.1 50
IV.MMO1.EHZ. 2024-01-16T03:56:17.66 0.6 undecidable manual P 48 15.0738 125 -0.03 51
IV.NRCA.HHZ. 2024-01-16T03:56:16.67 1.0 undecidable manual P 294 6.5934 148 0.16 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.6 0.0005975 0.18 AML other m 2024-01-16T03:56:18.68
IV.NRCA.HNE. ML:1.6 0.000601 0.18 AML other m 2024-01-16T03:56:18.68
IV.NRCA.HHN. ML:1.5 0.000504 1.12 AML other m 2024-01-16T03:56:19.13
IV.NRCA.HNN. ML:1.6 0.0005695 1.12 AML other m 2024-01-16T03:56:19.13
IV.MMO1.EHN. ML:1.2 0.000134 0.2 AML other m 2024-01-16T03:56:20.32
IV.MMO1.EHE. ML:1.4 0.00022399999999999997 0.14 AML other m 2024-01-16T03:56:20.43
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