Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 16-03-2024 and time 14:12:50 (Italy) in region 5 km S Norcia (PG)

A magnitude ML 0.3 earthquake occured in region: 5 km S Norcia (PG), on

  • 16-03-2024 13:12:50 (UTC)
  • 16-03-2024 14:12:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7490, 13.1020 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 5 4957 4957
Cascia PG 8 3217 8174
Accumoli RI 13 667 8841
Poggiodomo PG 14 117 8958
Cittareale RI 15 482 9440
Preci PG 15 724 10164
Arquata del Tronto AP 16 1178 11342
Monteleone di Spoleto PG 16 599 11941
Castelsantangelo sul Nera MC 17 281 12222
Cerreto di Spoleto PG 17 1075 13297
Vallo di Nera PG 20 364 13661

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SE of Foligno (57155 inhabitants)
43 Km E of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 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 0.3 2024-03-16
13:12:50		 42.7488 13.1022 11 2024-03-16
13:27:18		 Sala Sismica INGV-Roma 125918821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-16 13:12:50 ± 0.07
Latitude 42.7488 ± 0.0027
Longitude 13.1022 ± 0.0098
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 125918821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 750
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 13
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) 0.29408
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 125918821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-16 13:27:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.SCL3.EHZ.02 2024-03-16T13:13:22.15 3.0 negative manual Pn -0.62 0
IV.IMOL.HNZ. 2024-03-16T13:13:21.18 3.0 negative manual Pg 2.63 0
IV.SSFR.HHZ. 2024-03-16T13:13:14.27 3.0 undecidable manual S -1.52 0
IV.ARVD.HHZ. 2024-03-16T13:13:13.96 3.0 undecidable manual S -1.32 0
IV.FDMO.HHZ. 2024-03-16T13:13:01.34 0.6 undecidable manual S 358 31.9458 50 -0.36 45
IV.SMA1.EHN. 2024-03-16T13:12:59.28 0.3 undecidable manual S 125 23.0547 50 -0.06 73
IV.MC2.EHE. 2024-03-16T13:12:58.51 0.6 undecidable manual S 21 19.3695 50 0.16 47
IV.LNSS.HHZ. 2024-03-16T13:12:57.52 0.3 undecidable manual S 197 16.9719 123 -0.11 73
IV.FDMO.HHZ. 2024-03-16T13:12:57.05 0.6 positive manual P 358 31.9458 50 0.02 48
IV.CESI.HNZ. 2024-03-16T13:12:57.32 0.3 undecidable manual P 331 32.6451 50 0.18 71
IV.RM33.EHN. 2024-03-16T13:12:56.27 0.6 undecidable manual P 161 28.1496 50 -0.18 47
IV.MC2.EHE. 2024-03-16T13:12:55.20 0.3 undecidable manual P 21 19.3695 50 0.1 72
IV.SMA1.EHN. 2024-03-16T13:12:55.83 0.3 undecidable manual P 125 23.0547 50 0.16 72
IV.NRCA.HHZ. 2024-03-16T13:12:55.53 0.1 undecidable manual S 6 9.4794 139 -0.11 100
IV.LNSS.HHZ. 2024-03-16T13:12:54.88 0.3 undecidable manual P 197 16.9719 123 0.19 72
IV.NRCA.HHZ. 2024-03-16T13:12:53.70 0.1 undecidable manual P 6 9.4794 139 0.17 97
ZO.PDN11.EHN. 2024-03-16T13:12:52.68 0.3 undecidable manual P 21 4.1958 159 -0.29 73
IV.MF5.EHZ. 2024-03-16T13:12:51.10 3.0 negative manual P -1.34 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.6 0.0000447 0.14 AML other m 2024-03-16T13:12:55.58
IV.NRCA.HHE. ML:0.9 0.00010674999999999999 0.16 AML other m 2024-03-16T13:12:55.62
IV.LNSS.HHE. ML:0.2 0.000016394195 0.12 AML other m 2024-03-16T13:12:58.47
IV.LNSS.HHN. ML:0.2 0.000017206635 0.14 AML other m 2024-03-16T13:12:58.58
IV.FDMO.HHE. ML:0.0 0.000004028968 1.78 AML other m 2024-03-16T13:13:02.35
IV.FDMO.HHN. ML:0.0 0.000003267676 0.12 AML other m 2024-03-16T13:13:03.25
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