Earthquake with magnitude of ML 1.5 on date 29-11-2023 and time 03:27:36 (Italy) in region 1 km NE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 1 km NE Norcia (PG), on

  • 29-11-2023 02:27:36 (UTC)
  • 29-11-2023 03:27:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.0990 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.

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 1 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 15 1107 10286
Cerreto di Spoleto PG 15 1075 11361
Ussita MC 16 444 11805
Arquata del Tronto AP 17 1178 12983
Poggiodomo PG 17 117 13100
Accumoli RI 17 667 13767
Sellano PG 17 1079 14846
Vallo di Nera PG 20 364 15210
Montegallo AP 20 523 15733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
99 Km W of Pescara (121014 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 2023-11-29
02:27:36
42.8015 13.0993 10 2023-11-29
02:50:01
Sala Sismica INGV-Roma 123548711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-29 02:27:36 ± 0.07
Latitude 42.8015 ± 0.0036
Longitude 13.0993 ± 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 123548711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41099
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 123548711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-29 02:50:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VAGA.HNZ. 2023-11-29T02:28:05.15 3.0 undecidable manual Pg 0.11 0
IV.CERA.HNZ. 2023-11-29T02:28:03.23 3.0 undecidable manual Pg 1.48 0
IV.SFI.EHZ. 2023-11-29T02:27:57.50 3.0 negative manual Pn -4.01 0
IV.SACS.HHZ. 2023-11-29T02:27:52.72 3.0 undecidable manual Pg -0.28 0
IV.TERO.HHZ. 2023-11-29T02:27:50.86 0.1 undecidable manual S 116 45.621 50 -0.16 93
IV.ASSB.HHZ. 2023-11-29T02:27:50.89 0.1 undecidable manual S 307 44.7219 50 0.14 94
IV.MF5.EHZ. 2023-11-29T02:27:49.04 0.3 undecidable manual S 55 35.8419 50 0.64 63
IV.SMA1.EHZ. 2023-11-29T02:27:46.44 0.1 undecidable manual S 135 27.0507 50 0.4 92
IV.CESI.HHZ. 2023-11-29T02:27:46.18 0.1 undecidable manual S 325 27.5502 50 0 99
IV.FDMO.HHZ. 2023-11-29T02:27:45.41 0.1 undecidable manual S 358 26.0517 50 -0.38 92
IV.TERO.HHZ. 2023-11-29T02:27:44.35 0.1 undecidable manual P 116 45.621 50 -0.41 88
IV.LNSS.HHZ. 2023-11-29T02:27:44.70 0.1 undecidable manual S 192 22.5552 115 -0.12 98
IV.ASSB.HHZ. 2023-11-29T02:27:44.83 0.6 undecidable manual P 307 44.7219 50 0.22 46
IV.MMO1.EHZ. 2023-11-29T02:27:44.37 0.1 undecidable manual S 60 21.4674 116 -0.1 98
IV.MF5.EHZ. 2023-11-29T02:27:43.50 1.0 undecidable manual P 55 35.8419 50 0.25 23
IV.SNTG.HHZ. 2023-11-29T02:27:43.82 3.0 undecidable manual P -1.74 0
IV.CSP1.EHZ. 2023-11-29T02:27:42.77 0.1 undecidable manual P 15 33.3444 50 -0.09 97
IV.CESI.HHZ. 2023-11-29T02:27:42.09 1.0 undecidable manual P 325 27.5502 50 0.12 24
IV.FDMO.HHZ. 2023-11-29T02:27:41.64 0.3 positive manual P 358 26.0517 50 -0.1 73
IV.LNSS.HHZ. 2023-11-29T02:27:41.11 0.1 positive manual P 192 22.5552 115 -0.07 99
IV.SMA1.EHZ. 2023-11-29T02:27:41.97 1.0 undecidable manual P 135 27.0507 50 0.08 24
IV.MMO1.EHZ. 2023-11-29T02:27:40.74 0.1 undecidable manual P 60 21.4674 116 -0.24 96
IV.NRCA.HHZ. 2023-11-29T02:27:40.20 0.1 undecidable manual S 19 3.7962 160 0.17 100
IV.NRCA.HHZ. 2023-11-29T02:27:38.69 0.1 undecidable manual P 19 3.7962 160 0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.000447 0.44 AML other m 2023-11-29T02:27:40.52
IV.NRCA.HHE. ML:1.5 0.0005769999999999999 0.2 AML other m 2023-11-29T02:27:40.34
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