Earthquake with magnitude of ML 1.0 on date 29-11-2023 and time 20:34:19 (UTC) in region 5 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km E Norcia (PG), on

  • 29-11-2023 20:34:19 (UTC)
  • 29-11-2023 21:34:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1520 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.

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
Castelsantangelo sul Nera MC 12 281 5238
Arquata del Tronto AP 12 1178 6416
Accumoli RI 13 667 7083
Preci PG 13 724 7807
Cascia PG 14 3217 11024
Montegallo AP 16 523 11547
Visso MC 16 1107 12654
Ussita MC 17 444 13098
Montemonaco AP 19 604 13702
Cittareale RI 19 482 14184
Cerreto di Spoleto PG 19 1075 15259
Poggiodomo PG 20 117 15376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 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 1.0 2023-11-29
20:34:19
42.7918 13.1525 11 2023-11-29
21:52:09
Sala Sismica INGV-Roma 123566371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-29 20:34:19 ± 0.07
Latitude 42.7918 ± 0.0045
Longitude 13.1525 ± 0.0074
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 123566371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 122
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 123566371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-29 21:52:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-11-29T20:34:31.01 0.6 undecidable manual S 7 33.5442 50 0.1 48
IV.FDMO.HHE. 2023-11-29T20:34:29.06 0.6 undecidable manual S 349 27.6501 50 -0.27 46
IV.MMO1.EHZ. 2023-11-29T20:34:27.01 0.6 undecidable manual S 50 18.5703 120 0.21 48
IV.LNSS.HHZ. 2023-11-29T20:34:27.91 0.6 undecidable manual S 204 22.8549 50 -0.15 48
7F.SIB2.EHZ. 2023-11-29T20:34:25.84 0.6 undecidable manual S 48 16.4724 123 -0.36 46
7F.SIB1.EHN. 2023-11-29T20:34:25.52 0.6 undecidable manual S 40 14.874 126 -0.21 48
IV.FDMO.HHE. 2023-11-29T20:34:25.22 0.1 undecidable manual P 349 27.6501 50 0.09 96
IV.CSP1.EHZ. 2023-11-29T20:34:25.78 1.0 positive manual P 7 33.5442 50 -0.26 23
IV.MC2.EHE. 2023-11-29T20:34:25.57 0.6 undecidable manual S 13 13.5753 128 0.19 48
IV.SMA1.EHZ. 2023-11-29T20:34:24.85 1.0 undecidable manual P 140 23.2545 50 0.4 23
IV.LNSS.HHZ. 2023-11-29T20:34:24.33 1.0 negative manual P 204 22.8549 50 -0.06 24
IV.NRCA.HHZ. 2023-11-29T20:34:23.28 0.6 undecidable manual S 326 5.5944 152 -0.27 48
7F.SIB1.EHN. 2023-11-29T20:34:23.13 0.1 undecidable manual P 40 14.874 126 0.08 99
IV.MC2.EHE. 2023-11-29T20:34:23.05 0.1 undecidable manual P 13 13.5753 128 0.2 97
7F.SIB2.EHZ. 2023-11-29T20:34:23.21 0.1 undecidable manual P 48 16.4724 123 -0.11 98
IV.MMO1.EHZ. 2023-11-29T20:34:23.60 0.6 undecidable manual P 50 18.5703 120 -0.07 49
IV.NRCA.HHZ. 2023-11-29T20:34:21.89 0.1 negative manual P 326 5.5944 152 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00014250000000000002 0.14 AML other m 2023-11-29T20:34:23.39
IV.NRCA.HHE. ML:0.9 0.000135 0.46 AML other m 2023-11-29T20:34:23.69
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