Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 17-09-2024 and time 21:50:55 (UTC) in region 2 km W Nocera Umbra (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km W Nocera Umbra (PG), on

  • 17-09-2024 21:50:55 (UTC)
  • 17-09-2024 23:50:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 12.7710 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
Nocera Umbra PG 2 5839 5839
Valtopina PG 6 1398 7237
Gualdo Tadino PG 13 15208 22445
Assisi PG 14 28299 50744
Valfabbrica PG 15 3389 54133
Sefro MC 15 422 54555
Fiuminata MC 16 1402 55957
Serravalle di Chienti MC 16 1070 57027
Spello PG 16 8645 65672
Foligno PG 19 57155 122827
Bastia Umbra PG 19 21874 144701
Pioraco MC 19 1134 145835
Fossato di Vico PG 20 2840 148675

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NE of Foligno (57155 inhabitants)
31 Km E of Perugia (166134 inhabitants)
63 Km N of Terni (111501 inhabitants)
82 Km E of Arezzo (99543 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
83 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
92 Km NW of Teramo (54892 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
99 Km NW of L'Aquila (69753 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 1.1 2024-09-17
21:50:55		 43.1162 12.7708 11 2024-09-17
21:58:58		 Sala Sismica INGV-Roma 131528351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-17 21:50:55 ± 0.02
Latitude 43.1162 ± 0.0018
Longitude 12.7708 ± 0.0025
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 131528351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 225
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.10972
Epicentral distance of station farthest from the epicenter (degree) 0.45326
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 131528351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-17 21:58:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2024-09-17T21:51:04.53 0.3 undecidable manual P 338 50.3163 50 0.06 93
IV.FRON.EHZ. 2024-09-17T21:51:03.38 0.3 undecidable manual P 355 44.7219 50 -0.23 91
IV.FOSV.HNZ. 2024-09-17T21:51:03.11 0.3 undecidable manual S 358 19.869 50 0.03 99
IV.NRCA.HHZ. 2024-09-17T21:51:03.19 0.3 undecidable manual P 138 41.9247 50 0 96
IV.CSP1.EHZ. 2024-09-17T21:51:02.27 0.3 undecidable manual P 94 35.2425 50 0.12 94
IV.SSFR.HHZ. 2024-09-17T21:51:02.17 0.3 undecidable manual P 1 35.5422 50 -0.03 96
IV.MOMA.HHZ. 2024-09-17T21:51:02.73 0.3 undecidable manual P 205 38.3283 50 0.1 94
IV.MML1.EHZ. 2024-09-17T21:51:02.06 0.3 undecidable manual S 91 16.2726 124 0.01 100
IV.CESI.HHZ. 2024-09-17T21:51:01.97 0.3 undecidable manual S 139 16.4724 123 -0.13 97
IV.TSM1.DHZ.01 2024-09-17T21:51:01.07 0.3 undecidable manual P 331 29.0487 50 -0.13 95
IV.ATCC.EHZ. 2024-09-17T21:51:01.19 0.3 undecidable manual S 306 13.0758 130 0.03 100
IV.MURB.HHZ. 2024-09-17T21:51:00.78 0.3 undecidable manual P 309 25.752 50 0.09 97
IV.ASSB.HHZ. 2024-09-17T21:51:00.77 0.3 undecidable manual S 228 12.1767 132 -0.16 97
IV.FDMO.HHZ. 2024-09-17T21:51:00.94 0.3 undecidable manual P 109 27.1506 50 0.03 97
IT.MTCL.HGZ. 2024-09-17T21:51:00.24 0.3 undecidable manual P 126 22.9548 50 -0.02 98
IV.MML1.EHZ. 2024-09-17T21:50:59.30 0.3 undecidable manual P 91 16.2726 124 0.11 98
IV.CESI.HHZ. 2024-09-17T21:50:59.24 0.3 undecidable manual P 139 16.4724 123 0.03 99
IV.FOSV.HNZ. 2024-09-17T21:50:59.70 0.3 undecidable manual P 358 19.869 50 -0.08 98
IV.SNTG.HHZ. 2024-09-17T21:50:59.87 0.3 undecidable manual P 42 20.6682 50 -0.04 98
IV.ATCC.EHZ. 2024-09-17T21:50:58.82 0.3 undecidable manual P 306 13.0758 130 0.15 98
IV.ASSB.HHZ. 2024-09-17T21:50:58.64 0.3 undecidable manual P 228 12.1767 132 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.2 0.000177 0.56 AML other m 2024-09-17T21:51:01.71
IV.ATCC.EHE. ML:1.4 0.0002745 0.24 AML other m 2024-09-17T21:51:01.43
IV.ATCC.EHN. ML:1.2 0.0001595 0.42 AML other m 2024-09-17T21:51:01.42
IV.ASSB.HHE. ML:1.1 0.00014850000000000003 0.54 AML other m 2024-09-17T21:51:01.41
IV.CESI.HHE. ML:1.2 0.00014 0.1 AML other m 2024-09-17T21:51:02.51
IV.CESI.HHN. ML:1.3 0.000187 0.32 AML other m 2024-09-17T21:51:02.41
IV.MURB.HHE. ML:1.4 0.0001482 0.32 AML other m 2024-09-17T21:51:05.59
IV.MURB.HHN. ML:1.3 0.000111998545 0.18 AML other m 2024-09-17T21:51:05.80
IV.MML1.EHE. ML:0.8 0.00006240936 0.16 AML other m 2024-09-17T21:51:02.25
IV.MML1.EHN. ML:0.8 0.000060549544999999997 0.12 AML other m 2024-09-17T21:51:02.41
IV.SNTG.HHE. ML:0.9 0.000057209584999999994 0.14 AML other m 2024-09-17T21:51:03.61
IV.SNTG.HHN. ML:0.8 0.000049770005 0.06 AML other m 2024-09-17T21:51:03.47
IV.FDMO.HHE. ML:0.9 0.000037625405 0.1 AML other m 2024-09-17T21:51:05.32
IV.FDMO.HHN. ML:1.0 0.00005962674 0.18 AML other m 2024-09-17T21:51:05.31
IV.NRCA.HHE. ML:1.2 0.000052774879999999994 0.16 AML other m 2024-09-17T21:51:09.74
IV.NRCA.HHN. ML:1.3 0.00006950396 0.08 AML other m 2024-09-17T21:51:09.82
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download