Earthquake with magnitude of ML 0.8 on date 22-09-2024 and time 23:45:26 (Italy) in region 4 km NE Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Norcia (PG), on

  • 22-09-2024 21:45:26 (UTC)
  • 22-09-2024 23:45:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8150, 13.1310 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 4 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Preci PG 10 724 5962
Visso MC 13 1107 7069
Cascia PG 14 3217 10286
Ussita MC 14 444 10730
Arquata del Tronto AP 14 1178 11908
Accumoli RI 16 667 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Sellano PG 19 1079 15252
Montemonaco AP 19 604 15856
Poggiodomo PG 20 117 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
99 Km NW 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 0.8 2024-09-22
21:45:26
42.8153 13.1312 11 2024-09-22
22:05:55
Sala Sismica INGV-Roma 131628821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-22 21:45:26 ± 0.09
Latitude 42.8153 ± 0.0054
Longitude 13.1312 ± 0.0086
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131628821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 550
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
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) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.41369
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 131628821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-22 22:05:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2024-09-22T21:45:41.76 0.6 undecidable manual S 303 45.9207 90 0.07 46
IV.TERO.HHZ. 2024-09-22T21:45:40.32 0.6 undecidable manual S 119 44.0226 90 -0.87 37
IV.MML1.EHZ. 2024-09-22T21:45:39.03 0.6 undecidable manual S 339 35.5422 90 0.12 47
IV.CESI.HHZ. 2024-09-22T21:45:36.59 0.6 undecidable manual S 319 27.9498 90 -0.3 45
IV.FDMO.HHZ. 2024-09-22T21:45:36.11 0.6 undecidable manual S 352 24.753 90 0.06 48
IV.LNSS.HHZ. 2024-09-22T21:45:35.79 0.6 undecidable manual S 197 24.6531 90 -0.24 46
IV.TERO.HHZ. 2024-09-22T21:45:35.26 1.0 undecidable manual P 119 44.0226 90 0.07 23
IV.ASSB.HHZ. 2024-09-22T21:45:35.32 0.1 undecidable manual P 303 45.9207 90 -0.15 90
IV.MMO1.EHZ. 2024-09-22T21:45:34.26 0.6 undecidable manual S 60 18.4704 90 -0.1 48
IV.MML1.EHZ. 2024-09-22T21:45:34.57 1.0 positive manual P 339 35.5422 90 0.7 20
IV.FDMO.HHZ. 2024-09-22T21:45:32.42 0.6 negative manual P 352 24.753 90 0.21 47
IV.LNSS.HHZ. 2024-09-22T21:45:32.37 0.1 undecidable manual P 197 24.6531 90 0.17 94
IV.CESI.HHZ. 2024-09-22T21:45:32.90 0.1 undecidable manual P 319 27.9498 90 0.2 93
IV.MC2.EHE. 2024-09-22T21:45:32.00 0.6 undecidable manual S 24 11.6772 110 -0.56 44
IV.MMO1.EHZ. 2024-09-22T21:45:31.41 0.3 positive manual P 60 18.4704 90 0.17 71
IV.MC2.EHE. 2024-09-22T21:45:30.48 0.1 undecidable manual P 24 11.6772 110 0.28 94
ZO.PDN11.EHN. 2024-09-22T21:45:29.27 0.1 undecidable manual P 194 3.5964 156 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:1.1 0.00009325 0.78 AML other m 2024-09-22T21:45:34.60
IV.MMO1.EHN. ML:0.9 0.00006220000000000001 1.42 AML other m 2024-09-22T21:45:35.73
IV.LNSS.HHN. ML:0.9 0.0000499 0.16 AML other m 2024-09-22T21:45:36.51
IV.FDMO.HHN. ML:0.5 0.00001935 0.28 AML other m 2024-09-22T21:45:36.57
IV.LNSS.HHE. ML:0.8 0.000032800000000000004 0.94 AML other m 2024-09-22T21:45:36.30
IV.FDMO.HHE. ML:0.4 0.000014030000000000001 0.8 AML other m 2024-09-22T21:45:37.41
IV.CESI.HHN. ML:1.0 0.00005305 0.34 AML other m 2024-09-22T21:45:37.54
IV.CESI.HHE. ML:0.8 0.000035449999999999994 0.36 AML other m 2024-09-22T21:45:37.62
IV.MML1.EHN. ML:0.6 0.000016899999999999997 0.26 AML other m 2024-09-22T21:45:39.61
IV.MML1.EHE. ML:0.7 0.00002045 0.58 AML other m 2024-09-22T21:45:40.01
IV.TERO.HHN. ML:0.5 0.000012199999999999998 0.56 AML other m 2024-09-22T21:45:41.36
IV.TERO.HHE. ML:0.7 0.000013700000000000001 1.62 AML other m 2024-09-22T21:45:41.08
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download