Earthquake with magnitude of ML 0.9 on date 24-07-2023 and time 14:43:23 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km NE Norcia (PG), on

  • 24-07-2023 12:43:23 (UTC)
  • 24-07-2023 14:43:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8110, 13.1160 at 9 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 3 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 15 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 18 1079 14729
Montegallo AP 18 523 15252
Poggiodomo PG 18 117 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 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 0.9 2023-07-24
12:43:23
42.8107 13.1157 9 2023-07-24
13:11:40
Sala Sismica INGV-Roma 119536471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-24 12:43:23 ± 0.07
Latitude 42.8107 ± 0.0027
Longitude 13.1157 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119536471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 24
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) 0.30757
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 119536471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-24 13:11:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAVT.HHZ. 2023-07-24T12:44:37.84 3.0 positive manual Pg 19.48 0
ST.OZOL.EHZ. 2023-07-24T12:44:24.81 3.0 undecidable manual Sg 7.4 0
OX.AGOR.HHZ. 2023-07-24T12:44:13.90 3.0 undecidable manual Sn 1.72 0
OX.MPRI.HHZ. 2023-07-24T12:44:12.46 3.0 undecidable manual Sn -0.43 0
IV.BULT.EHZ. 2023-07-24T12:43:58.05 3.0 undecidable manual Pg 8.14 0
IV.T0110.HHZ. 2023-07-24T12:43:56.64 3.0 undecidable manual S 0
IV.T0110.HHZ. 2023-07-24T12:43:50.23 3.0 undecidable manual P 0
ST.GAGG.HHZ. 2023-07-24T12:43:43.39 3.0 undecidable manual Pg 7.46 0
IV.MF5.EHZ. 2023-07-24T12:43:35.68 0.3 undecidable manual S 55 34.1436 50 0.16 70
IV.CESI.HNZ. 2023-07-24T12:43:33.25 0.3 undecidable manual S 322 27.5502 107 -0.15 71
IV.LNSS.HHZ. 2023-07-24T12:43:32.10 0.3 undecidable manual S 195 23.8539 110 -0.08 73
IV.GAVE.EHN. 2023-07-24T12:43:31.74 0.3 undecidable manual S 234 22.3554 111 0.06 73
IT.MTCL.HGE. 2023-07-24T12:43:31.44 0.6 undecidable manual S 335 22.4553 111 -0.28 47
IV.MTRA.EHE. 2023-07-24T12:43:31.86 0.3 undecidable manual S 105 23.6541 110 -0.25 70
IV.MF5.EHZ. 2023-07-24T12:43:30.54 0.6 undecidable manual P 55 34.1436 50 0.15 47
IV.MC2.EHN. 2023-07-24T12:43:29.19 0.6 undecidable manual S 28 12.6762 124 0.5 45
7F.SIB2.EHE. 2023-07-24T12:43:29.98 0.3 undecidable manual S 60 17.6712 116 -0.23 71
7F.SIB3.EHE. 2023-07-24T12:43:29.03 0.3 undecidable manual S 60 14.4744 121 -0.18 72
IV.SMA1.EHN. 2023-07-24T12:43:29.53 1.0 undecidable manual P 138 26.8509 108 0.5 22
7F.SIB1.EHE. 2023-07-24T12:43:29.65 0.6 undecidable manual S 53 15.6732 119 0.07 49
IV.LNSS.HHZ. 2023-07-24T12:43:28.54 0.6 undecidable manual P 195 23.8539 110 0.08 49
IV.MTRA.EHE. 2023-07-24T12:43:28.22 0.1 undecidable manual P 105 23.6541 110 -0.2 95
IV.GAVE.EHN. 2023-07-24T12:43:28.20 0.6 undecidable manual P 234 22.3554 111 0.02 49
IV.CESI.HNZ. 2023-07-24T12:43:28.98 0.1 undecidable manual P 322 27.5502 107 -0.19 94
IT.MTCL.HGE. 2023-07-24T12:43:28.08 0.1 undecidable manual P 335 22.4553 111 -0.12 97
7F.SIB1.EHE. 2023-07-24T12:43:27.12 0.6 undecidable manual P 53 15.6732 119 0.16 48
IV.MMO1.EHE. 2023-07-24T12:43:27.86 0.6 undecidable manual P 60 19.7691 113 0.15 48
7F.SIB2.EHE. 2023-07-24T12:43:27.24 0.1 undecidable manual P 60 17.6712 116 -0.09 98
IV.MC2.EHN. 2023-07-24T12:43:26.66 0.1 undecidable manual P 28 12.6762 124 0.21 96
IV.NRCA.HHZ. 2023-07-24T12:43:26.58 0.3 undecidable manual S 357 2.5974 163 0.09 75
7F.SIB3.EHE. 2023-07-24T12:43:26.76 0.1 undecidable manual P 60 14.4744 121 0.01 100
IV.NRCA.HHZ. 2023-07-24T12:43:25.46 0.1 undecidable manual P 357 2.5974 163 0.28 96
IV.OSSC.HHZ. 2023-07-24T12:43:15.98 3.0 undecidable manual S 0.87 0
IV.RIBO.EHZ.01 2023-07-24T12:43:10.35 3.0 undecidable manual P -0.36 0
IV.IMOL.HNZ. 2023-07-24T12:43:09.64 3.0 positive manual P -0.71 0
IV.ATPI.EHZ. 2023-07-24T12:42:57.79 3.0 negative manual P 0.87 0
IV.ATMI.HHZ. 2023-07-24T12:42:57.15 3.0 positive manual P 0.9 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.0011504705 0.1408 AML other m 2023-07-24T12:43:26.64
IV.NRCA.HNE. ML:0.0 0.0015168025 0.1408 AML other m 2023-07-24T12:43:26.71
IV.NRCA.HNN. ML:0.0 0.0008931309000000001 0.1536 AML other m 2023-07-24T12:43:26.64
IV.LNSS.HHE. ML:0.9 0.000048727259999999994 0.16 AML other m 2023-07-24T12:43:33.58
IV.LNSS.HHN. ML:0.9 0.00005429808 0.16 AML other m 2023-07-24T12:43:32.60
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