Earthquake with magnitude of ML 0.9 on date 19-07-2023 and time 14:04:49 (Italy) in region 1 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 1 km E Norcia (PG), on

  • 19-07-2023 12:04:49 (UTC)
  • 19-07-2023 14:04:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7950, 13.1090 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 1 4957 4957
Preci PG 11 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Visso MC 15 1107 10286
Arquata del Tronto AP 16 1178 11464
Cerreto di Spoleto PG 16 1075 12539
Accumoli RI 16 667 13206
Poggiodomo PG 17 117 13323
Ussita MC 17 444 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 20 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 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)
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 2023-07-19
12:04:49
42.7948 13.1087 11 2023-07-19
12:16:37
Sala Sismica INGV-Roma 119398101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-19 12:04:49 ± 0.07
Latitude 42.7948 ± 0.0045
Longitude 13.1087 ± 0.0086
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 119398101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 695
Semi-minor axis of confidence ellipse (meter) 424
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 119398101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-19 12:16:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2023-07-19T12:06:42.06 3.0 undecidable manual Sn 5.51 0
OX.CIMO.HHZ. 2023-07-19T12:06:34.21 3.0 undecidable manual Sg 6.86 0
IV.MRGE.HHZ. 2023-07-19T12:06:21.74 3.0 undecidable manual Pg 13.29 0
IV.ZEN8.EHZ. 2023-07-19T12:06:19.18 3.0 undecidable manual Sn -2.74 0
IV.MSRU.HHZ. 2023-07-19T12:06:15.94 3.0 undecidable manual Pg 12.96 0
AC.VLO.HHZ. 2023-07-19T12:06:11.04 3.0 positive manual Pn 2.17 0
MN.TRI.HHZ. 2023-07-19T12:06:09.99 3.0 undecidable manual Sn -2.62 0
GU.BURY.HHZ. 2023-07-19T12:06:07.07 3.0 negative manual Pg 13.52 0
GU.GSCL.HHZ. 2023-07-19T12:06:01.14 3.0 undecidable manual Sn 1.36 0
GU.CARD.HHZ. 2023-07-19T12:05:59.96 3.0 undecidable manual Sg 3.23 0
GU.IMI.HHZ. 2023-07-19T12:05:59.54 3.0 negative manual Pg 8.85 0
SL.LJU.BHZ. 2023-07-19T12:05:47.72 3.0 undecidable manual Pg 5.19 0
IV.SGG.HHZ. 2023-07-19T12:05:38.34 3.0 undecidable manual Sn -3.73 0
IV.SGO.HHZ. 2023-07-19T12:05:37.52 3.0 undecidable manual Pg 3.54 0
IV.RIBO.EHZ.01 2023-07-19T12:05:37.60 3.0 undecidable manual Sg -0.93 0
IV.BDI.HHZ. 2023-07-19T12:05:31.80 3.0 undecidable manual Pg 5.05 0
IV.ATFO.HHZ. 2023-07-19T12:05:10.32 3.0 undecidable manual S -4.73 0
IV.PTQR.HHZ. 2023-07-19T12:05:01.97 3.0 undecidable manual P -3.95 0
IV.FDMO.HHZ. 2023-07-19T12:04:59.17 0.3 undecidable manual S 356 26.8509 50 -0.27 69
IV.LNSS.HHZ. 2023-07-19T12:04:58.11 0.3 undecidable manual S 195 22.0668 50 -0.05 73
IV.TERO.HHZ. 2023-07-19T12:04:58.06 1.0 negative manual P 115 44.622 50 -0.04 23
IV.RM33.EHZ. 2023-07-19T12:04:56.36 1.0 undecidable manual P 165 32.8449 50 0.07 24
IV.MC2.EHZ. 2023-07-19T12:04:56.44 0.3 undecidable manual S 27 14.4744 127 0.39 69
7F.SIB1.EHZ. 2023-07-19T12:04:56.83 0.3 undecidable manual S 50 17.1717 122 0 74
7F.SIB3.EHZ. 2023-07-19T12:04:56.19 0.3 undecidable manual S 56 15.873 124 -0.25 71
IV.CESI.HHN. 2023-07-19T12:04:55.80 0.1 undecidable manual P 325 28.5492 50 0.17 94
IV.FDMO.HHZ. 2023-07-19T12:04:55.26 0.3 undecidable manual P 356 26.8509 50 -0.1 72
IV.LNSS.HHZ. 2023-07-19T12:04:54.64 0.3 undecidable manual P 195 22.0668 50 0.03 73
IV.NRCA.HHZ. 2023-07-19T12:04:53.53 0.1 undecidable manual S 6 4.2957 158 -0.3 95
7F.SIB3.EHZ. 2023-07-19T12:04:53.63 0.1 undecidable manual P 56 15.873 124 0 99
IV.MC2.EHZ. 2023-07-19T12:04:53.60 0.3 undecidable manual P 27 14.4744 127 0.2 72
7F.SIB1.EHZ. 2023-07-19T12:04:53.94 0.3 undecidable manual P 50 17.1717 122 0.1 73
IV.NRCA.HHZ. 2023-07-19T12:04:52.17 0.1 undecidable manual P 6 4.2957 158 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.000637 0.08 AML other m 2023-07-19T12:04:53.62
IV.NRCA.HHE. ML:1.4 0.00042449999999999996 0.18 AML other m 2023-07-19T12:04:53.72
IV.LNSS.HHN. ML:0.8 0.0000413 0.18 AML other m 2023-07-19T12:04:58.87
IV.FDMO.HHN. ML:0.4 0.0000141 0.3 AML other m 2023-07-19T12:04:59.36
IV.LNSS.HHE. ML:0.8 0.00004514999999999999 0.98 AML other m 2023-07-19T12:04:59.82
IV.FDMO.HHE. ML:0.6 0.0000191 1.06 AML other m 2023-07-19T12:04:59.37
IV.CAMP.HHN. ML:1.0 0.00003795 0.44 AML other m 2023-07-19T12:05:06.48
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