Earthquake with magnitude of ML 1.3 on date 08-09-2023 and time 09:30:06 (UTC) in region 4 km NE Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km NE Norcia (PG), on

  • 08-09-2023 09:30:06 (UTC)
  • 08-09-2023 11:30:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8270, 13.1170 at 10 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 8 281 5238
Preci PG 9 724 5962
Visso MC 12 1107 7069
Ussita MC 13 444 7513
Cascia PG 15 3217 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Sellano PG 17 1079 14062
Montegallo AP 18 523 14585
Accumoli RI 18 667 15252
Montemonaco AP 19 604 15856
Poggiodomo PG 20 117 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km N 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 1.3 2023-09-08
09:30:06
42.827 13.1168 10 2023-09-08
09:37:02
Sala Sismica INGV-Roma 120873001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-08 09:30:06 ± 0.05
Latitude 42.8270 ± 0.0027
Longitude 13.1168 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120873001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 120873001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-08 09:37:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2023-09-08T09:31:12.64 3.0 positive manual Pn 15.33 0
IV.SPS2.HHZ. 2023-09-08T09:31:10.30 3.0 undecidable manual Pn 12.79 0
IV.ARRO.EHZ. 2023-09-08T09:31:06.68 3.0 undecidable manual Sg -1.38 0
GU.GBOS.HHZ. 2023-09-08T09:30:56.20 3.0 undecidable manual Sn -4.33 0
IV.RIBO.EHZ.01 2023-09-08T09:30:48.72 3.0 undecidable manual Sn -9.99 0
4P.IT02A.HHZ. 2023-09-08T09:30:43.71 3.0 undecidable manual Sn -0.25 0
IV.PCN.HNZ. 2023-09-08T09:30:37.86 3.0 undecidable manual Sg 0.67 0
OT.OT12.EHZ. 2023-09-08T09:30:28.34 3.0 positive manual Pn -1.69 0
GU.GSCL.HHZ. 2023-09-08T09:30:25.22 3.0 undecidable manual Sn -9.99 0
IV.CSP1.EHZ. 2023-09-08T09:30:17.02 0.1 undecidable manual S 14 30.2475 50 -0.11 96
IV.SMA1.EHZ. 2023-09-08T09:30:16.55 0.1 undecidable manual S 141 28.1496 50 -0.01 98
IV.FDMO.HHZ. 2023-09-08T09:30:15.14 0.1 undecidable manual S 354 23.3544 114 -0.14 96
IV.GAVE.EHZ. 2023-09-08T09:30:15.26 0.1 undecidable manual S 231 23.4543 114 -0.06 98
IV.LNSS.HHZ. 2023-09-08T09:30:15.79 0.1 undecidable manual S 194 25.6521 50 -0.11 97
IV.MMO1.EHZ. 2023-09-08T09:30:13.83 0.1 undecidable manual S 65 18.87 119 -0.05 99
IV.CSP1.EHZ. 2023-09-08T09:30:12.81 0.1 undecidable manual P 14 30.2475 50 0.21 94
IV.LNSS.HHZ. 2023-09-08T09:30:12.12 0.6 positive manual P 194 25.6521 50 0.23 47
IV.SMA1.EHZ. 2023-09-08T09:30:12.13 0.3 undecidable manual P 141 28.1496 50 -0.15 72
IV.FDMO.HHZ. 2023-09-08T09:30:11.60 0.3 positive manual P 354 23.3544 114 0.06 73
IV.GAVE.EHZ. 2023-09-08T09:30:11.69 0.6 negative manual P 231 23.4543 114 0.13 48
IV.MMO1.EHZ. 2023-09-08T09:30:10.90 0.6 undecidable manual P 65 18.87 119 0.17 48
IV.NRCA.HNZ. 2023-09-08T09:30:09.85 0.1 undecidable manual S 344 0.7992 176 -0.15 100
IV.NRCA.HNZ. 2023-09-08T09:30:08.73 0.1 negative manual P 344 0.7992 176 0.24 98
IV.CTI.HHZ. 2023-09-08T09:30:08.21 3.0 undecidable manual Sn -9.99 0
IV.ASSB.HHZ. 2023-09-08T09:30:03.15 3.0 undecidable manual Pn -2.5 0
ST.RONC.EHZ. 2023-09-08T09:29:49.34 3.0 negative manual Pn 2 0
ST.PANI.EHZ. 2023-09-08T09:29:49.08 3.0 undecidable manual P 2.86 0
OX.MARN.HHZ. 2023-09-08T09:29:49.19 3.0 negative manual Pn 1.92 0
IV.ZOVE.EHZ. 2023-09-08T09:29:49.42 3.0 undecidable manual P 1.71 0
CH.BERNI.HHZ. 2023-09-08T09:29:49.10 3.0 negative manual Pn 0.6 0
IV.SBPO.HNZ. 2023-09-08T09:29:48.53 3.0 negative manual Pn -1.51 0
NI.VINO.HHZ. 2023-09-08T09:29:48.05 3.0 positive manual P -0.1 0
SI.ABSI.HHZ. 2023-09-08T09:29:48.77 3.0 positive manual P 2.63 0
IV.CTI.HHZ. 2023-09-08T09:29:47.63 3.0 undecidable manual P 1.54 0
OX.CAE.HHZ. 2023-09-08T09:29:47.54 3.0 undecidable manual Pn 0.9 0
IV.PTCC.HHZ. 2023-09-08T09:29:46.26 3.0 undecidable manual Pn -2.07 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.0006789027 0.0704 AML other m 2023-09-08T09:30:10.08
IV.NRCA.HHN. ML:1.6 0.00077644855 0.0576 AML other m 2023-09-08T09:30:10.08
IV.NRCA.HNE. ML:1.9 0.0014077927 0.16 AML other m 2023-09-08T09:30:09.94
IV.NRCA.HHE. ML:1.9 0.001573619 0.16 AML other m 2023-09-08T09:30:09.94
IV.GAVE.EHN. ML:1.4 0.00015567924499999998 0.16 AML other m 2023-09-08T09:30:15.94
IV.GAVE.EHE. ML:1.1 0.000081724365 0.1984 AML other m 2023-09-08T09:30:18.02
IV.MMO1.EHE. ML:1.3 0.00015797130000000002 0.16 AML other m 2023-09-08T09:30:14.47
IV.MMO1.EHN. ML:1.3 0.00014461259999999998 0.0384 AML other m 2023-09-08T09:30:13.96
IV.FDMO.HHE. ML:0.9 0.0000542811 0.224 AML other m 2023-09-08T09:30:15.23
IV.FDMO.HHN. ML:1.0 0.00007168632 0.224 AML other m 2023-09-08T09:30:17.38
IV.LNSS.HHE. ML:1.2 0.00009174941000000001 0.1152 AML other m 2023-09-08T09:30:16.15
IV.LNSS.HHN. ML:1.2 0.00010025255 0.1152 AML other m 2023-09-08T09:30:16.54
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