Earthquake with magnitude of ML 0.4 on date 06-10-2023 and time 12:28:31 (Italy) in region 2 km NW Norcia (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km NW Norcia (PG), on

  • 06-10-2023 10:28:31 (UTC)
  • 06-10-2023 12:28:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.0820 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 2 4957 4957
Preci PG 9 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 14 1075 10254
Visso MC 14 1107 11361
Poggiodomo PG 16 117 11478
Sellano PG 16 1079 12557
Ussita MC 16 444 13001
Arquata del Tronto AP 18 1178 14179
Vallo di Nera PG 18 364 14543
Accumoli RI 18 667 15210
Monteleone di Spoleto PG 20 599 15809

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
66 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 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 0.4 2023-10-06
10:28:31
42.805 13.0815 10 2023-10-06
10:37:11
Sala Sismica INGV-Roma 121817201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-06 10:28:31 ± 0.09
Latitude 42.8050 ± 0.0054
Longitude 13.0815 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121817201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 710
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 121817201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-06 10:37:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2023-10-06T10:30:01.44 3.0 undecidable manual Sn -2.53 0
IV.SELL.HHZ. 2023-10-06T10:29:59.16 3.0 undecidable manual Sn 3.98 0
IV.GRI.EHZ. 2023-10-06T10:29:58.37 3.0 undecidable manual Sn 1.71 0
CH.BERNI.HHZ. 2023-10-06T10:29:50.71 3.0 negative manual Pg 19.9 0
IV.CTI.HHZ. 2023-10-06T10:29:36.72 3.0 undecidable manual Pg 18.09 0
GU.GORR.HHZ. 2023-10-06T10:29:34.35 3.0 negative manual Pg 15.86 0
IV.ORI.HHZ. 2023-10-06T10:29:30.14 3.0 undecidable manual Sn -1.79 0
IV.PTRP.HHZ. 2023-10-06T10:29:28.00 3.0 undecidable manual Sg 9.51 0
IV.ALJA.HHZ. 2023-10-06T10:29:27.06 3.0 undecidable manual Pn 5.8 0
NI.PALA.HHZ. 2023-10-06T10:29:23.10 3.0 negative manual Pn 5.69 0
IV.SIRI.HHZ. 2023-10-06T10:29:21.24 3.0 undecidable manual Sn -1.54 0
IV.CPGN.EHZ. 2023-10-06T10:28:51.70 3.0 negative manual Pn 3.01 0
IV.RSM2.HHZ. 2023-10-06T10:28:49.59 3.0 undecidable manual Pn 0.11 0
IV.RM33.EHN. 2023-10-06T10:28:43.77 0.6 undecidable manual S 162 34.5432 50 0.06 48
IV.SMA1.EHZ. 2023-10-06T10:28:42.46 0.3 undecidable manual S 133 28.3494 50 0.43 68
IV.FDMO.HHZ. 2023-10-06T10:28:41.15 0.6 undecidable manual S 1 25.6521 50 -0.18 48
IV.CESI.HHZ. 2023-10-06T10:28:41.47 0.6 undecidable manual S 327 26.4513 50 -0.06 49
IV.LNSS.HNE. 2023-10-06T10:28:40.92 0.6 undecidable manual S 189 22.6551 114 0.49 45
IV.GAVE.EHN. 2023-10-06T10:28:39.94 0.3 undecidable manual S 231 19.7691 117 0.43 69
7F.SIB2.EHE. 2023-10-06T10:28:39.60 0.6 undecidable manual S 62 20.4684 116 -0.13 49
7F.SIB3.EHE. 2023-10-06T10:28:38.33 0.6 undecidable manual S 63 17.1717 121 -0.41 46
7F.SIB1.EHE. 2023-10-06T10:28:38.82 0.6 undecidable manual S 57 18.2706 119 -0.24 48
IV.RM33.EHN. 2023-10-06T10:28:38.24 0.3 undecidable manual P 162 34.5432 50 -0.44 67
IV.MC2.EHE. 2023-10-06T10:28:38.55 0.6 undecidable manual S 36 14.6742 125 0.55 45
IV.CESI.HHZ. 2023-10-06T10:28:37.77 0.3 negative manual P 327 26.4513 50 0.35 69
IV.SMA1.EHZ. 2023-10-06T10:28:37.91 0.1 undecidable manual P 133 28.3494 50 0.2 95
IV.CAMP.HHZ. 2023-10-06T10:28:37.12 3.0 undecidable manual Sn 0
7F.SIB2.EHE. 2023-10-06T10:28:36.19 0.1 undecidable manual P 62 20.4684 116 -0.19 97
7F.SIB3.EHE. 2023-10-06T10:28:36.07 0.1 undecidable manual P 63 17.1717 121 0.26 96
IV.FDMO.HHZ. 2023-10-06T10:28:36.72 1.0 positive manual P 1 25.6521 50 -0.59 22
IV.NRCA.HHZ. 2023-10-06T10:28:35.72 0.6 undecidable manual S 40 4.0959 158 0.11 51
IV.LNSS.HNE. 2023-10-06T10:28:35.98 0.1 undecidable manual P 189 22.6551 114 -0.81 80
7F.SIB1.EHE. 2023-10-06T10:28:35.95 0.1 undecidable manual P 57 18.2706 119 -0.05 100
IV.MC2.EHE. 2023-10-06T10:28:35.49 0.1 undecidable manual P 36 14.6742 125 0.1 99
IV.GAVE.EHN. 2023-10-06T10:28:35.91 0.1 undecidable manual P 231 19.7691 117 -0.34 94
IV.NRCA.HHZ. 2023-10-06T10:28:34.31 0.6 undecidable manual P 40 4.0959 158 0.31 49
IV.CAMP.HHZ. 2023-10-06T10:28:34.57 3.0 undecidable manual P 0
IV.SGG.HNZ. 2023-10-06T10:28:32.90 3.0 undecidable manual P 0.99 0
IV.FIAM.HHZ. 2023-10-06T10:28:31.13 3.0 undecidable manual P 1.22 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.6 0.0000153827545 0.0832 AML other m 2023-10-06T10:28:36.69
IV.CAMP.HHN. ML:0.6 0.000016638004999999996 0.224 AML other m 2023-10-06T10:28:37.53
IV.FDMO.HHE. ML:0.2 0.000010889495 0.2176 AML other m 2023-10-06T10:28:41.54
IV.FDMO.HHN. ML:0.2 0.0000087845865 0.1152 AML other m 2023-10-06T10:28:41.72
IV.CESI.HHE. ML:0.4 0.000016746015 0.6016 AML other m 2023-10-06T10:28:43.64
IV.CESI.HHN. ML:0.4 0.000015035064999999999 0.0768 AML other m 2023-10-06T10:28:42.13
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