Earthquake with magnitude of ML 1.2 on date 02-07-2023 and time 15:52:09 (Italy) in region 8 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 8 km E Norcia (PG), on

  • 02-07-2023 13:52:09 (UTC)
  • 02-07-2023 15:52:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7970, 13.1880 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 8 4957 4957
Arquata del Tronto AP 9 1178 6135
Castelsantangelo sul Nera MC 11 281 6416
Accumoli RI 12 667 7083
Montegallo AP 13 523 7606
Preci PG 15 724 8330
Montemonaco AP 16 604 8934
Cascia PG 17 3217 12151
Ussita MC 17 444 12595
Visso MC 17 1107 13702
Acquasanta Terme AP 18 2916 16618
Cittareale RI 20 482 17100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
98 Km E of Viterbo (67173 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 1.2 2023-07-02
13:52:09
42.7972 13.1883 9 2023-07-02
14:14:06
Sala Sismica INGV-Roma 118905231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-02 13:52:09 ± 0.05
Latitude 42.7972 ± 0.0027
Longitude 13.1883 ± 0.0049
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 118905231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 322
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 118905231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-02 14:14:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZEN8.EHZ. 2023-07-02T13:53:50.20 3.0 undecidable manual Sg 5.85 0
GU.RORO.HHZ. 2023-07-02T13:53:49.21 3.0 undecidable manual Sn -0.72 0
IY.CIRK.HHZ.00 2023-07-02T13:53:45.79 3.0 undecidable manual Sn -6.52 0
IV.VOBA.EHZ. 2023-07-02T13:53:43.04 3.0 undecidable manual Sn -3.15 0
AC.SRN.HHZ. 2023-07-02T13:53:38.02 3.0 negative manual Pg 13.76 0
CH.BNALP.HHZ. 2023-07-02T13:53:36.13 3.0 negative manual Pg 13.05 0
GU.GSCL.HHZ. 2023-07-02T13:53:28.53 3.0 undecidable manual Sg 9.75 0
GU.GRAM.HHZ. 2023-07-02T13:53:20.99 3.0 undecidable manual Sn -6.35 0
GU.MGRO.HHZ. 2023-07-02T13:53:14.34 3.0 negative manual Pg 12.09 0
IX.SCL3.EHZ.02 2023-07-02T13:53:12.04 3.0 undecidable manual Sg 2.56 0
IV.PTCC.HHZ. 2023-07-02T13:53:12.50 3.0 undecidable manual Pg 9.25 0
ST.PANI.EHZ. 2023-07-02T13:53:10.47 3.0 negative manual Pg 10.01 0
OX.MPRI.HHZ. 2023-07-02T13:53:08.49 3.0 undecidable manual Pg 7.68 0
GU.CANO.HHZ. 2023-07-02T13:52:56.62 3.0 undecidable manual Pn -2.89 0
IV.ZEN8.EHZ. 2023-07-02T13:52:55.94 3.0 undecidable manual Pn -1.31 0
IV.SFI.EHZ. 2023-07-02T13:52:50.58 3.0 undecidable manual Sn -7.21 0
IV.PTRP.HHZ. 2023-07-02T13:52:49.85 3.0 undecidable manual Pg 6.15 0
IV.MURB.HHZ. 2023-07-02T13:52:23.03 3.0 negative manual Pg 2.54 0
IV.MML1.EHZ. 2023-07-02T13:52:23.16 0.3 undecidable manual S 333 39.2274 50 0.3 67
IV.CSP1.EHZ. 2023-07-02T13:52:21.12 0.3 undecidable manual S 2 32.745 50 0.01 73
IV.RM33.EHZ. 2023-07-02T13:52:20.40 0.3 undecidable manual S 176 32.0457 50 -0.53 65
IV.FDMO.HHZ. 2023-07-02T13:52:20.02 0.6 undecidable manual S 343 27.8499 108 0.38 45
IV.LNSS.HHZ. 2023-07-02T13:52:19.01 0.3 undecidable manual S 209 24.6531 110 0.39 68
IV.GIGS.HHZ. 2023-07-02T13:52:18.71 3.0 undecidable manual S -0.88 0
IV.SMA1.EHZ. 2023-07-02T13:52:17.76 0.3 undecidable manual S 147 22.0668 113 0 74
IV.MML1.EHZ. 2023-07-02T13:52:17.16 0.1 undecidable manual P 333 39.2274 50 -0.05 95
IV.MTRA.HNE. 2023-07-02T13:52:16.66 0.3 undecidable manual S 105 17.5713 118 0.31 70
IV.CSP1.EHZ. 2023-07-02T13:52:16.12 0.1 undecidable manual P 2 32.745 50 -0.08 95
IV.GUMA.HHZ. 2023-07-02T13:52:16.24 0.1 undecidable manual P 22 31.746 50 0.18 93
IV.RM33.EHZ. 2023-07-02T13:52:15.92 0.1 undecidable manual P 176 32.0457 50 -0.17 94
IV.MMO1.EHZ. 2023-07-02T13:52:15.74 0.1 undecidable manual S 45 15.9729 120 -0.14 97
IV.FDMO.HHZ. 2023-07-02T13:52:15.31 0.1 undecidable manual P 343 27.8499 108 -0.04 97
7F.SIB2.EHE. 2023-07-02T13:52:15.01 0.3 undecidable manual S 42 14.0748 123 -0.29 71
IT.MTCL.HGE. 2023-07-02T13:52:15.02 0.1 undecidable manual P 325 26.6511 109 -0.12 96
7F.SIB1.EHE. 2023-07-02T13:52:14.99 0.3 undecidable manual S 31 12.6762 126 0.07 74
IV.SMA1.EHZ. 2023-07-02T13:52:14.31 0.1 undecidable manual P 147 22.0668 113 0.04 98
7F.SIB3.EHE. 2023-07-02T13:52:14.19 0.3 undecidable manual S 37 10.878 130 -0.24 72
IV.LNSS.HHZ. 2023-07-02T13:52:14.83 0.3 undecidable manual P 209 24.6531 110 0.06 73
IV.MMO1.EHZ. 2023-07-02T13:52:13.25 0.1 undecidable manual P 45 15.9729 120 0.07 98
IV.MTRA.HNE. 2023-07-02T13:52:13.52 0.1 undecidable manual P 105 17.5713 118 0.07 98
IV.NRCA.HNZ. 2023-07-02T13:52:13.20 0.1 undecidable manual S 304 7.2927 142 -0.34 94
7F.SIB2.EHE. 2023-07-02T13:52:12.85 0.1 undecidable manual P 42 14.0748 123 0.01 100
7F.SIB1.EHE. 2023-07-02T13:52:12.82 0.1 undecidable manual P 31 12.6762 126 0.2 96
7F.SIB3.EHE. 2023-07-02T13:52:12.37 0.1 undecidable manual P 37 10.878 130 0.03 100
IV.NRCA.HNZ. 2023-07-02T13:52:11.92 0.1 undecidable manual P 304 7.2927 142 0.09 99
IT.SULP.HGZ. 2023-07-02T13:52:10.94 3.0 negative manual P -1.93 0
IV.RCAV.EHZ. 2023-07-02T13:52:01.31 3.0 undecidable manual P -1.94 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.2 0.002815 0.12 AML other m 2023-07-02T13:52:13.49
IV.NRCA.HHN. ML:2.0 0.0015049999999999998 0.14 AML other m 2023-07-02T13:52:13.78
IV.MMO1.EHE. ML:1.3 0.00017749999999999998 1.82 AML other m 2023-07-02T13:52:15.96
IV.MMO1.EHN. ML:1.2 0.0001495 0.82 AML other m 2023-07-02T13:52:16.52
IV.LNSS.HHN. ML:1.1 0.00006835 0.14 AML other m 2023-07-02T13:52:19.69
IV.LNSS.HHE. ML:1.1 0.00007245 0.42 AML other m 2023-07-02T13:52:19.96
IV.RM33.EHN. ML:1.0 0.00003755 0.88 AML other m 2023-07-02T13:52:21.55
IV.RM33.EHE. ML:0.8 0.0000308 1.58 AML other m 2023-07-02T13:52:22.03
IV.CSP1.EHN. ML:1.4 0.00011099999999999999 1.06 AML other m 2023-07-02T13:52:22.16
IV.CSP1.EHE. ML:1.4 0.00010795000000000001 1.06 AML other m 2023-07-02T13:52:23.21
IV.GUMA.HHE. ML:1.3 0.0000927 0.22 AML other m 2023-07-02T13:52:23.48
IV.GUMA.HHN. ML:1.3 0.00009379999999999999 0.46 AML other m 2023-07-02T13:52:24.01
IV.MML1.EHE. ML:1.0 0.00003685 0.12 AML other m 2023-07-02T13:52:24.31
IV.MML1.EHN. ML:1.0 0.00003365 0.24 AML other m 2023-07-02T13:52:24.76
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