Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 06-07-2023 and time 14:10:52 (Italy) in region 3 km SW Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km SW Cerreto di Spoleto (PG), on

  • 06-07-2023 12:10:52 (UTC)
  • 06-07-2023 14:10:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8000, 12.8890 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cerreto di Spoleto PG 3 1075 1075
Vallo di Nera PG 4 364 1439
Sant'Anatolia di Narco PG 9 564 2003
Campello sul Clitunno PG 9 2442 4445
Poggiodomo PG 10 117 4562
Sellano PG 11 1079 5641
Scheggino PG 11 461 6102
Cascia PG 14 3217 9319
Spoleto PG 14 38218 47537
Trevi PG 14 8469 56006
Preci PG 15 724 56730
Norcia PG 17 4957 61687
Monteleone di Spoleto PG 17 599 62286
Castel Ritaldi PG 18 3278 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km SE of Foligno (57155 inhabitants)
33 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
69 Km W of Teramo (54892 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
90 Km N of Guidonia Montecelio (88673 inhabitants)
93 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 0.8 2023-07-06
12:10:52		 42.7998 12.8892 12 2023-07-06
13:02:12		 Sala Sismica INGV-Roma 119019991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-06 12:10:52 ± 0.11
Latitude 42.7998 ± 0.0054
Longitude 12.8892 ± 0.0147
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119019991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1169
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
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 27
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29588
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 119019991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-06 13:02:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2023-07-06T12:12:35.01 3.0 undecidable manual Sg 0.85 0
IV.LINA.HHZ. 2023-07-06T12:12:32.49 3.0 positive manual Pg 9.58 0
AC.KBN.HHZ. 2023-07-06T12:12:25.97 3.0 undecidable manual Pg 18.440001 0
SL.BOJS.BHZ. 2023-07-06T12:12:25.07 3.0 undecidable manual Sg 10.76 0
IV.PIPA.HHZ. 2023-07-06T12:12:16.35 3.0 undecidable manual Sn -9.99 0
GU.GSCL.HHZ. 2023-07-06T12:12:15.33 3.0 undecidable manual Sg 5.13 0
7C.SPAOL.HNZ. 2023-07-06T12:12:08.77 3.0 positive manual Pg 8.18 0
IV.HVZN.HHZ. 2023-07-06T12:12:07.17 3.0 negative manual Pg 2.14 0
IV.ZEN8.EHZ. 2023-07-06T12:11:45.98 3.0 undecidable manual Pn 2.1 0
IV.SELL.HHZ. 2023-07-06T12:11:41.40 3.0 undecidable manual Pn -6.41 0
IV.SBPO.HNZ. 2023-07-06T12:11:36.81 3.0 negative manual Pn 0.35 0
OT.OT17.EHZ. 2023-07-06T12:11:24.96 3.0 undecidable manual Sn -6.79 0
IV.MCRV.HHZ. 2023-07-06T12:11:12.63 3.0 undecidable manual Pn -6.1 0
IV.FDMO.HHZ. 2023-07-06T12:11:03.03 0.6 undecidable manual S 31 30.8469 93 -0.05 50
IV.LNSS.HNE. 2023-07-06T12:11:01.75 0.6 undecidable manual S 151 25.0527 95 0.19 49
IV.CESI.HNZ. 2023-07-06T12:11:00.74 0.6 undecidable manual S 3 22.755 96 -0.21 49
IV.BSSO.HHZ. 2023-07-06T12:11:00.27 3.0 negative manual P -6.4 0
IV.NRCA.HHZ. 2023-07-06T12:10:59.79 0.6 undecidable manual S 78 18.6702 100 -0.08 51
IV.ASSB.HHE. 2023-07-06T12:10:59.42 0.1 undecidable manual P 325 32.8449 93 0.55 91
IV.FDMO.HHZ. 2023-07-06T12:10:58.12 1.0 undecidable manual P 31 30.8469 93 -0.44 23
IV.GAVE.EHZ. 2023-07-06T12:10:58.15 0.6 undecidable manual S 178 11.9769 119 -0.01 52
IV.CESX.HHE. 2023-07-06T12:10:58.52 0.1 undecidable manual P 229 32.5452 93 -0.31 95
IV.LATB.EHZ. 2023-07-06T12:10:58.64 3.0 positive manual P -9.21 0
IV.LNSS.HNE. 2023-07-06T12:10:57.44 0.1 undecidable manual P 151 25.0527 95 -0.24 98
IV.CESI.HNZ. 2023-07-06T12:10:57.19 0.3 undecidable manual P 3 22.755 96 -0.14 75
IV.NRCA.HHZ. 2023-07-06T12:10:56.82 0.6 positive manual P 78 18.6702 100 0.11 51
IV.GAVE.EHZ. 2023-07-06T12:10:55.98 0.1 positive manual P 178 11.9769 119 0.26 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.9 0.00007280000000000001 0.38 AML other m 2023-07-06T12:10:58.55
IV.GAVE.EHN. ML:0.9 0.00008275 0.52 AML other m 2023-07-06T12:10:59.45
IV.NRCA.HHN. ML:0.6 0.0000292 0.86 AML other m 2023-07-06T12:10:59.97
IV.NRCA.HHE. ML:0.4 0.0000206 0.08 AML other m 2023-07-06T12:11:00.37
IV.GAVE.HNE. ML:1.0 0.00009993969999999999 0.96 AML other m 2023-07-06T12:10:57.27
IV.GAVE.HNN. ML:0.9 0.000082470995 0.5888 AML other m 2023-07-06T12:10:58.67
IV.NRCA.HNE. ML:1.2 0.0001099543 1.2224 AML other m 2023-07-06T12:11:00.60
IV.NRCA.HNN. ML:1.3 0.000133146485 2.6944 AML other m 2023-07-06T12:11:01.45
IV.FDMO.HHE. ML:0.3 0.000009779965500000002 0.16 AML other m 2023-07-06T12:11:03.38
IV.FDMO.HHN. ML:0.3 0.000007654583999999999 0.16 AML other m 2023-07-06T12:11:03.83
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