Earthquake with magnitude of ML 0.8 on date 26-10-2023 and time 13:28:37 (Italy) in region 3 km NE Cerreto di Spoleto (PG)

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

  • 26-10-2023 11:28:37 (UTC)
  • 26-10-2023 13:28:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 12.9290 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
Cerreto di Spoleto PG 3 1075 1075
Sellano PG 5 1079 2154
Preci PG 10 724 2878
Vallo di Nera PG 10 364 3242
Campello sul Clitunno PG 13 2442 5684
Sant'Anatolia di Narco PG 15 564 6248
Norcia PG 15 4957 11205
Poggiodomo PG 15 117 11322
Trevi PG 15 8469 19791
Cascia PG 16 3217 23008
Visso MC 16 1107 24115
Scheggino PG 17 461 24576
Monte Cavallo MC 18 145 24721
Castelsantangelo sul Nera MC 19 281 25002
Spoleto PG 20 38218 63220

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
98 Km SW of Ancona (100861 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 0.8 2023-10-26
11:28:37
42.8458 12.9287 11 2023-10-26
11:35:20
Sala Sismica INGV-Roma 122406061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-26 11:28:37 ± 0.06
Latitude 42.8458 ± 0.0018
Longitude 12.9287 ± 0.0037
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 122406061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 122406061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-26 11:35:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GBOS.HHZ. 2023-10-26T11:30:32.47 3.0 undecidable manual Sn 9.15 0
IV.ACATE.HNZ. 2023-10-26T11:30:16.92 3.0 negative manual Pg 12.59 0
GU.RRL.HHZ. 2023-10-26T11:30:11.55 3.0 undecidable manual Pg 22.02 0
IV.CIMI.HNZ. 2023-10-26T11:30:03.73 3.0 undecidable manual Pg 12.67 0
IV.MCRV.HHZ. 2023-10-26T11:30:00.95 3.0 undecidable manual Sg 7.01 0
IV.SPS2.HHZ. 2023-10-26T11:29:48.62 3.0 undecidable manual Pn 4.95 0
IV.BDI.HHZ. 2023-10-26T11:29:43.99 3.0 undecidable manual Sg 5.73 0
IV.GATE.HHZ. 2023-10-26T11:29:37.87 3.0 undecidable manual Sn -0.06 0
GU.CANO.HHZ. 2023-10-26T11:29:33.54 3.0 positive manual Pn 0.91 0
IV.PARC.HHZ. 2023-10-26T11:29:09.62 3.0 undecidable manual S -0.62 0
IV.RIBO.EHZ.01 2023-10-26T11:29:02.64 3.0 undecidable manual P 1.69 0
IV.SFI.EHZ. 2023-10-26T11:29:00.71 3.0 undecidable manual P -0.3 0
IV.NARO.HHZ. 2023-10-26T11:28:53.49 3.0 undecidable manual P 0.24 0
IV.ASSB.HHZ. 2023-10-26T11:28:48.17 0.3 undecidable manual S 315 30.9468 50 -0.22 70
IV.LNSS.HHZ. 2023-10-26T11:28:47.69 0.3 undecidable manual S 161 28.4493 50 -0.03 74
IV.FDMO.HHZ. 2023-10-26T11:28:46.81 0.3 undecidable manual S 31 24.753 50 0.07 73
IV.GAVE.HNE. 2023-10-26T11:28:44.70 0.3 undecidable manual S 189 17.2716 50 -0.04 75
IV.NRCA.HHZ. 2023-10-26T11:28:44.06 0.3 undecidable manual S 95 15.1737 126 -0.11 74
IV.ASSB.HHZ. 2023-10-26T11:28:44.05 0.3 undecidable manual P 315 30.9468 50 0.2 71
IT.MTCL.HGZ. 2023-10-26T11:28:44.79 0.3 undecidable manual S 19 17.3715 50 0.01 75
IV.CESI.HHZ. 2023-10-26T11:28:44.89 0.1 undecidable manual S 354 17.7711 50 0.02 100
IV.LNSS.HHZ. 2023-10-26T11:28:43.49 0.3 undecidable manual P 161 28.4493 50 0.02 74
IV.FDMO.HHZ. 2023-10-26T11:28:42.86 0.3 undecidable manual P 31 24.753 50 -0.04 74
IV.CESI.HHZ. 2023-10-26T11:28:41.91 0.6 negative manual P 354 17.7711 50 0.09 49
IV.GAVE.HNE. 2023-10-26T11:28:41.82 0.3 undecidable manual P 189 17.2716 50 0.08 74
IV.NRCA.HHZ. 2023-10-26T11:28:41.48 0.1 negative manual P 95 15.1737 126 0.06 100
IT.MTCL.HGZ. 2023-10-26T11:28:41.69 0.1 undecidable manual P 19 17.3715 50 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.8 0.000055599999999999996 0.92 AML other m 2023-10-26T11:28:44.56
IV.NRCA.HHE. ML:0.8 0.00005665 0.76 AML other m 2023-10-26T11:28:45.90
IV.CESI.HHE. ML:0.7 0.0000424073 0.0576 AML other m 2023-10-26T11:28:45.03
IV.CESI.HHN. ML:0.9 0.00006482517 0.1024 AML other m 2023-10-26T11:28:44.94
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