Earthquake with magnitude of ML 0.8 on date 08-12-2023 and time 14:13:56 (Italy) in region 6 km NW Cerreto di Spoleto (PG)

A magnitude ML 0.8 earthquake occured in region: 6 km NW Cerreto di Spoleto (PG), on

  • 08-12-2023 13:13:56 (UTC)
  • 08-12-2023 14:13:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8510, 12.8600 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 6 1075 1075
Sellano PG 7 1079 2154
Campello sul Clitunno PG 8 2442 4596
Vallo di Nera PG 9 364 4960
Trevi PG 10 8469 13429
Sant'Anatolia di Narco PG 13 564 13993
Preci PG 15 724 14717
Scheggino PG 16 461 15178
Castel Ritaldi PG 16 3278 18456
Spoleto PG 16 38218 56674
Poggiodomo PG 17 117 56791
Foligno PG 17 57155 113946
Montefalco PG 18 5679 119625
Cascia PG 19 3217 122842
Monte Cavallo MC 20 145 122987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SE of Foligno (57155 inhabitants)
37 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
72 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 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 2023-12-08
13:13:56
42.851 12.8605 11 2023-12-08
14:06:53
Sala Sismica INGV-Roma 123897281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 13:13:56 ± 0.04
Latitude 42.8510 ± 0.0018
Longitude 12.8605 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123897281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 190
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.15738
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 123897281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-08 14:06:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-12-08T13:14:04.18 0.6 undecidable manual S 95 20.7681 50 -0.1 49
IV.CESI.HHZ. 2023-12-08T13:14:03.40 0.6 undecidable manual S 12 17.4714 50 0 50
IV.GAVE.EHZ. 2023-12-08T13:14:03.49 0.6 undecidable manual S 171 17.871 50 -0.01 50
IV.MML1.EHZ. 2023-12-08T13:14:02.37 0.6 undecidable manual P 17 30.4473 50 -0.02 49
IV.FDMO.HHZ. 2023-12-08T13:14:01.95 1.0 undecidable manual P 42 27.6501 50 0 25
IV.NRCA.HHZ. 2023-12-08T13:14:01.04 1.0 undecidable manual P 95 20.7681 50 0.15 24
IV.ASSB.HHZ. 2023-12-08T13:14:01.59 1.0 undecidable manual P 322 26.8509 50 -0.24 24
IV.CESI.HHZ. 2023-12-08T13:14:00.45 0.1 undecidable manual P 12 17.4714 50 0.06 99
IV.GAVE.EHZ. 2023-12-08T13:14:00.47 0.1 undecidable manual P 171 17.871 50 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.9 0.00003495 0.44 AML other m 2023-12-08T13:14:08.56
IV.MML1.EHE. ML:0.7 0.00002625 0.42 AML other m 2023-12-08T13:14:11.73
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