Earthquake with magnitude of ML 0.4 on date 07-10-2023 and time 00:52:14 (Italy) in region 4 km SE Foligno (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km SE Foligno (PG), on

  • 06-10-2023 22:52:14 (UTC)
  • 07-10-2023 00:52:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9310, 12.7420 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
Foligno PG 4 57155 57155
Trevi PG 6 8469 65624
Montefalco PG 8 5679 71303
Spello PG 9 8645 79948
Bevagna PG 11 5081 85029
Campello sul Clitunno PG 13 2442 87471
Castel Ritaldi PG 13 3278 90749
Valtopina PG 14 1398 92147
Cannara PG 15 4305 96452
Gualdo Cattaneo PG 15 6155 102607
Sellano PG 16 1079 103686
Giano dell'Umbria PG 17 3846 107532
Assisi PG 19 28299 135831
Cerreto di Spoleto PG 19 1075 136906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
4 Km SE of Foligno (57155 inhabitants)
35 Km SE of Perugia (166134 inhabitants)
42 Km N of Terni (111501 inhabitants)
77 Km NE of Viterbo (67173 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
84 Km W of Teramo (54892 inhabitants)
92 Km SE of Arezzo (99543 inhabitants)
99 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
22:52:14
42.9313 12.7425 10 2023-10-06
23:07:25
Sala Sismica INGV-Roma 121826481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-06 22:52:14 ± 0.07
Latitude 42.9313 ± 0.0045
Longitude 12.7425 ± 0.0061
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 121826481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 497
Semi-minor axis of confidence ellipse (meter) 411
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.12680
Epicentral distance of station farthest from the epicenter (degree) 0.37412
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 121826481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-06 23:07:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-10-06T22:52:28.87 0.6 undecidable manual S 64 41.5251 50 0.6 41
IV.FDMO.HHZ. 2023-10-06T22:52:25.05 0.6 undecidable manual S 67 30.3474 50 -0.23 46
IV.ATCC.EHZ. 2023-10-06T22:52:25.28 0.6 undecidable manual S 344 29.3484 50 0.26 46
IV.NRCA.HHZ. 2023-10-06T22:52:25.80 0.6 undecidable manual S 110 32.1456 50 0.04 48
IV.MML1.EHZ. 2023-10-06T22:52:24.21 0.6 undecidable manual S 43 27.4503 50 -0.3 46
IV.CSP1.EHZ. 2023-10-06T22:52:22.52 1.0 positive manual P 64 41.5251 50 0.08 23
IV.MOMA.HNE. 2023-10-06T22:52:22.29 0.6 undecidable manual S 225 19.9689 117 0.08 49
IV.NRCA.HHZ. 2023-10-06T22:52:21.03 0.6 negative manual P 110 32.1456 50 0.04 48
IV.CESI.HNE. 2023-10-06T22:52:21.02 0.6 undecidable manual S 58 15.4734 123 0.15 48
IV.MML1.EHZ. 2023-10-06T22:52:20.10 1.0 undecidable manual P 43 27.4503 50 -0.17 24
IV.FDMO.HHZ. 2023-10-06T22:52:20.63 1.0 undecidable manual P 67 30.3474 50 -0.08 24
IV.ASSB.HHZ. 2023-10-06T22:52:20.16 0.6 undecidable manual S 331 14.0748 125 -0.31 47
IV.GAVE.HNE. 2023-10-06T22:52:20.30 0.1 undecidable manual P 155 29.2485 50 -0.26 93
IV.ATCC.EHZ. 2023-10-06T22:52:20.68 1.0 positive manual P 344 29.3484 50 0.11 24
IT.GNU.HGE. 2023-10-06T22:52:19.41 0.3 undecidable manual P 225 19.9689 117 0.46 68
IV.CESI.HNE. 2023-10-06T22:52:18.17 0.1 undecidable manual P 58 15.4734 123 0 100
IV.MOMA.HNE. 2023-10-06T22:52:18.76 0.1 undecidable manual P 225 19.9689 117 -0.19 95
IV.ASSB.HHZ. 2023-10-06T22:52:17.93 0.1 positive manual P 331 14.0748 125 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:0.6 0.0000413 1.4 AML other m 2023-10-06T22:52:20.99
IV.ASSB.HHN. ML:0.5 0.000034 1.26 AML other m 2023-10-06T22:52:20.30
IV.MML1.EHE. ML:0.3 0.00001121044 0.2432 AML other m 2023-10-06T22:52:24.40
IV.MML1.EHN. ML:0.3 0.00000777364345 0.1408 AML other m 2023-10-06T22:52:24.52
IV.FDMO.HHE. ML:0.0 0.000005093710000000001 0.6016 AML other m 2023-10-06T22:52:25.63
IV.FDMO.HHN. ML:0.0 0.0000034466154999999996 0.128 AML other m 2023-10-06T22:52:25.70
IV.ATCC.EHE. ML:0.8 0.000035737785 0.2432 AML other m 2023-10-06T22:52:25.26
IV.ATCC.EHN. ML:0.9 0.000041978189999999997 0.384 AML other m 2023-10-06T22:52:25.54
IV.NRCA.HHE. ML:0.4 0.0000098708275 0.1024 AML other m 2023-10-06T22:52:26.65
IV.NRCA.HHN. ML:0.4 0.0000116380445 0.1152 AML other m 2023-10-06T22:52:26.46
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