Earthquake with magnitude of ML 0.9 on date 29-10-2023 and time 22:03:54 (Italy) in region 3 km N Valtopina (PG)

A magnitude ML 0.9 earthquake occured in region: 3 km N Valtopina (PG), on

  • 29-10-2023 21:03:54 (UTC)
  • 29-10-2023 22:03:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0870, 12.7620 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
Valtopina PG 3 1398 1398
Nocera Umbra PG 4 5839 7237
Assisi PG 12 28299 35536
Spello PG 13 8645 44181
Valfabbrica PG 15 3389 47570
Foligno PG 15 57155 104725
Serravalle di Chienti MC 16 1070 105795
Gualdo Tadino PG 16 15208 121003
Sefro MC 17 422 121425
Bastia Umbra PG 17 21874 143299
Cannara PG 18 4305 147604
Fiuminata MC 18 1402 149006

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NE of Foligno (57155 inhabitants)
30 Km E of Perugia (166134 inhabitants)
59 Km N of Terni (111501 inhabitants)
83 Km SE of Arezzo (99543 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
87 Km S of Fano (60888 inhabitants)
90 Km NW of Teramo (54892 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
97 Km NW of L'Aquila (69753 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 0.9 2023-10-29
21:03:54
43.0873 12.7622 11 2023-10-29
21:10:52
Sala Sismica INGV-Roma 122557061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 21:03:54 ± 0.08
Latitude 43.0873 ± 0.0063
Longitude 12.7622 ± 0.0074
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122557061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 362
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
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) 0.43078
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 122557061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 21:10:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.CARE.EHZ. 2023-10-29T21:05:25.53 3.0 undecidable manual Sn -6.19 0
ST.RONC.HNZ. 2023-10-29T21:05:16.54 3.0 undecidable manual Sn -5.91 0
IV.ECTS.HHZ. 2023-10-29T21:04:55.75 3.0 undecidable manual Pg 17.91 0
ST.CARE.HNZ. 2023-10-29T21:04:55.63 3.0 positive manual Pg 19.200001 0
IV.BRSN.HNZ. 2023-10-29T21:04:47.56 3.0 undecidable manual Sg 4.43 0
7C.SPAOL.HNZ. 2023-10-29T21:04:44.48 3.0 undecidable manual Pn 3.01 0
IV.GATE.HHZ. 2023-10-29T21:04:38.05 3.0 undecidable manual Sn -0.11 0
IV.VENL.EHZ. 2023-10-29T21:04:21.77 3.0 positive manual Pn -0.18 0
IV.GATE.HHZ. 2023-10-29T21:04:17.91 3.0 negative manual Pg 11.57 0
IV.FNVD.HHZ. 2023-10-29T21:04:10.84 3.0 negative manual Pn 1.14 0
IV.FDMO.HHZ. 2023-10-29T21:04:04.19 0.3 undecidable manual S 102 26.9508 50 -0.07 73
IV.FRON.EHZ. 2023-10-29T21:04:03.33 0.1 undecidable manual P 356 47.8188 50 -0.02 94
IV.NRCA.HHZ. 2023-10-29T21:04:02.73 0.3 undecidable manual P 134 40.1265 50 0.57 63
IV.CSP1.EHZ. 2023-10-29T21:04:01.81 0.3 undecidable manual P 89 35.8419 50 0.31 68
IV.MML1.EHZ. 2023-10-29T21:04:01.44 0.3 undecidable manual S 80 17.1717 122 -0.06 74
IV.ATCC.EHZ. 2023-10-29T21:04:00.83 0.1 undecidable manual S 318 14.6742 126 0.06 99
IV.CESI.HHZ. 2023-10-29T21:04:00.72 0.3 undecidable manual S 128 14.7741 126 -0.06 74
IV.MURB.HHZ. 2023-10-29T21:04:00.21 0.3 undecidable manual P 315 27.3504 50 0.02 73
IV.SNTG.HHZ. 2023-10-29T21:03:59.52 0.3 undecidable manual P 38 23.5542 50 -0.08 73
IV.FOSV.EHZ. 2023-10-29T21:03:59.43 0.1 positive manual P 360 23.0547 50 -0.09 97
IV.ASSB.HHZ. 2023-10-29T21:03:59.18 0.3 undecidable manual S 239 9.7791 137 -0.3 71
IV.FDMO.HHZ. 2023-10-29T21:03:59.27 0.3 undecidable manual P 102 26.9508 50 -0.86 57
IV.MML1.EHZ. 2023-10-29T21:03:58.63 0.3 undecidable manual P 80 17.1717 122 0.09 73
IV.ATCC.EHZ. 2023-10-29T21:03:58.22 0.1 positive manual P 318 14.6742 126 0.1 98
IV.CESI.HHZ. 2023-10-29T21:03:58.25 0.1 undecidable manual P 128 14.7741 126 0.13 98
IV.ASSB.HHZ. 2023-10-29T21:03:57.42 0.1 undecidable manual P 239 9.7791 137 0.05 100
IV.SRES.HHZ. 2023-10-29T21:03:54.79 3.0 undecidable manual P -0.1 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.3 0.000229 0.66 AML other m 2023-10-29T21:03:59.82
IV.ASSB.HHE. ML:1.2 0.000192 0.1 AML other m 2023-10-29T21:03:59.92
IV.CESI.HHE. ML:0.8 0.000057 1.6 AML other m 2023-10-29T21:04:00.94
IV.CESI.HHN. ML:0.8 0.0000553 0.16 AML other m 2023-10-29T21:04:01.11
IV.ATCC.EHE. ML:1.0 0.00010475 0.26 AML other m 2023-10-29T21:04:01.14
IV.ATCC.EHN. ML:1.0 0.00010215 0.84 AML other m 2023-10-29T21:04:01.23
IV.MURB.HHE. ML:1.0 0.00005735 0.58 AML other m 2023-10-29T21:04:04.88
IV.MURB.HHN. ML:1.0 0.0000556 1.5 AML other m 2023-10-29T21:04:06.02
IV.FDMO.HHN. ML:0.6 0.000017919999999999998 0.42 AML other m 2023-10-29T21:04:11.83
IV.FRON.EHN. ML:1.0 0.000024399999999999997 1.58 AML other m 2023-10-29T21:04:26.97
IV.FRON.EHE. ML:0.9 0.000022 0.42 AML other m 2023-10-29T21:04:39.66
IV.FDMO.HHE. ML:0.4 0.000016405 1.5 AML other m 2023-10-29T21:04:50.86
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