Earthquake with magnitude of ML 0.7 on date 22-10-2023 and time 07:31:35 (Italy) in region 3 km SW Sigillo (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km SW Sigillo (PG), on

  • 22-10-2023 05:31:35 (UTC)
  • 22-10-2023 07:31:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3090, 12.7250 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
Sigillo PG 3 2404 2404
Fossato di Vico PG 3 2840 5244
Costacciaro PG 6 1216 6460
Gualdo Tadino PG 10 15208 21668
Scheggia e Pascelupo PG 12 1393 23061
Gubbio PG 13 32216 55277
Fabriano AN 15 31480 86757
Sassoferrato AN 18 7285 94042
Esanatoglia MC 19 2034 96076
Valfabbrica PG 19 3389 99465
Cantiano PU 20 2245 101710

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Perugia (166134 inhabitants)
39 Km N of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
73 Km W of Ancona (100861 inhabitants)
83 Km N of Terni (111501 inhabitants)
85 Km S of Rimini (147750 inhabitants)
100 Km SE of Cesena (96758 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 0.7 2023-10-22
05:31:35
43.3088 12.7253 11 2023-10-22
06:09:14
Sala Sismica INGV-Roma 122279171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-22 05:31:35 ± 0.04
Latitude 43.3088 ± 0.0018
Longitude 12.7253 ± 0.0025
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 122279171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 237
Semi-minor axis of confidence ellipse (meter) 184
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.31926
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 122279171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-22 06:09:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-10-22T05:31:47.11 0.6 undecidable manual S 341 35.4423 50 0.08 48
IV.PIEI.HHZ. 2023-10-22T05:31:45.42 0.6 undecidable manual S 329 29.4483 50 -0.01 49
IV.TB03.DH1.01 2023-10-22T05:31:45.16 0.6 undecidable manual S 292 27.3504 50 0.28 47
IV.ASSB.HHZ. 2023-10-22T05:31:45.39 0.6 undecidable manual S 190 30.0477 50 -0.19 47
IV.MML1.HNE. 2023-10-22T05:31:45.55 0.6 undecidable manual S 137 29.4483 50 0.13 48
IV.ARVD.HHE. 2023-10-22T05:31:45.00 0.6 undecidable manual S 40 27.2505 50 0.16 48
IV.ATLO.HNE. 2023-10-22T05:31:44.36 0.6 undecidable manual S 272 25.6521 50 -0.06 49
IV.TB02.DH2.01 2023-10-22T05:31:44.49 0.6 undecidable manual S 285 26.3514 50 -0.12 48
IV.FRON.EHZ. 2023-10-22T05:31:43.48 0.6 undecidable manual S 0 23.1546 50 -0.27 47
IV.NARO.HHZ. 2023-10-22T05:31:42.02 1.0 undecidable manual P 341 35.4423 50 0.04 24
IV.TSM2.DH1.01 2023-10-22T05:31:42.94 0.6 undecidable manual S 297 21.3675 50 -0.31 47
IV.MURB.HHZ. 2023-10-22T05:31:42.17 0.6 undecidable manual S 253 16.9719 123 0.08 50
IV.SNTG.HHZ. 2023-10-22T05:31:42.21 0.6 undecidable manual S 109 18.3705 50 -0.26 48
IV.ASSB.HHZ. 2023-10-22T05:31:41.14 0.1 undecidable manual P 190 30.0477 50 0 98
IV.ATFO.HHZ. 2023-10-22T05:31:41.24 0.6 undecidable manual S 297 13.9749 128 0 51
IV.ATCC.EHZ. 2023-10-22T05:31:41.62 0.6 undecidable manual S 207 15.3735 126 -0.01 50
IV.PIEI.HHZ. 2023-10-22T05:31:41.01 1.0 undecidable manual P 329 29.4483 50 -0.04 24
IV.TB02.DH2.01 2023-10-22T05:31:40.72 0.1 undecidable manual P 285 26.3514 50 0.14 96
IV.MML1.HNE. 2023-10-22T05:31:40.94 0.1 undecidable manual P 137 29.4483 50 -0.11 96
IV.ARVD.HHE. 2023-10-22T05:31:40.75 0.1 undecidable manual P 40 27.2505 50 0.03 98
IV.TSM1.DHE.01 2023-10-22T05:31:40.16 0.6 undecidable manual S 291 11.0778 135 -0.32 48
IV.ATLO.HNE. 2023-10-22T05:31:40.52 0.1 undecidable manual P 272 25.6521 50 0.05 98
IV.FRON.EHZ. 2023-10-22T05:31:40.08 0.6 positive manual P 0 23.1546 50 0 50
IV.TB03.DH1.01 2023-10-22T05:31:40.90 0.1 undecidable manual P 292 27.3504 50 0.17 96
IV.MURB.HHZ. 2023-10-22T05:31:39.27 1.0 undecidable manual P 253 16.9719 123 0.14 24
IV.SNTG.HHZ. 2023-10-22T05:31:39.55 0.6 negative manual P 109 18.3705 50 0.21 48
IV.TSM2.DH1.01 2023-10-22T05:31:39.72 0.1 undecidable manual P 297 21.3675 50 -0.08 98
IV.ATFO.HHZ. 2023-10-22T05:31:38.72 0.1 undecidable manual P 297 13.9749 128 0.09 99
IV.TSM1.DHE.01 2023-10-22T05:31:38.12 0.1 undecidable manual P 291 11.0778 135 -0.08 100
IV.ATCC.EHZ. 2023-10-22T05:31:38.94 0.3 positive manual P 207 15.3735 126 0.08 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.5 0.000024815814999999998 0.1824 AML other m 2023-10-22T05:31:42.42
IV.MURB.HHE. ML:1.0 0.0000849 0.44 AML other m 2023-10-22T05:31:42.59
IV.SNTG.HHN. ML:0.6 0.000036641455 0.1792 AML other m 2023-10-22T05:31:42.38
IV.FRON.EHN. ML:1.0 0.0000563 0.08 AML other m 2023-10-22T05:31:44.49
IV.FRON.EHE. ML:1.0 0.000055150000000000006 0.78 AML other m 2023-10-22T05:31:44.82
IV.MURB.HHN. ML:0.7 0.000045309895000000004 0.2816 AML other m 2023-10-22T05:31:42.92
IV.ATFO.HHE. ML:0.6 0.000033210610000000004 0.2208 AML other m 2023-10-22T05:31:41.83
IV.ATFO.HHN. ML:0.4 0.000023914838500000002 0.1792 AML other m 2023-10-22T05:31:41.34
IV.ATCC.EHE. ML:0.8 0.00005387361 0.0992 AML other m 2023-10-22T05:31:41.79
IV.ATCC.EHN. ML:0.8 0.0000554463765 0.08 AML other m 2023-10-22T05:31:41.87
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