Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 29-09-2022 and time 00:21:54 (Italy) in region 6 km E Sigillo (PG)

A magnitude ML 0.8 earthquake occured in region: 6 km E Sigillo (PG), on

  • 28-09-2022 22:21:54 (UTC)
  • 29-09-2022 00:21:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3520, 12.8050 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.

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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 6 2404 2404
Fossato di Vico PG 7 2840 5244
Costacciaro PG 8 1216 6460
Fabriano AN 8 31480 37940
Sassoferrato AN 10 7285 45225
Scheggia e Pascelupo PG 13 1393 46618
Gualdo Tadino PG 13 15208 61826
Genga AN 14 1797 63623
Cerreto d'Esi AN 15 3817 67440
Serra Sant'Abbondio PU 16 1027 68467
Esanatoglia MC 16 2034 70501
Gubbio PG 18 32216 102717
Frontone PU 19 1300 104017
Matelica MC 20 9981 113998
Cantiano PU 20 2245 116243
Arcevia AN 20 4612 120855

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
58 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
65 Km W of Ancona (100861 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
81 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
98 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 0.8 2022-09-28
22:21:54		 43.3517 12.8053 11 2022-09-28
22:26:43		 Sala Sismica INGV-Roma 110271231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 22:21:54 ± 0.03
Latitude 43.3517 ± 0.0018
Longitude 12.8053 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110271231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 190
Semi-minor axis of confidence ellipse (meter) 140
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 302
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.06565
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
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 110271231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 22:26:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2022-09-28T22:22:02.66 0.1 undecidable manual S 216 22.755 90 0.1 96
IV.ARVD.HHZ. 2022-09-28T22:22:01.74 0.3 undecidable manual S 34 19.5693 90 0.04 74
IV.SNTG.HHZ. 2022-09-28T22:22:00.48 0.3 undecidable manual S 134 15.2736 90 -0.08 74
IV.NARO.HHZ. 2022-09-28T22:22:00.42 1.0 positive manual P 328 33.9438 90 -0.25 23
IV.ATCC.EHZ. 2022-09-28T22:21:59.00 0.6 positive manual P 216 22.755 90 0.05 49
IV.ATSC.EHE. 2022-09-28T22:21:59.76 0.1 undecidable manual S 310 12.4764 104 -0.06 99
IV.MML1.EHZ. 2022-09-28T22:21:59.94 0.3 undecidable manual P 153 29.6481 90 -0.06 72
IV.SSFR.HHZ. 2022-09-28T22:21:59.08 0.3 undecidable manual S 349 9.5793 122 -0.02 75
IV.FOSV.EHZ. 2022-09-28T22:21:58.45 0.1 undecidable manual S 210 7.2927 135 -0.16 99
IV.ARVD.HHZ. 2022-09-28T22:21:58.48 0.1 undecidable manual P 34 19.5693 90 0.02 99
IV.SSFR.HHZ. 2022-09-28T22:21:57.03 0.1 undecidable manual P 349 9.5793 122 0.08 100
IV.SNTG.HHZ. 2022-09-28T22:21:57.95 1.0 undecidable manual P 134 15.2736 90 0.16 24
IV.ATSC.EHE. 2022-09-28T22:21:57.39 0.1 undecidable manual P 310 12.4764 104 0.03 100
IV.FOSV.EHZ. 2022-09-28T22:21:56.74 0.3 undecidable manual P 210 7.2927 135 0.07 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHE. ML:0.7 0.0000412 1.54 AML other m 2022-09-28T22:22:01.85
IV.ARVD.HHN. ML:0.8 0.00004835 1.44 AML other m 2022-09-28T22:22:01.99
IV.ATCC.EHE. ML:0.8 0.00004558851499999999 0.0768 AML other m 2022-09-28T22:22:02.92
IV.ATCC.EHN. ML:0.7 0.0000286889 0.1024 AML other m 2022-09-28T22:22:02.71
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