Earthquake with magnitude of ML 1.0 on date 22-09-2023 and time 12:20:22 (UTC) in region 4 km NE Sigillo (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Sigillo (PG), on

  • 22-09-2023 12:20:22 (UTC)
  • 22-09-2023 14:20:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3600, 12.7680 at 13 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 4 2404 2404
Costacciaro PG 5 1216 3620
Fossato di Vico PG 7 2840 6460
Scheggia e Pascelupo PG 9 1393 7853
Sassoferrato AN 11 7285 15138
Fabriano AN 11 31480 46618
Gualdo Tadino PG 14 15208 61826
Serra Sant'Abbondio PU 15 1027 62853
Gubbio PG 15 32216 95069
Genga AN 16 1797 96866
Cantiano PU 17 2245 99111
Frontone PU 18 1300 100411
Cerreto d'Esi AN 18 3817 104228
Esanatoglia MC 19 2034 106262

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
58 Km SW of Fano (60888 inhabitants)
62 Km S of Pesaro (94582 inhabitants)
67 Km W of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
80 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
96 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 1.0 2023-09-22
12:20:22
43.3598 12.768 13 2023-09-22
12:30:01
Sala Sismica INGV-Roma 121358171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-22 12:20:22 ± 0.05
Latitude 43.3598 ± 0.0018
Longitude 12.7680 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121358171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.39840
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:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 121358171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-22 12:30:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2023-09-22T12:20:36.42 0.6 undecidable manual S 144 44.2224 93 0.15 46
IV.MML1.EHZ. 2023-09-22T12:20:33.11 0.6 undecidable manual S 149 31.9458 95 0.11 48
IV.PIEI.HHZ. 2023-09-22T12:20:31.64 0.6 undecidable manual S 316 27.0507 97 -0.08 48
IV.ATCC.EHZ. 2023-09-22T12:20:30.60 0.6 undecidable manual S 208 21.9669 100 0.23 47
IV.ARVD.HHZ. 2023-09-22T12:20:30.22 0.6 undecidable manual S 42 20.7681 101 0.17 48
IV.FDMO.HHZ. 2023-09-22T12:20:30.03 1.0 positive manual P 144 44.2224 93 -0.22 23
IV.FRON.EHZ. 2023-09-22T12:20:29.28 0.6 undecidable manual S 349 17.871 106 -0.02 50
IV.SNTG.HHZ. 2023-09-22T12:20:29.19 0.6 undecidable manual S 130 18.1707 105 -0.18 48
IV.NARO.HHZ. 2023-09-22T12:20:28.08 1.0 undecidable manual P 332 31.6461 95 -0.24 23
IV.MML1.EHZ. 2023-09-22T12:20:28.16 0.6 positive manual P 149 31.9458 95 -0.2 46
IV.ATVO.HHZ. 2023-09-22T12:20:27.99 0.1 undecidable manual P 275 29.2485 96 0.04 97
IV.PIEI.HHZ. 2023-09-22T12:20:27.53 0.6 positive manual P 316 27.0507 97 -0.09 48
IV.FOSV.EHZ. 2023-09-22T12:20:26.76 0.6 undecidable manual S 184 7.1928 142 -0.16 49
IV.ARVD.HHZ. 2023-09-22T12:20:26.73 1.0 undecidable manual P 42 20.7681 101 0.08 24
IV.ATCC.EHZ. 2023-09-22T12:20:26.89 0.1 positive manual P 208 21.9669 100 0.05 98
IV.FRON.EHZ. 2023-09-22T12:20:26.31 0.6 undecidable manual P 349 17.871 106 0.09 49
IV.SNTG.HHZ. 2023-09-22T12:20:26.16 0.6 undecidable manual P 130 18.1707 105 -0.1 49
IV.FOSV.EHZ. 2023-09-22T12:20:24.90 0.1 positive manual P 184 7.1928 142 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.2 0.0002135 0.18 AML other m 2023-09-22T12:20:26.98
IV.FOSV.EHE. ML:1.2 0.0002185 0.08 AML other m 2023-09-22T12:20:26.87
IV.FRON.EHE. ML:0.9 0.00005654597 0.0832 AML other m 2023-09-22T12:20:29.36
IV.FRON.EHN. ML:1.0 0.000077196295 0.0576 AML other m 2023-09-22T12:20:29.64
IV.ATCC.HNN. ML:2.0 0.00074593195 0.992 AML other m 2023-09-22T12:20:31.12
IV.ATCC.HNE. ML:2.8 0.0037649999999999997 0.54 AML other m 2023-09-22T12:20:30.41
IV.ATCC.EHE. ML:1.1 0.0000857 1.44 AML other m 2023-09-22T12:20:30.77
IV.ATCC.EHN. ML:1.0 0.00006298744500000001 0.1792 AML other m 2023-09-22T12:20:30.97
IV.PIEI.HHE. ML:0.9 0.000039235305 0.0768 AML other m 2023-09-22T12:20:32.35
IV.PIEI.HHN. ML:1.0 0.00005115 0.16 AML other m 2023-09-22T12:20:31.85
IV.FOSV.HNE. ML:1.2 0.00021481470000000002 0.0704 AML other m 2023-09-22T12:20:26.87
IV.FOSV.HNN. ML:1.0 0.000134205145 0.0704 AML other m 2023-09-22T12:20:26.98
IV.SNTG.HHE. ML:0.4 0.000020526849999999998 0.1216 AML other m 2023-09-22T12:20:30.08
IV.SNTG.HHN. ML:0.6 0.00003047676 0.16 AML other m 2023-09-22T12:20:30.28
IV.SNTG.HNE. ML:0.9 0.00006659919 1.7024 AML other m 2023-09-22T12:20:30.12
IV.SNTG.HNN. ML:0.9 0.000066866795 1.1968 AML other m 2023-09-22T12:20:30.04
IV.ARVD.HHE. ML:1.1 0.00007759497999999999 0.1024 AML other m 2023-09-22T12:20:30.25
IV.ARVD.HHN. ML:0.7 0.000037214339999999996 0.0768 AML other m 2023-09-22T12:20:30.39
IV.PIEI.HNE. ML:1.1 0.000067000595 0.7104 AML other m 2023-09-22T12:20:32.07
IV.PIEI.HNN. ML:1.2 0.000077199135 1.408 AML other m 2023-09-22T12:20:31.85
IV.NARO.HHE. ML:0.5 0.00001628683 0.0576 AML other m 2023-09-22T12:20:33.27
IV.NARO.HHN. ML:0.5 0.00001377154 0.0576 AML other m 2023-09-22T12:20:34.38
IV.MML1.HNE. ML:1.2 0.00006939041 0.4928 AML other m 2023-09-22T12:20:33.58
IV.MML1.HNN. ML:1.3 0.00008790767500000001 0.704 AML other m 2023-09-22T12:20:32.23
IV.MML1.EHE. ML:0.8 0.000028595476 0.2432 AML other m 2023-09-22T12:20:33.38
IV.MML1.EHN. ML:0.7 0.000021889855 0.2176 AML other m 2023-09-22T12:20:33.50
IV.FDMO.HHE. ML:0.7 0.000013501564000000001 0.1216 AML other m 2023-09-22T12:20:37.40
IV.FDMO.HHN. ML:0.5 0.00001234302 0.1408 AML other m 2023-09-22T12:20:37.32
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