Earthquake with magnitude of ML 0.7 on date 20-02-2023 and time 02:25:33 (UTC) in region 7 km N Gubbio (PG)

A magnitude ML 0.7 earthquake occured in region: 7 km N Gubbio (PG), on

  • 20-02-2023 02:25:33 (UTC)
  • 20-02-2023 03:25:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4160, 12.5630 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
Gubbio PG 7 32216 32216
Cantiano PU 8 2245 34461
Scheggia e Pascelupo PG 9 1393 35854
Pietralunga PG 11 2111 37965
Costacciaro PG 14 1216 39181
Cagli PU 16 8731 47912
Sigillo PG 17 2404 50316
Frontone PU 18 1300 51616
Serra Sant'Abbondio PU 19 1027 52643
Apecchio PU 20 1882 54525
Piobbico PU 20 2029 56554
Montone PG 20 1680 58234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
52 Km N of Foligno (57155 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
60 Km SW of Fano (60888 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
80 Km W of Ancona (100861 inhabitants)
84 Km SE of Cesena (96758 inhabitants)
95 Km N of Terni (111501 inhabitants)
99 Km SE of Forlì (117913 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 2023-02-20
02:25:33
43.4157 12.563 10 2023-02-20
02:37:12
Sala Sismica INGV-Roma 114612821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-20 02:25:33 ± 0.05
Latitude 43.4157 ± 0.0018
Longitude 12.5630 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114612821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 221
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 114612821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-20 02:37:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.EHZ. 2023-02-20T02:25:43.00 3.0 negative manual P -1.96 0
IV.SSFR.HHZ. 2023-02-20T02:25:40.56 0.6 undecidable manual S 83 17.7711 120 0.1 49
IV.FRON.EHZ. 2023-02-20T02:25:40.33 0.1 undecidable manual S 49 17.2716 121 0.01 99
IV.MURB.HHZ. 2023-02-20T02:25:40.26 0.1 undecidable manual S 190 17.2716 121 -0.03 99
IV.PIEI.HHZ. 2023-02-20T02:25:39.19 0.6 undecidable manual S 350 13.4754 127 -0.03 50
IV.ARVD.HHZ. 2023-02-20T02:25:39.72 0.3 undecidable manual P 73 31.8459 50 -0.01 73
IV.NARO.HHZ. 2023-02-20T02:25:38.00 0.1 undecidable manual P 4 21.6672 116 -0.13 96
IV.ATFO.HHZ. 2023-02-20T02:25:37.30 0.1 undecidable manual S 173 5.4945 152 -0.08 100
IV.MURB.HHZ. 2023-02-20T02:25:37.43 0.1 undecidable manual P 190 17.2716 121 0.09 98
IV.FOSV.EHZ. 2023-02-20T02:25:37.87 0.1 undecidable manual P 130 20.868 116 -0.11 97
IV.SSFR.HHZ. 2023-02-20T02:25:37.55 1.0 undecidable manual P 83 17.7711 120 0.11 24
IV.FRON.EHZ. 2023-02-20T02:25:37.35 0.1 undecidable manual P 49 17.2716 121 -0.01 99
IV.PIEI.HHZ. 2023-02-20T02:25:36.81 0.1 undecidable manual P 350 13.4754 127 0.09 99
IV.ATFO.HHZ. 2023-02-20T02:25:35.77 0.1 undecidable manual P 173 5.4945 152 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.5 0.00004765 0.66 AML other m 2023-02-20T02:25:37.48
IV.ATFO.HHN. ML:0.5 0.0000477 0.18 AML other m 2023-02-20T02:25:37.51
IV.MURB.HHN. ML:1.0 0.0000761 0.36 AML other m 2023-02-20T02:25:40.74
IV.SSFR.HHN. ML:0.6 0.0000367 0.16 AML other m 2023-02-20T02:25:40.70
IV.SSFR.HHE. ML:0.8 0.00005 0.26 AML other m 2023-02-20T02:25:40.82
IV.MURB.HHE. ML:0.9 0.0000617 0.38 AML other m 2023-02-20T02:25:41.20
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