Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 16-04-2023 and time 13:08:06 (Italy) in region 1 km E Costacciaro (PG)

A magnitude ML 0.6 earthquake occured in region: 1 km E Costacciaro (PG), on

  • 16-04-2023 11:08:06 (UTC)
  • 16-04-2023 13:08:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3610, 12.7260 at 14 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
Costacciaro PG 1 1216 1216
Sigillo PG 3 2404 3620
Scheggia e Pascelupo PG 7 1393 5013
Fossato di Vico PG 8 2840 7853
Gubbio PG 12 32216 40069
Sassoferrato AN 14 7285 47354
Fabriano AN 15 31480 78834
Cantiano PU 15 2245 81079
Serra Sant'Abbondio PU 15 1027 82106
Gualdo Tadino PG 15 15208 97314
Frontone PU 17 1300 98614
Genga AN 19 1797 100411

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
59 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
69 Km E of Arezzo (99543 inhabitants)
70 Km W of Ancona (100861 inhabitants)
79 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
95 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 0.6 2023-04-16
11:08:06		 43.3608 12.7263 14 2023-04-16
11:13:20		 Sala Sismica INGV-Roma 116430201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-16 11:08:06 ± 0.12
Latitude 43.3608 ± 0.0036
Longitude 12.7263 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116430201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 230
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27160
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 116430201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-16 11:13:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-04-16T11:08:17.40 0.6 undecidable manual S 337 30.1476 100 -0.03 96
IV.PIEI.HHZ. 2023-04-16T11:08:16.04 0.6 undecidable manual S 322 24.753 104 0 98
IV.ARVD.HHZ. 2023-04-16T11:08:15.56 0.6 undecidable manual S 49 23.0547 106 -0.04 97
IV.SNTG.HHZ. 2023-04-16T11:08:14.90 0.6 undecidable manual S 124 20.868 109 -0.14 96
IV.FRON.EHZ. 2023-04-16T11:08:14.07 0.6 undecidable manual S 360 17.3715 115 -0.11 97
IV.MML1.EHZ. 2023-04-16T11:08:13.71 3.0 undecidable manual P 0.21 0
IV.PIEI.HHZ. 2023-04-16T11:08:12.16 1.0 undecidable manual P 322 24.753 104 0.01 49
IV.NARO.HHZ. 2023-04-16T11:08:12.71 1.0 positive manual P 337 30.1476 100 -0.25 46
IV.FOSV.EHZ. 2023-04-16T11:08:12.11 0.6 undecidable manual S 159 7.7811 144 -0.09 99
IV.SSFR.HHZ. 2023-04-16T11:08:12.49 0.6 undecidable manual S 28 9.4794 138 0.01 100
IV.FRON.EHZ. 2023-04-16T11:08:11.10 0.6 negative manual P 360 17.3715 115 0.02 99
IV.SNTG.HHZ. 2023-04-16T11:08:11.65 0.6 positive manual P 124 20.868 109 0.07 97
IV.ARVD.HHZ. 2023-04-16T11:08:11.92 0.6 undecidable manual P 49 23.0547 106 0.02 98
IV.SSFR.HHZ. 2023-04-16T11:08:10.49 0.6 undecidable manual P 28 9.4794 138 0.39 93
IV.FOSV.EHZ. 2023-04-16T11:08:10.01 0.6 positive manual P 159 7.7811 144 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:0.9 0.00008225 0.12 AML other m 2023-04-16T11:08:12.98
IV.SSFR.HHN. ML:1.0 0.0000988 1.34 AML other m 2023-04-16T11:08:13.14
IV.FOSV.EHE. ML:0.4 0.000023866757 0.096 AML other m 2023-04-16T11:08:12.25
IV.FOSV.EHN. ML:0.4 0.0000239934 0.096 AML other m 2023-04-16T11:08:12.27
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