Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 04-06-2023 and time 22:41:28 (UTC) in region 6 km E Costacciaro (PG)

A magnitude ML 0.5 earthquake occured in region: 6 km E Costacciaro (PG), on

  • 04-06-2023 22:41:28 (UTC)
  • 05-06-2023 00:41:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3810, 12.7840 at 15 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 6 1216 1216
Sigillo PG 6 2404 3620
Sassoferrato AN 9 7285 10905
Fossato di Vico PG 10 2840 13745
Scheggia e Pascelupo PG 10 1393 15138
Fabriano AN 11 31480 46618
Serra Sant'Abbondio PU 12 1027 47645
Genga AN 14 1797 49442
Frontone PU 15 1300 50742
Cantiano PU 16 2245 52987
Gualdo Tadino PG 17 15208 68195
Gubbio PG 17 32216 100411
Cerreto d'Esi AN 18 3817 104228
Arcevia AN 18 4612 108840
Esanatoglia MC 19 2034 110874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
48 Km N of Foligno (57155 inhabitants)
55 Km SW of Fano (60888 inhabitants)
60 Km S of Pesaro (94582 inhabitants)
65 Km W of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
78 Km S of Rimini (147750 inhabitants)
92 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 0.5 2023-06-04
22:41:28		 43.3807 12.7842 15 2023-06-04
22:45:21		 Sala Sismica INGV-Roma 118112781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 22:41:28 ± 0.05
Latitude 43.3807 ± 0.0018
Longitude 12.7842 ± 0.0025
Depth (km) 15 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118112781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 175
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.27339
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 118112781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 22:45:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-06-04T22:41:39.30 0.3 undecidable manual S 327 30.3474 102 0.03 72
IV.MPAG.EHZ. 2023-06-04T22:41:38.68 0.6 undecidable manual S 356 27.6501 104 0.12 47
IV.SNTG.HHZ. 2023-06-04T22:41:36.30 0.6 undecidable manual S 138 18.7701 115 -0.04 49
IV.ARVD.HHZ. 2023-06-04T22:41:36.14 0.3 undecidable manual S 44 18.1707 116 -0.04 73
IV.FRON.EHZ. 2023-06-04T22:41:35.55 0.6 undecidable manual S 343 15.873 121 -0.1 48
IV.FOSV.EHZ. 2023-06-04T22:41:34.31 0.6 undecidable manual S 191 9.6792 139 -0.06 49
IV.MPAG.EHZ. 2023-06-04T22:41:34.22 0.6 undecidable manual P 356 27.6501 104 -0.14 47
IV.NARO.HHZ. 2023-06-04T22:41:34.75 0.1 undecidable manual P 327 30.3474 102 -0.01 96
IV.SSFR.HHZ. 2023-06-04T22:41:33.86 0.3 undecidable manual S 359 6.1938 152 0.02 75
IV.ARVD.HHZ. 2023-06-04T22:41:33.00 0.1 undecidable manual P 44 18.1707 116 0.02 98
IV.SNTG.HHZ. 2023-06-04T22:41:33.15 0.3 undecidable manual P 138 18.7701 115 0.08 73
IV.FRON.EHZ. 2023-06-04T22:41:32.65 1.0 undecidable manual P 343 15.873 121 -0.03 25
IV.SSFR.HHZ. 2023-06-04T22:41:31.68 0.1 undecidable manual P 359 6.1938 152 0.05 100
IV.FOSV.EHZ. 2023-06-04T22:41:31.94 0.1 positive manual P 191 9.6792 139 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:0.6 0.000045249999999999995 0.34 AML other m 2023-06-04T22:41:34.03
IV.SSFR.HHE. ML:0.7 0.0000526 0.24 AML other m 2023-06-04T22:41:34.04
IV.FOSV.EHN. ML:0.4 0.000023199999999999998 0.08 AML other m 2023-06-04T22:41:34.62
IV.FOSV.EHE. ML:0.3 0.000018250000000000003 0.5 AML other m 2023-06-04T22:41:34.77
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