Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 08-06-2023 and time 23:13:31 (UTC) in region 7 km NW Nocera Umbra (PG)

A magnitude ML 0.6 earthquake occured in region: 7 km NW Nocera Umbra (PG), on

  • 08-06-2023 23:13:31 (UTC)
  • 09-06-2023 01:13:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1690, 12.7490 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
Nocera Umbra PG 7 5839 5839
Gualdo Tadino PG 8 15208 21047
Valfabbrica PG 12 3389 24436
Valtopina PG 12 1398 25834
Fossato di Vico PG 14 2840 28674
Fiuminata MC 15 1402 30076
Assisi PG 15 28299 58375
Sefro MC 17 422 58797
Sigillo PG 18 2404 61201
Esanatoglia MC 19 2034 63235
Pioraco MC 19 1134 64369
Serravalle di Chienti MC 20 1070 65439
Bastia Umbra PG 20 21874 87313

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of Foligno (57155 inhabitants)
30 Km E of Perugia (166134 inhabitants)
68 Km N of Terni (111501 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
78 Km S of Fano (60888 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
84 Km S of Pesaro (94582 inhabitants)
96 Km NW of Teramo (54892 inhabitants)
99 Km NE of Viterbo (67173 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 2023-06-08
23:13:31		 43.169 12.7488 11 2023-06-08
23:19:51		 Sala Sismica INGV-Roma 118227041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-08 23:13:31 ± 0.04
Latitude 43.1690 ± 0.0018
Longitude 12.7488 ± 0.0062
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118227041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 206
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.34894
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118227041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-08 23:19:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-06-08T23:13:44.07 0.3 undecidable manual S 357 38.7279 50 -0.02 71
IV.SSFR.HHZ. 2023-06-08T23:13:41.82 0.3 undecidable manual S 5 29.748 50 0.12 73
IV.ATSC.EHN. 2023-06-08T23:13:41.35 0.3 undecidable manual S 350 28.749 50 -0.07 72
IV.CESI.HHZ. 2023-06-08T23:13:39.63 0.3 undecidable manual S 145 22.1556 50 -0.04 73
IV.FRON.EHZ. 2023-06-08T23:13:38.57 0.1 undecidable manual P 357 38.7279 50 -0.12 94
IV.MML1.EHN. 2023-06-08T23:13:38.78 0.3 undecidable manual S 109 19.0698 50 -0.06 74
IV.FOSV.EHZ. 2023-06-08T23:13:37.28 0.3 undecidable manual S 4 13.9749 128 -0.21 73
IV.SSFR.HHZ. 2023-06-08T23:13:37.28 0.1 undecidable manual P 5 29.748 50 -0.02 97
IV.ASSB.HHZ. 2023-06-08T23:13:37.72 0.3 undecidable manual S 208 15.7731 50 -0.26 71
IV.ATSC.EHN. 2023-06-08T23:13:37.07 0.1 undecidable manual P 350 28.749 50 -0.07 96
IV.ATCC.EHZ. 2023-06-08T23:13:36.40 0.3 undecidable manual S 282 8.9799 141 0.15 74
IV.CESI.HHZ. 2023-06-08T23:13:36.19 0.1 undecidable manual P 145 22.1556 50 0.06 99
IV.MML1.EHN. 2023-06-08T23:13:35.84 0.1 undecidable manual P 109 19.0698 50 0.19 97
IV.ASSB.HHZ. 2023-06-08T23:13:35.13 0.1 undecidable manual P 208 15.7731 50 -0.02 100
IV.ATCC.EHZ. 2023-06-08T23:13:34.36 0.1 negative manual P 282 8.9799 141 0.2 98
IV.FOSV.EHZ. 2023-06-08T23:13:34.93 0.1 undecidable manual P 4 13.9749 128 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.6 0.00005345 0.18 AML other m 2023-06-08T23:13:36.68
IV.ATCC.EHN. ML:0.5 0.0000382 1.06 AML other m 2023-06-08T23:13:37.66
IV.FOSV.EHE. ML:0.3 0.0000188 0.18 AML other m 2023-06-08T23:13:37.43
IV.FOSV.EHN. ML:0.4 0.0000246 0.48 AML other m 2023-06-08T23:13:37.88
IV.ASSB.HHN. ML:0.7 0.0000392 0.32 AML other m 2023-06-08T23:13:37.99
IV.ASSB.HHE. ML:0.8 0.00005624999999999999 1.7 AML other m 2023-06-08T23:13:37.07
IV.SSFR.HHE. ML:0.8 0.000030550000000000004 0.24 AML other m 2023-06-08T23:13:42.24
IV.SSFR.HHN. ML:0.6 0.000021649999999999998 0.54 AML other m 2023-06-08T23:13:43.40
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