Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 04-06-2023 and time 04:56:28 (UTC) in region 9 km SW Serravalle di Chienti (MC)

A magnitude ML 0.4 earthquake occured in region: 9 km SW Serravalle di Chienti (MC), on

  • 04-06-2023 04:56:28 (UTC)
  • 04-06-2023 06:56:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0050, 12.8840 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
Serravalle di Chienti MC 9 1070 1070
Monte Cavallo MC 10 145 1215
Valtopina PG 12 1398 2613
Sellano PG 13 1079 3692
Nocera Umbra PG 14 5839 9531
Pieve Torina MC 14 1458 10989
Foligno PG 16 57155 68144
Muccia MC 16 915 69059
Sefro MC 17 422 69481
Fiordimonte MC 17 202 69683
Spello PG 17 8645 78328
Pievebovigliana MC 18 866 79194
Trevi PG 18 8469 87663
Visso MC 19 1107 88770
Preci PG 19 724 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
53 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
84 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
94 Km S of Fano (60888 inhabitants)
96 Km SE of Arezzo (99543 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 0.4 2023-06-04
04:56:28		 43.005 12.8835 14 2023-06-04
05:04:33		 Sala Sismica INGV-Roma 118074691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-04 04:56:28 ± 0.15
Latitude 43.0050 ± 0.0063
Longitude 12.8835 ± 0.0086
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 118074691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 653
Semi-minor axis of confidence ellipse (meter) 549
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 118074691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-04 05:04:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-06-04T04:56:37.64 0.6 undecidable manual S 135 26.751 101 -0.02 49
IV.SSFR.HHZ. 2023-06-04T04:56:36.63 0.3 positive manual P 350 48.5181 94 -0.29 67
IV.ASSB.HHZ. 2023-06-04T04:56:35.64 0.6 undecidable manual S 283 18.6702 111 0.04 49
IV.MML1.EHZ. 2023-06-04T04:56:34.64 0.6 undecidable manual S 31 13.9749 122 0.17 48
IV.NRCA.HHZ. 2023-06-04T04:56:33.55 1.0 negative manual P 135 26.751 101 -0.03 24
IV.MML1.EHZ. 2023-06-04T04:56:32.01 1.0 undecidable manual P 31 13.9749 122 0.27 24
IV.ASSB.HHZ. 2023-06-04T04:56:32.51 0.6 undecidable manual P 283 18.6702 111 0.12 48
IV.CESI.HHZ. 2023-06-04T04:56:32.39 0.6 undecidable manual S 90 1.6983 171 -0.22 49
IV.CESI.HHZ. 2023-06-04T04:56:30.76 0.1 negative manual P 90 1.6983 171 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.3 0.000027099999999999998 0.3 AML other m 2023-06-04T04:56:32.42
IV.CESI.HHE. ML:0.3 0.00002305 0.64 AML other m 2023-06-04T04:56:32.92
IV.MML1.EHE. ML:0.5 0.00003095 0.16 AML other m 2023-06-04T04:56:34.79
IV.MML1.EHN. ML:0.2 0.00001515 1.1 AML other m 2023-06-04T04:56:34.95
IV.ASSB.HHE. ML:0.4 0.000017899999999999998 0.32 AML other m 2023-06-04T04:56:35.78
IV.ASSB.HHN. ML:0.4 0.000019200000000000003 0.9 AML other m 2023-06-04T04:56:35.82
IV.NRCA.HHE. ML:0.3 0.0000092 0.58 AML other m 2023-06-04T04:56:37.79
IV.NRCA.HHN. ML:0.3 0.000011200000000000001 0.64 AML other m 2023-06-04T04:56:38.35
IV.GUMA.HHN. ML:1.3 0.0000693 0.34 AML other m 2023-06-04T04:56:52.64
IV.GUMA.HHE. ML:1.1 0.00004365 0.86 AML other m 2023-06-04T04:56:52.43
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