Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 01-06-2023 and time 07:50:53 (UTC) in region 7 km W Monte Cavallo (MC)

A magnitude ML 0.3 earthquake occured in region: 7 km W Monte Cavallo (MC), on

  • 01-06-2023 07:50:53 (UTC)
  • 01-06-2023 09:50:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9660, 12.9250 at 9 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
Monte Cavallo MC 7 145 145
Sellano PG 9 1079 1224
Serravalle di Chienti MC 12 1070 2294
Preci PG 13 724 3018
Pieve Torina MC 14 1458 4476
Visso MC 14 1107 5583
Fiordimonte MC 16 202 5785
Muccia MC 16 915 6700
Cerreto di Spoleto PG 16 1075 7775
Pievebovigliana MC 17 866 8641
Valtopina PG 17 1398 10039
Trevi PG 17 8469 18508
Ussita MC 18 444 18952
Foligno PG 18 57155 76107
Nocera Umbra PG 20 5839 81946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
50 Km NE of Terni (111501 inhabitants)
72 Km W of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
98 Km S of Fano (60888 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 0.3 2023-06-01
07:50:53		 42.9663 12.9252 9 2023-06-01
07:57:58		 Sala Sismica INGV-Roma 117938481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-01 07:50:53 ± 0.09
Latitude 42.9663 ± 0.0045
Longitude 12.9252 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117938481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 388
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 184
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
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) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.41639
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117938481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-01 07:57:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-06-01T07:51:03.17 0.6 undecidable manual S 58 26.6511 109 0.05 49
IV.MURB.HHZ. 2023-06-01T07:51:02.31 0.1 undecidable manual P 316 46.2204 50 0.11 94
IV.NRCA.HHZ. 2023-06-01T07:51:01.27 0.6 undecidable manual S 134 21.2676 113 -0.12 49
IV.MML1.HNZ. 2023-06-01T07:51:00.00 0.6 undecidable manual S 13 16.7721 118 0.03 50
IV.FDMO.HHZ. 2023-06-01T07:50:59.65 0.6 undecidable manual S 59 15.2736 120 0.12 50
IV.ASSB.HHZ. 2023-06-01T07:50:58.48 0.1 undecidable manual P 291 23.2545 111 0.11 98
IV.FEMA.HNZ. 2023-06-01T07:50:58.33 0.1 undecidable manual S 93 10.0788 131 0.26 97
IV.CSP1.EHZ. 2023-06-01T07:50:58.76 0.6 undecidable manual P 58 26.6511 109 -0.25 47
IT.MTCL.HGZ. 2023-06-01T07:50:57.31 0.6 undecidable manual S 63 6.7932 143 0.04 51
IV.NRCA.HHZ. 2023-06-01T07:50:57.83 1.0 negative manual P 134 21.2676 113 -0.18 24
IV.MML1.HNZ. 2023-06-01T07:50:57.07 0.1 undecidable manual P 13 16.7721 118 -0.12 99
IV.FDMO.HHZ. 2023-06-01T07:50:56.93 0.6 negative manual P 59 15.2736 120 0 51
IV.CESI.HHZ. 2023-06-01T07:50:56.84 0.6 undecidable manual S 339 4.5954 153 -0.02 51
IV.FEMA.HNZ. 2023-06-01T07:50:56.21 0.1 undecidable manual P 93 10.0788 131 0.12 100
IV.CESI.HHZ. 2023-06-01T07:50:55.40 1.0 positive manual P 339 4.5954 153 0.01 26
IT.MTCL.HGZ. 2023-06-01T07:50:55.24 0.1 undecidable manual P 63 6.7932 143 -0.39 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.2 0.000031578305 0.0768 AML other m 2023-06-01T07:50:56.95
IV.CESI.HHN. ML:0.3 0.000037195975 0.0576 AML other m 2023-06-01T07:50:56.86
IV.FDMO.HHE. ML:0.2 0.000012575835 0.1216 AML other m 2023-06-01T07:50:59.63
IV.FDMO.HHN. ML:0.0 0.00001075538 0.1216 AML other m 2023-06-01T07:50:59.60
IV.NRCA.HHE. ML:0.2 0.000009466163999999999 0.16 AML other m 2023-06-01T07:51:02.50
IV.NRCA.HHN. ML:0.3 0.000013030935 0.096 AML other m 2023-06-01T07:51:01.58
IV.CSP1.EHE. ML:0.6 0.000023942019999999993 0.8384 AML other m 2023-06-01T07:51:08.63
IV.CSP1.EHN. ML:0.8 0.000033837985 0.7424 AML other m 2023-06-01T07:51:02.46
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