Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 21-06-2023 and time 20:24:39 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 21-06-2023 20:24:39 (UTC)
  • 21-06-2023 22:24:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9760, 13.0440 at 4 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 4 145 145
Visso MC 6 1107 1252
Pieve Torina MC 8 1458 2710
Fiordimonte MC 8 202 2912
Ussita MC 9 444 3356
Pievebovigliana MC 10 866 4222
Preci PG 11 724 4946
Fiastra MC 11 559 5505
Muccia MC 12 915 6420
Acquacanina MC 12 121 6541
Castelsantangelo sul Nera MC 13 281 6822
Serravalle di Chienti MC 13 1070 7892
Sellano PG 14 1079 8971
Bolognola MC 15 142 9113
Camerino MC 18 6974 16087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 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 2023-06-21
20:24:39		 42.9763 13.0437 4 2023-06-21
20:36:41		 Sala Sismica INGV-Roma 118623801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-21 20:24:39 ± 0.09
Latitude 42.9763 ± 0.0027
Longitude 13.0437 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118623801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 336
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.28868
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 118623801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-21 20:36:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-06-21T20:24:50.70 0.3 undecidable manual S 345 32.0457 97 0.01 72
IV.MMO1.EHZ. 2023-06-21T20:24:48.12 0.3 undecidable manual S 110 24.5532 99 0.01 73
IV.CSP1.EHZ. 2023-06-21T20:24:46.27 0.3 undecidable manual S 45 18.2706 103 0.28 69
IV.SNTG.HHZ. 2023-06-21T20:24:45.86 0.3 undecidable manual P 345 32.0457 97 -0.09 70
IV.NRCA.HHZ. 2023-06-21T20:24:45.70 0.1 undecidable manual S 160 16.872 104 0.21 94
IV.MML1.EHE. 2023-06-21T20:24:45.38 0.1 undecidable manual S 339 16.2726 104 0.07 97
IV.CESI.HHZ. 2023-06-21T20:24:44.09 0.3 undecidable manual S 286 11.6772 109 0.3 70
IV.MMO1.EHZ. 2023-06-21T20:24:44.28 0.3 undecidable manual P 110 24.5532 99 -0.18 70
IV.CESI.HHZ. 2023-06-21T20:24:42.04 0.3 undecidable manual P 286 11.6772 109 0.07 73
IV.CSP1.EHZ. 2023-06-21T20:24:42.72 0.3 undecidable manual P 45 18.2706 103 -0.52 66
IV.FDMO.HHZ. 2023-06-21T20:24:42.72 0.6 undecidable manual S 28 7.5813 118 0.26 47
IV.NRCA.HHZ. 2023-06-21T20:24:42.85 0.3 undecidable manual P 160 16.872 104 -0.1 72
IV.MML1.EHE. 2023-06-21T20:24:42.82 0.1 undecidable manual P 339 16.2726 104 -0.03 98
IT.MTCL.HGZ. 2023-06-21T20:24:41.26 0.1 undecidable manual S 299 4.0959 135 -0.23 96
IV.FDMO.HHZ. 2023-06-21T20:24:41.30 0.1 undecidable manual P 28 7.5813 118 0.09 98
IV.FEMA.HNZ. 2023-06-21T20:24:40.98 0.3 undecidable manual S 163 1.5984 158 -0.03 75
IT.MTCL.HGZ. 2023-06-21T20:24:40.55 0.1 undecidable manual P 299 4.0959 135 -0.09 99
IV.FEMA.HNZ. 2023-06-21T20:24:40.41 0.1 undecidable manual P 163 1.5984 158 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.0001126 0.18 AML other m 2023-06-21T20:24:42.91
IV.FDMO.HHN. ML:0.7 0.00007775 1.74 AML other m 2023-06-21T20:24:43.87
IV.CESI.HHN. ML:0.9 0.000118 0.14 AML other m 2023-06-21T20:24:44.31
IV.CESI.HHE. ML:0.6 0.00005465000000000001 0.78 AML other m 2023-06-21T20:24:44.41
IV.NRCA.HHE. ML:0.7 0.0000537 0.16 AML other m 2023-06-21T20:24:46.07
IV.NRCA.HHN. ML:0.7 0.000052199999999999995 0.78 AML other m 2023-06-21T20:24:46.02
IV.SNTG.HHN. ML:0.5 0.000012549999999999998 0.96 AML other m 2023-06-21T20:24:51.11
IV.SNTG.HHE. ML:0.3 0.000008325 1.1 AML other m 2023-06-21T20:24:52.64
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