Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 30-12-2023 and time 15:38:12 (UTC) in region 6 km W Monte Cavallo (MC)

A magnitude ML 0.6 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 30-12-2023 15:38:12 (UTC)
  • 30-12-2023 16:38:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0010, 12.9280 at 12 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 6 145 145
Serravalle di Chienti MC 8 1070 1215
Pieve Torina MC 11 1458 2673
Sellano PG 12 1079 3752
Muccia MC 13 915 4667
Fiordimonte MC 14 202 4869
Pievebovigliana MC 15 866 5735
Visso MC 15 1107 6842
Valtopina PG 16 1398 8240
Preci PG 16 724 8964
Sefro MC 16 422 9386
Nocera Umbra PG 17 5839 15225
Ussita MC 18 444 15669
Foligno PG 19 57155 72824
Camerino MC 19 6974 79798
Fiastra MC 19 559 80357
Trevi PG 20 8469 88826

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
54 Km NE of Terni (111501 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
82 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
93 Km NE of Viterbo (67173 inhabitants)
94 Km S of Fano (60888 inhabitants)
99 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 0.6 2023-12-30
15:38:12		 43.0008 12.9277 12 2023-12-30
15:47:11		 Sala Sismica INGV-Roma 124358991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-30 15:38:12 ± 0.06
Latitude 43.0008 ± 0.0036
Longitude 12.9277 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124358991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 34
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) 97
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01709
Epicentral distance of station farthest from the epicenter (degree) 0.30937
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 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 124358991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-30 15:47:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-12-30T15:38:22.70 0.6 undecidable manual S 2 28.2495 93 0.01 49
IV.NRCA.HHZ. 2023-12-30T15:38:21.57 0.3 undecidable manual S 141 23.9538 94 0.02 74
IV.ASSB.HHZ. 2023-12-30T15:38:21.18 0.3 undecidable manual S 282 22.2555 94 0.07 73
IV.GAVE.EHZ. 2023-12-30T15:38:19.11 0.3 undecidable manual P 185 34.3434 92 -0.3 69
IV.MML1.EHZ. 2023-12-30T15:38:18.55 0.3 undecidable manual S 16 12.9759 112 -0.12 74
IV.FDMO.HHZ. 2023-12-30T15:38:18.68 0.3 undecidable manual S 73 13.5753 110 -0.13 74
IV.SNTG.HHZ. 2023-12-30T15:38:18.48 0.6 positive manual P 2 28.2495 93 0.02 49
IV.ASSB.HHZ. 2023-12-30T15:38:17.33 0.3 undecidable manual P 282 22.2555 94 -0.23 72
IT.MTCL.HGE. 2023-12-30T15:38:17.04 0.1 undecidable manual S 98 5.8941 145 -0.15 99
IV.NRCA.HHZ. 2023-12-30T15:38:17.90 0.1 positive manual P 141 23.9538 94 0.09 97
IV.CESI.HHN. 2023-12-30T15:38:16.74 0.6 undecidable manual S 283 1.8981 168 -0.03 51
IV.MML1.EHZ. 2023-12-30T15:38:16.30 0.6 positive manual P 16 12.9759 112 0.15 49
IV.FDMO.HHZ. 2023-12-30T15:38:16.39 0.1 undecidable manual P 73 13.5753 110 0.17 98
IV.CESI.HHN. 2023-12-30T15:38:15.25 0.1 undecidable manual P 283 1.8981 168 0.2 99
IT.MTCL.HGE. 2023-12-30T15:38:15.41 0.1 undecidable manual P 98 5.8941 145 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.8 0.00003735 0.18 AML other m 2023-12-30T15:38:21.74
IV.NRCA.HHN. ML:0.8 0.00003985 1.2 AML other m 2023-12-30T15:38:21.90
IV.MML1.EHE. ML:0.8 0.000053251655 0.1536 AML other m 2023-12-30T15:38:18.80
IV.MML1.EHN. ML:0.6 0.00003921542 0.128 AML other m 2023-12-30T15:38:18.80
IV.FDMO.HHE. ML:0.0 0.000012107673 0.0896 AML other m 2023-12-30T15:38:18.00
IV.ASSB.HHN. ML:0.4 0.0000173259965 0.0512 AML other m 2023-12-30T15:38:21.53
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