Earthquake with magnitude of ML 0.3 on date 21-11-2023 and time 03:25:20 (UTC) in region 3 km E Monte Cavallo (MC)

A magnitude ML 0.3 earthquake occured in region: 3 km E Monte Cavallo (MC), on

  • 21-11-2023 03:25:20 (UTC)
  • 21-11-2023 04:25:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9970, 13.0340 at 5 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.

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 3 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 6 202 1805
Pievebovigliana MC 8 866 2671
Visso MC 9 1107 3778
Muccia MC 10 915 4693
Ussita MC 10 444 5137
Serravalle di Chienti MC 11 1070 6207
Fiastra MC 11 559 6766
Acquacanina MC 12 121 6887
Preci PG 13 724 7611
Sellano PG 15 1079 8690
Castelsantangelo sul Nera MC 15 281 8971
Camerino MC 16 6974 15945
Bolognola MC 16 142 16087
Sefro MC 18 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
100 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 0.3 2023-11-21
03:25:20
42.9973 13.0342 5 2023-11-21
03:43:02
Sala Sismica INGV-Roma 123296621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-21 03:25:20 ± 0.1
Latitude 42.9973 ± 0.0036
Longitude 13.0342 ± 0.0037
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123296621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 105
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 204
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02608
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 123296621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-21 03:43:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-11-21T03:25:31.33 0.6 undecidable manual S 279 30.8469 99 -0.34 45
IV.MMO1.EHZ. 2023-11-21T03:25:30.17 0.3 undecidable manual S 114 26.1516 100 0.11 71
IV.NRCA.HHZ. 2023-11-21T03:25:28.05 0.3 undecidable manual S 160 19.2696 104 0.31 69
7F.SIB1.EHZ. 2023-11-21T03:25:28.67 0.6 undecidable manual S 121 22.2555 102 -0.08 48
IV.CSP1.EHZ. 2023-11-21T03:25:27.08 0.3 undecidable manual S 53 17.3715 105 -0.01 74
IV.MML1.EHZ. 2023-11-21T03:25:26.05 0.3 undecidable manual S 339 13.875 109 0.13 72
IV.ASSB.HHZ. 2023-11-21T03:25:26.62 0.3 undecidable manual P 279 30.8469 99 -0.47 65
IV.MC2.EHZ. 2023-11-21T03:25:26.31 0.6 undecidable manual S 127 15.7731 107 -0.25 47
IV.MMO1.EHZ. 2023-11-21T03:25:25.94 0.3 undecidable manual P 114 26.1516 100 -0.22 69
7F.SIB1.EHZ. 2023-11-21T03:25:25.27 0.3 undecidable manual P 121 22.2555 102 -0.13 71
IV.CESI.HHZ. 2023-11-21T03:25:25.31 0.3 undecidable manual S 275 10.5783 114 0.45 68
IV.MC2.EHZ. 2023-11-21T03:25:24.02 0.6 undecidable manual P 127 15.7731 107 -0.12 48
IV.NRCA.HHZ. 2023-11-21T03:25:24.99 0.3 undecidable manual P 160 19.2696 104 0.17 71
IV.CSP1.EHZ. 2023-11-21T03:25:24.58 0.3 undecidable manual P 53 17.3715 105 0.14 72
IV.CESI.HHZ. 2023-11-21T03:25:23.36 0.1 undecidable manual P 275 10.5783 114 0.2 95
IV.MML1.EHZ. 2023-11-21T03:25:23.75 0.3 undecidable manual P 339 13.875 109 -0.02 74
IV.FDMO.HHZ. 2023-11-21T03:25:23.56 0.3 undecidable manual S 45 6.0939 128 0.02 75
IV.FDMO.HHZ. 2023-11-21T03:25:22.46 0.1 positive manual P 45 6.0939 128 0.06 99
IT.MTCL.HGZ. 2023-11-21T03:25:22.47 0.3 undecidable manual S 262 2.8971 149 -0.3 71
IT.MTCL.HGZ. 2023-11-21T03:25:21.92 0.1 undecidable manual P 262 2.8971 149 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.0 0.00003116557 0.0992 AML other m 2023-11-21T03:25:23.63
IV.FDMO.HHN. ML:0.0 0.000028396299999999998 0.08 AML other m 2023-11-21T03:25:24.13
IV.MML1.EHE. ML:-0.4 0.000007380281 0.4 AML other m 2023-11-21T03:25:26.36
IV.MML1.EHN. ML:0.1 0.0000131293425 0.6016 AML other m 2023-11-21T03:25:26.21
IV.NRCA.HHE. ML:0.1 0.0000118898275 0.3792 AML other m 2023-11-21T03:25:29.09
IV.NRCA.HHN. ML:0.4 0.00001821466 0.12 AML other m 2023-11-21T03:25:30.01
IV.MMO1.EHE. ML:0.5 0.000019300795000000003 0.32 AML other m 2023-11-21T03:25:30.42
IV.MMO1.EHN. ML:0.5 0.000019373645000000003 0.52 AML other m 2023-11-21T03:25:30.68
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