Earthquake with magnitude of ML 0.8 on date 30-10-2023 and time 19:14:49 (UTC) in region 3 km SE Monte Cavallo (MC)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Monte Cavallo (MC), on

  • 30-10-2023 19:14:49 (UTC)
  • 30-10-2023 20:14:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9780, 13.0360 at 2 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
Visso MC 7 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
Muccia MC 12 915 5861
Fiastra MC 12 559 6420
Serravalle di Chienti MC 13 1070 7490
Acquacanina MC 13 121 7611
Sellano PG 13 1079 8690
Castelsantangelo sul Nera MC 13 281 8971
Bolognola MC 16 142 9113
Camerino MC 18 6974 16087
Sefro MC 20 422 16509
Cerreto di Spoleto PG 20 1075 17584

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
96 Km S of Fano (60888 inhabitants)
98 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 0.8 2023-10-30
19:14:49
42.9783 13.0362 2 2023-10-30
19:25:22
Sala Sismica INGV-Roma 122590591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-30 19:14:49 ± 0.18
Latitude 42.9783 ± 0.0054
Longitude 13.0362 ± 0.0049
Depth (km) 2 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122590591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 415
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 9
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16727
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 122590591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-30 19:25:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHZ. 2023-10-30T19:15:36.71 3.0 undecidable manual Sn -0.09 0
IV.CESI.HHZ. 2023-10-30T19:14:54.00 0.3 undecidable manual S 285 11.0778 100 0.31 70
IV.CSP1.EHZ. 2023-10-30T19:14:53.77 0.3 undecidable manual P 47 18.5703 96 0.24 70
IV.FDMO.HHZ. 2023-10-30T19:14:52.61 0.3 undecidable manual S 33 7.6812 104 0.08 74
IV.RCAV.EHZ. 2023-10-30T19:14:52.32 3.0 undecidable manual P -0.04 0
IV.FDMO.HHZ. 2023-10-30T19:14:51.18 0.1 positive manual P 33 7.6812 104 -0.19 96
IV.CESI.HHZ. 2023-10-30T19:14:51.91 0.1 undecidable manual P 285 11.0778 100 -0.13 96
IT.MTCL.HGN. 2023-10-30T19:14:51.13 0.1 undecidable manual S 300 3.4965 119 -0.02 100
IT.MTCL.HGN. 2023-10-30T19:14:50.43 0.1 undecidable manual P 300 3.4965 119 -0.15 97
IV.FEMA.HNN. 2023-10-30T19:14:50.85 0.3 undecidable manual S 148 2.0979 132 0.08 74
IV.FEMA.HNN. 2023-10-30T19:14:50.31 0.1 undecidable manual P 148 2.0979 132 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.8 0.00007139999999999999 0.54 AML other m 2023-10-30T19:14:54.36
IV.MML1.EHN. ML:0.8 0.00006625 0.42 AML other m 2023-10-30T19:15:07.72
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