Earthquake with magnitude of ML 0.7 on date 18-03-2023 and time 18:50:22 (UTC) in region 3 km E Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 3 km E Monte Cavallo (MC), on

  • 18-03-2023 18:50:22 (UTC)
  • 18-03-2023 19:50:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9800, 13.0400 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.

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 7 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 11 915 6420
Serravalle di Chienti MC 12 1070 7490
Acquacanina MC 12 121 7611
Castelsantangelo sul Nera MC 13 281 7892
Sellano PG 14 1079 8971
Bolognola MC 15 142 9113
Camerino MC 18 6974 16087
Sefro MC 20 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
57 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)
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 0.7 2023-03-18
18:50:22
42.9805 13.0395 4 2023-03-18
18:57:50
Sala Sismica INGV-Roma 115516511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-18 18:50:22 ± 0.09
Latitude 42.9805 ± 0.0027
Longitude 13.0395 ± 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 115516511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 328
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 30
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.22573
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:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 115516511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-18 18:57:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-03-18T18:50:31.64 0.6 undecidable manual S 111 25.0527 98 0.13 47
IV.NRCA.HHZ. 2023-03-18T18:50:29.19 0.6 undecidable manual S 160 17.3715 101 0.28 46
IV.CSP1.EHZ. 2023-03-18T18:50:29.38 0.6 undecidable manual S 47 18.2706 101 0.19 47
IV.MMO1.EHZ. 2023-03-18T18:50:27.61 1.0 negative manual P 111 25.0527 98 -0.2 23
IV.CESI.HHZ. 2023-03-18T18:50:27.12 0.6 undecidable manual S 284 11.2776 107 0.27 47
IV.MML1.EHZ. 2023-03-18T18:50:26.07 0.3 undecidable manual P 340 15.7731 103 0.09 72
7F.SIB1.EHZ. 2023-03-18T18:50:26.70 0.1 undecidable manual P 117 20.9679 99 -0.31 91
IV.NRCA.HHZ. 2023-03-18T18:50:26.19 0.6 undecidable manual P 160 17.3715 101 -0.12 48
IV.CSP1.EHZ. 2023-03-18T18:50:26.58 1.0 positive manual P 47 18.2706 101 0.11 24
IV.FDMO.HHZ. 2023-03-18T18:50:25.59 0.6 undecidable manual S 32 7.2927 116 0.03 49
IV.CESI.HHZ. 2023-03-18T18:50:25.20 0.1 positive manual P 284 11.2776 107 0.09 97
IV.FDMO.HHZ. 2023-03-18T18:50:24.37 0.6 undecidable manual P 32 7.2927 116 -0.01 50
IT.MTCL.HGN. 2023-03-18T18:50:24.33 0.1 undecidable manual S 295 3.5964 134 -0.16 97
IV.FEMA.HNN. 2023-03-18T18:50:24.29 0.1 undecidable manual S 158 2.1978 148 0.1 98
IT.MTCL.HGN. 2023-03-18T18:50:23.60 0.1 undecidable manual P 295 3.5964 134 -0.15 97
IV.FEMA.HNN. 2023-03-18T18:50:23.59 0.1 undecidable manual P 158 2.1978 148 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.5 0.0000492 0.3 AML other m 2023-03-18T18:50:27.43
IV.CESI.HHN. ML:0.6 0.00007095 0.24 AML other m 2023-03-18T18:50:27.58
IV.NRCA.HHN. ML:0.7 0.000047149999999999994 0.12 AML other m 2023-03-18T18:50:29.69
IV.NRCA.HHE. ML:0.8 0.00006285000000000001 0.12 AML other m 2023-03-18T18:50:29.66
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