Earthquake with magnitude of ML 0.5 on date 21-04-2024 and time 12:43:26 (UTC) in region 6 km W Visso (MC)

A magnitude ML 0.5 earthquake occured in region: 6 km W Visso (MC), on

  • 21-04-2024 12:43:26 (UTC)
  • 21-04-2024 14:43:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9350, 13.0100 at 11 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
Visso MC 6 1107 1107
Preci PG 7 724 1831
Monte Cavallo MC 7 145 1976
Sellano PG 8 1079 3055
Ussita MC 11 444 3499
Castelsantangelo sul Nera MC 13 281 3780
Pieve Torina MC 13 1458 5238
Fiordimonte MC 13 202 5440
Cerreto di Spoleto PG 15 1075 6515
Pievebovigliana MC 16 866 7381
Serravalle di Chienti MC 16 1070 8451
Fiastra MC 17 559 9010
Muccia MC 17 915 9925
Norcia PG 17 4957 14882
Acquacanina MC 17 121 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
64 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
94 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 0.5 2024-04-21
12:43:26
42.9347 13.0102 11 2024-04-21
12:53:14
Sala Sismica INGV-Roma 126937161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-21 12:43:26 ± 0.08
Latitude 42.9347 ± 0.0045
Longitude 13.0102 ± 0.0074
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126937161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 653
Semi-minor axis of confidence ellipse (meter) 346
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
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) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.21224
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:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 126937161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-21 12:53:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB1.EHE. 2024-04-21T12:43:35.33 0.6 undecidable manual S 102 21.5673 50 0.11 48
IV.CSP1.EHZ. 2024-04-21T12:43:35.64 0.6 undecidable manual S 42 23.5542 50 -0.09 48
IV.MML1.EHZ. 2024-04-21T12:43:34.63 0.6 undecidable manual S 351 20.0688 50 -0.19 48
IV.FDMO.HHZ. 2024-04-21T12:43:32.72 0.6 undecidable manual S 29 12.876 130 -0.13 49
IV.NRCA.HHZ. 2024-04-21T12:43:32.72 0.6 undecidable manual S 143 14.0748 128 -0.44 46
IV.CESI.HHZ. 2024-04-21T12:43:32.50 0.6 undecidable manual S 312 11.5773 133 -0.01 50
IV.CSP1.EHZ. 2024-04-21T12:43:31.99 0.1 undecidable manual P 42 23.5542 50 -0.04 98
IT.MTCL.HGE. 2024-04-21T12:43:31.24 0.6 undecidable manual S 352 6.5934 149 -0.18 49
7F.SIB1.EHE. 2024-04-21T12:43:31.96 0.1 undecidable manual P 102 21.5673 50 0.23 94
IV.FEMA.HNE. 2024-04-21T12:43:31.26 0.6 undecidable manual S 47 4.3956 158 0.19 49
IV.MML1.EHZ. 2024-04-21T12:43:31.41 0.1 undecidable manual P 351 20.0688 50 -0.09 97
IV.CESI.HHZ. 2024-04-21T12:43:30.27 0.1 undecidable manual P 312 11.5773 133 0.1 98
IV.FDMO.HHZ. 2024-04-21T12:43:30.40 1.0 positive manual P 29 12.876 130 0.03 25
IV.NRCA.HHZ. 2024-04-21T12:43:30.41 0.3 undecidable manual P 143 14.0748 128 -0.13 73
IT.MTCL.HGE. 2024-04-21T12:43:29.60 0.1 undecidable manual P 352 6.5934 149 0.06 100
IV.FEMA.HNE. 2024-04-21T12:43:29.54 0.1 undecidable manual P 47 4.3956 158 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.4 0.000027406775 0.14 AML other m 2024-04-21T12:43:32.62
IV.CESI.HHN. ML:0.4 0.000022985725999999997 0.14 AML other m 2024-04-21T12:43:32.73
IV.FDMO.HHE. ML:0.6 0.00004326856 0.22 AML other m 2024-04-21T12:43:33.24
IV.FDMO.HHN. ML:0.5 0.000037132695 0.3 AML other m 2024-04-21T12:43:32.95
IV.NRCA.HHE. ML:0.5 0.00003156507 0.12 AML other m 2024-04-21T12:43:33.18
IV.NRCA.HHN. ML:0.7 0.0000452636 0.14 AML other m 2024-04-21T12:43:32.89
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download