Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 05-04-2024 and time 03:03:29 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 05-04-2024 01:03:29 (UTC)
  • 05-04-2024 03:03:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 13.2280 at 15 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
Castelsantangelo sul Nera MC 8 281 281
Montegallo AP 9 523 804
Montemonaco AP 10 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 13 444 3030
Norcia PG 13 4957 7987
Montefortino FM 14 1178 9165
Visso MC 14 1107 10272
Preci PG 16 724 10996
Bolognola MC 16 142 11138
Acquasanta Terme AP 18 2916 14054
Accumoli RI 18 667 14721
Amandola FM 18 3629 18350
Comunanza AP 19 3166 21516
Palmiano AP 20 196 21712

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 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 2024-04-05
01:03:29		 42.8535 13.2275 15 2024-04-05
01:20:04		 Sala Sismica INGV-Roma 126483651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-05 01:03:29 ± 0.15
Latitude 42.8535 ± 0.0054
Longitude 13.2275 ± 0.0123
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126483651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 903
Semi-minor axis of confidence ellipse (meter) 481
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 126483651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-05 01:20:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2024-04-05T01:03:47.30 3.0 undecidable manual S -0.07 0
IV.RM33.EHZ. 2024-04-05T01:03:42.86 0.6 undecidable manual S 182 38.2284 99 0.36 89
IV.CESI.HHZ. 2024-04-05T01:03:40.94 0.6 undecidable manual S 303 31.1466 102 0.3 90
IV.MF5.EHZ. 2024-04-05T01:03:39.05 0.6 undecidable manual S 52 24.0537 108 0.25 92
IV.FDMO.HHZ. 2024-04-05T01:03:38.28 0.6 undecidable manual S 331 23.2545 109 -0.33 92
IV.RM33.EHZ. 2024-04-05T01:03:37.00 0.6 negative manual P 182 38.2284 99 -0.12 93
IV.TERO.HHZ. 2024-04-05T01:03:36.97 1.0 undecidable manual P 130 39.9267 98 -0.41 44
IV.CESI.HHZ. 2024-04-05T01:03:36.39 1.0 undecidable manual P 303 31.1466 102 0.35 45
IV.MML1.EHZ. 2024-04-05T01:03:36.51 1.0 negative manual P 324 35.5422 100 -0.2 46
IV.MF5.EHZ. 2024-04-05T01:03:35.00 0.6 negative manual P 52 24.0537 108 0.02 97
IV.NRCA.HHZ. 2024-04-05T01:03:35.53 0.6 undecidable manual S 257 9.4794 140 0 100
IV.GUMA.HHZ. 2024-04-05T01:03:35.03 0.6 positive manual P 21 24.753 107 -0.06 97
IV.SMA1.EHZ. 2024-04-05T01:03:35.07 1.0 positive manual P 160 26.2515 106 -0.24 46
IV.FDMO.HHZ. 2024-04-05T01:03:34.61 1.0 positive manual P 331 23.2545 109 -0.26 47
IV.NRCA.HHZ. 2024-04-05T01:03:33.05 1.0 undecidable manual P 257 9.4794 140 -0.04 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.1 0.00006709999999999999 1.76 AML other m 2024-04-05T01:03:46.98
IV.FDMO.HHE. ML:0.8 0.0000378 0.24 AML other m 2024-04-05T01:03:46.01
IV.GUMA.HHE. ML:1.0 0.00004805 0.64 AML other m 2024-04-05T01:03:46.78
IV.GUMA.HHN. ML:0.9 0.000044500000000000004 0.68 AML other m 2024-04-05T01:03:47.86
IV.CESI.HHN. ML:0.8 0.000026500000000000004 0.56 AML other m 2024-04-05T01:03:48.65
IV.CESI.HHE. ML:0.5 0.00001746 0.86 AML other m 2024-04-05T01:03:48.53
IV.RM33.EHN. ML:0.8 0.00002005 0.26 AML other m 2024-04-05T01:03:50.47
IV.RM33.EHE. ML:0.6 0.0000161 0.14 AML other m 2024-04-05T01:03:50.75
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