Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 13-04-2024 and time 04:39:40 (Italy) in region 5 km S Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 5 km S Castelsantangelo sul Nera (MC), on

  • 13-04-2024 02:39:40 (UTC)
  • 13-04-2024 04:39:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 13.1530 at 9 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 5 281 281
Norcia PG 8 4957 5238
Preci PG 10 724 5962
Visso MC 11 1107 7069
Ussita MC 11 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 15 523 9214
Montemonaco AP 16 604 9818
Bolognola MC 18 142 9960
Cascia PG 18 3217 13177
Accumoli RI 19 667 13844
Montefortino FM 19 1178 15022
Sellano PG 19 1079 16101
Cerreto di Spoleto PG 19 1075 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
100 Km NW of Chieti (51815 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 2024-04-13
02:39:40		 42.8468 13.1527 9 2024-04-13
02:47:17		 Sala Sismica INGV-Roma 126682381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-13 02:39:40 ± 0.05
Latitude 42.8468 ± 0.0018
Longitude 13.1527 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126682381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 218
Semi-minor axis of confidence ellipse (meter) 83
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.40020
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 126682381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-13 02:47:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2024-04-13T02:39:55.79 0.3 undecidable manual S 124 44.4222 50 0.08 72
IV.LNSS.HHZ. 2024-04-13T02:39:51.29 0.3 undecidable manual S 199 28.5492 107 0.04 74
IV.CESI.HHZ. 2024-04-13T02:39:50.53 0.3 undecidable manual S 311 26.751 108 -0.1 74
IV.CSP1.EHZ. 2024-04-13T02:39:50.93 0.3 undecidable manual S 9 27.5502 108 0.04 74
IV.FDMO.HHZ. 2024-04-13T02:39:49.04 0.3 undecidable manual S 346 21.6672 112 0.05 75
IV.TERO.HHZ. 2024-04-13T02:39:49.14 0.3 undecidable manual P 124 44.4222 50 -0.3 68
IV.MTRA.EHZ. 2024-04-13T02:39:49.47 0.6 undecidable manual S 117 22.2555 111 0.31 47
ZO.PDN12.EHZ. 2024-04-13T02:39:48.55 0.3 undecidable manual S 261 19.3695 114 0.29 72
IV.LNSS.HHZ. 2024-04-13T02:39:46.83 0.3 undecidable manual P 199 28.5492 107 -0.04 74
IV.SMA1.EHZ. 2024-04-13T02:39:46.77 0.3 undecidable manual P 148 28.2495 107 -0.03 74
IV.CESI.HHZ. 2024-04-13T02:39:46.39 0.3 undecidable manual P 311 26.751 108 -0.12 73
IV.MMO1.EHZ. 2024-04-13T02:39:46.98 0.3 undecidable manual S 68 15.2736 120 -0.01 76
IV.CSP1.EHZ. 2024-04-13T02:39:46.51 0.3 undecidable manual P 9 27.5502 108 -0.15 73
IV.MC2.EHZ. 2024-04-13T02:39:45.06 0.3 undecidable manual S 22 7.7811 138 0.14 75
ZO.PDN12.EHZ. 2024-04-13T02:39:45.28 0.3 undecidable manual P 261 19.3695 114 0.14 74
IV.MTRA.EHZ. 2024-04-13T02:39:45.83 0.3 undecidable manual P 117 22.2555 111 0.17 73
IV.FDMO.HHZ. 2024-04-13T02:39:45.58 0.3 undecidable manual P 346 21.6672 112 0.02 75
7F.SIB3.EHZ. 2024-04-13T02:39:45.22 0.3 undecidable manual S 72 10.0788 131 -0.27 73
IV.MMO1.EHZ. 2024-04-13T02:39:44.51 0.1 undecidable manual P 68 15.2736 120 0.1 100
ZO.PDN11.EHZ. 2024-04-13T02:39:44.70 0.3 undecidable manual S 201 7.4814 139 -0.16 75
IV.MC2.EHZ. 2024-04-13T02:39:43.38 0.3 undecidable manual P 22 7.7811 138 0.17 75
7F.SIB1.HNZ. 2024-04-13T02:39:43.78 0.3 undecidable manual P 61 10.878 129 0.1 76
ZO.PDN11.EHZ. 2024-04-13T02:39:43.24 0.3 undecidable manual P 201 7.4814 139 0.06 77
7F.SIB3.EHZ. 2024-04-13T02:39:43.50 0.3 undecidable manual P 72 10.0788 131 -0.04 77
IV.NRCA.HHZ. 2024-04-13T02:39:42.44 0.1 undecidable manual P 245 3.4965 158 -0.32 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:0.8 0.000060100000000000004 1.14 AML other m 2024-04-13T02:39:47.21
IV.MMO1.EHE. ML:1.0 0.0000906 0.32 AML other m 2024-04-13T02:39:47.96
IV.FDMO.HHN. ML:0.8 0.0000499 0.82 AML other m 2024-04-13T02:39:49.33
IV.FDMO.HHE. ML:0.7 0.000034149999999999997 0.98 AML other m 2024-04-13T02:39:50.72
IV.CESI.HHE. ML:0.7 0.0000314 1.08 AML other m 2024-04-13T02:39:52.86
IV.CESI.HHN. ML:0.9 0.0000409 0.38 AML other m 2024-04-13T02:39:52.78
IV.SMA1.EHN. ML:0.8 0.00002985 0.76 AML other m 2024-04-13T02:39:55.85
IV.SMA1.EHE. ML:0.9 0.0000382 0.38 AML other m 2024-04-13T02:39:56.56
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