Earthquake with magnitude of Md 0.9 on date 11-04-2024 and time 18:48:39 (UTC) in region 4 km E Castelsantangelo sul Nera (MC)

A magnitude Md 0.9 earthquake occured in region: 4 km E Castelsantangelo sul Nera (MC), on

  • 11-04-2024 18:48:39 (UTC)
  • 11-04-2024 20:48:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 13.2050 at 3 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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 8 444 725
Montemonaco AP 10 604 1329
Visso MC 11 1107 2436
Montegallo AP 12 523 2959
Bolognola MC 12 142 3101
Montefortino FM 13 1178 4279
Preci PG 14 724 5003
Norcia PG 14 4957 9960
Arquata del Tronto AP 15 1178 11138
Acquacanina MC 16 121 11259
Amandola FM 16 3629 14888
Fiastra MC 17 559 15447
Sarnano MC 19 3264 18711
Comunanza AP 19 3166 21877
Fiordimonte MC 19 202 22079

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
99 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
Md 0.9 2024-04-11
18:48:39
42.8863 13.205 3 2024-04-11
19:03:27
Sala Sismica INGV-Roma 126654021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-11 18:48:39 ± 0.11
Latitude 42.8863 ± 0.0036
Longitude 13.2050 ± 0.0025
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126654021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 373
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 175
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.17267
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:0.9

Field Value
Value 0.9
Uncertainty 0.8
Num. used stations 2
Type of magnitude Md
Reference to an origin 126654021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-11 19:03:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHN. 2024-04-11T18:48:43.16 0.6 undecidable manual P 330 19.1697 98 0.2 47
IV.NRCA.HHZ. 2024-04-11T18:48:42.66 0.6 undecidable manual S 232 9.3795 106 0.18 48
IV.MMO1.EHZ. 2024-04-11T18:48:42.77 0.6 undecidable manual S 82 9.9789 105 0.1 49
7F.SIB3.EHE. 2024-04-11T18:48:41.18 0.6 undecidable manual S 103 5.3946 117 0 50
7F.SIB1.HNE. 2024-04-11T18:48:41.36 0.6 undecidable manual S 80 5.3946 117 0.2 48
IV.MMO1.EHZ. 2024-04-11T18:48:41.09 0.6 undecidable manual P 82 9.9789 105 -0.05 49
7F.SIB3.EHE. 2024-04-11T18:48:40.16 0.1 undecidable manual P 103 5.3946 117 -0.13 97
IV.NRCA.HHZ. 2024-04-11T18:48:40.99 0.1 positive manual P 232 9.3795 106 -0.04 99
7F.SIB1.HNE. 2024-04-11T18:48:40.28 0.1 undecidable manual P 80 5.3946 117 0 100
IV.MC2.EHZ. 2024-04-11T18:48:40.53 0.6 undecidable manual S 335 3.0969 132 0.04 50
IV.MC2.EHZ. 2024-04-11T18:48:39.74 0.1 undecidable manual P 335 3.0969 132 -0.15 97
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