Earthquake with magnitude of ML 0.9 on date 23-04-2024 and time 18:00:58 (UTC) in region 2 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km SE Castelsantangelo sul Nera (MC), on

  • 23-04-2024 18:00:58 (UTC)
  • 23-04-2024 20:00:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 13.1710 at 13 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 2 281 281
Ussita MC 7 444 725
Visso MC 9 1107 1832
Preci PG 11 724 2556
Norcia PG 12 4957 7513
Montemonaco AP 13 604 8117
Bolognola MC 13 142 8259
Montegallo AP 14 523 8782
Montefortino FM 15 1178 9960
Arquata del Tronto AP 16 1178 11138
Acquacanina MC 16 121 11259
Fiastra MC 17 559 11818
Fiordimonte MC 18 202 12020
Monte Cavallo MC 19 145 12165
Amandola FM 19 3629 15794
Sellano PG 20 1079 16873
Sarnano MC 20 3264 20137

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 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 0.9 2024-04-23
18:00:58
42.8838 13.1712 13 2024-04-23
18:21:00
Sala Sismica INGV-Roma 127016021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-23 18:00:58 ± 0.11
Latitude 42.8838 ± 0.0054
Longitude 13.1712 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127016021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 26
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22933
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 127016021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-23 18:21:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CADC.HNZ. 2024-04-23T18:02:32.17 3.0 undecidable manual Sn 0.37 0
7C.SPAOL.HNZ. 2024-04-23T18:02:31.34 3.0 negative manual Pg 11.08 0
OX.VARN.HHZ. 2024-04-23T18:02:27.07 3.0 undecidable manual Sn 1.75 0
IV.CQUE.HHZ. 2024-04-23T18:02:03.17 3.0 undecidable manual Sg 1.11 0
IV.MRB1.HHZ. 2024-04-23T18:02:01.93 3.0 undecidable manual Sn -0.74 0
IV.PTRP.HHZ. 2024-04-23T18:01:53.26 3.0 undecidable manual Pg 6.1 0
IV.PTRJ.HHZ. 2024-04-23T18:01:50.52 3.0 undecidable manual Sn -3.05 0
IV.OSSC.HHZ. 2024-04-23T18:01:27.53 3.0 undecidable manual Pn 1.25 0
IT.GLNS.HNZ. 2024-04-23T18:01:24.77 3.0 undecidable manual Pn -0.25 0
IV.LPEL.HHZ. 2024-04-23T18:01:18.40 3.0 positive manual P -0.44 0
IV.FOSV.EHZ. 2024-04-23T18:01:16.14 3.0 undecidable manual S -1.67 0
IV.CESI.HHN. 2024-04-23T18:01:07.50 0.6 undecidable manual S 302 25.4523 98 0.08 48
IV.FDMO.HHZ. 2024-04-23T18:01:05.28 0.6 undecidable manual S 338 18.2706 107 -0.25 47
IV.MMO1.EHZ. 2024-04-23T18:01:04.12 0.6 undecidable manual S 82 12.7761 121 -0.07 49
IV.CESI.HHN. 2024-04-23T18:01:03.44 0.3 undecidable manual P 302 25.4523 98 -0.05 73
7F.SIB1.HNE. 2024-04-23T18:01:03.33 0.6 undecidable manual S 81 8.0808 139 0.09 50
7F.SIB3.EHE. 2024-04-23T18:01:03.02 0.3 undecidable manual S 97 8.0808 139 -0.22 72
IV.MC2.EHZ. 2024-04-23T18:01:02.80 0.6 undecidable manual S 25 3.3966 162 0.19 49
IV.FDMO.HHZ. 2024-04-23T18:01:02.31 1.0 negative manual P 338 18.2706 107 -0.09 24
IV.NRCA.HHZ. 2024-04-23T18:01:02.92 0.6 undecidable manual S 220 7.2927 143 -0.17 48
IV.NRCA.HHZ. 2024-04-23T18:01:01.03 0.1 undecidable manual P 220 7.2927 143 0.04 100
IV.MMO1.EHZ. 2024-04-23T18:01:01.60 0.1 undecidable manual P 82 12.7761 121 -0.03 100
7F.SIB1.HNE. 2024-04-23T18:01:01.26 0.1 undecidable manual P 81 8.0808 139 0.18 97
7F.SIB3.EHE. 2024-04-23T18:01:00.98 0.1 undecidable manual P 97 8.0808 139 -0.09 99
IV.MC2.EHZ. 2024-04-23T18:01:00.89 0.1 undecidable manual P 25 3.3966 162 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.0001545 0.16 AML other m 2024-04-23T18:01:03.00
IV.NRCA.HHE. ML:1.0 0.0001315 0.5 AML other m 2024-04-23T18:01:03.09
IV.NRCA.HNE. ML:1.0 0.00013584912999999998 0.08 AML other m 2024-04-23T18:01:03.05
IV.NRCA.HNN. ML:1.2 0.00016966605 0.85 AML other m 2024-04-23T18:01:03.50
IV.MMO1.EHE. ML:0.3 0.000018682030000000004 0.08 AML other m 2024-04-23T18:01:04.73
IV.MMO1.EHN. ML:0.6 0.0000336609 1.54 AML other m 2024-04-23T18:01:03.25
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