Earthquake with magnitude of ML 0.8 on date 23-04-2024 and time 17:56:58 (UTC) in region 2 km E Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km E Castelsantangelo sul Nera (MC), on

  • 23-04-2024 17:56:58 (UTC)
  • 23-04-2024 19:56:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8890, 13.1720 at 12 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 8 1107 1832
Preci PG 11 724 2556
Norcia PG 12 4957 7513
Bolognola MC 13 142 7655
Montemonaco AP 13 604 8259
Montegallo AP 14 523 8782
Montefortino FM 15 1178 9960
Acquacanina MC 16 121 10081
Arquata del Tronto AP 16 1178 11259
Fiastra MC 17 559 11818
Fiordimonte MC 18 202 12020
Monte Cavallo MC 18 145 12165
Amandola FM 18 3629 15794
Sarnano MC 20 3264 19058
Pieve Torina MC 20 1458 20516
Sellano PG 20 1079 21595

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)
63 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 0.8 2024-04-23
17:56:58
42.8892 13.1722 12 2024-04-23
18:07:28
Sala Sismica INGV-Roma 127015491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-23 17:56:58 ± 0.15
Latitude 42.8892 ± 0.0072
Longitude 13.1722 ± 0.0049
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127015491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 525
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 15
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) 0.20415
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 127015491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-23 18:07:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2024-04-23T17:58:24.00 3.0 undecidable manual Sg 4.15 0
IV.CDRU.HHZ. 2024-04-23T17:57:54.83 3.0 undecidable manual Sg 2.73 0
IX.SCL3.EHZ.02 2024-04-23T17:57:54.31 3.0 undecidable manual Sg 1.67 0
IT.MCS.HGZ. 2024-04-23T17:57:51.75 3.0 undecidable manual Sg 2.53 0
GU.RNCA.HHZ. 2024-04-23T17:57:42.74 3.0 negative manual Pn 0.86 0
IV.SSFR.HHZ. 2024-04-23T17:57:33.15 3.0 undecidable manual Sg -1.13 0
IV.PAOL.HHZ. 2024-04-23T17:57:28.99 3.0 undecidable manual S -4.4 0
IV.MCRV.HHZ. 2024-04-23T17:57:14.09 3.0 undecidable manual Pn -3.67 0
IV.RIBO.EHZ.01 2024-04-23T17:57:09.00 3.0 undecidable manual Pn -3.41 0
IV.FDMO.HHZ. 2024-04-23T17:57:05.17 0.3 undecidable manual S 337 17.7711 102 -0.23 71
IV.MMO1.EHZ. 2024-04-23T17:57:04.09 0.3 undecidable manual S 85 12.5763 117 -0.02 74
7F.SIB3.EHE. 2024-04-23T17:57:03.02 0.3 undecidable manual S 101 8.0808 136 -0.12 73
IV.PTRJ.HHZ. 2024-04-23T17:57:03.47 3.0 undecidable manual P -4.83 0
7F.SIB2.EHE. 2024-04-23T17:57:03.45 0.3 undecidable manual S 89 10.6782 125 -0.22 71
7F.SIB1.EHE. 2024-04-23T17:57:03.22 0.3 undecidable manual S 86 7.9809 137 0.1 74
IV.FDMO.HHZ. 2024-04-23T17:57:02.15 1.0 undecidable manual P 337 17.7711 102 -0.2 24
IV.NRCA.HHZ. 2024-04-23T17:57:02.82 0.3 undecidable manual S 217 7.7811 138 -0.26 72
IV.CSP1.EHZ. 2024-04-23T17:57:02.98 0.6 undecidable manual P 7 22.6551 97 -0.11 48
IV.MC2.EHZ. 2024-04-23T17:57:02.65 0.3 undecidable manual S 29 2.7972 163 0.22 73
IV.MMO1.EHZ. 2024-04-23T17:57:01.66 0.6 undecidable manual P 85 12.5763 117 0.06 49
7F.SIB3.EHE. 2024-04-23T17:57:01.05 0.3 undecidable manual P 101 8.0808 136 0.01 75
7F.SIB2.EHE. 2024-04-23T17:57:01.29 0.3 undecidable manual P 89 10.6782 125 -0.06 74
IV.NRCA.HHZ. 2024-04-23T17:57:01.00 0.1 undecidable manual P 217 7.7811 138 -0.01 100
7F.SIB1.EHE. 2024-04-23T17:57:01.27 0.1 undecidable manual P 86 7.9809 137 0.24 96
IV.MC2.EHZ. 2024-04-23T17:57:00.87 0.1 undecidable manual P 29 2.7972 163 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.00017549999999999998 1.86 AML other m 2024-04-23T17:57:03.05
IV.NRCA.HHE. ML:1.2 0.00017749999999999998 0.08 AML other m 2024-04-23T17:57:03.07
IV.MMO1.EHE. ML:0.6 0.000041701095 0.28 AML other m 2024-04-23T17:57:04.22
IV.MMO1.EHN. ML:0.8 0.000054567935 2.48 AML other m 2024-04-23T17:57:04.33
IV.FDMO.HHE. ML:0.6 0.000030735655 1.92 AML other m 2024-04-23T17:57:05.75
IV.FDMO.HHN. ML:0.6 0.000030365135 2.04 AML other m 2024-04-23T17:57:06.36
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