Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 05-04-2024 and time 03:29:09 (Italy) in region 8 km W Montegallo (AP)

A magnitude ML 1.1 earthquake occured in region: 8 km W Montegallo (AP), on

  • 05-04-2024 01:29:09 (UTC)
  • 05-04-2024 03:29:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8530, 13.2370 at 14 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
Montegallo AP 8 523 523
Castelsantangelo sul Nera MC 8 281 804
Montemonaco AP 9 604 1408
Arquata del Tronto AP 10 1178 2586
Ussita MC 13 444 3030
Montefortino FM 13 1178 4208
Norcia PG 13 4957 9165
Visso MC 15 1107 10272
Bolognola MC 16 142 10414
Preci PG 16 724 11138
Acquasanta Terme AP 17 2916 14054
Amandola FM 17 3629 17683
Accumoli RI 18 667 18350
Comunanza AP 19 3166 21516
Palmiano AP 19 196 21712
Roccafluvione AP 20 2010 23722

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
58 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 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 1.1 2024-04-05
01:29:09		 42.8527 13.2372 14 2024-04-05
03:35:57		 Sala Sismica INGV-Roma 126484941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-05 01:29:09 ± 0.12
Latitude 42.8527 ± 0.0036
Longitude 13.2372 ± 0.0086
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126484941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35433
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 126484941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-05 03:35:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2024-04-05T01:29:29.73 3.0 undecidable manual S -1.31 0
IV.CING.HHZ. 2024-04-05T01:29:20.14 3.0 positive manual P -0.33 0
IV.GUMA.HHZ. 2024-04-05T01:29:19.58 0.6 undecidable manual S 19 24.6531 104 0.47 45
IV.SMA1.EHZ. 2024-04-05T01:29:19.38 0.6 undecidable manual S 162 25.9518 103 -0.06 49
IV.GIGS.HHZ. 2024-04-05T01:29:19.07 3.0 positive manual P -0.45 0
IV.CSP1.EHZ. 2024-04-05T01:29:19.54 0.6 undecidable manual S 354 26.6511 102 -0.09 48
IV.FDMO.HHZ. 2024-04-05T01:29:18.58 0.6 undecidable manual S 329 23.754 105 -0.3 47
IV.MNTT.EHZ. 2024-04-05T01:29:17.77 0.6 undecidable manual P 51 37.2294 97 0.61 42
IV.RM33.EHZ. 2024-04-05T01:29:17.28 3.0 undecidable manual P 0.11 0
IV.TERO.HHZ. 2024-04-05T01:29:17.27 0.6 undecidable manual P 130 39.3273 97 -0.2 47
IV.MML1.EHZ. 2024-04-05T01:29:16.78 1.0 positive manual P 323 36.0417 98 -0.2 23
IV.LNSS.HHZ. 2024-04-05T01:29:16.53 1.0 positive manual P 210 32.0457 99 0.16 24
IV.CESI.HHZ. 2024-04-05T01:29:16.27 0.3 undecidable manual P 302 31.8459 99 -0.07 72
IV.MMO1.EHZ. 2024-04-05T01:29:15.29 0.6 undecidable manual S 55 8.9799 140 -0.19 49
IV.CSP1.EHZ. 2024-04-05T01:29:15.30 1.0 undecidable manual P 354 26.6511 102 -0.25 24
IV.NRCA.HHZ. 2024-04-05T01:29:15.82 0.6 undecidable manual S 258 10.1787 135 0.11 50
IV.GUMA.HHZ. 2024-04-05T01:29:15.33 0.1 positive manual P 19 24.6531 104 0.08 99
IV.SMA1.EHZ. 2024-04-05T01:29:15.40 1.0 negative manual P 162 25.9518 103 -0.04 25
IV.FDMO.HHZ. 2024-04-05T01:29:14.89 0.3 positive manual P 329 23.754 105 -0.23 71
IV.NRCA.HHZ. 2024-04-05T01:29:13.42 0.1 negative manual P 258 10.1787 135 0.14 100
IV.MMO1.EHZ. 2024-04-05T01:29:12.95 1.0 undecidable manual P 55 8.9799 140 -0.2 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:2.1 0.001245 0.06 AML other m 2024-04-05T01:29:15.37
IV.MMO1.EHE. ML:1.6 0.000439 0.06 AML other m 2024-04-05T01:29:15.46
IV.NRCA.HHE. ML:1.4 0.00027749999999999997 0.16 AML other m 2024-04-05T01:29:15.96
IV.NRCA.HHN. ML:1.4 0.000282 0.1 AML other m 2024-04-05T01:29:16.45
IV.FDMO.HHN. ML:1.1 0.00006575 0.26 AML other m 2024-04-05T01:29:18.95
IV.FDMO.HHE. ML:0.7 0.00003245 0.24 AML other m 2024-04-05T01:29:18.85
IV.SMA1.EHN. ML:0.9 0.00004045 0.32 AML other m 2024-04-05T01:29:19.83
IV.GUMA.HHE. ML:1.2 0.00008205000000000002 1.26 AML other m 2024-04-05T01:29:20.07
IV.SMA1.EHE. ML:0.8 0.00003715 0.8 AML other m 2024-04-05T01:29:20.52
IV.CESI.HHE. ML:0.8 0.00002795 0.8 AML other m 2024-04-05T01:29:21.14
IV.CESI.HHN. ML:0.8 0.00002945 0.98 AML other m 2024-04-05T01:29:21.56
IV.LNSS.HHE. ML:1.0 0.000041599999999999995 0.34 AML other m 2024-04-05T01:29:22.12
IV.GUMA.HHN. ML:1.0 0.0000588 0.26 AML other m 2024-04-05T01:29:22.47
IV.LNSS.HHN. ML:0.9 0.00003645 1.1 AML other m 2024-04-05T01:29:23.61
IV.RM33.EHN. ML:1.3 0.0000671 0.26 AML other m 2024-04-05T01:29:23.32
IV.RM33.EHE. ML:1.2 0.000054499999999999997 0.12 AML other m 2024-04-05T01:29:23.60
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