Earthquake with magnitude of ML 1.1 on date 01-04-2024 and time 06:39:00 (UTC) in region 5 km E Arquata del Tronto (AP)

A magnitude ML 1.1 earthquake occured in region: 5 km E Arquata del Tronto (AP), on

  • 01-04-2024 06:39:00 (UTC)
  • 01-04-2024 08:39:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7540, 13.3460 at 15 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
Arquata del Tronto AP 5 1178 1178
Acquasanta Terme AP 6 2916 4094
Montegallo AP 10 523 4617
Accumoli RI 10 667 5284
Valle Castellana TE 13 977 6261
Amatrice RI 15 2657 8918
Roccafluvione AP 16 2010 10928
Montemonaco AP 16 604 11532
Rocca Santa Maria TE 17 537 12069
Palmiano AP 19 196 12265
Venarotta AP 19 2066 14331
Cortino TE 20 656 14987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
57 Km E of Foligno (57155 inhabitants)
61 Km E of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
87 Km E of Perugia (166134 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 2024-04-01
06:39:00
42.7538 13.3463 15 2024-04-01
06:47:29
Sala Sismica INGV-Roma 126356501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-01 06:39:00 ± 0.13
Latitude 42.7538 ± 0.0045
Longitude 13.3463 ± 0.0073
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126356501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 531
Semi-minor axis of confidence ellipse (meter) 400
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 18
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) 0.34354
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 126356501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-01 06:47:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.KLV.HHZ. 2024-04-01T06:40:54.17 3.0 negative manual Pn -2.95 0
IV.CET2.HHZ. 2024-04-01T06:40:50.39 3.0 undecidable manual Sg 6.72 0
ST.RONC.HNZ. 2024-04-01T06:40:39.36 3.0 undecidable manual Sn -0.18 0
IV.CTI.HHZ. 2024-04-01T06:40:32.57 3.0 undecidable manual Sn 0.19 0
IV.MFNL.HHZ. 2024-04-01T06:40:20.18 3.0 undecidable manual Pg 5.19 0
GU.PZZ.HHZ. 2024-04-01T06:40:17.31 3.0 undecidable manual Pn 5.66 0
IV.SELL.HHZ. 2024-04-01T06:40:14.57 3.0 positive manual Pg 7.15 0
IV.MILZ.HHZ. 2024-04-01T06:40:07.32 3.0 positive manual Pn -3.34 0
CH.MUGIO.HHZ. 2024-04-01T06:40:03.14 3.0 undecidable manual Pn -1.47 0
ST.RONC.HNZ. 2024-04-01T06:39:55.64 3.0 undecidable manual Pn 0.57 0
ST.GAGG.HHZ. 2024-04-01T06:39:51.80 3.0 undecidable manual Pn -2.71 0
IV.BSSO.HHZ. 2024-04-01T06:39:48.48 3.0 undecidable manual Sg 0.17 0
IV.VISG.HHZ. 2024-04-01T06:39:36.08 3.0 undecidable manual Pg 4.65 0
IV.SFI.EHZ. 2024-04-01T06:39:23.64 3.0 negative manual Pn -2.16 0
IV.GIGS.HHZ. 2024-04-01T06:39:13.29 0.6 undecidable manual S 151 38.1285 99 -0.14 48
IV.MF5.EHZ. 2024-04-01T06:39:11.01 0.3 undecidable manual S 20 27.5502 104 0.36 69
IV.FOSV.EHZ. 2024-04-01T06:39:11.50 3.0 undecidable manual P -0.12 0
IV.RM33.EHZ. 2024-04-01T06:39:11.33 0.3 undecidable manual S 202 29.2485 103 0.24 71
IV.TERO.HHZ. 2024-04-01T06:39:10.35 0.6 undecidable manual S 125 25.5522 106 0.21 47
IV.NRCA.HHZ. 2024-04-01T06:39:09.12 0.6 undecidable manual S 295 20.868 112 0.17 49
IV.MC2.EHZ. 2024-04-01T06:39:09.23 0.6 undecidable manual S 324 21.6672 110 0.08 50
IV.SMA1.EHZ. 2024-04-01T06:39:07.39 0.6 undecidable manual S 184 13.6752 127 0.11 50
IV.GIGS.HHZ. 2024-04-01T06:39:07.65 1.0 positive manual P 151 38.1285 99 -0.41 23
7F.SIB2.EHZ. 2024-04-01T06:39:07.58 0.6 undecidable manual S 347 15.5733 122 -0.12 49
IV.RM33.EHZ. 2024-04-01T06:39:06.35 1.0 positive manual P 202 29.2485 103 -0.35 23
IV.MF5.EHZ. 2024-04-01T06:39:06.55 0.1 undecidable manual P 20 27.5502 104 0.1 97
IV.TERO.HHZ. 2024-04-01T06:39:05.74 1.0 undecidable manual P 125 25.5522 106 -0.41 23
IV.MTRA.HNZ. 2024-04-01T06:39:05.82 0.6 undecidable manual S 86 4.0959 161 0.07 51
IV.MC2.EHZ. 2024-04-01T06:39:05.64 0.1 undecidable manual P 324 21.6672 110 0.05 100
IV.NRCA.HHZ. 2024-04-01T06:39:05.43 0.3 negative manual P 295 20.868 112 -0.04 75
IV.SMA1.EHZ. 2024-04-01T06:39:04.68 0.6 undecidable manual P 184 13.6752 127 0.17 49
7F.SIB2.EHZ. 2024-04-01T06:39:04.40 0.1 undecidable manual P 347 15.5733 122 -0.35 95
IV.MTRA.HNZ. 2024-04-01T06:39:03.42 0.1 undecidable manual P 86 4.0959 161 -0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.9 0.00006890000000000001 0.1 AML other m 2024-04-01T06:39:07.85
IV.SMA1.EHE. ML:1.0 0.0000732 1.3 AML other m 2024-04-01T06:39:08.82
IV.NRCA.HHE. ML:1.3 0.0001205 0.94 AML other m 2024-04-01T06:39:09.22
IV.NRCA.HHN. ML:1.3 0.00011355000000000001 1.44 AML other m 2024-04-01T06:39:09.20
IV.TERO.HHE. ML:1.0 0.000051563405 2.42 AML other m 2024-04-01T06:39:11.98
IV.TERO.HHN. ML:0.0 0.00000213442705 2.16 AML other m 2024-04-01T06:39:11.33
IV.RM33.EHE. ML:1.2 0.000070584315 1.74 AML other m 2024-04-01T06:39:09.27
IV.RM33.EHN. ML:1.1 0.00005511481 1.3 AML other m 2024-04-01T06:39:08.94
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