Earthquake with magnitude of ML 1.5 on date 18-02-2024 and time 13:16:24 (UTC) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 18-02-2024 13:16:24 (UTC)
  • 18-02-2024 14:16:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7730, 13.2440 at 11 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 4 1178 1178
Accumoli RI 9 667 1845
Montegallo AP 11 523 2368
Norcia PG 13 4957 7325
Acquasanta Terme AP 14 2916 10241
Castelsantangelo sul Nera MC 16 281 10522
Montemonaco AP 16 604 11126
Amatrice RI 16 2657 13783
Cittareale RI 18 482 14265
Cascia PG 20 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
49 Km E of Foligno (57155 inhabitants)
49 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 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 1.5 2024-02-18
13:16:24
42.7727 13.2438 11 2024-02-18
13:29:48
Sala Sismica INGV-Roma 125356351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-18 13:16:24 ± 0.04
Latitude 42.7727 ± 0.0027
Longitude 13.2438 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125356351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 304
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51261
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 125356351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-18 13:29:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2024-02-18T13:17:37.18 3.0 undecidable manual Pn 4.7 0
GU.IMI.HHZ. 2024-02-18T13:17:14.62 3.0 undecidable manual Sn 1.26 0
IV.PAOL.HHZ. 2024-02-18T13:16:45.11 3.0 positive manual Pg 10.23 0
IV.MRLC.HHZ. 2024-02-18T13:16:42.99 3.0 positive manual Pn 0.18 0
IV.FIAM.HHZ. 2024-02-18T13:16:42.65 0.3 undecidable manual S 191 56.8986 50 0.56 62
IX.SCL3.EHZ.02 2024-02-18T13:16:42.73 3.0 positive manual Pn -0.9 0
ST.VARA.EHZ. 2024-02-18T13:16:41.69 3.0 undecidable manual Sn -1.52 0
IV.GIGS.HHZ. 2024-02-18T13:16:38.51 0.3 undecidable manual S 143 44.4222 50 -0.25 68
IV.CESI.HHZ. 2024-02-18T13:16:36.83 0.3 undecidable manual S 313 37.7289 50 -0.14 71
IV.FDMO.HHN. 2024-02-18T13:16:35.16 0.3 undecidable manual S 337 31.9458 50 -0.25 70
IV.TERO.HHZ. 2024-02-18T13:16:35.53 0.3 undecidable manual S 119 33.744 50 -0.37 68
IV.MF5.EHZ. 2024-02-18T13:16:35.80 0.3 undecidable manual S 36 29.6481 50 1 54
IV.RM33.EHZ. 2024-02-18T13:16:34.96 0.3 undecidable manual S 185 29.3484 50 0.23 70
IV.GAVE.HNN. 2024-02-18T13:16:34.52 0.6 undecidable manual S 253 29.8479 50 -0.34 46
IV.FIAM.HHZ. 2024-02-18T13:16:34.45 0.3 undecidable manual P 191 56.8986 50 -0.17 68
IV.LNSS.HHZ. 2024-02-18T13:16:33.68 0.3 undecidable manual S 221 25.0527 50 0.09 73
IV.GIGS.HHZ. 2024-02-18T13:16:32.46 0.3 undecidable manual P 143 44.4222 50 -0.24 68
IV.SMA1.EHZ. 2024-02-18T13:16:31.55 0.3 undecidable manual S 155 17.4714 50 0 75
IV.CESI.HHZ. 2024-02-18T13:16:31.51 0.1 undecidable manual P 313 37.7289 50 -0.15 94
IV.MC2.EHZ. 2024-02-18T13:16:31.24 0.3 undecidable manual S 344 16.0728 124 0.09 74
IV.TERO.HHZ. 2024-02-18T13:16:30.86 0.1 undecidable manual P 119 33.744 50 -0.18 94
IV.MF5.EHZ. 2024-02-18T13:16:30.68 0.3 undecidable manual P 36 29.6481 50 0.27 70
7F.SIB2.EHE. 2024-02-18T13:16:30.40 0.3 undecidable manual S 20 13.9749 128 -0.19 73
IV.MTRA.HNE. 2024-02-18T13:16:30.07 0.3 undecidable manual S 98 12.5763 131 -0.13 74
IV.FDMO.HHN. 2024-02-18T13:16:30.52 0.3 undecidable manual P 337 31.9458 50 -0.24 70
7F.SIB1.EHE. 2024-02-18T13:16:30.64 0.3 undecidable manual S 9 13.6752 129 0.14 74
IV.NRCA.HNZ. 2024-02-18T13:16:30.12 0.1 undecidable manual S 303 12.4764 131 -0.06 100
IV.MMO1.EHZ. 2024-02-18T13:16:30.92 0.1 undecidable manual S 26 15.5733 125 -0.1 99
IV.RM33.EHZ. 2024-02-18T13:16:30.34 0.1 undecidable manual P 185 29.3484 50 -0.03 98
IV.GAVE.HNN. 2024-02-18T13:16:30.46 0.3 undecidable manual P 253 29.8479 50 0.02 73
7F.SIB3.EHE. 2024-02-18T13:16:29.74 0.3 undecidable manual S 11 11.5773 133 -0.2 73
ZO.PDN11.EHE. 2024-02-18T13:16:29.75 0.3 undecidable manual S 277 10.1787 137 0.16 74
IV.LNSS.HHZ. 2024-02-18T13:16:29.86 0.3 undecidable manual P 221 25.0527 50 0.15 72
IV.MMO1.EHZ. 2024-02-18T13:16:28.30 0.1 undecidable manual P 26 15.5733 125 0.07 99
IV.SMA1.EHZ. 2024-02-18T13:16:28.59 0.3 undecidable manual P 155 17.4714 50 0.06 74
IV.MC2.EHZ. 2024-02-18T13:16:28.41 0.3 undecidable manual P 344 16.0728 124 0.11 74
7F.SIB1.EHE. 2024-02-18T13:16:28.09 0.1 undecidable manual P 9 13.6752 129 0.16 98
7F.SIB3.EHE. 2024-02-18T13:16:27.62 0.3 undecidable manual P 11 11.5773 133 0.02 76
7F.SIB2.EHE. 2024-02-18T13:16:27.99 0.3 undecidable manual P 20 13.9749 128 0.01 76
IV.MTRA.HNE. 2024-02-18T13:16:27.93 0.3 undecidable manual P 98 12.5763 131 0.18 73
ZO.PDN11.EHE. 2024-02-18T13:16:27.49 0.3 undecidable manual P 277 10.1787 137 0.08 75
IV.NRCA.HNZ. 2024-02-18T13:16:27.68 0.1 undecidable manual P 303 12.4764 131 -0.06 100
GU.GORR.HHZ. 2024-02-18T13:16:23.88 3.0 undecidable manual Pn 2.75 0
IV.CAFI.HHZ. 2024-02-18T13:16:13.23 3.0 undecidable manual Sg -1.27 0
IV.SFI.EHZ. 2024-02-18T13:16:05.11 3.0 undecidable manual Sn -3.09 0
IV.PP3.EHZ. 2024-02-18T13:16:03.34 3.0 negative manual P -0.26 0
IV.CAFI.HHZ. 2024-02-18T13:15:58.59 3.0 undecidable manual P -2.6 0
IV.ARVD.HHZ. 2024-02-18T13:15:57.84 3.0 negative manual P -1.12 0
IV.NARO.HHZ. 2024-02-18T13:15:55.52 3.0 undecidable manual P -1.64 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PP3.EHN. ML:2.2 0.00027155 0.5 AML other m 2024-02-18T13:16:05.53
IV.PP3.EHE. ML:2.1 0.00018535 0.42 AML other m 2024-02-18T13:16:05.79
IV.CAFI.HHE. ML:1.5 0.000024149999999999997 0.06 AML other m 2024-02-18T13:16:16.28
IV.CAFI.HHN. ML:1.1 0.0000125 1.54 AML other m 2024-02-18T13:16:20.03
IV.NRCA.HHE. ML:1.7 0.0005685 0.14 AML other m 2024-02-18T13:16:30.20
IV.MMO1.EHE. ML:1.4 0.000214 0.82 AML other m 2024-02-18T13:16:31.02
IV.NRCA.HHN. ML:1.8 0.000629 1.44 AML other m 2024-02-18T13:16:31.79
IV.MMO1.EHN. ML:1.6 0.00033650000000000005 0.24 AML other m 2024-02-18T13:16:31.00
IV.SMA1.EHE. ML:1.5 0.0002545 0.2 AML other m 2024-02-18T13:16:31.81
IV.SMA1.EHN. ML:1.3 0.00014900000000000002 0.64 AML other m 2024-02-18T13:16:32.94
IV.LNSS.HHN. ML:1.8 0.00034250000000000003 0.88 AML other m 2024-02-18T13:16:34.09
IV.RM33.EHN. ML:1.2 0.00008044999999999999 0.18 AML other m 2024-02-18T13:16:35.16
IV.LNSS.HHE. ML:1.5 0.0001975 0.54 AML other m 2024-02-18T13:16:35.60
IV.RM33.EHE. ML:1.2 0.00008115 0.36 AML other m 2024-02-18T13:16:35.41
IV.TERO.HHN. ML:1.5 0.00014299999999999998 1.44 AML other m 2024-02-18T13:16:36.98
IV.TERO.HHE. ML:1.2 0.0000691 0.38 AML other m 2024-02-18T13:16:37.63
IV.FAGN.HHN. ML:1.4 0.0000499 1.5 AML other m 2024-02-18T13:16:47.81
IV.FAGN.HHE. ML:1.5 0.000054449999999999995 0.26 AML other m 2024-02-18T13:16:47.32
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