Earthquake with magnitude of ML 1.2 on date 21-02-2024 and time 14:24:40 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 21-02-2024 13:24:40 (UTC)
  • 21-02-2024 14:24:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7780, 13.2220 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
Arquata del Tronto AP 6 1178 1178
Accumoli RI 9 667 1845
Norcia PG 11 4957 6802
Montegallo AP 12 523 7325
Castelsantangelo sul Nera MC 14 281 7606
Acquasanta Terme AP 15 2916 10522
Montemonaco AP 16 604 11126
Amatrice RI 17 2657 13783
Cascia PG 18 3217 17000
Cittareale RI 18 482 17482
Preci PG 19 724 18206
Ussita MC 20 444 18650

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
53 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
100 Km E of Viterbo (67173 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 1.2 2024-02-21
13:24:40
42.7775 13.2225 12 2024-02-21
13:47:41
Sala Sismica INGV-Roma 125423371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-21 13:24:40
Latitude 42.7775
Longitude 13.2225
Depth (km) 12 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125423371

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
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 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.97576
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 125423371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-21 13:47:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-02-21T13:25:12.21 0.6 undecidable manual S 334 108.3138 1.9 0
IV.VVLD.HHZ. 2024-02-21T13:25:08.83 0.3 undecidable manual S 159 103.0191 -0.32 1.46
IV.SSFR.HHZ. 2024-02-21T13:25:05.51 0.6 undecidable manual S 338 83.8494 0.58 0.98
IV.GUMA.HHZ. 2024-02-21T13:24:52.27 0.6 undecidable manual S 16 32.9448 0.6 0.58
IV.CSP1.EHZ. 2024-02-21T13:24:52.01 0.6 undecidable manual S 358 34.8429 -0.19 0.58
IV.CESI.HHZ. 2024-02-21T13:24:52.56 0.3 undecidable manual S 315 36.1416 0.02 0.87
IV.FDMO.HHZ. 2024-02-21T13:24:50.72 0.6 undecidable manual S 340 30.747 -0.34 0.58
IV.RM33.EHZ. 2024-02-21T13:24:50.73 0.6 undecidable manual S 182 29.748 -0.09 0.58
IT.MTCL.HGZ. 2024-02-21T13:24:50.36 0.3 undecidable manual S 323 30.1476 -0.53 0.87
IV.MML1.EHZ. 2024-02-21T13:24:48.04 1.0 undecidable manual P 338 44.9217 0.1 0.49
IV.SMA1.EHZ. 2024-02-21T13:24:47.59 0.1 undecidable manual S 150 18.7701 -0.2 1.17
IV.CESI.HHZ. 2024-02-21T13:24:47.11 0.1 undecidable manual P 315 36.1416 0.02 1.17
IV.GUMA.HHZ. 2024-02-21T13:24:47.12 0.1 undecidable manual P 16 32.9448 0.52 1.17
IV.MC2.EHZ. 2024-02-21T13:24:47.06 0.3 undecidable manual S 350 15.0738 0.25 0.87
IV.RM33.EHZ. 2024-02-21T13:24:46.10 0.1 undecidable manual P 182 29.748 -0.02 1.17
IV.MTRA.EHZ. 2024-02-21T13:24:46.36 0.6 undecidable manual S 99 14.3745 -0.27 0.58
IT.MTCL.HGZ. 2024-02-21T13:24:46.00 0.1 undecidable manual P 323 30.1476 -0.16 1.17
IV.FDMO.HHZ. 2024-02-21T13:24:46.10 0.1 undecidable manual P 340 30.747 -0.16 1.17
7F.SIB1.EHZ. 2024-02-21T13:24:46.63 0.6 undecidable manual S 16 13.5753 0.23 0.58
IV.MMO1.EHZ. 2024-02-21T13:24:46.88 0.1 undecidable manual S 32 15.9729 -0.16 1.17
IV.TERO.HHZ. 2024-02-21T13:24:46.83 1.0 undecidable manual P 110 37.0296 0.06 0.49
7F.SIB2.EHZ. 2024-02-21T13:24:46.33 0.1 undecidable manual S 27 14.1747 -0.25 1.17
IV.CSP1.EHZ. 2024-02-21T13:24:46.81 0.1 undecidable manual P 358 34.8429 -0.09 1.17
IV.NRCA.HHZ. 2024-02-21T13:24:45.61 0.1 undecidable manual S 306 10.7781 -0.11 1.17
ZO.PDN11.EHZ. 2024-02-21T13:24:45.25 0.3 undecidable manual S 275 8.3805 0.04 0.87
7F.SIB3.EHZ. 2024-02-21T13:24:45.72 0.3 undecidable manual S 19 11.4774 -0.17 0.87
IV.MC2.EHZ. 2024-02-21T13:24:44.01 0.1 undecidable manual P 350 15.0738 0.14 1.17
IV.SMA1.EHZ. 2024-02-21T13:24:44.46 0.1 undecidable manual P 150 18.7701 0.04 1.17
IV.MMO1.EHZ. 2024-02-21T13:24:44.02 0.1 undecidable manual P 32 15.9729 0.02 1.17
7F.SIB2.EHZ. 2024-02-21T13:24:43.74 0.1 undecidable manual P 27 14.1747 0 1.17
IV.NRCA.HHZ. 2024-02-21T13:24:43.40 0.1 undecidable manual P 306 10.7781 0.14 1.17
ZO.PDN11.EHZ. 2024-02-21T13:24:43.18 0.1 undecidable manual P 275 8.3805 0.21 1.17
IV.MTRA.EHZ. 2024-02-21T13:24:43.81 0.1 undecidable manual P 99 14.3745 0.04 1.17
7F.SIB1.EHZ. 2024-02-21T13:24:43.79 0.1 undecidable manual P 16 13.5753 0.15 1.17
7F.SIB3.EHZ. 2024-02-21T13:24:43.40 0.1 undecidable manual P 19 11.4774 0.05 1.17
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.000252 0.12 AML other m 2024-02-21T13:24:45.68
IV.NRCA.HHE. ML:1.4 0.0002605 0.16 AML other m 2024-02-21T13:24:45.81
IV.SMA1.EHN. ML:1.1 0.00010109999999999999 0.38 AML other m 2024-02-21T13:24:47.71
IV.SMA1.EHE. ML:1.1 0.00008655 0.1 AML other m 2024-02-21T13:24:47.94
IV.MMO1.EHN. ML:0.9 0.00007205 0.06 AML other m 2024-02-21T13:24:46.93
IV.MMO1.EHE. ML:1.2 0.00014700000000000002 0.08 AML other m 2024-02-21T13:24:46.95
IV.RM33.EHN. ML:1.3 0.00008690000000000001 0.22 AML other m 2024-02-21T13:24:51.04
IV.RM33.EHE. ML:1.1 0.000054499999999999997 1.48 AML other m 2024-02-21T13:24:51.86
IV.GUMA.HHN. ML:1.4 0.00009620000000000001 0.3 AML other m 2024-02-21T13:24:52.53
IV.GUMA.HHE. ML:1.3 0.00008535000000000001 1.14 AML other m 2024-02-21T13:24:52.49
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