Earthquake with magnitude of ML 0.8 on date 25-02-2024 and time 22:18:27 (UTC) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 0.8 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 25-02-2024 22:18:27 (UTC)
  • 25-02-2024 23:18:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7570, 13.2550 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 7 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 14 2657 12898
Montemonaco AP 17 604 13502
Cittareale RI 17 482 13984
Castelsantangelo sul Nera MC 17 281 14265

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 Km S of Ancona (100861 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 2024-02-25
22:18:27
42.7572 13.2552 11 2024-02-25
22:24:39
Sala Sismica INGV-Roma 125546671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-25 22:18:27 ± 0.03
Latitude 42.7572 ± 0.0018
Longitude 13.2552 ± 0.0024
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 125546671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 208
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.33635
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 125546671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-25 22:24:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-02-25T22:18:40.21 0.3 undecidable manual S 354 37.3293 50 0.05 72
IV.TERO.HHZ. 2024-02-25T22:18:38.56 0.3 undecidable manual S 118 32.1456 50 -0.2 70
IV.RM33.EHZ. 2024-02-25T22:18:37.60 0.3 undecidable manual S 187 27.75 50 0.01 74
IV.LNSS.HHZ. 2024-02-25T22:18:36.92 0.1 undecidable manual S 226 24.4533 50 0.19 95
IV.MC2.EHE. 2024-02-25T22:18:35.04 0.3 undecidable manual S 343 17.9709 121 0.12 73
IV.MMO1.EHZ. 2024-02-25T22:18:34.54 0.1 undecidable manual S 20 16.7721 123 -0.05 99
IV.SMA1.EHE. 2024-02-25T22:18:34.03 0.3 undecidable manual S 155 15.4734 125 -0.18 73
7F.SIB2.EHZ. 2024-02-25T22:18:34.00 0.1 undecidable manual S 15 15.3735 125 -0.18 97
IV.CSP1.EHZ. 2024-02-25T22:18:34.72 1.0 positive manual P 354 37.3293 50 -0.16 23
7F.SIB1.HNN. 2024-02-25T22:18:34.36 0.1 undecidable manual S 5 15.2736 125 0.2 96
7F.SIB3.EHZ. 2024-02-25T22:18:33.49 0.1 undecidable manual S 5 13.1757 129 -0.06 100
IV.RM33.EHZ. 2024-02-25T22:18:33.32 0.3 undecidable manual P 187 27.75 50 -0.08 73
IV.NRCA.HHZ. 2024-02-25T22:18:33.64 0.3 undecidable manual S 307 14.2746 127 -0.22 72
IV.TERO.HHZ. 2024-02-25T22:18:33.99 0.1 undecidable manual P 118 32.1456 50 -0.08 96
IV.MTRA.EHN. 2024-02-25T22:18:33.35 0.3 undecidable manual S 90 11.4774 133 0.22 73
ZO.PDN11.EHZ. 2024-02-25T22:18:33.10 0.3 undecidable manual S 285 11.3775 133 0 76
IV.LNSS.HHZ. 2024-02-25T22:18:32.92 0.3 negative manual P 226 24.4533 50 0.02 74
7F.SIB1.HNN. 2024-02-25T22:18:31.53 0.1 undecidable manual P 5 15.2736 125 0.12 98
IV.MMO1.EHZ. 2024-02-25T22:18:31.64 0.1 undecidable manual P 20 16.7721 123 -0.02 100
7F.SIB3.EHZ. 2024-02-25T22:18:31.11 0.1 undecidable manual P 5 13.1757 129 0.04 100
IV.MC2.EHE. 2024-02-25T22:18:31.82 0.3 undecidable manual P 343 17.9709 121 -0.04 75
IV.NRCA.HHZ. 2024-02-25T22:18:31.27 0.6 undecidable manual P 307 14.2746 127 0.03 50
IV.SMA1.EHE. 2024-02-25T22:18:31.58 0.3 undecidable manual P 155 15.4734 125 0.13 73
7F.SIB2.EHZ. 2024-02-25T22:18:31.39 0.1 undecidable manual P 15 15.3735 125 -0.03 100
IV.MTRA.EHN. 2024-02-25T22:18:31.02 0.3 undecidable manual P 90 11.4774 133 0.2 73
ZO.PDN11.EHZ. 2024-02-25T22:18:30.63 0.3 undecidable manual P 285 11.3775 133 -0.17 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.8 0.0000642 0.32 AML other m 2024-02-25T22:18:33.76
IV.NRCA.HHN. ML:0.8 0.00006085 0.84 AML other m 2024-02-25T22:18:34.81
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