Earthquake with magnitude of ML 0.7 on date 25-03-2024 and time 10:50:27 (UTC) in region 1 km NE Arnasco (SV)

A magnitude ML 0.7 earthquake occured in region: 1 km NE Arnasco (SV), on

  • 25-03-2024 10:50:27 (UTC)
  • 25-03-2024 11:50:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0860, 8.1130 at 6 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
Arnasco SV 1 645 645
Cisano sul Neva SV 3 2085 2730
Zuccarello SV 3 309 3039
Vendone SV 3 388 3427
Ortovero SV 4 1586 5013
Castelbianco SV 4 330 5343
Castelvecchio di Rocca Barbena SV 5 145 5488
Villanova d'Albenga SV 5 2657 8145
Onzo SV 5 219 8364
Erli SV 6 245 8609
Garlenda SV 6 1254 9863
Balestrino SV 7 595 10458
Nasino SV 8 207 10665
Casanova Lerrone SV 8 749 11414
Ranzo IM 8 557 11971
Aquila d'Arroscia IM 9 166 12137
Toirano SV 9 2644 14781
Alto CN 9 128 14909
Albenga SV 9 24213 39122
Ceriale SV 10 5561 44683
Alassio SV 10 10934 55617
Stellanello SV 10 808 56425
Boissano SV 10 2492 58917
Borghetto d'Arroscia IM 11 456 59373
Borghetto Santo Spirito SV 11 4948 64321
Testico SV 11 196 64517
Bardineto SV 12 756 65273
Vessalico IM 13 282 65555
Loano SV 13 11407 76962
Laigueglia SV 13 1810 78772
Caprauna CN 13 104 78876
Villa Faraldi IM 13 444 79320
Cesio IM 14 283 79603
Garessio CN 14 3244 82847
Andora SV 14 7552 90399
Giustenice SV 14 977 91376
Pietra Ligure SV 15 8992 100368
Chiusanico IM 16 607 100975
Armo IM 16 111 101086
Caravonica IM 16 282 101368
Tovo San Giacomo SV 16 2582 103950
Magliolo SV 16 974 104924
Diano Arentino IM 16 722 105646
Pieve di Teco IM 16 1338 106984
Chiusavecchia IM 17 577 107561
Calizzano SV 17 1475 109036
Ormea CN 18 1617 110653
Borgio Verezzi SV 18 2205 112858
Diano San Pietro IM 18 1145 114003
San Bartolomeo al Mare IM 18 3129 117132
Lucinasco IM 18 272 117404
Cervo IM 18 1187 118591
Pontedassio IM 18 2323 120914
Borgomaro IM 18 865 121779
Diano Castello IM 18 2214 123993
Aurigo IM 19 347 124340
Priola CN 19 701 125041
Pornassio IM 19 685 125726
Diano Marina IM 20 5977 131703
Calice Ligure SV 20 1730 133433
Rialto SV 20 564 133997

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Savona (61345 inhabitants)
39 Km NE of Sanremo (54807 inhabitants)
56 Km SE of Cuneo (56081 inhabitants)
75 Km W of Genova (586655 inhabitants)
91 Km S of Asti (76202 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 0.7 2024-03-25
10:50:27
44.0863 8.1128 7 2024-03-25
10:58:50
Sala Sismica INGV-Roma 126148601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-25 10:50:27 ± 0.25
Latitude 44.0863 ± 0.0144
Longitude 8.1128 ± 0.0125
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126148601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1626
Semi-minor axis of confidence ellipse (meter) 676
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 340
Circular confidence region, given by single value of horizontal uncertainty (meter) 1630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.55038
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 126148601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-25 10:58:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHE. 2024-03-25T10:50:38.44 0.1 undecidable manual P 34 61.0944 50 -0.04 100
GU.GBOS.HHZ. 2024-03-25T10:50:36.63 0.6 undecidable manual S 309 27.75 103 -0.31 50
GU.CANO.HHZ. 2024-03-25T10:50:33.05 0.6 undecidable manual S 36 16.6722 111 -0.22 52
GU.GBOS.HHZ. 2024-03-25T10:50:33.28 0.6 undecidable manual P 309 27.75 103 0.52 48
IV.QLNO.HHZ. 2024-03-25T10:50:33.64 0.3 positive manual P 35 32.2455 101 -0.01 79
GU.CANO.HHZ. 2024-03-25T10:50:31.07 1.0 negative manual P 36 16.6722 111 0.43 25
GU.IMI.HHZ. 2024-03-25T10:50:31.97 1.0 undecidable manual P 222 26.2515 104 -0.5 24
GU.RORO.HHZ. 2024-03-25T10:50:29.06 1.0 undecidable manual P 308 4.6953 144 0.4 26
GU.RORO.HHZ. 2024-03-25T10:50:29.78 0.6 undecidable manual S 308 4.6953 144 -0.05 55
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:0.0 0.000337906 0.1 AML other m 2024-03-25T10:50:30.12
GU.RORO.HHN. ML:0.0 0.0002931621 0.1 AML other m 2024-03-25T10:50:30.07
GU.IMI.HHE. ML:0.8 0.000041889255 1.28 AML other m 2024-03-25T10:50:31.75
GU.IMI.HHN. ML:1.0 0.00005777475 0.12 AML other m 2024-03-25T10:50:35.55
GU.CANO.HHN. ML:0.8 0.00006020929 0.22 AML other m 2024-03-25T10:50:33.43
GU.GBOS.HHE. ML:0.3 0.0000091450765 0.24 AML other m 2024-03-25T10:50:38.95
GU.GBOS.HHN. ML:0.3 0.000011140304 0.26 AML other m 2024-03-25T10:50:38.79
IV.QLNO.HHE. ML:0.6 0.00001981531 0.42 AML other m 2024-03-25T10:50:40.97
IV.QLNO.HHN. ML:0.6 0.000020691502000000002 0.68 AML other m 2024-03-25T10:50:43.12
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