Earthquake with magnitude of ML 1.5 on date 18-02-2024 and time 01:51:43 (Italy) in region Costa Ligure centro occidentale (Savona)

A magnitude ML 1.5 earthquake occured in region: Costa Ligure centro occidentale (Savona), on

  • 18-02-2024 00:51:43 (UTC)
  • 18-02-2024 01:51:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0080, 8.4160 at 10 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
Albenga SV 17 24213 24213
Ceriale SV 18 5561 29774
Loano SV 18 11407 41181
Borghetto Santo Spirito SV 18 4948 46129
Finale Ligure SV 19 11711 57840
Pietra Ligure SV 19 8992 66832
Borgio Verezzi SV 19 2205 69037
Alassio SV 19 10934 79971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km S of Savona (61345 inhabitants)
55 Km E of Sanremo (54807 inhabitants)
61 Km SW of Genova (586655 inhabitants)
81 Km SE of Cuneo (56081 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
00:51:43
44.0077 8.4162 10 2024-02-18
01:14:00
Sala Sismica INGV-Roma 125346561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-18 00:51:43 ± 0.34
Latitude 44.0077 ± 0.0117
Longitude 8.4162 ± 0.0150
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125346561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1197
Semi-minor axis of confidence ellipse (meter) 1121
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.23742
Epicentral distance of station farthest from the epicenter (degree) 0.81748
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 125346561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-18 01:14:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2024-02-18T00:52:10.62 1.0 undecidable manual S 287 90.7425 50 0.71 19
GU.BURY.HHZ. 2024-02-18T00:52:05.28 0.6 undecidable manual S 250 73.0713 50 0.07 46
GU.RNCA.HHZ. 2024-02-18T00:52:03.76 0.6 undecidable manual S 39 66.6777 50 0.25 45
GU.PCP.HHZ. 2024-02-18T00:52:01.32 0.6 undecidable manual S 10 60.0954 50 -0.42 44
GU.GBOS.HHZ. 2024-02-18T00:51:59.61 0.6 undecidable manual S 300 52.7028 50 -0.17 47
GU.STV.HHZ. 2024-02-18T00:51:59.17 1.0 negative manual P 287 90.7425 50 0.61 19
GU.MGRO.HHZ. 2024-02-18T00:51:58.90 0.6 undecidable manual S 275 48.618 50 0.21 47
GU.BURY.HHZ. 2024-02-18T00:51:56.50 0.1 undecidable manual P 250 73.0713 50 0.65 79
GU.IMI.HHZ. 2024-02-18T00:51:56.87 0.6 undecidable manual S 256 43.1235 50 -0.34 46
GU.RNCA.HHZ. 2024-02-18T00:51:54.90 1.0 undecidable manual P 39 66.6777 50 0.03 23
GU.RORO.HHZ. 2024-02-18T00:51:53.80 0.6 undecidable manual S 293 30.1476 50 0.04 50
GU.PCP.HHZ. 2024-02-18T00:51:53.79 0.6 undecidable manual P 10 60.0954 50 -0.05 47
GU.CANO.HHZ. 2024-02-18T00:51:52.79 0.6 undecidable manual S 327 26.3514 50 0.05 50
GU.GBOS.HHZ. 2024-02-18T00:51:52.84 0.1 undecidable manual P 300 52.7028 50 0.13 94
GU.MGRO.HHZ. 2024-02-18T00:51:51.79 0.1 undecidable manual P 275 48.618 50 -0.29 92
GU.IMI.HHZ. 2024-02-18T00:51:50.64 0.1 undecidable manual P 256 43.1235 50 -0.59 86
GU.RORO.HHZ. 2024-02-18T00:51:49.04 1.0 positive manual P 293 30.1476 50 -0.19 24
GU.CANO.HHZ. 2024-02-18T00:51:48.72 0.1 positive manual P 327 26.3514 50 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1.5 0.0001855 0.28 AML other m 2024-02-18T00:51:53.84
GU.CANO.HHE. ML:1.6 0.00023899999999999998 0.2 AML other m 2024-02-18T00:51:54.18
GU.IMI.HHE. ML:1.3 0.0000627 0.94 AML other m 2024-02-18T00:51:57.95
GU.IMI.HHN. ML:1.6 0.00013900000000000002 0.2 AML other m 2024-02-18T00:51:57.62
GU.MGRO.HHE. ML:1.4 0.00007565 0.28 AML other m 2024-02-18T00:52:00.21
GU.MGRO.HHN. ML:1.4 0.00006429999999999999 0.42 AML other m 2024-02-18T00:52:00.67
GU.GBOS.HHN. ML:1.3 0.00004845 1.32 AML other m 2024-02-18T00:52:00.95
GU.GBOS.HHE. ML:1.1 0.00003229999999999999 1.24 AML other m 2024-02-18T00:52:01.80
GU.STV.HHE. ML:1.4 0.000027799999999999998 0.42 AML other m 2024-02-18T00:52:12.11
GU.STV.HHN. ML:1.4 0.0000314 0.6 AML other m 2024-02-18T00:52:13.56
GU.PZZ.HHN. ML:1.9 0.00005805 0.4 AML other m 2024-02-18T00:52:20.34
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