Earthquake with magnitude of ML 0.8 on date 04-10-2024 and time 14:02:13 (UTC) in region 1 km E Castelbianco (SV)

A magnitude ML 0.8 earthquake occured in region: 1 km E Castelbianco (SV), on

  • 04-10-2024 14:02:13 (UTC)
  • 04-10-2024 16:02:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1170, 8.0860 at 7 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
Castelbianco SV 1 330 330
Zuccarello SV 3 309 639
Erli SV 3 245 884
Castelvecchio di Rocca Barbena SV 3 145 1029
Arnasco SV 5 645 1674
Nasino SV 5 207 1881
Vendone SV 5 388 2269
Cisano sul Neva SV 6 2085 4354
Onzo SV 6 219 4573
Alto CN 7 128 4701
Ortovero SV 7 1586 6287
Balestrino SV 7 595 6882
Aquila d'Arroscia IM 7 166 7048
Ranzo IM 8 557 7605
Villanova d'Albenga SV 9 2657 10262
Garlenda SV 9 1254 11516
Bardineto SV 9 756 12272
Casanova Lerrone SV 10 749 13021
Toirano SV 10 2644 15665
Garessio CN 10 3244 18909
Caprauna CN 10 104 19013
Borghetto d'Arroscia IM 11 456 19469
Boissano SV 11 2492 21961
Ceriale SV 12 5561 27522
Vessalico IM 13 282 27804
Borghetto Santo Spirito SV 13 4948 32752
Albenga SV 13 24213 56965
Stellanello SV 13 808 57773
Testico SV 13 196 57969
Calizzano SV 14 1475 59444
Alassio SV 14 10934 70378
Armo IM 14 111 70489
Loano SV 14 11407 81896
Giustenice SV 14 977 82873
Ormea CN 14 1617 84490
Cesio IM 15 283 84773
Priola CN 15 701 85474
Pieve di Teco IM 16 1338 86812
Magliolo SV 16 974 87786
Tovo San Giacomo SV 16 2582 90368
Pietra Ligure SV 16 8992 99360
Villa Faraldi IM 17 444 99804
Laigueglia SV 17 1810 101614
Caravonica IM 17 282 101896
Chiusanico IM 18 607 102503
Pornassio IM 18 685 103188
Andora SV 18 7552 110740
Borgio Verezzi SV 18 2205 112945
Chiusavecchia IM 18 577 113522
Rialto SV 19 564 114086
Diano Arentino IM 19 722 114808
Borgomaro IM 19 865 115673
Lucinasco IM 19 272 115945
Calice Ligure SV 19 1730 117675
Aurigo IM 20 347 118022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SW of Savona (61345 inhabitants)
41 Km NE of Sanremo (54807 inhabitants)
53 Km SE of Cuneo (56081 inhabitants)
75 Km W of Genova (586655 inhabitants)
88 Km S of Asti (76202 inhabitants)
98 Km SW of Alessandria (93943 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 2024-10-04
14:02:13
44.1168 8.0863 7 2024-10-04
14:15:07
Sala Sismica INGV-Roma 131859391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-10-04 14:02:13 ± 0.22
Latitude 44.1168 ± 0.0207
Longitude 8.0863 ± 0.0238
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 131859391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2820
Semi-minor axis of confidence ellipse (meter) 457
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 2820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.53600
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 131859391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-10-04 14:15:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2024-10-04T14:02:23.94 0.6 undecidable manual P 38 59.496 50 -0.49 44
GU.IMI.HHZ. 2024-10-04T14:02:19.05 0.6 positive manual P 214 27.5502 104 0.08 50
GU.CANO.HHZ. 2024-10-04T14:02:19.16 0.3 undecidable manual S 50 15.6732 113 -0.03 78
GU.GBOS.HHZ. 2024-10-04T14:02:18.57 1.0 undecidable manual P 305 23.9538 106 0.3 24
GU.CANO.HHZ. 2024-10-04T14:02:16.90 0.1 undecidable manual P 50 15.6732 113 0.21 100
GU.RORO.HHZ. 2024-10-04T14:02:15.40 0.3 undecidable manual S 253 1.5984 166 -0.27 76
GU.RORO.HHZ. 2024-10-04T14:02:14.79 0.3 undecidable manual P 253 1.5984 166 0.13 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHE. ML:1.2 0.00017816090000000002 0.38 AML other m 2024-10-04T14:02:19.90
GU.CANO.HHN. ML:1.1 0.00013450000000000002 0.34 AML other m 2024-10-04T14:02:20.30
GU.RORO.HHE. ML:0.0 0.0004904265 0.06 AML other m 2024-10-04T14:02:15.64
GU.RORO.HHN. ML:0.0 0.00042497810000000004 0.2 AML other m 2024-10-04T14:02:16.43
GU.GBOS.HHE. ML:0.5 0.000020070905 0.28 AML other m 2024-10-04T14:02:23.61
GU.GBOS.HHN. ML:0.5 0.000018820688500000003 2.46 AML other m 2024-10-04T14:02:22.47
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