Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-01-2024 and time 11:05:37 (Italy) in region 1 km SW Zuccarello (SV)

A magnitude ML 1.2 earthquake occured in region: 1 km SW Zuccarello (SV), on

  • 23-01-2024 10:05:37 (UTC)
  • 23-01-2024 11:05:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.1070, 8.1070 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Zuccarello SV 1 309 309
Castelbianco SV 3 330 639
Castelvecchio di Rocca Barbena SV 3 145 784
Arnasco SV 3 645 1429
Erli SV 3 245 1674
Cisano sul Neva SV 4 2085 3759
Vendone SV 4 388 4147
Ortovero SV 6 1586 5733
Balestrino SV 6 595 6328
Onzo SV 6 219 6547
Nasino SV 6 207 6754
Villanova d'Albenga SV 7 2657 9411
Garlenda SV 8 1254 10665
Alto CN 8 128 10793
Aquila d'Arroscia IM 8 166 10959
Toirano SV 8 2644 13603
Ranzo IM 9 557 14160
Casanova Lerrone SV 10 749 14909
Boissano SV 10 2492 17401
Bardineto SV 10 756 18157
Ceriale SV 10 5561 23718
Albenga SV 11 24213 47931
Borghetto Santo Spirito SV 11 4948 52879
Borghetto d'Arroscia IM 11 456 53335
Garessio CN 12 3244 56579
Alassio SV 12 10934 67513
Caprauna CN 12 104 67617
Stellanello SV 12 808 68425
Loano SV 13 11407 79832
Testico SV 13 196 80028
Vessalico IM 13 282 80310
Giustenice SV 13 977 81287
Calizzano SV 14 1475 82762
Pietra Ligure SV 15 8992 91754
Magliolo SV 15 974 92728
Cesio IM 15 283 93011
Tovo San Giacomo SV 15 2582 95593
Laigueglia SV 15 1810 97403
Armo IM 16 111 97514
Villa Faraldi IM 16 444 97958
Ormea CN 16 1617 99575
Pieve di Teco IM 17 1338 100913
Andora SV 17 7552 108465
Borgio Verezzi SV 17 2205 110670
Priola CN 17 701 111371
Caravonica IM 17 282 111653
Chiusanico IM 17 607 112260
Chiusavecchia IM 18 577 112837
Diano Arentino IM 18 722 113559
Rialto SV 19 564 114123
Calice Ligure SV 19 1730 115853
Lucinasco IM 19 272 116125
Pornassio IM 19 685 116810
Borgomaro IM 19 865 117675
Diano San Pietro IM 20 1145 118820
San Bartolomeo al Mare IM 20 3129 121949
Pontedassio IM 20 2323 124272
Cervo IM 20 1187 125459

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SW of Savona (61345 inhabitants)
41 Km NE of Sanremo (54807 inhabitants)
55 Km SE of Cuneo (56081 inhabitants)
74 Km W of Genova (586655 inhabitants)
89 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 1.2 2024-01-23
10:05:37		 44.1068 8.1073 6 2024-01-23
10:20:33		 Sala Sismica INGV-Roma 124808331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-23 10:05:37 ± 0.09
Latitude 44.1068 ± 0.0045
Longitude 8.1073 ± 0.0063
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124808331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 446
Semi-minor axis of confidence ellipse (meter) 358
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 148
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.53510
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:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 124808331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-23 10:20:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2024-01-23T10:05:56.53 1.0 undecidable manual S 36 59.3961 50 -0.18 23
GU.PCP.HHZ. 2024-01-23T10:05:48.29 0.1 undecidable manual P 36 59.3961 50 -0.21 91
GU.IMI.HHZ. 2024-01-23T10:05:47.16 0.3 undecidable manual S 218 27.6501 102 0.04 74
GU.GBOS.HHZ. 2024-01-23T10:05:46.51 0.1 undecidable manual S 305 25.9518 103 -0.04 99
GU.IMI.HHZ. 2024-01-23T10:05:42.96 0.1 undecidable manual P 218 27.6501 102 0 100
GU.GBOS.HHZ. 2024-01-23T10:05:42.89 0.1 undecidable manual P 305 25.9518 103 0.25 95
GU.CANO.HHZ. 2024-01-23T10:05:42.98 0.3 undecidable manual S 43 15.1737 112 0 77
GU.CANO.HHZ. 2024-01-23T10:05:40.77 0.1 undecidable manual P 43 15.1737 112 0.2 98
GU.RORO.HHZ. 2024-01-23T10:05:39.44 0.3 undecidable manual S 281 3.2967 152 -0.25 74
GU.RORO.HHZ. 2024-01-23T10:05:38.68 1.0 undecidable manual P 281 3.2967 152 0 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CANO.HHN. ML:1.2 0.00015000000000000001 0.36 AML other m 2024-01-23T10:05:43.44
GU.CANO.HHE. ML:1.3 0.00019350000000000001 0.4 AML other m 2024-01-23T10:05:43.60
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