Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 07-01-2024 and time 13:37:23 (UTC) in region 1 km N Armo (IM)

A magnitude ML 0.6 earthquake occured in region: 1 km N Armo (IM), on

  • 07-01-2024 13:37:23 (UTC)
  • 07-01-2024 14:37:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.0970, 7.9140 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.

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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
Armo IM 1 111 111
Caprauna CN 4 104 215
Pornassio IM 4 685 900
Pieve di Teco IM 5 1338 2238
Ormea CN 6 1617 3855
Vessalico IM 7 282 4137
Cosio d'Arroscia IM 7 221 4358
Borghetto d'Arroscia IM 7 456 4814
Alto CN 7 128 4942
Aquila d'Arroscia IM 8 166 5108
Montegrosso Pian Latte IM 8 118 5226
Mendatica IM 9 185 5411
Rezzo IM 9 366 5777
Ranzo IM 9 557 6334
Nasino SV 9 207 6541
Cesio IM 11 283 6824
Onzo SV 12 219 7043
Caravonica IM 12 282 7325
Aurigo IM 13 347 7672
Briga Alta CN 13 39 7711
Casanova Lerrone SV 13 749 8460
Vendone SV 13 388 8848
Castelbianco SV 13 330 9178
Borgomaro IM 14 865 10043
Testico SV 14 196 10239
Garessio CN 15 3244 13483
Lucinasco IM 15 272 13755
Chiusanico IM 15 607 14362
Ortovero SV 15 1586 15948
Chiusavecchia IM 15 577 16525
Carpasio IM 16 168 16693
Arnasco SV 16 645 17338
Stellanello SV 16 808 18146
Erli SV 16 245 18391
Molini di Triora IM 16 617 19008
Zuccarello SV 16 309 19317
Garlenda SV 16 1254 20571
Triora IM 17 355 20926
Castelvecchio di Rocca Barbena SV 17 145 21071
Vasia IM 18 389 21460
Cisano sul Neva SV 19 2085 23545
Priola CN 19 701 24246
Prelà IM 19 503 24749
Pontedassio IM 19 2323 27072
Villanova d'Albenga SV 19 2657 29729
Diano Arentino IM 19 722 30451
Montalto Ligure IM 20 377 30828

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Sanremo (54807 inhabitants)
44 Km SE of Cuneo (56081 inhabitants)
51 Km W of Savona (61345 inhabitants)
89 Km W of Genova (586655 inhabitants)
92 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 0.6 2024-01-07
13:37:23		 44.0967 7.9137 11 2024-01-07
13:45:56		 Sala Sismica INGV-Roma 124534041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-07 13:37:23 ± 0.24
Latitude 44.0967 ± 0.0090
Longitude 7.9137 ± 0.0163
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124534041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1053
Semi-minor axis of confidence ellipse (meter) 901
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.25721
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 124534041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-07 13:45:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2024-01-07T13:37:33.20 0.6 undecidable manual S 64 28.5492 50 -0.46 47
GU.IMI.HHZ. 2024-01-07T13:37:31.03 0.6 undecidable manual S 185 20.6682 117 -0.54 46
GU.GBOS.HHZ. 2024-01-07T13:37:30.04 0.6 undecidable manual S 340 17.1717 122 -0.45 48
GU.RORO.HHZ. 2024-01-07T13:37:29.01 0.3 undecidable manual S 82 12.2766 131 -0.13 77
GU.CANO.HHZ. 2024-01-07T13:37:29.66 0.6 undecidable manual P 64 28.5492 50 0.3 49
GU.IMI.HHZ. 2024-01-07T13:37:28.40 0.3 undecidable manual P 185 20.6682 117 0.24 75
GU.RORO.HHZ. 2024-01-07T13:37:27.04 0.1 undecidable manual P 82 12.2766 131 0.28 100
GU.GBOS.HHZ. 2024-01-07T13:37:27.76 0.3 undecidable manual P 340 17.1717 122 0.23 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:0.7 0.000052864467499999996 0.0768 AML other m 2024-01-07T13:37:29.35
GU.RORO.HHN. ML:0.6 0.000043852505 0.1408 AML other m 2024-01-07T13:37:29.65
GU.IMI.HHE. ML:0.3 0.0000154694 0.16 AML other m 2024-01-07T13:37:31.21
GU.CANO.HHE. ML:0.7 0.000023328678000000002 0.096 AML other m 2024-01-07T13:37:33.30
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