Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 26-05-2024 and time 10:27:00 (Italy) in region 3 km SE Badalucco (IM)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Badalucco (IM), on

  • 26-05-2024 08:27:00 (UTC)
  • 26-05-2024 10:27:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8930, 7.8590 at 8 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
Badalucco IM 3 1136 1136
Castellaro IM 3 1256 2392
Pietrabruna IM 4 501 2893
Montalto Ligure IM 4 377 3270
Pompeiana IM 5 823 4093
Taggia IM 5 14116 18209
Terzorio IM 5 216 18425
Riva Ligure IM 6 2910 21335
Santo Stefano al Mare IM 7 2197 23532
Ceriana IM 7 1250 24782
Prelà IM 7 503 25285
Cipressa IM 8 1290 26575
Carpasio IM 8 168 26743
Civezza IM 8 609 27352
Dolcedo IM 8 1415 28767
Costarainera IM 8 828 29595
Vasia IM 9 389 29984
San Lorenzo al Mare IM 10 1297 31281
Sanremo IM 10 54807 86088
Aurigo IM 11 347 86435
Bajardo IM 11 312 86747
Borgomaro IM 12 865 87612
Lucinasco IM 12 272 87884
Molini di Triora IM 13 617 88501
Chiusavecchia IM 13 577 89078
Pontedassio IM 14 2323 91401
Imperia IM 14 42034 133435
Triora IM 14 355 133790
Caravonica IM 14 282 134072
Chiusanico IM 14 607 134679
Rezzo IM 14 366 135045
Perinaldo IM 15 870 135915
Seborga IM 15 315 136230
Ospedaletti IM 15 3367 139597
Castel Vittorio IM 15 287 139884
Cesio IM 16 283 140167
Apricale IM 16 629 140796
Diano Arentino IM 16 722 141518
Pigna IM 16 859 142377
Diano Castello IM 17 2214 144591
Diano San Pietro IM 17 1145 145736
Isolabona IM 18 679 146415
Vallebona IM 18 1310 147725
Pieve di Teco IM 18 1338 149063
Soldano IM 18 977 150040
Diano Marina IM 18 5977 156017
San Biagio della Cima IM 19 1329 157346
Testico SV 19 196 157542
Vessalico IM 19 282 157824
Dolceacqua IM 19 2074 159898
Bordighera IM 20 10469 170367
Montegrosso Pian Latte IM 20 118 170485
Pornassio IM 20 685 171170

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NE of Sanremo (54807 inhabitants)
61 Km SE of Cuneo (56081 inhabitants)
68 Km SW of Savona (61345 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 1.0 2024-05-26
08:27:00		 43.8932 7.8593 8 2024-05-26
08:31:19		 Sala Sismica INGV-Roma 128183701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-26 08:27:00 ± 0.19
Latitude 43.8932 ± 0.0117
Longitude 7.8593 ± 0.0100
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 128183701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1428
Semi-minor axis of confidence ellipse (meter) 456
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 154
Circular confidence region, given by single value of horizontal uncertainty (meter) 1430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.81299
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 128183701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-26 08:31:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PCP.HHZ. 2024-05-26T08:27:27.92 0.6 undecidable manual S 37 90.243 50 0.33 43
GU.PZZ.HHZ. 2024-05-26T08:27:27.99 0.6 undecidable manual S 319 90.1431 50 0.43 42
GU.PZZ.HHZ. 2024-05-26T08:27:16.47 0.6 positive manual P 319 90.1431 50 0.45 42
GU.PCP.HHZ. 2024-05-26T08:27:16.58 0.1 undecidable manual P 37 90.243 50 0.54 82
GU.GBOS.HHZ. 2024-05-26T08:27:13.37 0.3 undecidable manual S 358 38.628 50 -0.45 70
GU.STV.HHZ. 2024-05-26T08:27:11.03 1.0 undecidable manual P 313 57.6978 50 0.01 25
GU.RORO.HHZ. 2024-05-26T08:27:10.21 0.3 undecidable manual S 34 29.4483 104 -0.58 68
FR.SAOF.HHZ.00 2024-05-26T08:27:10.33 0.6 undecidable manual S 293 26.5512 106 0.5 47
GU.CANO.HHZ. 2024-05-26T08:27:09.07 0.6 negative manual P 41 46.1205 50 -0.16 49
GU.BURY.HHZ. 2024-05-26T08:27:09.41 0.6 undecidable manual S 243 27.1506 106 -0.62 45
GU.ENR.HHE. 2024-05-26T08:27:09.75 0.1 undecidable manual P 317 51.2154 50 -0.28 94
GU.GBOS.HHZ. 2024-05-26T08:27:08.36 1.0 negative manual P 358 38.628 50 0.27 24
GU.RORO.HHZ. 2024-05-26T08:27:06.40 0.6 negative manual P 34 29.4483 104 0.06 51
GU.BURY.HHZ. 2024-05-26T08:27:05.55 0.3 undecidable manual P 243 27.1506 106 -0.35 73
FR.SAOF.HHZ.00 2024-05-26T08:27:05.58 0.1 undecidable manual P 293 26.5512 106 -0.2 100
GU.BIGN.EHZ. 2024-05-26T08:27:05.05 0.6 undecidable manual S 256 9.9789 127 0.44 49
GU.IMI.HHZ. 2024-05-26T08:27:03.40 0.6 undecidable manual S 55 3.2967 156 0.29 51
GU.IMI.HHZ. 2024-05-26T08:27:02.02 1.0 undecidable manual P 55 3.2967 156 0.11 27
GU.BIGN.EHZ. 2024-05-26T08:27:02.96 0.6 undecidable manual P 256 9.9789 127 0.19 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BIGN.EHN. ML:1.6 0.0006580000000000001 0.22 AML other m 2024-05-26T08:27:05.15
GU.BIGN.EHE. ML:1.5 0.0005380000000000001 0.2 AML other m 2024-05-26T08:27:05.19
GU.BURY.HHE. ML:1.1 0.0000691 0.62 AML other m 2024-05-26T08:27:09.80
GU.BURY.HHN. ML:1.0 0.0000512 0.1 AML other m 2024-05-26T08:27:09.82
GU.RORO.HHE. ML:1.1 0.000059050000000000006 0.72 AML other m 2024-05-26T08:27:10.49
FR.SAOF.HHN.00 ML:0.9 0.00004720000000000001 0.38 AML other m 2024-05-26T08:27:10.35
FR.SAOF.HHE.00 ML:0.9 0.000047850000000000004 0.22 AML other m 2024-05-26T08:27:10.68
GU.RORO.HHN. ML:1.0 0.00004265 0.94 AML other m 2024-05-26T08:27:10.35
GU.GBOS.HHE. ML:0.7 0.000021949999999999998 0.24 AML other m 2024-05-26T08:27:13.02
GU.GBOS.HHN. ML:0.4 0.000011570000000000001 0.86 AML other m 2024-05-26T08:27:13.54
GU.PZZ.HHE. ML:0.9 0.0000106575435 0.84 AML other m 2024-05-26T08:27:28.15
GU.PZZ.HHN. ML:0.9 0.000010451055000000001 0.22 AML other m 2024-05-26T08:27:28.36
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