Earthquake with magnitude of ML 0.8 on date 29-07-2023 and time 11:02:26 (Italy) in region 1 km NE Civezza (IM)

A magnitude ML 0.8 earthquake occured in region: 1 km NE Civezza (IM), on

  • 29-07-2023 09:02:26 (UTC)
  • 29-07-2023 11:02:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.8890, 7.9660 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
Civezza IM 2 609 609
Dolcedo IM 2 1415 2024
San Lorenzo al Mare IM 4 1297 3321
Costarainera IM 4 828 4149
Cipressa IM 5 1290 5439
PrelĂ  IM 5 503 5942
Pietrabruna IM 5 501 6443
Imperia IM 5 42034 48477
Vasia IM 5 389 48866
Terzorio IM 7 216 49082
Pontedassio IM 7 2323 51405
Pompeiana IM 7 823 52228
Santo Stefano al Mare IM 8 2197 54425
Castellaro IM 8 1256 55681
Riva Ligure IM 9 2910 58591
Lucinasco IM 9 272 58863
Chiusavecchia IM 9 577 59440
Diano Castello IM 9 2214 61654
Diano Arentino IM 9 722 62376
Diano San Pietro IM 10 1145 63521
Chiusanico IM 10 607 64128
Diano Marina IM 10 5977 70105
Borgomaro IM 10 865 70970
Badalucco IM 10 1136 72106
Taggia IM 10 14116 86222
Montalto Ligure IM 11 377 86599
Aurigo IM 11 347 86946
Carpasio IM 11 168 87114
Caravonica IM 12 282 87396
San Bartolomeo al Mare IM 12 3129 90525
Cervo IM 13 1187 91712
Cesio IM 13 283 91995
Villa Faraldi IM 13 444 92439
Testico SV 14 196 92635
Stellanello SV 15 808 93443
Ceriana IM 15 1250 94693
Andora SV 16 7552 102245
Sanremo IM 16 54807 157052
Rezzo IM 17 366 157418
Casanova Lerrone SV 17 749 158167
Vessalico IM 18 282 158449
Pieve di Teco IM 18 1338 159787
Laigueglia SV 18 1810 161597
Borghetto d'Arroscia IM 19 456 162053
Molini di Triora IM 19 617 162670
Garlenda SV 19 1254 163924
Ranzo IM 20 557 164481
Bajardo IM 20 312 164793

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Sanremo (54807 inhabitants)
62 Km SW of Savona (61345 inhabitants)
65 Km SE of Cuneo (56081 inhabitants)
97 Km SW of Genova (586655 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 2023-07-29
09:02:26
43.8892 7.9658 10 2023-07-29
09:11:45
Sala Sismica INGV-Roma 119675901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-29 09:02:26 ± 0.22
Latitude 43.8892 ± 0.0117
Longitude 7.9658 ± 0.0100
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119675901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1349
Semi-minor axis of confidence ellipse (meter) 699
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 256
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) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.77252
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 119675901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-29 09:11:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2023-07-29T09:02:46.62 0.6 undecidable manual S 308 64.491 50 0.11 46
GU.ENR.HHZ. 2023-07-29T09:02:44.89 0.6 undecidable manual S 311 57.6978 50 0.18 45
GU.PCP.HHZ. 2023-07-29T09:02:42.00 0.1 undecidable manual P 32 85.7475 50 0.65 76
GU.CANO.HHZ. 2023-07-29T09:02:39.82 0.3 undecidable manual S 31 41.4252 50 -0.54 65
GU.GBOS.HHE. 2023-07-29T09:02:39.97 0.6 undecidable manual S 346 40.3263 50 -0.11 48
GU.STV.HHZ. 2023-07-29T09:02:38.41 0.3 positive manual P 308 64.491 50 0.34 65
FR.SAOF.HHZ.00 2023-07-29T09:02:38.02 0.6 undecidable manual S 288 34.6431 50 -0.54 44
GU.ENR.HHZ. 2023-07-29T09:02:37.54 0.6 undecidable manual P 311 57.6978 50 0.52 42
IV.QLNO.HHZ. 2023-07-29T09:02:36.99 0.1 undecidable manual P 32 56.9985 50 0.08 93
GU.RORO.HHZ. 2023-07-29T09:02:35.96 0.6 undecidable manual S 18 26.0517 110 -0.21 48
GU.MGRO.HHE. 2023-07-29T09:02:35.00 0.6 undecidable manual S 324 21.1677 115 0.4 46
GU.GBOS.HHE. 2023-07-29T09:02:34.15 0.1 undecidable manual P 346 40.3263 50 -0.2 93
GU.CANO.HHZ. 2023-07-29T09:02:34.60 1.0 positive manual P 31 41.4252 50 0.09 24
FR.SAOF.HHZ.00 2023-07-29T09:02:33.18 0.3 undecidable manual P 288 34.6431 50 -0.29 69
GU.RORO.HHZ. 2023-07-29T09:02:32.07 0.6 undecidable manual P 18 26.0517 110 -0.02 50
GU.MGRO.HHE. 2023-07-29T09:02:31.22 0.1 undecidable manual P 324 21.1677 115 0.03 100
GU.IMI.HHE. 2023-07-29T09:02:30.43 0.6 undecidable manual S 292 6.2937 147 -0.09 51
GU.IMI.HHE. 2023-07-29T09:02:28.64 0.1 undecidable manual P 292 6.2937 147 -0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
FR.SAOF.HHE.00 ML:0.8 0.000022685715000000003 0.064 AML other m 2023-07-29T09:02:38.84
FR.SAOF.HHN.00 ML:0.7 0.000021634880000000004 0.0576 AML other m 2023-07-29T09:02:39.04
IV.QLNO.HHE. ML:1.0 0.00001927697 0.4416 AML other m 2023-07-29T09:02:48.63
IV.QLNO.HHN. ML:1.1 0.00003073275 0.1984 AML other m 2023-07-29T09:02:48.40
GU.ENR.HHE. ML:0.7 0.000009336218999999999 0.0576 AML other m 2023-07-29T09:02:46.33
GU.ENR.HHN. ML:0.8 0.000012527574999999998 0.0768 AML other m 2023-07-29T09:02:48.51
GU.STV.HHE. ML:0.7 0.000008175913999999999 0.0768 AML other m 2023-07-29T09:02:47.13
GU.STV.HHN. ML:0.7 0.0000084072325 0.1408 AML other m 2023-07-29T09:02:47.28
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