Earthquake with magnitude of ML 1.2 on date 16-11-2023 and time 11:38:41 (Italy) in region 4 km SE Molini di Triora (IM)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Molini di Triora (IM), on

  • 16-11-2023 10:38:41 (UTC)
  • 16-11-2023 11:38:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9620, 7.7970 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
Molini di Triora IM 4 617 617
Triora IM 5 355 972
Montalto Ligure IM 5 377 1349
Carpasio IM 6 168 1517
Badalucco IM 7 1136 2653
Bajardo IM 9 312 2965
Rezzo IM 9 366 3331
Ceriana IM 9 1250 4581
Aurigo IM 10 347 4928
Castel Vittorio IM 11 287 5215
Pigna IM 11 859 6074
Pietrabruna IM 12 501 6575
Montegrosso Pian Latte IM 12 118 6693
PrelĂ  IM 12 503 7196
Borgomaro IM 12 865 8061
Castellaro IM 12 1256 9317
Mendatica IM 13 185 9502
Vasia IM 13 389 9891
Cosio d'Arroscia IM 13 221 10112
Lucinasco IM 13 272 10384
Caravonica IM 14 282 10666
Pornassio IM 14 685 11351
Pieve di Teco IM 14 1338 12689
Taggia IM 14 14116 26805
Dolcedo IM 14 1415 28220
Briga Alta CN 14 39 28259
Apricale IM 14 629 28888
Pompeiana IM 14 823 29711
Perinaldo IM 14 870 30581
Terzorio IM 15 216 30797
Chiusavecchia IM 15 577 31374
Cesio IM 15 283 31657
Civezza IM 15 609 32266
Riva Ligure IM 15 2910 35176
Isolabona IM 16 679 35855
Sanremo IM 16 54807 90662
Chiusanico IM 16 607 91269
Santo Stefano al Mare IM 16 2197 93466
Vessalico IM 16 282 93748
Cipressa IM 16 1290 95038
Costarainera IM 17 828 95866
Armo IM 17 111 95977
Seborga IM 17 315 96292
Rocchetta Nervina IM 18 298 96590
Pontedassio IM 18 2323 98913
San Lorenzo al Mare IM 18 1297 100210
Borghetto d'Arroscia IM 18 456 100666
Dolceacqua IM 19 2074 102740
Soldano IM 19 977 103717
Ospedaletti IM 19 3367 107084
Vallebona IM 19 1310 108394
Testico SV 20 196 108590
San Biagio della Cima IM 20 1329 109919
Diano Arentino IM 20 722 110641

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of Sanremo (54807 inhabitants)
52 Km SE of Cuneo (56081 inhabitants)
67 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 1.2 2023-11-16
10:38:41
43.9622 7.7968 10 2023-11-16
10:48:36
Sala Sismica INGV-Roma 123171891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-16 10:38:41 ± 0.1
Latitude 43.9622 ± 0.0063
Longitude 7.7968 ± 0.0075
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 123171891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 682
Semi-minor axis of confidence ellipse (meter) 591
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 158
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.44067
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 123171891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-16 10:48:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.STV.HHZ. 2023-11-16T10:38:56.80 0.6 undecidable manual S 310 48.9177 50 -0.21 48
GU.GBOS.HHZ. 2023-11-16T10:38:52.10 0.6 undecidable manual S 6 31.1466 50 -0.19 49
GU.BURY.HHZ. 2023-11-16T10:38:51.20 0.6 undecidable manual S 224 27.6501 50 -0.14 50
GU.STV.HHZ. 2023-11-16T10:38:50.61 1.0 undecidable manual P 310 48.9177 50 0.25 24
GU.RORO.HHZ. 2023-11-16T10:38:50.70 0.6 undecidable manual S 52 27.2505 50 -0.53 46
GU.ENR.HHE. 2023-11-16T10:38:49.76 0.6 undecidable manual P 315 42.3243 50 0.42 46
FR.SAOF.HHZ.00 2023-11-16T10:38:48.80 0.6 undecidable manual S 278 19.6692 117 -0.13 51
GU.GBOS.HHZ. 2023-11-16T10:38:48.02 1.0 undecidable manual P 6 31.1466 50 0.39 24
GU.RORO.HHZ. 2023-11-16T10:38:47.41 0.6 positive manual P 52 27.2505 50 0.39 48
GU.BURY.HHZ. 2023-11-16T10:38:47.47 1.0 negative manual P 224 27.6501 50 0.38 24
FR.SAOF.HHZ.00 2023-11-16T10:38:45.36 0.6 negative manual P 278 19.6692 117 -0.34 49
GU.IMI.HHZ. 2023-11-16T10:38:45.90 0.6 undecidable manual S 127 9.5793 136 -0.19 51
GU.MGRO.HHZ. 2023-11-16T10:38:45.70 0.6 undecidable manual S 6 8.9799 138 -0.25 51
GU.IMI.HHZ. 2023-11-16T10:38:44.09 0.6 undecidable manual P 127 9.5793 136 0.04 53
GU.MGRO.HHZ. 2023-11-16T10:38:44.29 0.1 positive manual P 6 8.9799 138 0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.IMI.HHN. ML:1.5 0.000368 0.62 AML other m 2023-11-16T10:38:46.22
GU.IMI.HHE. ML:1.3 0.000275 0.22 AML other m 2023-11-16T10:38:46.49
GU.MGRO.HHE. ML:1.7 0.000742 1.46 AML other m 2023-11-16T10:38:46.17
GU.MGRO.HHN. ML:1.6 0.0005465 0.7 AML other m 2023-11-16T10:38:47.50
GU.RORO.HHE. ML:1.0 0.00005265 0.52 AML other m 2023-11-16T10:38:51.45
GU.RORO.HHN. ML:1.0 0.00006185 0.48 AML other m 2023-11-16T10:38:51.53
GU.BURY.HHN. ML:1.2 0.00007965 0.98 AML other m 2023-11-16T10:38:52.49
FR.SAOF.HHE.00 ML:1.2 0.00011949999999999999 0.42 AML other m 2023-11-16T10:38:52.39
FR.SAOF.HHN.00 ML:1.1 0.00008345 1.58 AML other m 2023-11-16T10:38:52.17
GU.BURY.HHE. ML:1.3 0.00009645 0.88 AML other m 2023-11-16T10:38:53.35
GU.STV.HHE. ML:1.0 0.000028650000000000002 0.42 AML other m 2023-11-16T10:38:57.83
GU.STV.HHN. ML:1.0 0.000024789999999999998 1.3 AML other m 2023-11-16T10:38:58.06
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