Earthquake with magnitude of ML 1.3 on date 16-06-2021 and time 10:34:00 (UTC) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 1.3 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 16-06-2021 10:34:00 (UTC)
  • 16-06-2021 12:34:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7800, 7.8000 at 15 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
Sanremo IM 5 54807 54807
Ospedaletti IM 7 3367 58174
Taggia IM 8 14116 72290
Riva Ligure IM 9 2910 75200
Seborga IM 10 315 75515
Bordighera IM 10 10469 85984
Santo Stefano al Mare IM 10 2197 88181
Pompeiana IM 11 823 89004
Castellaro IM 11 1256 90260
Vallebona IM 11 1310 91570
Ceriana IM 12 1250 92820
Terzorio IM 12 216 93036
Vallecrosia IM 13 6956 99992
San Biagio della Cima IM 13 1329 101321
Soldano IM 13 977 102298
Cipressa IM 14 1290 103588
Perinaldo IM 14 870 104458
Costarainera IM 14 828 105286
Camporosso IM 14 5632 110918
Pietrabruna IM 15 501 111419
Ventimiglia IM 15 24310 135729
Bajardo IM 15 312 136041
Badalucco IM 16 1136 137177
San Lorenzo al Mare IM 16 1297 138474
Apricale IM 16 629 139103
Dolceacqua IM 16 2074 141177
Civezza IM 17 609 141786
Montalto Ligure IM 17 377 142163
Isolabona IM 17 679 142842
Dolcedo IM 19 1415 144257
Castel Vittorio IM 20 287 144544
PrelĂ  IM 20 503 145047

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km S of Sanremo (54807 inhabitants)
71 Km S of Cuneo (56081 inhabitants)
80 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 1.3 2021-06-16
10:34:00
43.7798 7.7997 15 2021-06-16
10:44:23
Sala Sismica INGV-Roma 91388931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-16 10:34:00 ± 0.16
Latitude 43.7798 ± 0.0072
Longitude 7.7997 ± 0.0100
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91388931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 655
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 328
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92990
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 91388931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-16 10:44:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVIT.HHZ. 2021-06-16T10:34:42.69 3.0 undecidable manual Pg 22.940001 0
IV.HPAC.HHZ. 2021-06-16T10:34:40.55 3.0 negative manual Pg 15.37 0
CR.STON.BHZ. 2021-06-16T10:34:35.72 3.0 undecidable manual Sn -2.46 0
IV.CRAC.EHZ. 2021-06-16T10:34:32.77 3.0 undecidable manual Sn -9.99 0
GU.PCP.HHZ. 2021-06-16T10:34:30.29 0.1 undecidable manual S 35 103.2189 93 0.08 87
OT.OT14.EHZ. 2021-06-16T10:34:26.99 3.0 undecidable manual Sg 13.27 0
IV.QLNO.HHZ. 2021-06-16T10:34:22.62 0.1 undecidable manual S 36 74.4699 94 0.08 92
IV.IST3.HHZ. 2021-06-16T10:34:18.62 3.0 negative manual Pg 19.040001 0
GU.CANO.HHZ. 2021-06-16T10:34:18.11 0.3 undecidable manual S 36 58.8966 95 -0.29 68
GU.PCP.HHZ. 2021-06-16T10:34:17.52 0.3 undecidable manual P 35 103.2189 93 0.01 66
GU.GBOS.HHZ. 2021-06-16T10:34:16.36 0.1 undecidable manual S 4 51.3153 96 -0.03 97
IV.MRB1.HHZ. 2021-06-16T10:34:15.86 3.0 undecidable manual Sg 5.04 0
ST.ZIAN.EHZ. 2021-06-16T10:34:15.08 3.0 undecidable manual Sg 5.68 0
OT.OT13.EHZ. 2021-06-16T10:34:14.71 3.0 undecidable manual Sn -3.66 0
GU.RORO.HHZ. 2021-06-16T10:34:13.97 0.1 undecidable manual S 30 42.624 98 -0.12 97
IV.QLNO.HHZ. 2021-06-16T10:34:13.24 0.1 undecidable manual P 36 74.4699 94 0.16 91
GU.CANO.HHZ. 2021-06-16T10:34:10.79 0.1 undecidable manual P 36 58.8966 95 0.09 95
GU.GBOS.HHZ. 2021-06-16T10:34:09.53 0.1 undecidable manual P 4 51.3153 96 0 97
GU.RORO.HHZ. 2021-06-16T10:34:08.15 0.1 undecidable manual P 30 42.624 98 -0.05 97
GU.IMI.HHZ. 2021-06-16T10:34:07.58 0.1 undecidable manual S 27 16.2726 122 0.2 100
GU.IMI.HHZ. 2021-06-16T10:34:04.17 0.1 undecidable manual P 27 16.2726 122 -0.16 99
OT.OT16.EHZ. 2021-06-16T10:34:04.02 3.0 undecidable manual Sg 1.26 0
IV.GIZZ.HHZ. 2021-06-16T10:34:00.09 3.0 negative manual Pn -2.86 0
IV.MBAL.EHZ. 2021-06-16T10:33:53.26 3.0 undecidable manual Sn -4.87 0
IV.GIUL.HHZ. 2021-06-16T10:33:47.94 3.0 undecidable manual Sg 4.74 0
IV.MRLC.HHZ. 2021-06-16T10:33:47.50 3.0 undecidable manual Pg 8.18 0
IV.LPEL.HHZ. 2021-06-16T10:33:46.15 3.0 undecidable manual Sg 1.1 0
OT.OT13.EHZ. 2021-06-16T10:33:38.55 3.0 positive manual Pg 2.38 0
IV.ZEN8.EHZ. 2021-06-16T10:33:31.31 3.0 undecidable manual Pg 6.85 0
IV.MBAL.EHZ. 2021-06-16T10:33:29.55 3.0 negative manual Pn 4.75 0
IV.VTIR.HHZ. 2021-06-16T10:33:27.78 3.0 positive manual Pn -3.83 0
IV.EUCT.HNZ. 2021-06-16T10:33:27.45 3.0 negative manual Pn -0.97 0
IV.TERO.HHZ. 2021-06-16T10:33:26.76 3.0 undecidable manual Sg -1.71 0
RD.PGF.BHZ. 2021-06-16T10:33:26.96 3.0 undecidable manual Pn 5.45 0
IV.LPEL.HHZ. 2021-06-16T10:33:23.04 3.0 negative manual Pg 5.59 0
IV.MCI.EHZ. 2021-06-16T10:33:18.29 3.0 positive manual Pn -1.99 0
IV.PP3.EHZ. 2021-06-16T10:33:07.87 3.0 positive manual Pg 1.99 0
IV.PCRO.HNZ. 2021-06-16T10:33:07.55 3.0 undecidable manual Pg 1.86 0
IV.MNTT.EHZ. 2021-06-16T10:33:01.99 3.0 negative manual P -3.98 0
IV.TERO.HHZ. 2021-06-16T10:33:01.61 3.0 undecidable manual Pn -6.53 0
IV.ARRO.EHZ. 2021-06-16T10:32:59.81 3.0 positive manual P -0.98 0
IV.ATFO.HHZ. 2021-06-16T10:32:58.78 3.0 undecidable manual S -0.25 0
IV.CRTC.HHZ. 2021-06-16T10:32:57.03 3.0 undecidable manual P -2.31 0
IV.NARO.HHZ. 2021-06-16T10:32:53.24 3.0 undecidable manual P -0.9 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHE. ML:1.8 0.00018590000000000002 0.92 AML other m 2021-06-16T10:33:40.63
GU.IMI.HHE. ML:1.2 0.0001199 0.62 AML other m 2021-06-16T10:34:07.57
GU.IMI.HHN. ML:1.2 0.0001248 1.92 AML other m 2021-06-16T10:34:07.99
GU.RORO.HHN. ML:1.0 0.0000303 0.08 AML other m 2021-06-16T10:34:15.06
GU.CANO.HHE. ML:1.5 0.00007185 0.84 AML other m 2021-06-16T10:34:19.71
GU.CANO.HHN. ML:1.4 0.00004945 1.5 AML other m 2021-06-16T10:34:20.89
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