Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 30-06-2019 and time 11:04:38 (Italy) in region 1 km NW Alto (CN)

A magnitude ML 1.0 earthquake occured in region: 1 km NW Alto (CN), on

  • 30-06-2019 09:04:38 (UTC)
  • 30-06-2019 11:04:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1190, 7.9990 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Alto CN 1 128 128
Nasino SV 2 207 335
Caprauna CN 3 104 439
Aquila d'Arroscia IM 4 166 605
Castelbianco SV 6 330 935
Ranzo IM 7 557 1492
Borghetto d'Arroscia IM 7 456 1948
Onzo SV 7 219 2167
Armo IM 8 111 2278
Ormea CN 8 1617 3895
Vendone SV 8 388 4283
Vessalico IM 9 282 4565
Erli SV 9 245 4810
Garessio CN 9 3244 8054
Zuccarello SV 10 309 8363
Castelvecchio di Rocca Barbena SV 10 145 8508
Arnasco SV 10 645 9153
Pieve di Teco IM 10 1338 10491
Ortovero SV 10 1586 12077
Casanova Lerrone SV 11 749 12826
Pornassio IM 11 685 13511
Garlenda SV 12 1254 14765
Cisano sul Neva SV 12 2085 16850
Cesio IM 12 283 17133
Testico SV 13 196 17329
Bardineto SV 13 756 18085
Stellanello SV 14 808 18893
Cosio d'Arroscia IM 14 221 19114
Balestrino SV 14 595 19709
Villanova d'Albenga SV 14 2657 22366
Caravonica IM 14 282 22648
Priola CN 14 701 23349
Rezzo IM 15 366 23715
Montegrosso Pian Latte IM 16 118 23833
Mendatica IM 16 185 24018
Calizzano SV 16 1475 25493
Chiusanico IM 16 607 26100
Aurigo IM 16 347 26447
Borgomaro IM 16 865 27312
Toirano SV 17 2644 29956
Chiusavecchia IM 17 577 30533
Lucinasco IM 17 272 30805
Boissano SV 18 2492 33297
Villa Faraldi IM 18 444 33741
Alassio SV 19 10934 44675
Albenga SV 19 24213 68888
Pamparato CN 19 302 69190
Ceriale SV 19 5561 74751
Viola CN 19 391 75142
Diano Arentino IM 19 722 75864
Borghetto Santo Spirito SV 20 4948 80812
Pontedassio IM 20 2323 83135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Sanremo (54807 inhabitants)
44 Km W of Savona (61345 inhabitants)
47 Km SE of Cuneo (56081 inhabitants)
81 Km W of Genova (586655 inhabitants)
88 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 1.0 2019-06-30
09:04:38		 44.1193 7.9987 9 2019-06-30
09:08:32		 Sala Sismica INGV-Roma 70061941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-30 09:04:38 ± 0.18
Latitude 44.1193 ± 0.0090
Longitude 7.9987 ± 0.0113
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70061941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 927
Semi-minor axis of confidence ellipse (meter) 575
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 70061941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-30 09:08:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IMI.HHZ. 2019-06-30T09:04:47.64 0.6 undecidable manual S 200 24.6531 110 -0.37 47
IV.QLNO.HHZ. 2019-06-30T09:04:46.05 0.1 positive manual P 50 35.742 50 0 100
GU.CANO.HHZ. 2019-06-30T09:04:46.32 0.6 undecidable manual S 63 21.3675 113 -0.63 44
GU.GBOS.HHZ. 2019-06-30T09:04:45.87 0.6 undecidable manual S 317 18.5703 116 -0.19 50
IV.IMI.HHZ. 2019-06-30T09:04:44.48 1.0 undecidable manual P 200 24.6531 110 0.33 24
GU.GBOS.HHZ. 2019-06-30T09:04:43.41 1.0 undecidable manual P 317 18.5703 116 0.38 24
GU.CANO.HHZ. 2019-06-30T09:04:43.75 0.3 undecidable manual P 63 21.3675 113 0.21 74
GU.RORO.HHZ. 2019-06-30T09:04:42.77 0.6 undecidable manual S 99 5.3946 149 0.18 51
GU.RORO.HHZ. 2019-06-30T09:04:41.55 1.0 undecidable manual P 99 5.3946 149 0.53 23
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RORO.HHN. ML:1.1 0.00023400000000000002 0.08 AML other m 2019-06-30T09:04:42.87
GU.RORO.HHE. ML:1.0 0.00016 0.12 AML other m 2019-06-30T09:04:42.91
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