Earthquake with magnitude of ML 1.2 on date 15-04-2024 and time 22:02:55 (Italy) in region 4 km SW Monterosso Grana (CN)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Monterosso Grana (CN), on

  • 15-04-2024 20:02:55 (UTC)
  • 15-04-2024 22:02:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.3780, 7.2950 at 7 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
Monterosso Grana CN 4 505 505
Pradleves CN 5 250 755
Demonte CN 7 2003 2758
Castelmagno CN 7 66 2824
Valloriate CN 8 109 2933
Valgrana CN 8 786 3719
Rittana CN 9 109 3828
Aisone CN 9 248 4076
Montemale di Cuneo CN 9 241 4317
Moiola CN 10 234 4551
Gaiola CN 10 582 5133
Cartignano CN 11 190 5323
Bernezzo CN 11 4104 9427
Dronero CN 12 7035 16462
Caraglio CN 12 6836 23298
Roccabruna CN 12 1585 24883
Vinadio CN 12 644 25527
Roccasparvera CN 12 741 26268
San Damiano Macra CN 13 430 26698
Villar San Costanzo CN 14 1547 28245
Valdieri CN 14 935 29180
Cervasca CN 14 5013 34193
Vignolo CN 14 2600 36793
Celle di Macra CN 15 100 36893
Borgo San Dalmazzo CN 16 12468 49361
Roccavione CN 16 2761 52122
Macra CN 16 59 52181
Entracque CN 17 774 52955
Roaschia CN 18 107 53062
Sambuco CN 18 92 53154
Marmora CN 18 68 53222
Canosio CN 19 80 53302
Valmala CN 19 52 53354
Robilante CN 20 2306 55660
Stroppo CN 20 103 55763

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Cuneo (56081 inhabitants)
73 Km NW of Sanremo (54807 inhabitants)
76 Km SW of Moncalieri (57294 inhabitants)
83 Km SW of Torino (890529 inhabitants)
93 Km SW of Asti (76202 inhabitants)
95 Km W 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 2024-04-15
20:02:55
44.3775 7.2947 7 2024-04-15
20:19:40
Sala Sismica INGV-Roma 126768591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-15 20:02:55 ± 0.09
Latitude 44.3775 ± 0.0108
Longitude 7.2947 ± 0.0226
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126768591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2110
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 2110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69518
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 126768591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-15 20:19:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.IMI.HHE. 2024-04-15T20:03:16.80 1.0 undecidable manual S 137 70.374 50 -0.47 21
GU.PCP.HHZ. 2024-04-15T20:03:13.56 3.0 positive manual P 0.51 0
GU.CANO.HHZ. 2024-04-15T20:03:09.34 0.1 undecidable manual P 104 77.1672 50 0.4 84
GU.IMI.HHE. 2024-04-15T20:03:08.03 0.1 undecidable manual P 137 70.374 50 0.13 90
GU.RORO.HHZ. 2024-04-15T20:03:07.73 0.1 undecidable manual P 115 68.0763 50 0.19 89
GU.GBOS.HHZ. 2024-04-15T20:03:04.00 0.1 undecidable manual P 109 45.8208 50 -0.12 94
GU.BHB.HHZ. 2024-04-15T20:03:04.43 0.1 undecidable manual P 357 50.9157 50 -0.46 87
FR.SAOF.HHE.00 2024-04-15T20:03:04.40 0.1 undecidable manual P 155 48.0186 50 -0.06 95
GU.PZZ.HHZ. 2024-04-15T20:03:02.46 0.3 undecidable manual S 315 20.1687 109 -0.04 75
GU.ENR.HHE. 2024-04-15T20:03:01.80 0.3 undecidable manual S 149 19.1697 110 -0.38 70
GU.STV.HHZ. 2024-04-15T20:03:00.66 0.3 undecidable manual S 170 14.874 115 -0.17 74
GU.PZZ.HHZ. 2024-04-15T20:02:59.53 0.1 undecidable manual P 315 20.1687 109 0.15 98
GU.ENR.HHE. 2024-04-15T20:02:59.24 0.1 undecidable manual P 149 19.1697 110 0.05 100
GU.STV.HHZ. 2024-04-15T20:02:58.72 0.1 undecidable manual P 170 14.874 115 0.31 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHN. ML:0.7 0.00005545 0.12 AML other m 2024-04-15T20:03:00.90
GU.STV.HHE. ML:0.8 0.000058700000000000004 0.44 AML other m 2024-04-15T20:03:00.90
GU.PZZ.HHN. ML:1.5 0.000251 1.08 AML other m 2024-04-15T20:03:02.69
GU.PZZ.HHE. ML:1.5 0.000224 1.42 AML other m 2024-04-15T20:03:02.71
GU.BHB.HHE. ML:1.2 0.00004245 0.12 AML other m 2024-04-15T20:03:10.63
GU.BHB.HHN. ML:1.2 0.000039699999999999996 0.56 AML other m 2024-04-15T20:03:11.50
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