Earthquake with magnitude of ML 0.7 on date 25-03-2020 and time 07:54:53 (UTC) in region 1 km E Venasca (CN)

A magnitude ML 0.7 earthquake occured in region: 1 km E Venasca (CN), on

  • 25-03-2020 07:54:53 (UTC)
  • 25-03-2020 08:54:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.56, 7.41 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Venasca CN 1 1437 1437
Rossana CN 2 908 2345
Piasco CN 4 2774 5119
Isasca CN 4 76 5195
Brossasco CN 4 1084 6279
Brondello CN 5 290 6569
Valmala CN 5 52 6621
Costigliole Saluzzo CN 6 3375 9996
Pagno CN 7 585 10581
Busca CN 7 10181 20762
Melle CN 7 292 21054
Verzuolo CN 8 6459 27513
Castellar CN 8 295 27808
Martiniana Po CN 9 734 28542
Villar San Costanzo CN 9 1547 30089
Manta CN 9 3787 33876
Gambasca CN 10 371 34247
Villafalletto CN 10 2925 37172
Roccabruna CN 11 1585 38757
Dronero CN 11 7035 45792
Frassino CN 11 265 46057
Revello CN 11 4262 50319
Rifreddo CN 12 1078 51397
Saluzzo CN 12 16960 68357
Sanfront CN 12 2395 70752
Tarantasca CN 13 2122 72874
Cartignano CN 13 190 73064
Vottignasco CN 13 537 73601
Montemale di Cuneo CN 14 241 73842
Lagnasco CN 14 1453 75295
Envie CN 14 2074 77369
San Damiano Macra CN 14 430 77799
Centallo CN 15 6954 84753
Caraglio CN 16 6836 91589
Valgrana CN 17 786 92375
Sampeyre CN 18 1022 93397
Paesana CN 18 2784 96181
Monterosso Grana CN 18 505 96686
Pradleves CN 18 250 96936
Scarnafigi CN 19 2162 99098
Bernezzo CN 19 4104 103202
Macra CN 19 59 103261
Cervasca CN 20 5013 108274
Barge CN 20 7774 116048

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Cuneo (56081 inhabitants)
54 Km SW of Moncalieri (57294 inhabitants)
61 Km SW of Torino (890529 inhabitants)
73 Km SW of Asti (76202 inhabitants)
87 Km NW of Sanremo (54807 inhabitants)
89 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
Bulletin
Rev1000
ML 0.7 2020-03-25
07:54:53
44.56 7.41 9 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80473831
Reviewed
Rev100
ML 1.0 2020-03-25
07:54:53
44.56 7.42 1 2020-03-25
08:03:21
Sala Sismica INGV-Roma 77554341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 07:54:53 ± 0.27
Latitude 44.56 ± 0.01
Longitude 7.41 ± 0.02
Depth (km) 9 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80473831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1739
Semi-minor axis of confidence ellipse (meter) 414
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 1740
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.59
Epicentral distance of station closest to the epicenter (degree) 0.21674
Epicentral distance of station farthest from the epicenter (degree) 0.57107
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 77554341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 08:03:21

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 80473831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 16:48:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RRL.HHE. 2020-03-25T07:55:11.51 0.3 undecidable manual S 310 0.5711 50 -1.46 4
GU.GBOS.HHZ. 2020-03-25T07:55:09.46 0.3 undecidable manual S 136 0.4398 50 0.38 33
GU.ENR.HHZ. 2020-03-25T07:55:05.21 0.3 undecidable manual S 179 0.331 50 -0.65 45
GU.RRL.HHE. 2020-03-25T07:55:04.65 0.1 undecidable manual P 310 0.5711 50 0.06 59
GU.STV.HHZ. 2020-03-25T07:55:04.58 0.3 undecidable manual S 191 0.3184 50 -0.9 46
GU.BHB.HHZ. 2020-03-25T07:55:03.55 0.3 undecidable manual S 339 0.2968 50 -1.29 44
GU.GBOS.HHZ. 2020-03-25T07:55:03.44 0.1 undecidable manual P 136 0.4398 50 1.09 92
GU.PZZ.HHZ. 2020-03-25T07:55:01.46 0.3 undecidable manual S 256 0.2167 111 -0.61 80
GU.STV.HHZ. 2020-03-25T07:55:00.48 0.1 undecidable manual P 191 0.3184 50 0.21 97
GU.ENR.HHZ. 2020-03-25T07:55:00.85 0.1 undecidable manual P 179 0.331 50 0.36 96
GU.BHB.HHZ. 2020-03-25T07:54:59.93 0.1 undecidable manual P 339 0.2968 50 0.03 97
GU.PZZ.HHZ. 2020-03-25T07:54:58.65 0.1 undecidable manual P 256 0.2167 111 0.35 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1 6.9719425E-5 0.16 AML other m 2020-03-25T07:55:01.62
GU.PZZ.HHE. ML:0.9 5.1917305E-5 0.1408 AML other m 2020-03-25T07:55:01.68
GU.BHB.HHE. ML:0.7 2.0219745E-5 0.0832 AML other m 2020-03-25T07:55:03.85
GU.BHB.HHN. ML:0.5 1.3865185E-5 0.256 AML other m 2020-03-25T07:55:04.30
GU.STV.HHN. ML:0.4 7.6213242E-6 0.096 AML other m 2020-03-25T07:55:04.84
GU.STV.HHE. ML:0.4 1.1562578E-5 0.1216 AML other m 2020-03-25T07:55:04.92
GU.ENR.HHE. ML:1.3 8.6328835E-5 0.1408 AML other m 2020-03-25T07:55:05.45
GU.ENR.HHN. ML:0.7 2.1969405E-5 0.064 AML other m 2020-03-25T07:55:05.87
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download