Earthquake with magnitude of ML 1.1 on date 25-01-2020 and time 23:22:14 (Italy) in region 2 km W Valmala (CN)

A magnitude ML 1.1 earthquake occured in region: 2 km W Valmala (CN), on

  • 25-01-2020 22:22:14 (UTC)
  • 25-01-2020 23:22:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.54, 7.32 at 7 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
Valmala CN 2 52 52
Melle CN 3 292 344
Brossasco CN 5 1084 1428
Frassino CN 5 265 1693
Venasca CN 7 1437 3130
Roccabruna CN 7 1585 4715
Cartignano CN 7 190 4905
Isasca CN 7 76 4981
San Damiano Macra CN 7 430 5411
Villar San Costanzo CN 7 1547 6958
Dronero CN 8 7035 13993
Rossana CN 9 908 14901
Brondello CN 10 290 15191
Gambasca CN 11 371 15562
Martiniana Po CN 11 734 16296
Piasco CN 11 2774 19070
Sampeyre CN 12 1022 20092
Montemale di Cuneo CN 12 241 20333
Macra CN 12 59 20392
Busca CN 12 10181 30573
Sanfront CN 12 2395 32968
Pagno CN 12 585 33553
Celle di Macra CN 13 100 33653
Rifreddo CN 13 1078 34731
Castellar CN 13 295 35026
Costigliole Saluzzo CN 13 3375 38401
Pradleves CN 13 250 38651
Monterosso Grana CN 14 505 39156
Revello CN 14 4262 43418
Verzuolo CN 15 6459 49877
Valgrana CN 15 786 50663
Manta CN 16 3787 54450
Caraglio CN 16 6836 61286
Stroppo CN 16 103 61389
Castelmagno CN 17 66 61455
Envie CN 17 2074 63529
Paesana CN 17 2784 66313
Villafalletto CN 17 2925 69238
Saluzzo CN 18 16960 86198
Tarantasca CN 18 2122 88320
Elva CN 19 97 88417
Bernezzo CN 19 4104 92521
Oncino CN 19 76 92597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Cuneo (56081 inhabitants)
59 Km SW of Moncalieri (57294 inhabitants)
66 Km SW of Torino (890529 inhabitants)
81 Km W of Asti (76202 inhabitants)
88 Km NW of Sanremo (54807 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
Bulletin
Rev1000
ML 1.1 2020-01-25
22:22:14
44.54 7.32 7 2020-07-18
21:08:22
Bollettino Sismico Italiano INGV 76863511
Reviewed
Rev100
ML 1.1 2020-01-25
22:22:14
44.54 7.36 2 2020-01-25
22:29:11
Sala Sismica INGV-Roma 75854471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-25 22:22:14 ± 0.19
Latitude 44.54 ± 0.01
Longitude 7.32 ± 0.02
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76863511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1476
Semi-minor axis of confidence ellipse (meter) 913
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1480
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.15109
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 76863511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-27 10:30:47

ML:1.1

Field Value
Value 1.1
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 75854471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-25 22:29:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GU.RRL.HHE. 2020-01-25T22:22:33.05 0.6 undecidable manual S 316 0.5387 50 -1.14 33
GU.GBOS.HHE. 2020-01-25T22:22:32.08 0.6 undecidable manual S 128 0.4721 50 -0.12 48
GU.RORO.HHE. 2020-01-25T22:22:28.99 0.3 undecidable manual P 128 0.6799 50 0.56 62
GU.BHB.HHZ. 2020-01-25T22:22:26.05 0.3 undecidable manual S 352 0.3013 102 -0.71 64
GU.ENR.HHZ. 2020-01-25T22:22:26.53 0.3 undecidable manual S 167 0.3175 101 -0.82 60
GU.STV.HHZ. 2020-01-25T22:22:25.59 0.3 undecidable manual S 180 0.2905 102 -0.76 62
GU.RRL.HHE. 2020-01-25T22:22:25.93 0.1 undecidable manual P 316 0.5387 50 -0.1 96
GU.GBOS.HHE. 2020-01-25T22:22:25.42 0.3 undecidable manual P 128 0.4721 50 0.54 66
GU.ENR.HHZ. 2020-01-25T22:22:22.18 0.1 undecidable manual P 167 0.3175 101 0.1 100
GU.BHB.HHZ. 2020-01-25T22:22:22.02 0.1 undecidable manual P 352 0.3013 102 0.29 96
GU.PZZ.HHZ. 2020-01-25T22:22:21.33 0.3 undecidable manual S 259 0.1511 113 0.13 77
GU.STV.HHZ. 2020-01-25T22:22:21.74 0.1 undecidable manual P 180 0.2905 102 0.23 98
GU.PZZ.HHZ. 2020-01-25T22:22:19.17 0.1 undecidable manual P 259 0.1511 113 0.64 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHN. ML:1.1 0.000127 0.34 AML other m 2020-01-25T22:22:21.76
GU.PZZ.HHE. ML:1.1 0.0001129 1.8 AML other m 2020-01-25T22:22:22.96
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