Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 14-01-2021 and time 18:24:35 (UTC) in region 5 km SE Acceglio (CN)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Acceglio (CN), on

  • 14-01-2021 18:24:35 (UTC)
  • 14-01-2021 19:24:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.4370, 7.0220 at 12 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acceglio CN 5 162 162
Canosio CN 5 80 242
Prazzo CN 6 170 412
Marmora CN 6 68 480
Argentera CN 8 83 563
Pietraporzio CN 10 77 640
Stroppo CN 11 103 743
Sambuco CN 12 92 835
Elva CN 13 97 932
Celle di Macra CN 14 100 1032
Macra CN 14 59 1091
Castelmagno CN 16 66 1157
Bellino CN 16 109 1266
Casteldelfino CN 18 157 1423
Vinadio CN 19 644 2067
San Damiano Macra CN 20 430 2497

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Cuneo (56081 inhabitants)
82 Km SW of Moncalieri (57294 inhabitants)
88 Km SW of Torino (890529 inhabitants)
92 Km NW of Sanremo (54807 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 1.6 2021-01-14
18:24:35		 44.4372 7.0223 12 2021-07-12
16:55:12		 Bollettino Sismico Italiano INGV 90290901
Reviewed
Rev100 		ML 1.5 2021-01-14
18:24:35		 44.4415 7.0173 12 2021-01-14
18:31:38		 Sala Sismica INGV-Roma 86252861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-14 18:24:35 ± 0.15
Latitude 44.4372 ± 0.0099
Longitude 7.0223 ± 0.0139
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90290901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 922
Semi-minor axis of confidence ellipse (meter) 902
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22667
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 90290901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-01 00:08:56

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 86252861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-14 18:31:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.CARE.EHZ. 2021-01-14T18:26:22.86 3.0 undecidable manual Sg 16.440001 0
GU.CARD.HHZ. 2021-01-14T18:26:01.46 3.0 undecidable manual Sg 13.02 0
GU.SENI.EHZ. 2021-01-14T18:25:42.07 3.0 undecidable manual P 0
ST.CARE.EHZ. 2021-01-14T18:25:38.95 3.0 positive manual Pg 12.85 0
SI.BOSI.HHZ. 2021-01-14T18:25:36.53 3.0 negative manual Pn 4.98 0
GU.PCP.HHN. 2021-01-14T18:25:10.24 0.6 undecidable manual S 84 121.0899 90 0.17 41
RD.ORIF.BHZ. 2021-01-14T18:25:04.43 0.6 undecidable manual S 301 104.7174 90 -1.27 27
GU.CIRO.HHE. 2021-01-14T18:24:58.00 0.6 undecidable manual P 18 136.1637 90 0.31 38
MN.BNI.HHZ. 2021-01-14T18:24:57.00 0.6 undecidable manual S 338 73.371 91 -0.34 41
GU.TRAV.HHZ. 2021-01-14T18:24:57.55 0.6 undecidable manual P 25 132.0678 90 0.48 37
FR.SAOF.HHE.00 2021-01-14T18:24:55.34 0.6 undecidable manual S 140 65.49 91 0.12 45
GU.GBOS.HHZ. 2021-01-14T18:24:55.92 0.6 undecidable manual S 108 68.376 91 -0.08 44
GU.LSD.HHN. 2021-01-14T18:24:55.52 0.3 undecidable manual P 4 113.7972 90 1.28 42
GU.PCP.HHN. 2021-01-14T18:24:54.00 0.6 undecidable manual P 84 121.0899 90 -1.37 23
RD.ORIF.BHZ. 2021-01-14T18:24:52.94 0.1 undecidable manual P 301 104.7174 90 0.09 84
GU.RRL.HHZ. 2021-01-14T18:24:52.80 0.6 undecidable manual S 341 56.6988 91 -0.09 45
GU.BHB.HHZ. 2021-01-14T18:24:50.24 0.3 undecidable manual S 23 48.1185 91 -0.35 63
MN.BNI.HHZ. 2021-01-14T18:24:48.16 0.6 undecidable manual P 338 73.371 91 0.14 45
GU.GBOS.HHZ. 2021-01-14T18:24:47.64 0.3 undecidable manual P 108 68.376 91 0.39 64
FR.SAOF.HHE.00 2021-01-14T18:24:46.96 0.1 undecidable manual P 140 65.49 91 0.17 90
GU.STV.HHZ. 2021-01-14T18:24:45.56 0.3 undecidable manual S 131 32.1456 92 -0.78 57
GU.RRL.HHZ. 2021-01-14T18:24:45.31 0.3 undecidable manual P 341 56.6988 91 -0.14 67
GU.BHB.HHZ. 2021-01-14T18:24:44.46 0.3 undecidable manual P 23 48.1185 91 0.34 68
GU.STV.HHZ. 2021-01-14T18:24:41.52 0.1 undecidable manual P 131 32.1456 92 -0.14 93
GU.PZZ.HHZ. 2021-01-14T18:24:40.65 0.6 undecidable manual S 44 10.6782 122 -0.08 48
GU.PZZ.HHZ. 2021-01-14T18:24:38.51 0.1 undecidable manual P 44 10.6782 122 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.6 0.00041965 0.32 AML other m 2021-01-14T18:24:41.15
GU.PZZ.HHN. ML:1.7 0.0005565 0.2 AML other m 2021-01-14T18:24:41.21
GU.STV.HHN. ML:1.3 0.000077797155 2.0992 AML other m 2021-01-14T18:24:45.68
GU.STV.HHE. ML:1.5 0.0001285 0.1 AML other m 2021-01-14T18:24:46.40
GU.BHB.HHE. ML:1.4 0.000068507135 0.3968 AML other m 2021-01-14T18:24:50.68
GU.BHB.HHN. ML:1.4 0.00006792417000000001 0.2048 AML other m 2021-01-14T18:24:52.01
GU.RRL.HHE. ML:1.4 0.000058259085000000005 0.4992 AML other m 2021-01-14T18:24:54.32
GU.RRL.HHN. ML:1.6 0.000087713525 5.76 AML other m 2021-01-14T18:24:56.08
GU.GBOS.HHN. ML:1.8 0.000097999265 4.0064 AML other m 2021-01-14T18:24:56.66
GU.GBOS.HHE. ML:1.7 0.00008982981 0.6016 AML other m 2021-01-14T18:24:57.26
MN.BNI.HNE. ML:1.6 0.000056972171000000004 0.9856 AML other m 2021-01-14T18:24:57.94
MN.BNI.HHE. ML:1.5 0.000045225575 5.6832 AML other m 2021-01-14T18:24:58.57
RD.ORIF.BHE. ML:1.7 0.000048626505 3.8784 AML other m 2021-01-14T18:25:04.79
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