Earthquake with magnitude of ML 0.8 on date 11-05-2022 and time 14:27:19 (Italy) in region 4 km NE Sampeyre (CN)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Sampeyre (CN), on

  • 11-05-2022 12:27:19 (UTC)
  • 11-05-2022 14:27:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.6170, 7.2120 at 13 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
Sampeyre CN 5 1022 1022
Oncino CN 7 76 1098
Frassino CN 7 265 1363
Ostana CN 9 83 1446
Paesana CN 9 2784 4230
Sanfront CN 9 2395 6625
Crissolo CN 10 168 6793
Melle CN 11 292 7085
Gambasca CN 11 371 7456
Rifreddo CN 12 1078 8534
Casteldelfino CN 12 157 8691
Martiniana Po CN 12 734 9425
Elva CN 13 97 9522
Brossasco CN 13 1084 10606
Macra CN 13 59 10665
Valmala CN 13 52 10717
Isasca CN 14 76 10793
Stroppo CN 14 103 10896
Pontechianale CN 14 179 11075
Envie CN 15 2074 13149
San Damiano Macra CN 15 430 13579
Revello CN 15 4262 17841
Barge CN 15 7774 25615
Celle di Macra CN 15 100 25715
Brondello CN 16 290 26005
Bellino CN 16 109 26114
Venasca CN 16 1437 27551
Cartignano CN 17 190 27741
Pagno CN 17 585 28326
Castellar CN 18 295 28621
Bagnolo Piemonte CN 18 6024 34645
Roccabruna CN 19 1585 36230
Prazzo CN 19 170 36400
Rossana CN 19 908 37308
RorĂ  TO 20 257 37565
Marmora CN 20 68 37633
Villar San Costanzo CN 20 1547 39180

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Cuneo (56081 inhabitants)
57 Km SW of Moncalieri (57294 inhabitants)
63 Km SW of Torino (890529 inhabitants)
85 Km W of Asti (76202 inhabitants)
100 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
Reviewed
Rev100
ML 0.8 2022-05-11
12:27:19
44.6173 7.2118 13 2022-05-11
12:35:03
Sala Sismica INGV-Roma 104488401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-11 12:27:19 ± 0.3
Latitude 44.6173 ± 0.0135
Longitude 7.2118 ± 0.0316
Depth (km) 13 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104488401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2495
Semi-minor axis of confidence ellipse (meter) 865
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 2500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 104488401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-11 12:35:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2022-05-11T12:27:34.66 0.3 undecidable manual S 316 47.3193 93 -0.38 70
GU.ENR.HHZ. 2022-05-11T12:27:34.03 0.6 undecidable manual S 159 46.0206 93 -0.67 44
GU.RRL.HHZ. 2022-05-11T12:27:29.15 0.3 negative manual P 316 47.3193 93 0.49 68
GU.ENR.HHZ. 2022-05-11T12:27:28.52 0.3 undecidable manual P 159 46.0206 93 0.06 74
GU.BHB.HHZ. 2022-05-11T12:27:28.43 0.6 undecidable manual S 9 24.5532 99 -0.55 45
GU.PZZ.HHZ. 2022-05-11T12:27:26.18 0.3 undecidable manual S 212 14.4744 115 -0.22 77
GU.BHB.HHZ. 2022-05-11T12:27:25.44 0.3 undecidable manual P 9 24.5532 99 0.28 75
GU.PZZ.HHZ. 2022-05-11T12:27:23.98 0.1 undecidable manual P 212 14.4744 115 0.31 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:0.8 0.00006145 0.16 AML other m 2022-05-11T12:27:26.72
GU.PZZ.HHN. ML:0.8 0.0000478 0.96 AML other m 2022-05-11T12:27:27.79
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