Earthquake with magnitude of ML 2.7 on date 12-11-2010 and time 05:46:03 (Italy) in region 5 km NE Sampeyre (CN)

A magnitude ML 2.7 earthquake occured in region: 5 km NE Sampeyre (CN), on

  • 12-11-2010 04:46:03 (UTC)
  • 12-11-2010 05:46:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.6120, 7.2330 at 15 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
Sampeyre CN 5 1022 1022
Frassino CN 6 265 1287
Sanfront CN 8 2395 3682
Oncino CN 8 76 3758
Melle CN 9 292 4050
Paesana CN 9 2784 6834
Gambasca CN 9 371 7205
Ostana CN 10 83 7288
Rifreddo CN 10 1078 8366
Martiniana Po CN 11 734 9100
Brossasco CN 11 1084 10184
Crissolo CN 11 168 10352
Valmala CN 12 52 10404
Isasca CN 12 76 10480
Macra CN 13 59 10539
Casteldelfino CN 13 157 10696
Revello CN 13 4262 14958
Envie CN 14 2074 17032
Brondello CN 14 290 17322
San Damiano Macra CN 14 430 17752
Elva CN 14 97 17849
Venasca CN 14 1437 19286
Stroppo CN 14 103 19389
Barge CN 15 7774 27163
Celle di Macra CN 15 100 27263
Cartignano CN 16 190 27453
Pagno CN 16 585 28038
Castellar CN 16 295 28333
Pontechianale CN 16 179 28512
Roccabruna CN 17 1585 30097
Bellino CN 17 109 30206
Rossana CN 18 908 31114
Bagnolo Piemonte CN 18 6024 37138
Piasco CN 19 2774 39912
Villar San Costanzo CN 19 1547 41459
Dronero CN 19 7035 48494
Verzuolo CN 20 6459 54953
Prazzo CN 20 170 55123

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Cuneo (56081 inhabitants)
56 Km SW of Moncalieri (57294 inhabitants)
62 Km SW of Torino (890529 inhabitants)
83 Km W of Asti (76202 inhabitants)
98 Km NW of Sanremo (54807 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.4
ML 2.7
2010-11-12
04:46:03
44.612 7.233 15 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1143079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-11-12 04:46:03 ± 0.17
Latitude 44.6120 ± 0.0081
Longitude 7.2330 ± 0.0126
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1143079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 657
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) 1345.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.16372
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.7

Field Value
Value 2.7
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 1143079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:12:48

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1143079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:12:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MESG.HHE. 2010-11-12T04:46:53.02 10.0 undecidable manual Sg 0 0 0
IV.MESG.HHE. 2010-11-12T04:46:48.83 10.0 undecidable manual Pg 0 0 0
IV.MAGA.HHN. 2010-11-12T04:46:44.41 10.0 undecidable manual Pg 0 0 0
IV.VARE.HHE. 2010-11-12T04:46:41.34 10.0 undecidable manual Pg 0 0 0
IV.RMP.HHZ. 2010-11-12T04:46:37.95 10.0 undecidable manual Pg 0 0 0
GU.PCP.HHE. 2010-11-12T04:46:34.01 0.1 undecidable manual Sg 94 103.9182 0.721 73
GU.FINB.HHZ. 2010-11-12T04:46:31.28 0.1 undecidable manual Sg 119 99.0231 -0.704 73
IV.QLNO.HHE. 2010-11-12T04:46:30.06 0.1 undecidable manual Sg 110 93.6396 -0.488 81
GU.LSD.HHN. 2010-11-12T04:46:30.23 0.1 undecidable manual Sg 355 94.3389 -0.501 82
IV.IMI.HHZ. 2010-11-12T04:46:29.80 0.1 undecidable manual Sg 146 93.8394 -0.782 70
GU.RORO.HHN. 2010-11-12T04:46:27.71 0.1 undecidable manual Sg 130 86.247 -0.851 70
IV.MRGE.HHN. 2010-11-12T04:46:24.97 0.1 undecidable manual Pg 354 129.1707 0.574 73
MN.BNI.HHE. 2010-11-12T04:46:22.47 0.1 undecidable manual Sg 318 65.49 -0.577 83
GU.PCP.HHE. 2010-11-12T04:46:21.14 0.1 positive manual Pg 94 103.9182 0.626 76
GU.CIRO.HHZ. 2010-11-12T04:46:21.26 0.1 undecidable manual Pg 13 112.8981 -0.636 74
GU.TRAV.HHZ. 2010-11-12T04:46:20.69 0.1 undecidable manual Pg 22 107.7144 -0.408 81
GU.FINB.HHZ. 2010-11-12T04:46:20.28 0.1 undecidable manual Pg 119 99.0231 0.519 80
IV.IMI.HHZ. 2010-11-12T04:46:19.08 0.1 undecidable manual Pg 146 93.8394 0.128 89
GU.LSD.HHN. 2010-11-12T04:46:19.08 0.3 undecidable manual Pg 355 94.3389 0.042 67
IV.QLNO.HHE. 2010-11-12T04:46:19.48 0.1 undecidable manual Pg 110 93.6396 0.548 80
GU.RRL.HHZ. 2010-11-12T04:46:18.21 0.1 undecidable manual Sg 315 48.9177 -0.414 90
GU.RORO.HHN. 2010-11-12T04:46:18.03 0.1 undecidable manual Pg 130 86.247 0.245 88
IV.MONC.HHZ. 2010-11-12T04:46:17.11 0.1 undecidable manual Pg 47 74.8695 1.07 66
GU.STV.HHZ. 2010-11-12T04:46:15.88 0.1 undecidable manual Sg 170 41.3253 -0.729 79
MN.BNI.HHE. 2010-11-12T04:46:15.21 0.1 undecidable manual Pg 318 65.49 0.609 82
GU.RSP.HHZ. 2010-11-12T04:46:13.49 0.1 undecidable manual Pg 2 59.5959 -0.195 93
GU.RRL.HHZ. 2010-11-12T04:46:12.66 0.1 positive manual Pg 315 48.9177 0.613 85
GU.BHB.HHN. 2010-11-12T04:46:11.66 0.1 undecidable manual Sg 5 24.8529 -0.664 88
GU.STV.HHZ. 2010-11-12T04:46:11.13 0.1 positive manual Pg 170 41.3253 0.246 96
IV.DOI.HHZ. 2010-11-12T04:46:09.15 0.1 undecidable manual Sg 175 11.9769 -0.134 100
GU.PZZ.HHN. 2010-11-12T04:46:09.70 0.1 undecidable manual Sg 219 14.874 -0.195 98
GU.BHB.HHN. 2010-11-12T04:46:08.70 0.1 undecidable manual Pg 5 24.8529 0.289 96
IV.DOI.HHZ. 2010-11-12T04:46:07.17 0.1 undecidable manual Pg 175 11.9769 0.515 95
GU.PZZ.HHN. 2010-11-12T04:46:07.50 0.1 undecidable manual Pg 219 14.874 0.493 95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download