Earthquake with magnitude of ML 2.4 on date 23-10-2010 and time 22:45:52 (Italy) in region 4 km NW Frassino (CN)

A magnitude ML 2.4 earthquake occured in region: 4 km NW Frassino (CN), on

  • 23-10-2010 20:45:52 (UTC)
  • 23-10-2010 22:45:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5960, 7.2470 at 13 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
Frassino CN 4 265 265
Sampeyre CN 5 1022 1287
Melle CN 7 292 1579
Sanfront CN 8 2395 3974
Gambasca CN 9 371 4345
Brossasco CN 10 1084 5429
Valmala CN 10 52 5481
Martiniana Po CN 10 734 6215
Oncino CN 10 76 6291
Rifreddo CN 10 1078 7369
Paesana CN 10 2784 10153
Isasca CN 11 76 10229
Ostana CN 12 83 10312
Macra CN 12 59 10371
San Damiano Macra CN 12 430 10801
Venasca CN 12 1437 12238
Brondello CN 13 290 12528
Revello CN 13 4262 16790
Cartignano CN 14 190 16980
Crissolo CN 14 168 17148
Celle di Macra CN 14 100 17248
Elva CN 14 97 17345
Stroppo CN 14 103 17448
Envie CN 14 2074 19522
Casteldelfino CN 14 157 19679
Pagno CN 15 585 20264
Roccabruna CN 15 1585 21849
Castellar CN 15 295 22144
Barge CN 16 7774 29918
Rossana CN 16 908 30826
Villar San Costanzo CN 16 1547 32373
Dronero CN 17 7035 39408
Piasco CN 17 2774 42182
Pontechianale CN 18 179 42361
Bellino CN 18 109 42470
Verzuolo CN 19 6459 48929
Manta CN 19 3787 52716
Bagnolo Piemonte CN 19 6024 58740
Costigliole Saluzzo CN 19 3375 62115
Marmora CN 19 68 62183
Prazzo CN 20 170 62353
Pradleves CN 20 250 62603

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Cuneo (56081 inhabitants)
57 Km SW of Moncalieri (57294 inhabitants)
63 Km SW of Torino (890529 inhabitants)
83 Km W of Asti (76202 inhabitants)
96 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
Md 2.7
ML 2.4
2010-10-23
20:45:52
44.596 7.247 13 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1135239
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-10-23 20:45:52 ± 0.1
Latitude 44.5960 ± 0.0063
Longitude 7.2470 ± 0.0101
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1135239

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 841
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 1063.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.17991
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1135239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:02:36

Md:2.7

Field Value
Value 2.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1135239
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 22:02:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BOB.HHZ. 2010-10-23T20:46:44.25 10.0 undecidable manual Sg 0 0 0
CH.DIX.HHE. 2010-10-23T20:46:29.54 10.0 undecidable manual Pg 0 0 0
GU.CIRO.HHE. 2010-10-23T20:46:21.22 10.0 undecidable manual Sg 0 0 0
GU.PCP.HHZ. 2010-10-23T20:46:21.99 0.6 undecidable manual Sg 93 102.8193 -0.148 41
GU.FINB.HHN. 2010-10-23T20:46:20.11 0.3 undecidable manual Sg 118 97.3248 -0.566 57
GU.LSD.HHN. 2010-10-23T20:46:20.15 0.3 undecidable manual Sg 355 96.126 -0.228 62
IV.IMI.HHN. 2010-10-23T20:46:18.88 0.6 undecidable manual Sg 146 91.7415 -0.321 41
IV.QLNO.HHE. 2010-10-23T20:46:18.79 0.3 undecidable manual Sg 109 92.1411 -0.5 59
IV.BOB.HHZ. 2010-10-23T20:46:16.82 10.0 undecidable manual Pg 0 0 0
GU.CIRO.HHE. 2010-10-23T20:46:16.22 10.0 undecidable manual Pg 0 0 0
GU.TRAV.HHN. 2010-10-23T20:46:16.72 10.0 undecidable manual Pg 0 0 0
GU.RORO.HHE. 2010-10-23T20:46:16.60 0.3 undecidable manual Sg 129 84.249 -0.606 58
IV.MRGE.HHZ. 2010-10-23T20:46:14.23 0.3 undecidable manual Pg 354 130.9689 0.376 57
MN.BNI.HHN. 2010-10-23T20:46:12.22 0.6 undecidable manual Sg 319 67.6767 -0.556 40
GU.RSP.HHN. 2010-10-23T20:46:11.10 0.3 undecidable manual Sg 1 61.2942 0.043 70
GU.PCP.HHZ. 2010-10-23T20:46:10.21 0.3 undecidable manual Pg 93 102.8193 0.707 54
GU.FINB.HHN. 2010-10-23T20:46:09.18 0.1 undecidable manual Pg 118 97.3248 0.521 78
GU.LSD.HHN. 2010-10-23T20:46:09.33 0.1 undecidable manual Pg 355 96.126 0.842 69
IV.QLNO.HHE. 2010-10-23T20:46:08.58 0.3 undecidable manual Pg 109 92.1411 0.72 55
GU.RRL.HHN. 2010-10-23T20:46:07.57 0.3 undecidable manual Sg 315 50.9157 -0.72 58
IV.IMI.HHN. 2010-10-23T20:46:07.89 0.1 undecidable manual Pg 146 91.7415 0.082 86
GU.RORO.HHE. 2010-10-23T20:46:06.88 0.3 undecidable manual Pg 129 84.249 0.226 64
IV.MONC.HHE. 2010-10-23T20:46:05.92 10.0 undecidable manual Pg 0 0 0
MN.BNI.HHN. 2010-10-23T20:46:04.36 0.3 undecidable manual Pg 319 67.6767 0.262 66
GU.STV.HHZ. 2010-10-23T20:46:04.66 0.3 undecidable manual Sg 171 39.4272 -0.582 65
GU.RSP.HHN. 2010-10-23T20:46:02.78 0.3 undecidable manual Pg 1 61.2942 -0.325 65
GU.BHB.HHN. 2010-10-23T20:46:01.18 0.3 undecidable manual Sg 3 26.5512 -0.644 62
GU.RRL.HHN. 2010-10-23T20:46:01.70 0.1 undecidable manual Pg 315 50.9157 0.195 92
IV.MMN.HHE. 2010-10-23T20:46:00.25 10.0 undecidable manual Pg 0 0 0
GU.STV.HHZ. 2010-10-23T20:45:59.85 0.1 undecidable manual Pg 171 39.4272 0.106 95
GU.PZZ.HHZ. 2010-10-23T20:45:58.30 0.1 undecidable manual Sg 226 14.3745 -0.398 95
GU.BHB.HHN. 2010-10-23T20:45:57.78 0.1 undecidable manual Pg 3 26.5512 0.007 99
IV.DOI.HHZ. 2010-10-23T20:45:57.78 0.1 undecidable manual Sg 180 10.1787 -0.001 100
GU.PZZ.HHZ. 2010-10-23T20:45:56.25 0.1 undecidable manual Pg 226 14.3745 0.282 95
IV.DOI.HHZ. 2010-10-23T20:45:55.92 0.1 undecidable manual Pg 180 10.1787 0.481 91
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
Waveforms Seismic signals in miniseed + resp format Download