Earthquake with magnitude of ML 2.4 on date 18-10-2010 and time 14:06:35 (Italy) in region Costa Ligure Occidentale (Imperia)

A magnitude ML 2.4 earthquake occured in region: Costa Ligure Occidentale (Imperia), on

  • 18-10-2010 12:06:35 (UTC)
  • 18-10-2010 14:06:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6310, 7.7460 at 10 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
Bordighera IM 18 10469 10469
Ospedaletti IM 19 3367 13836
Vallecrosia IM 20 6956 20792

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Sanremo (54807 inhabitants)
86 Km S of Cuneo (56081 inhabitants)
96 Km SW 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 2.4 2010-10-18
12:06:35
43.631 7.746 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1129569
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-10-18 12:06:35 ± 0.26
Latitude 43.6310 ± 0.0117
Longitude 7.7460 ± 0.0099
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1129569

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1316
Semi-minor axis of confidence ellipse (meter) 737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 1526.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 307
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98476
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1129569
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 21:55:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHN. 2010-10-18T12:07:07.06 0.1 undecidable manual Sg 333 109.3128 0.133 100
IV.DOI.HHN. 2010-10-18T12:07:05.85 0.3 undecidable manual Sg 338 104.7174 0.166 75
GU.STV.HHE. 2010-10-18T12:06:57.68 0.3 undecidable manual Sg 334 75.9684 -0.334 77
GU.RORO.HHE. 2010-10-18T12:06:53.71 0.3 undecidable manual Sg 26 59.1963 0.177 82
GU.PZZ.HHN. 2010-10-18T12:06:53.57 0.3 undecidable manual Pg 333 109.3128 0.119 75
IV.DOI.HHN. 2010-10-18T12:06:52.78 0.3 undecidable manual Pg 338 104.7174 0.046 77
GU.STV.HHE. 2010-10-18T12:06:48.23 0.3 undecidable manual Pg 334 75.9684 -0.075 81
IV.IMI.HHN. 2010-10-18T12:06:46.44 0.3 undecidable manual Sg 21 33.1446 -0.144 86
GU.RORO.HHE. 2010-10-18T12:06:45.88 0.3 undecidable manual Pg 26 59.1963 0.16 82
IV.IMI.HHN. 2010-10-18T12:06:41.46 0.3 undecidable manual Pg 21 33.1446 -0.246 85
IV.CMPO.HHZ. 2010-10-18T12:06:37.63 10.0 undecidable manual Pg 0 0 0
IV.RAFF.HHE. 2010-10-18T12:06:34.70 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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