Earthquake with magnitude of Md 2.4 on date 28-01-2016 and time 11:26:59 (UTC) in region Costa Sarda nord orientale (Olbia)

A magnitude Md 2.4 earthquake occured in region: Costa Sarda nord orientale (Olbia), on

  • 28-01-2016 11:26:59 (UTC)
  • 28-01-2016 12:26:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.9970, 9.9200 at 10 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Olbia (59368 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
Md 2.4 2016-01-28
11:26:59
40.9973 9.9198 10 2016-02-03
10:52:19
Sala Sismica INGV-Roma 23346171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-01-28 11:26:59 ± 0.37
Latitude 40.9973 ± 0.0099
Longitude 9.9198 ± 0.0548
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 23346171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4590
Semi-minor axis of confidence ellipse (meter) 1080
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 4590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 178
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.71946
Epicentral distance of station farthest from the epicenter (degree) 1.92545
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 2
Type of magnitude Md
Reference to an origin 23346171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-02-03 10:52:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
FR.CORF.HHE. 2016-01-28T11:27:43.91 0.6 undecidable manual S 336 157.62 50 -0.03 44
FR.AJAC.HHE. 2016-01-28T11:27:38.64 1.0 undecidable manual S 317 141.0477 50 -0.87 18
FR.SMPL.HHE. 2016-01-28T11:27:38.09 0.6 undecidable manual S 337 132.5673 50 0.85 37
IV.CASP.HHE. 2016-01-28T11:27:32.60 1.0 undecidable manual P 21 213.7194 38 0.06 16
IV.CELB.HHE. 2016-01-28T11:27:29.72 1.0 undecidable manual P 7 195.5598 38 -0.56 16
FR.CORF.HHE. 2016-01-28T11:27:25.32 0.3 undecidable manual P 336 157.62 50 0.31 63
IV.DGI.HHE. 2016-01-28T11:27:23.88 0.6 undecidable manual S 199 79.8645 50 0.72 44
FR.AJAC.HHE. 2016-01-28T11:27:21.69 0.6 undecidable manual P 317 141.0477 50 -0.76 38
FR.SMPL.HHE. 2016-01-28T11:27:21.18 0.1 undecidable manual P 337 132.5673 50 0.04 95
IV.DGI.HHE. 2016-01-28T11:27:12.70 0.1 positive manual P 199 79.8645 50 -0.32 100
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