Earthquake with magnitude of Md 2.5 on date 11-11-2015 and time 15:19:16 (UTC) in region Tirreno Centrale (MARE)

A magnitude Md 2.5 earthquake occured in region: Tirreno Centrale (MARE), on

  • 11-11-2015 15:19:16 (UTC)
  • 11-11-2015 16:19:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.2300, 10.2510 at 23 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 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
Bulletin
Rev1000
Md 2.5 2015-11-11
15:19:16
41.2302 10.2513 23 2016-02-19
13:22:41
Bollettino Sismico Italiano INGV 22415101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-11-11 15:19:16 ± 0.18
Latitude 41.2302 ± 0.0108
Longitude 10.2513 ± 0.0215
Depth (km) 23 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22415101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1890
Semi-minor axis of confidence ellipse (meter) 1130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 1890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 1.03422
Epicentral distance of station farthest from the epicenter (degree) 1.51626
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 2
Type of magnitude Md
Reference to an origin 22415101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-11-24 17:32:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
FR.AJAC.HHE. 2015-11-11T15:19:57.61 0.6 undecidable manual S 303 145.743 54 -0.34 44
IV.DGI.HHZ. 2015-11-11T15:19:50.15 0.6 undecidable manual S 208 114.7962 97 -0.01 50
IV.CELB.HHE. 2015-11-11T15:19:43.34 0.6 undecidable manual P 359 168.3093 54 -0.06 42
FR.CORF.HHN. 2015-11-11T15:19:41.64 0.3 undecidable manual P 323 149.3394 54 0.6 60
IV.MAON.HHZ. 2015-11-11T15:19:41.18 0.1 undecidable manual P 28 151.5372 54 -0.13 90
FR.AJAC.HHE. 2015-11-11T15:19:40.52 0.3 undecidable manual P 303 145.743 54 -0.08 69
IV.DGI.HHZ. 2015-11-11T15:19:36.09 0.1 undecidable manual P 208 114.7962 97 -0.01 100
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