Earthquake with magnitude of Md 2.5 on date 29-03-1986 and time 19:06:48 (UTC) in region Tirreno Meridionale (MARE)

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

  • 29-03-1986 19:06:48 (UTC)
  • 29-03-1986 20:06:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.615, 15.295 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
90 Km W of Cosenza (67546 inhabitants)
Recent and historical seismicity
Seismic hazard
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Md 2.5 1986-03-29
39.615 15.295 10 2013-07-15
Bollettino Sismico Italiano INGV 25069
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 1986-03-29 19:06:48 ± 0.826
Latitude 39.6150 ± 0.0135
Longitude 15.2950 ± 0.0665
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 25069


Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 5894.3
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 259
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00502
Epicentral distance of station farthest from the epicenter (degree) 0.00704
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information


Field Value
Value 2.5
Num. used stations 1
Type of magnitude Md
Reference to an origin 25069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:26:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CZI.Z. 1986-03-29T19:07:13.80 10.0 undecidable manual SG 121 0.0068 -0.52 0.1
--.MG9.Z. 1986-03-29T19:07:08.00 10.0 undecidable manual SG 20 0.005 0.11 0.5
--.CZI.Z. 1986-03-29T19:07:03.30 10.0 undecidable manual PG 121 0.0068 0.09 2.5
--.CSI.Z. 1986-03-29T19:07:03.40 10.0 undecidable manual PG 77 0.007 -0.3 0.8
--.MMN.Z. 1986-03-29T19:07:00.60 10.0 undecidable manual PG 62 0.0053 0.33 1.6
--.MG9.Z. 1986-03-29T19:06:59.00 10.0 undecidable manual PG 20 0.005 -0.49 0.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download