Earthquake with magnitude of M 2.9 on date 15-06-1987 and time 20:20:45 (UTC) in region Tirreno Meridionale (MARE)

A magnitude M 2.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 15-06-1987 20:20:45 (UTC)
  • 15-06-1987 22:20:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.67, 15.366 at 318 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
87 Km NW of Cosenza (67546 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
M 2.9 1987-06-15
20:20:45
39.67 15.366 318 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 49169
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-15 20:20:45 ± 2.698
Latitude 39.6700 ± 0.0494
Longitude 15.3660 ± 0.1127
Depth (km) 318 ± 23 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 49169

Uncertainty

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) 11102
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00437
Epicentral distance of station farthest from the epicenter (degree) 0.02331
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 49169
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MEU.Z. 1987-06-15T20:21:40.60 10.0 undecidable manual P 189 0.0233 0.48 0.5
--.BRT.Z. 1987-06-15T20:21:33.00 10.0 undecidable manual P 48 0.0163 -0.47 0.6
--.SO9.Z. 1987-06-15T20:21:32.00 10.0 undecidable manual P 161 0.0151 -0.52 0.5
--.ATN.Z. 1987-06-15T20:21:31.00 10.0 undecidable manual P 177 0.0136 -0.34 0.9
--.GR9.Z. 1987-06-15T20:21:29.50 10.0 undecidable manual P 135 0.0106 0.13 2.6
--.ORI.Z. 1987-06-15T20:21:28.50 10.0 undecidable manual P 65 0.0082 0.46 0.7
--.ROI.Z. 1987-06-15T20:21:28.50 10.0 undecidable manual P 95 0.0083 0.38 1.8
--.CSI.Z. 1987-06-15T20:21:27.60 10.0 undecidable manual P 80 0.0065 0.3 1
--.CZI.Z. 1987-06-15T20:21:26.60 10.0 undecidable manual P 127 0.0066 -0.78 0.2
--.MG9.Z. 1987-06-15T20:21:26.50 10.0 undecidable manual P 17 0.0044 -0.13 1.3
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