Earthquake with magnitude of Md 2.4 on date 28-06-1987 and time 02:10:48 (Italy) in region Tirreno Meridionale (MARE)

A magnitude Md 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 28-06-1987 00:10:48 (UTC)
  • 28-06-1987 02:10:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.693, 15.441 at 5 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
56 Km N of Messina (238439 inhabitants)
67 Km N of Reggio di Calabria (183035 inhabitants)
82 Km W of Lamezia Terme (70714 inhabitants)
97 Km SW 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
Md 2.4 1987-06-28
00:10:48
38.693 15.441 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 49639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-06-28 00:10:48 ± 0.356
Latitude 38.6930 ± 0.0153
Longitude 15.4410 ± 0.0513
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 49639

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) 4769.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.01295
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 49639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:48:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SE2.Z. 1987-06-28T00:11:21.40 10.0 undecidable manual SG! 72 0.0094 -3.99 0
--.SO9.Z. 1987-06-28T00:11:16.50 10.0 undecidable manual SG 142 0.007 -0.55 0.6
--.MGR.Z. 1987-06-28T00:11:15.50 10.0 negative manual PN 3 0.013 -0.17 2
--.CSI.Z. 1987-06-28T00:11:13.50 10.0 undecidable manual PN 30 0.0114 0.18 1.1
--.TS9.Z. 1987-06-28T00:11:12.00 10.0 undecidable manual PN 35 0.0107 -0.15 1.1
--.MMN.Z. 1987-06-28T00:11:12.80 10.0 undecidable manual PN 19 0.0114 -0.45 0.9
--.ROI.Z. 1987-06-28T00:11:12.40 10.0 undecidable manual PN 44 0.0111 -0.42 1
--.ATN.Z. 1987-06-28T00:11:10.00 10.0 undecidable manual SG 178 0.0048 1 0.3
--.SE2.Z. 1987-06-28T00:11:08.50 10.0 undecidable manual PG 72 0.0094 -1.5 0.2
--.CZI.Z. 1987-06-28T00:11:06.40 10.0 undecidable manual PG 45 0.0067 1.82 0.1
--.GRI.Z. 1987-06-28T00:11:06.00 10.0 undecidable manual PG 80 0.007 1.02 0.5
--.SO9.Z. 1987-06-28T00:11:05.00 10.0 negative manual PG 142 0.007 -0.18 2.5
--.FE2.Z. 1987-06-28T00:11:03.50 10.0 undecidable manual PG! 142 0.0074 -2.45 0
--.ATN.Z. 1987-06-28T00:11:00.50 10.0 positive manual PG 178 0.0048 -0.04 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download