Earthquake with magnitude of Md 2.6 on date 10-10-1987 and time 04:15:22 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.6 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 10-10-1987 03:15:22 (UTC)
  • 10-10-1987 04:15:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.34, 15.64 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Scilla RC 11 4964 4964
Villa San Giovanni RC 13 13784 18748
Campo Calabro RC 13 4536 23284
Fiumara RC 14 1018 24302
Bagnara Calabra RC 15 10255 34557
San Roberto RC 16 1750 36307
Messina ME 17 238439 274746
Calanna RC 18 934 275680
Palmi RC 18 18930 294610
Laganadi RC 20 413 295023
Seminara RC 20 2811 297834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Messina (238439 inhabitants)
25 Km N of Reggio di Calabria (183035 inhabitants)
91 Km NE of Acireale (52622 inhabitants)
92 Km SW of Lamezia Terme (70714 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
Rev 1000 Md 2.6
ML-VAX 1.6
1987-10-10
03:15:22
38.34 15.64 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 56799
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1987-10-10 03:15:22 ± 0.872
Latitude 38.34 ± 0.05
Longitude 15.64 ± 0.06
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 56799

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) 7634.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 203
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.01238
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 56799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:54:30

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 56799
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MEU.Z. 1987-10-10T03:16:06.47 10.0 undecidable manual SN 208 0.0124 0.32 0.4
--.MEU.Z. 1987-10-10T03:15:47.21 10.0 undecidable manual PN 208 0.0124 -0.62 0.8
--.GRI.Z. 1987-10-10T03:15:39.82 10.0 undecidable manual PG 51 0.007 1.49 0.4
--.RI2.Z. 1987-10-10T03:15:35.00 10.0 undecidable manual PG 82 0.0059 -1.22 1.1
--.FE2.Z. 1987-10-10T03:15:32.50 10.0 undecidable manual PG 130 0.004 0.11 1.3
--.SOI.Z. 1987-10-10T03:15:32.27 10.0 positive manual PG 129 0.0037 0.65 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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