Earthquake with magnitude of Md 2.8 on date 22-02-1986 and time 18:02:19 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.8 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 22-02-1986 17:02:19 (UTC)
  • 22-02-1986 18:02:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9, 15.71 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
Roghudi RC 6 1104 1104
Melito di Porto Salvo RC 7 11355 12459
Montebello Ionico RC 11 6214 18673
Motta San Giovanni RC 12 6208 24881
San Lorenzo RC 17 2640 27521
Bagaladi RC 18 1039 28560
Condofuri RC 18 5113 33673
Bova Marina RC 19 4235 37908

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km S of Reggio di Calabria (183035 inhabitants)
36 Km SE of Messina (238439 inhabitants)
57 Km NE of Acireale (52622 inhabitants)
70 Km NE of Catania (314555 inhabitants)
100 Km NE of Siracusa (122291 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 2.8 1986-02-22
17:02:19
37.9 15.71 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-22 17:02:19 ± 0.464
Latitude 37.90 ± 0.04
Longitude 15.71 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23079

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) 6288.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 5
Number of defining phases 5
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00931
Epicentral distance of station farthest from the epicenter (degree) 0.02016
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 23079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.GIB.Z. 1986-02-22T17:03:01.00 10.0 undecidable manual SN 275 0.0119 -0.55 0.5
--.MG9.Z. 1986-02-22T17:02:57.50 10.0 undecidable manual PN 357 0.0202 1.21 0.4
--.GIB.Z. 1986-02-22T17:02:43.50 10.0 undecidable manual PN 275 0.0119 -0.25 1.6
--.PZI.Z. 1986-02-22T17:02:40.00 10.0 undecidable manual PN 216 0.0093 0.3 1.6
--.GR9.Z. 1986-02-22T17:02:39.50 10.0 undecidable manual PN 31 0.0097 -0.81 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download