Earthquake with magnitude of Md 2.7 on date 24-02-1985 and time 01:22:00 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude Md 2.7 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 24-02-1985 00:22:00 (UTC)
  • 24-02-1985 01:22:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.82, 15.42 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
Letojanni ME 12 2861 2861
Taormina ME 13 10960 13821
Sant'Alessio Siculo ME 13 1554 15375
Giardini-Naxos ME 13 9415 24790
Forza d'Agrò ME 13 911 25701
Castelmola ME 13 1088 26789
Gallodoro ME 14 367 27156
Santa Teresa di Riva ME 15 9377 36533
Mongiuffi Melia ME 16 600 37133
Furci Siculo ME 16 3382 40515
Savoca ME 17 1732 42247
Calatabiano CT 17 5308 47555
Roccalumera ME 17 4141 51696
Casalvecchio Siculo ME 18 842 52538
Roccafiorita ME 18 197 52735
Gaggi ME 18 3184 55919
Limina ME 19 836 56755
Nizza di Sicilia ME 19 3667 60422
Graniti ME 19 1492 61914
Fiumefreddo di Sicilia CT 19 9623 71537
Pagliara ME 19 1170 72707

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Acireale (52622 inhabitants)
38 Km SW of Reggio di Calabria (183035 inhabitants)
43 Km S of Messina (238439 inhabitants)
46 Km NE of Catania (314555 inhabitants)
85 Km N 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
Rev 1000 Md 2.7 1985-02-24
00:22:00
37.82 15.42 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 2339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-24 00:22:00 ± 0.804
Latitude 37.82 ± 0.03
Longitude 15.42 ± 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 2339

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) 6419.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 287
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) 0.00793
Epicentral distance of station farthest from the epicenter (degree) 0.01336
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

Md:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 2339
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FA1.Z. 1985-02-24T00:22:46.50 10.0 undecidable manual SN 248 0.0134 0.53 0.3
--.GIB.Z. 1985-02-24T00:22:37.00 10.0 undecidable manual SN 278 0.01 0.07 1
--.PA1.Z. 1985-02-24T00:22:29.50 10.0 undecidable manual SG 206 0.0079 -0.86 0.1
--.FA1.Z. 1985-02-24T00:22:27.00 10.0 undecidable manual PN 248 0.0134 0.46 0.8
--.GIB.Z. 1985-02-24T00:22:21.00 10.0 undecidable manual PN 278 0.01 -0.32 2.5
--.PA1.Z. 1985-02-24T00:22:17.80 10.0 undecidable manual PG 206 0.0079 0.27 1.4
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