Earthquake with magnitude of Md 2.7 on date 09-06-1985 and time 05:55:40 (UTC) in region Costa Catanese (Catania)

A magnitude Md 2.7 earthquake occured in region: Costa Catanese (Catania), on

  • 09-06-1985 05:55:40 (UTC)
  • 09-06-1985 07:55:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.737, 15.286 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Riposto CT 7 14838 14838
Mascali CT 8 14282 29120
Giarre CT 9 27659 56779
Fiumefreddo di Sicilia CT 9 9623 66402
Calatabiano CT 11 5308 71710
Giardini-Naxos ME 12 9415 81125
Piedimonte Etneo CT 12 3963 85088
Sant'Alfio CT 13 1582 86670
Taormina ME 13 10960 97630
Castelmola ME 14 1088 98718
Santa Venerina CT 14 8592 107310
Milo CT 15 1087 108397
Gaggi ME 15 3184 111581
Letojanni ME 16 2861 114442
Zafferana Etnea CT 17 9517 123959
Linguaglossa CT 17 5403 129362
Acireale CT 17 52622 181984
Graniti ME 18 1492 183476
Gallodoro ME 19 367 183843
Mongiuffi Melia ME 19 600 184443
Aci Catena CT 19 29851 214294

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Acireale (52622 inhabitants)
31 Km NE of Catania (314555 inhabitants)
52 Km SW of Reggio di Calabria (183035 inhabitants)
56 Km SW of Messina (238439 inhabitants)
75 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
Bulletin
Rev1000
Md 2.7 1985-06-09
05:55:40
37.737 15.286 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 8259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-09 05:55:40 ± 1.368
Latitude 37.7370 ± 0.0476
Longitude 15.2860 ± 0.0836
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 8259

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) 9058.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00688
Epicentral distance of station farthest from the epicenter (degree) 0.01222
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 8259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:12:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.FA1.Z. 1985-06-09T05:56:26.00 10.0 undecidable manual SN 250 0.0122 1.33 0.2
--.GIB.Z. 1985-06-09T05:56:16.00 10.0 undecidable manual SG 284 0.0092 -0.2 1.2
--.FA1.Z. 1985-06-09T05:56:07.00 10.0 undecidable manual PN 250 0.0122 1.03 0.8
--.PA1.Z. 1985-06-09T05:56:07.00 10.0 undecidable manual SG 202 0.0069 -0.83 0.5
--.GIB.Z. 1985-06-09T05:56:00.20 10.0 undecidable manual PG 284 0.0092 -0.88 1.2
--.PA1.Z. 1985-06-09T05:55:56.00 10.0 undecidable manual PG 202 0.0069 -0.25 2
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