Earthquake with magnitude of Md 2.9 on date 03-02-1985 and time 11:32:04 (Italy) in region 2 km S Zafferana Etnea (CT)

A magnitude Md 2.9 earthquake occured in region: 2 km S Zafferana Etnea (CT), on

  • 03-02-1985 10:32:04 (UTC)
  • 03-02-1985 11:32:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.67, 15.11 at 1 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
Zafferana Etnea CT 2 9517 9517
Santa Venerina CT 3 8592 18109
Milo CT 6 1087 19196
Trecastagni CT 7 10910 30106
Viagrande CT 7 8563 38669
Pedara CT 8 14102 52771
Aci Sant'Antonio CT 8 17984 70755
Sant'Alfio CT 9 1582 72337
Aci Catena CT 9 29851 102188
Aci Bonaccorsi CT 9 3524 105712
Acireale CT 9 52622 158334
Giarre CT 9 27659 185993
Nicolosi CT 10 7463 193456
Riposto CT 11 14838 208294
Valverde CT 11 7840 216134
San Giovanni la Punta CT 11 23060 239194
Tremestieri Etneo CT 11 20589 259783
San Gregorio di Catania CT 12 11966 271749
Mascalucia CT 12 31958 303707
Mascali CT 12 14282 317989
Sant'Agata li Battiati CT 13 9479 327468
Gravina di Catania CT 13 25838 353306
San Pietro Clarenza CT 13 7743 361049
Aci Castello CT 14 18723 379772
Belpasso CT 15 28108 407880
Camporotondo Etneo CT 15 5023 412903
Ragalna CT 16 3924 416827
Fiumefreddo di Sicilia CT 16 9623 426450
Piedimonte Etneo CT 16 3963 430413
Linguaglossa CT 19 5403 435816
Catania CT 19 314555 750371
Misterbianco CT 19 49410 799781
Calatabiano CT 20 5308 805089

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NW of Acireale (52622 inhabitants)
19 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
70 Km N of Siracusa (122291 inhabitants)
90 Km NE of Ragusa (73313 inhabitants)
94 Km E of Caltanissetta (63360 inhabitants)
95 Km NE of Vittoria (63339 inhabitants)
96 Km NE of Modica (54633 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 2.9 1985-02-03
10:32:04
37.68 15.11 1 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 989
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-03 10:32:04 ± 1.362
Latitude 37.68 ± 0.06
Longitude 15.11 ± 0.03
Depth (km) 1 ± 9 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 989

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) 7507.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00542
Epicentral distance of station farthest from the epicenter (degree) 0.02598
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 989
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.ERC.Z. 1985-02-03T10:33:03.90 10.0 undecidable manual SN 281 0.0181 -1.2 0.3
--.SGO.Z. 1985-02-03T10:32:51.00 10.0 undecidable manual PN 3 0.026 -0.24 1.1
--.ORI.Z. 1985-02-03T10:32:48.00 10.0 undecidable manual PN 23 0.0233 0.81 0.8
--.CSI.Z. 1985-02-03T10:32:43.80 10.0 undecidable manual PN 23 0.0207 0.59 1.1
--.MMN.Z. 1985-02-03T10:32:43.00 10.0 undecidable manual PN 17 0.0208 -0.43 1.2
--.ERC.Z. 1985-02-03T10:32:41.50 10.0 positive manual PN 281 0.0181 2.16 0.6
--.ROI.Z. 1985-02-03T10:32:40.70 10.0 undecidable manual PN 30 0.0199 -1.27 0.6
--.GIB.Z. 1985-02-03T10:32:37.50 10.0 undecidable manual SG 290 0.0082 0.56 0.8
--.FA1.Z. 1985-02-03T10:32:28.00 10.0 undecidable manual PN 251 0.0108 -0.2 1
--.GIB.Z. 1985-02-03T10:32:22.50 10.0 positive manual PG 290 0.0082 -0.58 2
--.MSI.Z. 1985-02-03T10:32:18.50 10.0 undecidable manual PG 33 0.0057 0.48 1.3
--.RCI.Z. 1985-02-03T10:32:17.00 10.0 undecidable manual PG 44 0.0054 -0.43 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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