Earthquake with magnitude of Md 3.4 on date 10-03-1985 and time 11:01:38 (Italy) in region 4 km N Trecastagni (CT)

A magnitude Md 3.4 earthquake occured in region: 4 km N Trecastagni (CT), on

  • 10-03-1985 10:01:38 (UTC)
  • 10-03-1985 11:01:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.66, 15.08 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
Trecastagni CT 4 10910 10910
Pedara CT 5 14102 25012
Zafferana Etnea CT 5 9517 34529
Viagrande CT 5 8563 43092
Santa Venerina CT 6 8592 51684
Nicolosi CT 7 7463 59147
Aci Sant'Antonio CT 7 17984 77131
Aci Bonaccorsi CT 7 3524 80655
Aci Catena CT 8 29851 110506
Milo CT 8 1087 111593
San Giovanni la Punta CT 9 23060 134653
Tremestieri Etneo CT 9 20589 155242
Acireale CT 9 52622 207864
Valverde CT 9 7840 215704
Mascalucia CT 9 31958 247662
San Gregorio di Catania CT 10 11966 259628
San Pietro Clarenza CT 10 7743 267371
Gravina di Catania CT 11 25838 293209
Sant'Agata li Battiati CT 11 9479 302688
Sant'Alfio CT 11 1582 304270
Belpasso CT 12 28108 332378
Camporotondo Etneo CT 12 5023 337401
Aci Castello CT 12 18723 356124
Giarre CT 12 27659 383783
Ragalna CT 13 3924 387707
Riposto CT 14 14838 402545
Mascali CT 15 14282 416827
Misterbianco CT 16 49410 466237
Catania CT 17 314555 780792
Santa Maria di Licodia CT 18 7641 788433
PaternĂ² CT 18 48228 836661
Motta Sant'Anastasia CT 19 12116 848777
Biancavilla CT 19 24007 872784
Fiumefreddo di Sicilia CT 19 9623 882407
Piedimonte Etneo CT 19 3963 886370

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NW of Acireale (52622 inhabitants)
17 Km N of Catania (314555 inhabitants)
69 Km N of Siracusa (122291 inhabitants)
71 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km SW of Messina (238439 inhabitants)
87 Km NE of Ragusa (73313 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
93 Km N of Modica (54633 inhabitants)
98 Km NE of Gela (75827 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 3.4 1985-03-10
10:01:38
37.66 15.08 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-10 10:01:38 ± 0.369
Latitude 37.66 ± 0.03
Longitude 15.08 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 3149

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) 4009.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00567
Epicentral distance of station farthest from the epicenter (degree) 0.02615
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 3149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SGO.Z. 1985-03-10T10:02:26.00 10.0 undecidable manual PN 3 0.0261 1.08 0.4
--.ORI.Z. 1985-03-10T10:02:22.00 10.0 undecidable manual PN 23 0.0236 1.06 0.4
--.CSI.Z. 1985-03-10T10:02:16.00 10.0 undecidable manual PN 23 0.0209 -0.96 0.6
--.ROI.Z. 1985-03-10T10:02:15.90 10.0 undecidable manual PN 30 0.0201 0.16 1.2
--.GIB.Z. 1985-03-10T10:02:09.50 10.0 undecidable manual SG 292 0.008 -0.18 0.9
--.PA1.Z. 1985-03-10T10:02:03.00 10.0 undecidable manual SG 191 0.0057 1.66 0.1
--.FA1.Z. 1985-03-10T10:02:01.00 10.0 undecidable manual PN 251 0.0106 -0.25 1.5
--.GIB.Z. 1985-03-10T10:01:56.50 10.0 negative manual PG 292 0.008 -0.19 3.1
--.RCI.Z. 1985-03-10T10:01:51.00 10.0 undecidable manual PG 44 0.0057 -0.75 1
--.PA1.Z. 1985-03-10T10:01:51.00 10.0 undecidable manual PG 191 0.0057 -0.87 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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