Earthquake with magnitude of Md 2.4 on date 11-10-1985 and time 01:14:42 (Italy) in region 6 km NW Nicolosi (CT)

A magnitude Md 2.4 earthquake occured in region: 6 km NW Nicolosi (CT), on

  • 11-10-1985 00:14:42 (UTC)
  • 11-10-1985 01:14:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6660, 15.0010 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
Nicolosi CT 6 7463 7463
Ragalna CT 7 3924 11387
Pedara CT 8 14102 25489
Belpasso CT 8 28108 53597
Trecastagni CT 9 10910 64507
Zafferana Etnea CT 10 9517 74024
Viagrande CT 10 8563 82587
San Pietro Clarenza CT 11 7743 90330
Camporotondo Etneo CT 11 5023 95353
Mascalucia CT 11 31958 127311
Santa Maria di Licodia CT 11 7641 134952
Tremestieri Etneo CT 12 20589 155541
Biancavilla CT 12 24007 179548
Milo CT 12 1087 180635
Aci Bonaccorsi CT 12 3524 184159
Santa Venerina CT 12 8592 192751
Gravina di Catania CT 13 25838 218589
Aci Sant'Antonio CT 13 17984 236573
San Giovanni la Punta CT 13 23060 259633
PaternĂ² CT 13 48228 307861
Sant'Agata li Battiati CT 14 9479 317340
Aci Catena CT 14 29851 347191
Valverde CT 15 7840 355031
San Gregorio di Catania CT 15 11966 366997
Adrano CT 15 36122 403119
Sant'Alfio CT 15 1582 404701
Acireale CT 16 52622 457323
Misterbianco CT 16 49410 506733
Motta Sant'Anastasia CT 17 12116 518849
Aci Castello CT 18 18723 537572
Giarre CT 18 27659 565231
Riposto CT 19 14838 580069
Catania CT 20 314555 894624

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Acireale (52622 inhabitants)
20 Km NW of Catania (314555 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
75 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
85 Km E of Caltanissetta (63360 inhabitants)
86 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km N of Modica (54633 inhabitants)
94 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
Bulletin
Rev1000
Md 2.4 1985-10-11
00:14:42
37.666 15.001 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 14489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-11 00:14:42 ± 0.387
Latitude 37.6660 ± 0.0246
Longitude 15.0010 ± 0.0372
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 14489

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) 4262.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00575
Epicentral distance of station farthest from the epicenter (degree) 0.00745
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 14489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:17:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GIB.Z. 1985-10-11T00:15:12.00 10.0 undecidable manual SG 293 0.8214 0.92 0.4
--.PA1.Z. 1985-10-11T00:15:06.00 10.0 undecidable manual SG 186 0.6327 1.19 0.1
--.GA2.Z. 1985-10-11T00:14:58.80 10.0 undecidable manual PG 52 0.8214 0.05 1.5
--.GIB.Z. 1985-10-11T00:14:58.00 10.0 undecidable manual PG 293 0.8214 -0.95 0.6
--.PA1.Z. 1985-10-11T00:14:54.90 10.0 positive manual PG 186 0.6327 -0.43 2.5
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