Earthquake with magnitude of Md 3.1 on date 01-11-1985 and time 00:44:58 (UTC) in region 2 km E Zafferana Etnea (CT)

A magnitude Md 3.1 earthquake occured in region: 2 km E Zafferana Etnea (CT), on

  • 01-11-1985 00:44:58 (UTC)
  • 01-11-1985 01:44:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.698, 15.122 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
Zafferana Etnea CT 2 9517 9517
Santa Venerina CT 2 8592 18109
Milo CT 3 1087 19196
Sant'Alfio CT 6 1582 20778
Giarre CT 7 27659 48437
Riposto CT 8 14838 63275
Mascali CT 9 14282 77557
Trecastagni CT 10 10910 88467
Viagrande CT 10 8563 97030
Aci Sant'Antonio CT 10 17984 115014
Acireale CT 10 52622 167636
Pedara CT 10 14102 181738
Aci Catena CT 11 29851 211589
Aci Bonaccorsi CT 11 3524 215113
Nicolosi CT 12 7463 222576
Fiumefreddo di Sicilia CT 13 9623 232199
Valverde CT 13 7840 240039
Piedimonte Etneo CT 13 3963 244002
San Giovanni la Punta CT 14 23060 267062
Tremestieri Etneo CT 14 20589 287651
San Gregorio di Catania CT 15 11966 299617
Mascalucia CT 15 31958 331575
Aci Castello CT 16 18723 350298
Sant'Agata li Battiati CT 16 9479 359777
Gravina di Catania CT 16 25838 385615
Linguaglossa CT 16 5403 391018
San Pietro Clarenza CT 16 7743 398761
Calatabiano CT 17 5308 404069
Belpasso CT 17 28108 432177
Camporotondo Etneo CT 18 5023 437200
Ragalna CT 18 3924 441124

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km NW of Acireale (52622 inhabitants)
22 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
72 Km N of Siracusa (122291 inhabitants)
93 Km NE of Ragusa (73313 inhabitants)
96 Km E of Caltanissetta (63360 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
99 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
Bulletin
Rev1000
Md 3.1 1985-11-01
00:44:58
37.698 15.122 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 15229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-01 00:44:58 ± 0.307
Latitude 37.6980 ± 0.0242
Longitude 15.1220 ± 0.0248
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15229

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) 3464
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00518
Epicentral distance of station farthest from the epicenter (degree) 0.03181
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 15229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:18:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BRT.Z. 1985-11-01T00:45:53.40 10.0 undecidable manual PN 25 0.0318 -0.73 0.5
--.SGO.Z. 1985-11-01T00:45:44.00 10.0 undecidable manual PN 3 0.0257 -0.85 0.6
--.MMN.Z. 1985-11-01T00:45:36.40 10.0 undecidable manual PN 17 0.0206 -0.61 0.8
--.GIB.Z. 1985-11-01T00:45:31.00 10.0 undecidable manual SG 289 0.0082 0.16 0.8
--.CZI.Z. 1985-11-01T00:45:29.50 10.0 undecidable manual PN 27 0.0154 0.44 1
--.PA1.Z. 1985-11-01T00:45:23.50 10.0 undecidable manual SG 194 0.0062 -0.1 0.5
--.DR2.Z. 1985-11-01T00:45:21.80 10.0 undecidable manual PN 33 0.0102 0.61 2.1
--.GIB.Z. 1985-11-01T00:45:18.00 10.0 negative manual PG 289 0.0082 0.74 1.9
--.FE2.Z. 1985-11-01T00:45:17.50 10.0 undecidable manual PG 65 0.0074 1.68 0.6
--.GA2.Z. 1985-11-01T00:45:14.80 10.0 undecidable manual PG 49 0.0066 0.92 0.8
--.PA1.Z. 1985-11-01T00:45:12.00 10.0 undecidable manual PG 194 0.0062 -1.07 0.7
--.MSI.Z. 1985-11-01T00:45:10.50 10.0 positive manual PG 34 0.0054 -1.16 1.2
--.RCI.Z. 1985-11-01T00:45:10.10 10.0 negative manual PG 45 0.0052 -0.99 1.5
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