Earthquake with magnitude of Md 2.4 on date 10-03-1986 and time 00:52:43 (Italy) in region 3 km N Trecastagni (CT)

A magnitude Md 2.4 earthquake occured in region: 3 km N Trecastagni (CT), on

  • 09-03-1986 23:52:43 (UTC)
  • 10-03-1986 00:52:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6460, 15.0770 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
Trecastagni CT 3 10910 10910
Pedara CT 3 14102 25012
Viagrande CT 4 8563 33575
Nicolosi CT 6 7463 41038
Aci Bonaccorsi CT 6 3524 44562
Zafferana Etnea CT 6 9517 54079
Aci Sant'Antonio CT 6 17984 72063
Santa Venerina CT 7 8592 80655
Aci Catena CT 8 29851 110506
Tremestieri Etneo CT 8 20589 131095
San Giovanni la Punta CT 8 23060 154155
Mascalucia CT 8 31958 186113
Valverde CT 9 7840 193953
Acireale CT 9 52622 246575
San Pietro Clarenza CT 9 7743 254318
San Gregorio di Catania CT 9 11966 266284
Milo CT 9 1087 267371
Gravina di Catania CT 10 25838 293209
Sant'Agata li Battiati CT 10 9479 302688
Belpasso CT 11 28108 330796
Camporotondo Etneo CT 11 5023 335819
Aci Castello CT 12 18723 354542
Ragalna CT 12 3924 358466
Sant'Alfio CT 13 1582 360048
Giarre CT 13 27659 387707
Riposto CT 15 14838 402545
Misterbianco CT 15 49410 451955
Catania CT 16 314555 766510
Mascali CT 16 14282 780792
Santa Maria di Licodia CT 17 7641 788433
PaternĂ² CT 17 48228 836661
Motta Sant'Anastasia CT 18 12116 848777
Biancavilla CT 18 24007 872784

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km W of Acireale (52622 inhabitants)
16 Km N of Catania (314555 inhabitants)
68 Km N of Siracusa (122291 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
74 Km SW of Messina (238439 inhabitants)
86 Km NE of Ragusa (73313 inhabitants)
91 Km NE of Vittoria (63339 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Modica (54633 inhabitants)
97 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 1986-03-09
23:52:43
37.646 15.077 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-09 23:52:43 ± 0.167
Latitude 37.6460 ± 0.0126
Longitude 15.0770 ± 0.0165
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23869

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) 2019.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 126
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00534
Epicentral distance of station farthest from the epicenter (degree) 0.02024
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 23869
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:25:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ROI.Z. 1986-03-09T23:53:20.40 10.0 undecidable manual PN 30 2.2422 -0.39 0.8
--.GIB.Z. 1986-03-09T23:53:15.50 10.0 undecidable manual SG 292 0.888 0.73 0.1
--.RI2.Z. 1986-03-09T23:53:08.90 10.0 undecidable manual PN 54 1.3431 0.45 0.9
--.PZI.Z. 1986-03-09T23:53:05.60 10.0 undecidable manual SG 189 0.5883 0.43 0.4
--.GIB.Z. 1986-03-09T23:53:01.00 10.0 undecidable manual PG 292 0.888 -0.38 1.3
--.FE2.Z. 1986-03-09T23:53:01.20 10.0 undecidable manual PG 63 0.8769 0 2
--.PZI.Z. 1986-03-09T23:52:55.50 10.0 undecidable manual PG 189 0.5883 -0.34 1.4
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