Earthquake with magnitude of Md 2.9 on date 09-04-1986 and time 10:08:25 (UTC) in region SE Giarre (CT)

A magnitude Md 2.9 earthquake occured in region: SE Giarre (CT), on

  • 09-04-1986 10:08:25 (UTC)
  • 09-04-1986 12:08:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.73, 15.19 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
Giarre CT 0 27659 27659
Riposto CT 2 14838 42497
Mascali CT 3 14282 56779
Sant'Alfio CT 4 1582 58361
Santa Venerina CT 6 8592 66953
Milo CT 6 1087 68040
Fiumefreddo di Sicilia CT 8 9623 77663
Zafferana Etnea CT 8 9517 87180
Piedimonte Etneo CT 9 3963 91143
Calatabiano CT 11 5308 96451
Acireale CT 13 52622 149073
Linguaglossa CT 13 5403 154476
Aci Catena CT 15 29851 184327
Aci Sant'Antonio CT 15 17984 202311
Giardini-Naxos ME 15 9415 211726
Gaggi ME 15 3184 214910
Viagrande CT 15 8563 223473
Trecastagni CT 16 10910 234383
Aci Bonaccorsi CT 16 3524 237907
Taormina ME 16 10960 248867
Castelmola ME 17 1088 249955
Pedara CT 17 14102 264057
Valverde CT 17 7840 271897
Castiglione di Sicilia CT 18 3215 275112
Graniti ME 19 1492 276604
San Giovanni la Punta CT 19 23060 299664
Motta Camastra ME 19 845 300509
Nicolosi CT 19 7463 307972
San Gregorio di Catania CT 19 11966 319938
Aci Castello CT 20 18723 338661
Tremestieri Etneo CT 20 20589 359250
Francavilla di Sicilia ME 20 3945 363195
Letojanni ME 20 2861 366056

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km N of Acireale (52622 inhabitants)
27 Km NE of Catania (314555 inhabitants)
58 Km SW of Reggio di Calabria (183035 inhabitants)
61 Km SW of Messina (238439 inhabitants)
75 Km N of Siracusa (122291 inhabitants)
98 Km NE of Ragusa (73313 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 1986-04-09
10:08:25
37.73 15.19 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 25549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-04-09 10:08:25 ± 0.395
Latitude 37.73 ± 0.03
Longitude 15.19 ± 0.04
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 25549

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) 4766.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 132
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00494
Epicentral distance of station farthest from the epicenter (degree) 0.02177
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 25549
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:27:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MG9.Z. 1986-04-09T10:09:06.00 10.0 undecidable manual PN 6 0.0218 0.67 0.9
--.GIB.Z. 1986-04-09T10:08:57.00 10.0 undecidable manual SG 286 0.0085 -1.63 0.2
--.GR9.Z. 1986-04-09T10:08:54.00 10.0 undecidable manual PN 41 0.0131 1.89 0.3
--.SO9.Z. 1986-04-09T10:08:51.00 10.0 undecidable manual SG 63 0.0069 -1.67 0.2
--.DR2.Z. 1986-04-09T10:08:45.60 10.0 undecidable manual PN 32 0.0097 -1.36 0.7
--.MSI.Z. 1986-04-09T10:08:45.50 10.0 undecidable manual SG 31 0.0049 -0.45 0.7
--.GIB.Z. 1986-04-09T10:08:45.00 10.0 undecidable manual PG 286 0.0085 0.49 1.6
--.SO9.Z. 1986-04-09T10:08:41.50 10.0 undecidable manual PG 63 0.0069 0.44 1.7
--.PZI.Z. 1986-04-09T10:08:39.50 10.0 undecidable manual PG 196 0.0062 -0.32 1.8
--.MSI.Z. 1986-04-09T10:08:37.00 10.0 undecidable manual PG 31 0.0049 -0.18 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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