Earthquake with magnitude of Md 2.5 on date 19-06-1989 and time 08:30:30 (Italy) in region 9 km N Ragalna (CT)

A magnitude Md 2.5 earthquake occured in region: 9 km N Ragalna (CT), on

  • 19-06-1989 06:30:30 (UTC)
  • 19-06-1989 08:30:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7090, 14.9410 at 7 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
Ragalna CT 9 3924 3924
Biancavilla CT 10 24007 27931
Adrano CT 11 36122 64053
Santa Maria di Licodia CT 11 7641 71694
Bronte CT 13 19172 90866
Nicolosi CT 13 7463 98329
Belpasso CT 13 28108 126437
Zafferana Etnea CT 14 9517 135954
Pedara CT 15 14102 150056
PaternĂ² CT 15 48228 198284
Maletto CT 15 3920 202204
Milo CT 16 1087 203291
Trecastagni CT 16 10910 214201
Camporotondo Etneo CT 17 5023 219224
San Pietro Clarenza CT 17 7743 226967
Viagrande CT 18 8563 235530
Santa Venerina CT 18 8592 244122
Mascalucia CT 18 31958 276080
Sant'Alfio CT 18 1582 277662
Tremestieri Etneo CT 19 20589 298251
Randazzo CT 19 10900 309151
Aci Bonaccorsi CT 19 3524 312675
Gravina di Catania CT 20 25838 338513
Aci Sant'Antonio CT 20 17984 356497
San Giovanni la Punta CT 20 23060 379557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of Acireale (52622 inhabitants)
26 Km NW of Catania (314555 inhabitants)
76 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
79 Km NW of Siracusa (122291 inhabitants)
81 Km E of Caltanissetta (63360 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
96 Km N 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 2.5
ML-VAX 2.0
1989-06-19
06:30:30
37.709 14.941 7 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 93439
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-06-19 06:30:30 ± 0.24
Latitude 37.7090 ± 0.0071
Longitude 14.9410 ± 0.0089
Depth (km) 7 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 93439

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) 1110.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01595
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 93439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:27:35

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 6
Type of magnitude ML
Reference to an origin 93439
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FAI.Z. 1989-06-19T06:31:08.26 10.0 undecidable manual SN 246 1.0989 -0.08 0.6
--.MCT.Z. 1989-06-19T06:31:07.71 10.0 undecidable manual SG 265 1.0545 0.38 0.5
--.GMB.Z. 1989-06-19T06:31:00.54 10.0 undecidable manual SG 56 0.8325 0.28 0.6
--.CZI.Z. 1989-06-19T06:31:00.78 10.0 undecidable manual PN 31 1.7649 -0.98 0.3
--.SA1.Z. 1989-06-19T06:31:00.52 10.0 undecidable manual SG 354 0.8547 -0.39 0.7
--.LPI.Z. 1989-06-19T06:30:58.50 10.0 undecidable manual SG 359 0.777 0.07 0.7
--.GIB.Z. 1989-06-19T06:30:58.33 10.0 undecidable manual SG 291 0.777 0.1 0.7
--.PZI.Z. 1989-06-19T06:30:55.15 10.0 undecidable manual SG 179 0.6438 0.81 0.3
--.MO9.Z. 1989-06-19T06:30:55.30 10.0 undecidable manual SG 63 0.6549 0.37 0.5
--.ATN.Z. 1989-06-19T06:30:53.33 10.0 undecidable manual SG 42 0.5994 0.39 0.5
--.FAI.Z. 1989-06-19T06:30:52.60 10.0 undecidable manual PN 246 1.0989 -0.43 1.2
--.MCT.Z. 1989-06-19T06:30:52.54 10.0 undecidable manual PG 265 1.0545 0.64 0.8
--.MEU.Z. 1989-06-19T06:30:52.72 10.0 undecidable manual SG 188 0.5994 -0.04 0.8
--.FE2.Z. 1989-06-19T06:30:49.36 10.0 undecidable manual PG 69 0.9657 -0.79 0.7
--.GMB.Z. 1989-06-19T06:30:48.11 10.0 undecidable manual PG 56 0.8325 0.29 1.5
--.SA1.Z. 1989-06-19T06:30:47.50 10.0 undecidable manual PG 354 0.8547 -1.15 0.2
--.LPI.Z. 1989-06-19T06:30:47.48 10.0 undecidable manual PG 359 0.777 0.72 0.7
--.GA2.Z. 1989-06-19T06:30:47.74 10.0 undecidable manual PG 56 0.8325 -0.09 1.9
--.GIB.Z. 1989-06-19T06:30:46.57 10.0 undecidable manual PG 291 0.777 -0.08 1.9
--.MO9.Z. 1989-06-19T06:30:45.44 10.0 undecidable manual PG 63 0.6549 0.85 0.5
--.PZI.Z. 1989-06-19T06:30:44.48 10.0 undecidable manual PG 179 0.6438 0.08 1.9
--.MEU.Z. 1989-06-19T06:30:43.25 10.0 undecidable manual PG 188 0.5994 -0.24 1.7
--.ATN.Z. 1989-06-19T06:30:43.46 10.0 positive manual PG 42 0.5994 -0.13 3.8
--.MNO.Z. 1989-06-19T06:30:43.21 10.0 undecidable manual SG 319 0.2886 0.73 0.3
--.MNO.Z. 1989-06-19T06:30:37.40 10.0 undecidable manual PG 319 0.2886 -0.15 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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