Earthquake with magnitude of Md 2.3 on date 18-05-1990 and time 19:14:59 (Italy) in region 5 km N Adrano (CT)

A magnitude Md 2.3 earthquake occured in region: 5 km N Adrano (CT), on

  • 18-05-1990 17:14:59 (UTC)
  • 18-05-1990 19:14:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7090, 14.8360 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
Adrano CT 5 36122 36122
Biancavilla CT 8 24007 60129
Bronte CT 9 19172 79301
Santa Maria di Licodia CT 11 7641 86942
Ragalna CT 13 3924 90866
Centuripe EN 13 5470 96336
Maletto CT 14 3920 100256
PaternĂ² CT 16 48228 148484
Maniace CT 17 3765 152249
Belpasso CT 18 28108 180357
Regalbuto EN 18 7277 187634
CesarĂ² ME 19 2439 190073
San Teodoro ME 20 1403 191476
Nicolosi CT 20 7463 198939

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Acireale (52622 inhabitants)
32 Km NW of Catania (314555 inhabitants)
72 Km E of Caltanissetta (63360 inhabitants)
83 Km NW of Siracusa (122291 inhabitants)
83 Km SW of Messina (238439 inhabitants)
84 Km SW of Reggio di Calabria (183035 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
88 Km NE of Gela (75827 inhabitants)
88 Km N of Vittoria (63339 inhabitants)
95 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 2.3
ML-VAX 1.6
1990-05-18
17:14:59
37.709 14.836 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-18 17:14:59 ± 0.179
Latitude 37.7090 ± 0.0098
Longitude 14.8360 ± 0.0152
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119049

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) 1720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 119049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:30

ML:1.6

Field Value
Value 1.6
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 119049
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. 1990-05-18T17:15:34.00 10.0 undecidable manual SG 244 1.0101 -0.29 0.5
--.PZI.Z. 1990-05-18T17:15:23.00 10.0 undecidable manual SG 172 0.6549 0.38 0.6
--.GIB.Z. 1990-05-18T17:15:23.50 10.0 undecidable manual SG 293 0.6882 -0.35 0.6
--.ATN.Z. 1990-05-18T17:15:22.70 10.0 undecidable manual SG 47 0.666 -0.2 0.7
--.MEU.Z. 1990-05-18T17:15:21.81 10.0 undecidable manual SG 180 0.5883 1.16 0.1
--.FAI.Z. 1990-05-18T17:15:20.50 10.0 undecidable manual PG 244 1.0101 0.89 0.4
--.SA1.Z. 1990-05-18T17:15:16.74 10.0 undecidable manual PG 359 0.8436 0.27 1.5
--.GIB.Z. 1990-05-18T17:15:13.50 10.0 undecidable manual PG 293 0.6882 -0.08 1.9
--.ATN.Z. 1990-05-18T17:15:13.50 10.0 undecidable manual PG 47 0.666 0.47 1.3
--.PZI.Z. 1990-05-18T17:15:12.20 10.0 undecidable manual PG 172 0.6549 -0.67 0.9
--.MEU.Z. 1990-05-18T17:15:11.90 10.0 undecidable manual PG 180 0.5883 -0.64 1
--.MNO.Z. 1990-05-18T17:15:10.16 10.0 undecidable manual SG 333 0.2442 0.66 0.4
--.MNO.Z. 1990-05-18T17:15:04.89 10.0 positive manual PG 333 0.2442 -0.4 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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