Earthquake with magnitude of Md 2.4 on date 17-05-1990 and time 22:09:09 (Italy) in region 7 km NW Adrano (CT)

A magnitude Md 2.4 earthquake occured in region: 7 km NW Adrano (CT), on

  • 17-05-1990 20:09:09 (UTC)
  • 17-05-1990 22:09:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7070, 14.7730 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 7 36122 36122
Centuripe EN 10 5470 41592
Bronte CT 11 19172 60764
Biancavilla CT 11 24007 84771
Regalbuto EN 13 7277 92048
Santa Maria di Licodia CT 14 7641 99689
Maletto CT 16 3920 103609
CesarĂ² ME 16 2439 106048
Ragalna CT 17 3924 109972
Catenanuova EN 17 4866 114838
San Teodoro ME 17 1403 116241
Troina EN 18 9373 125614
Maniace CT 18 3765 129379
PaternĂ² CT 18 48228 177607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Catania (314555 inhabitants)
36 Km W of Acireale (52622 inhabitants)
67 Km E of Caltanissetta (63360 inhabitants)
85 Km NE of Gela (75827 inhabitants)
85 Km NW of Siracusa (122291 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
87 Km N of Ragusa (73313 inhabitants)
88 Km SW of Messina (238439 inhabitants)
89 Km SW of Reggio di Calabria (183035 inhabitants)
94 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 2.4
ML-VAX 1.9
1990-05-17
20:09:09
37.707 14.773 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 118859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-17 20:09:09 ± 0.217
Latitude 37.7070 ± 0.0094
Longitude 14.7730 ± 0.0298
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 118859

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) 2817.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00210
Epicentral distance of station farthest from the epicenter (degree) 0.00769
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 118859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:20

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 118859
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
--.PZI.Z. 1990-05-17T20:09:33.12 10.0 undecidable manual SG 167 0.666 0.69 0.1
--.ATN.Z. 1990-05-17T20:09:33.50 10.0 undecidable manual SG 50 0.6993 -0.22 0.5
--.MEU.Z. 1990-05-17T20:09:30.38 10.0 undecidable manual SG 175 0.5883 0.14 0.6
--.SA1.Z. 1990-05-17T20:09:26.61 10.0 undecidable manual PG 3 0.8547 0.5 0.6
--.ATN.Z. 1990-05-17T20:09:23.28 10.0 undecidable manual PG 50 0.6993 -0.05 1.5
--.PZI.Z. 1990-05-17T20:09:22.38 10.0 positive manual PG 167 0.666 -0.2 2.8
--.MEU.Z. 1990-05-17T20:09:21.12 10.0 undecidable manual PG 175 0.5883 -0.2 1.5
--.MNO.Z. 1990-05-17T20:09:17.44 10.0 undecidable manual SG 344 0.2331 -1.13 0
--.MNO.Z. 1990-05-17T20:09:14.94 10.0 undecidable manual PG 344 0.2331 0.36 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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