Earthquake with magnitude of Md 2.5 on date 02-05-1990 and time 00:04:13 (Italy) in region 2 km NE Adrano (CT)

A magnitude Md 2.5 earthquake occured in region: 2 km NE Adrano (CT), on

  • 01-05-1990 22:04:13 (UTC)
  • 02-05-1990 00:04:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6830, 14.8460 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
Adrano CT 3 36122 36122
Biancavilla CT 5 24007 60129
Santa Maria di Licodia CT 8 7641 67770
Ragalna CT 10 3924 71694
Centuripe EN 11 5470 77164
Bronte CT 12 19172 96336
PaternĂ² CT 13 48228 144564
Belpasso CT 15 28108 172672
Maletto CT 17 3920 176592
Nicolosi CT 18 7463 184055
Regalbuto EN 18 7277 191332
Catenanuova EN 19 4866 196198
Camporotondo Etneo CT 19 5023 201221
San Pietro Clarenza CT 20 7743 208964

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Catania (314555 inhabitants)
29 Km W of Acireale (52622 inhabitants)
72 Km E of Caltanissetta (63360 inhabitants)
80 Km NW of Siracusa (122291 inhabitants)
84 Km SW of Messina (238439 inhabitants)
85 Km SW of Reggio di Calabria (183035 inhabitants)
85 Km N of Ragusa (73313 inhabitants)
86 Km NE of Vittoria (63339 inhabitants)
86 Km NE of Gela (75827 inhabitants)
92 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 1.7
1990-05-01
22:04:13
37.683 14.846 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 115709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-01 22:04:13 ± 0.153
Latitude 37.6830 ± 0.0082
Longitude 14.8460 ± 0.0184
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 115709

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) 1860.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00664
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 115709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:47:35

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 115709
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
--.MO9.Z. 1990-05-01T22:04:40.93 10.0 undecidable manual SG 64 0.7326 0.93 0.1
--.GIB.Z. 1990-05-01T22:04:40.00 10.0 undecidable manual SG 295 0.7104 0.8 0.1
--.ATN.Z. 1990-05-01T22:04:38.75 10.0 undecidable manual SG 45 0.6771 0.72 0.2
--.PZI.Z. 1990-05-01T22:04:36.86 10.0 undecidable manual SG 172 0.6327 0.36 0.5
--.MEU.Z. 1990-05-01T22:04:34.36 10.0 undecidable manual SG 181 0.5661 -0.2 0.6
--.MO9.Z. 1990-05-01T22:04:28.14 10.0 undecidable manual PG 64 0.7326 -0.59 0.6
--.GIB.Z. 1990-05-01T22:04:28.50 10.0 undecidable manual PG 295 0.7104 0.23 1.2
--.ATN.Z. 1990-05-01T22:04:27.40 10.0 undecidable manual PG 45 0.6771 -0.2 1.5
--.PZI.Z. 1990-05-01T22:04:26.73 10.0 undecidable manual PG 172 0.6327 0.02 1.8
--.MEU.Z. 1990-05-01T22:04:25.56 10.0 undecidable manual PG 181 0.5661 -0.03 1.8
--.MNO.Z. 1990-05-01T22:04:19.26 10.0 positive manual PG 334 0.2664 -0.34 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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