Earthquake with magnitude of Md 2.1 on date 21-05-1990 and time 19:49:32 (Italy) in region 4 km W Linguaglossa (CT)

A magnitude Md 2.1 earthquake occured in region: 4 km W Linguaglossa (CT), on

  • 21-05-1990 17:49:32 (UTC)
  • 21-05-1990 19:49:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8510, 15.1000 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
Linguaglossa CT 4 5403 5403
Castiglione di Sicilia CT 4 3215 8618
Francavilla di Sicilia ME 7 3945 12563
Moio Alcantara ME 7 717 13280
Motta Camastra ME 8 845 14125
Piedimonte Etneo CT 8 3963 18088
Malvagna ME 9 733 18821
Gaggi ME 11 3184 22005
Fiumefreddo di Sicilia CT 12 9623 31628
Calatabiano CT 12 5308 36936
Graniti ME 12 1492 38428
Roccella Valdemone ME 12 666 39094
Sant'Alfio CT 12 1582 40676
Mascali CT 13 14282 54958
Randazzo CT 14 10900 65858
Santa Domenica Vittoria ME 14 980 66838
Milo CT 14 1087 67925
Giarre CT 15 27659 95584
Castelmola ME 16 1088 96672
Giardini-Naxos ME 16 9415 106087
Riposto CT 16 14838 120925
Taormina ME 16 10960 131885
Fondachelli-Fantina ME 17 1019 132904
Mongiuffi Melia ME 17 600 133504
Roccafiorita ME 17 197 133701
Zafferana Etnea CT 17 9517 143218
Gallodoro ME 18 367 143585
Limina ME 18 836 144421
Santa Venerina CT 18 8592 153013
Letojanni ME 19 2861 155874
Novara di Sicilia ME 19 1337 157211
Antillo ME 19 919 158130

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Acireale (52622 inhabitants)
39 Km N of Catania (314555 inhabitants)
55 Km SW of Messina (238439 inhabitants)
56 Km SW of Reggio di Calabria (183035 inhabitants)
90 Km N of Siracusa (122291 inhabitants)
100 Km E of Caltanissetta (63360 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 2.1
ML-VAX 1.7
1990-05-21
17:49:32
37.851 15.1 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 119299
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-05-21 17:49:32 ± 0.235
Latitude 37.8510 ± 0.0161
Longitude 15.1000 ± 0.0312
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 119299

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) 3272.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00923
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:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 119299
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:50:45

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 119299
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
--.DR2.Z. 1990-05-21T17:50:07.50 10.0 undecidable manual SG 39 1.0212 0.52 0.2
--.PZI.Z. 1990-05-21T17:50:00.63 10.0 undecidable manual SG 188 0.7992 0.78 0
--.MEU.Z. 1990-05-21T17:49:58.40 10.0 undecidable manual SG 196 0.7659 -0.34 0.4
--.DR2.Z. 1990-05-21T17:49:51.82 10.0 undecidable manual PG 39 1.0212 -0.41 0.7
--.MO9.Z. 1990-05-21T17:49:49.30 10.0 undecidable manual SG 72 0.4884 -0.5 0.2
--.PZI.Z. 1990-05-21T17:49:48.20 10.0 undecidable manual PG 188 0.7992 -0.1 1.6
--.FE2.Z. 1990-05-21T17:49:48.20 10.0 undecidable manual PG 76 0.7881 0.16 1.5
--.ATN.Z. 1990-05-21T17:49:47.42 10.0 undecidable manual SG 43 0.4107 -0.04 0.7
--.MEU.Z. 1990-05-21T17:49:47.38 10.0 undecidable manual PG 196 0.7659 -0.11 1.6
--.GA2.Z. 1990-05-21T17:49:45.90 10.0 undecidable manual PG 61 0.6438 0.54 0.5
--.ATN.Z. 1990-05-21T17:49:41.30 10.0 positive manual PG 43 0.4107 0.06 3.5
--.MO9.Z. 1990-05-21T17:49:41.93 10.0 undecidable manual PG 72 0.4884 -0.39 0.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download