Earthquake with magnitude of Md 2.2 on date 20-01-1990 and time 09:14:55 (Italy) in region 5 km N Adrano (CT)

A magnitude Md 2.2 earthquake occured in region: 5 km N Adrano (CT), on

  • 20-01-1990 08:14:55 (UTC)
  • 20-01-1990 09:14:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7090, 14.8250 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 12 7641 86942
Centuripe EN 12 5470 92412
Ragalna CT 13 3924 96336
Maletto CT 14 3920 100256
PaternĂ² CT 16 48228 148484
Maniace CT 17 3765 152249
Regalbuto EN 17 7277 159526
CesarĂ² ME 18 2439 161965
Belpasso CT 19 28108 190073
San Teodoro ME 19 1403 191476
Catenanuova EN 20 4866 196342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
71 Km E of Caltanissetta (63360 inhabitants)
83 Km NW of Siracusa (122291 inhabitants)
84 Km SW of Messina (238439 inhabitants)
85 Km SW of Reggio di Calabria (183035 inhabitants)
87 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 2.2 1990-01-20
08:14:55
37.709 14.825 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 108219
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-20 08:14:55 ± 0.119
Latitude 37.7090 ± 0.0061
Longitude 14.8250 ± 0.0183
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 108219

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) 1749.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00219
Epicentral distance of station farthest from the epicenter (degree) 0.00599
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 108219
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:40:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZI.Z. 1990-01-20T08:15:19.55 10.0 undecidable manual SG 171 0.6549 0.63 0
--.MEU.Z. 1990-01-20T08:15:16.76 10.0 undecidable manual SG 179 0.5883 -0.15 0.6
--.ATN.Z. 1990-01-20T08:15:09.44 10.0 undecidable manual PG 47 0.666 0.02 1.7
--.MEU.Z. 1990-01-20T08:15:08.10 10.0 undecidable manual PG 179 0.5883 0.01 1.8
--.PZI.Z. 1990-01-20T08:15:08.93 10.0 undecidable manual PG 171 0.6549 -0.23 1.1
--.MNO.Z. 1990-01-20T08:15:06.50 10.0 undecidable manual SG 335 0.2442 0.39 0.2
--.MNO.Z. 1990-01-20T08:15:01.35 10.0 undecidable manual PG 335 0.2442 -0.15 1.6
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