Earthquake with magnitude of Md 2.2 on date 20-01-1990 and time 08:14:11 (UTC) in region 10 km NE Biancavilla (CT)

A magnitude Md 2.2 earthquake occured in region: 10 km NE Biancavilla (CT), on

  • 20-01-1990 08:14:11 (UTC)
  • 20-01-1990 09:14:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7220, 14.9190 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
Biancavilla CT 10 24007 24007
Adrano CT 10 36122 60129
Ragalna CT 10 3924 64053
Bronte CT 11 19172 83225
Santa Maria di Licodia CT 12 7641 90866
Maletto CT 13 3920 94786
Nicolosi CT 15 7463 102249
Belpasso CT 15 28108 130357
PaternĂ² CT 16 48228 178585
Zafferana Etnea CT 17 9517 188102
Pedara CT 17 14102 202204
Milo CT 17 1087 203291
Randazzo CT 18 10900 214191
Trecastagni CT 18 10910 225101
Maniace CT 19 3765 228866
Camporotondo Etneo CT 19 5023 233889
San Pietro Clarenza CT 19 7743 241632
Centuripe EN 19 5470 247102
Santa Venerina CT 20 8592 255694
Viagrande CT 20 8563 264257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Acireale (52622 inhabitants)
28 Km NW of Catania (314555 inhabitants)
77 Km SW of Messina (238439 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
80 Km E of Caltanissetta (63360 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
90 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km NE of Gela (75827 inhabitants)
97 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
ML-VAX 1.7
1990-01-20
08:14:11
37.722 14.919 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 108209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1990-01-20 08:14:11 ± 0.141
Latitude 37.7220 ± 0.0076
Longitude 14.9190 ± 0.0148
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 108209

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) 1555.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00753
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:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 108209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:40:44

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 108209
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. 1990-01-20T08:14:35.25 10.0 undecidable manual SG 177 0.666 0.71 0.1
--.ATN.Z. 1990-01-20T08:14:32.58 10.0 undecidable manual SG 44 0.5994 -0.18 0.6
--.MEU.Z. 1990-01-20T08:14:32.70 10.0 undecidable manual SG 186 0.6105 -0.81 0.1
--.SA1.Z. 1990-01-20T08:14:28.46 10.0 undecidable manual PG 355 0.8325 0.52 0.5
--.PZI.Z. 1990-01-20T08:14:24.81 10.0 undecidable manual PG 177 0.666 0.13 1.6
--.MEU.Z. 1990-01-20T08:14:23.68 10.0 undecidable manual PG 186 0.6105 -0.04 1.8
--.ATN.Z. 1990-01-20T08:14:23.46 10.0 undecidable manual PG 44 0.5994 -0.2 1.5
--.MNO.Z. 1990-01-20T08:14:21.91 10.0 undecidable manual SG 319 0.2664 -0.06 1.1
--.MNO.Z. 1990-01-20T08:14:17.21 10.0 undecidable manual PG 319 0.2664 -0.22 1.5
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