Earthquake with magnitude of Md 2.2 on date 16-08-1989 and time 02:45:48 (Italy) in region 8 km NW Milo (CT)

A magnitude Md 2.2 earthquake occured in region: 8 km NW Milo (CT), on

  • 16-08-1989 00:45:48 (UTC)
  • 16-08-1989 02:45:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7680, 15.0480 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
Milo CT 8 1087 1087
Sant'Alfio CT 9 1582 2669
Zafferana Etnea CT 9 9517 12186
Linguaglossa CT 12 5403 17589
Santa Venerina CT 12 8592 26181
Piedimonte Etneo CT 12 3963 30144
Giarre CT 13 27659 57803
Mascali CT 13 14282 72085
Riposto CT 14 14838 86923
Fiumefreddo di Sicilia CT 14 9623 96546
Castiglione di Sicilia CT 15 3215 99761
Moio Alcantara ME 15 717 100478
Randazzo CT 15 10900 111378
Pedara CT 17 14102 125480
Francavilla di Sicilia ME 17 3945 129425
Trecastagni CT 17 10910 140335
Malvagna ME 17 733 141068
Calatabiano CT 17 5308 146376
Nicolosi CT 17 7463 153839
Maletto CT 17 3920 157759
Viagrande CT 18 8563 166322
Ragalna CT 18 3924 170246
Motta Camastra ME 18 845 171091
Santa Domenica Vittoria ME 18 980 172071
Gaggi ME 19 3184 175255
Roccella Valdemone ME 19 666 175921
Bronte CT 19 19172 195093
Aci Sant'Antonio CT 19 17984 213077
Aci Bonaccorsi CT 20 3524 216601

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
30 Km N of Catania (314555 inhabitants)
65 Km SW of Reggio di Calabria (183035 inhabitants)
65 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
98 Km N of Ragusa (73313 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 1989-08-16
00:45:48
37.768 15.048 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 97709
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-08-16 00:45:48 ± 0.227
Latitude 37.7680 ± 0.0163
Longitude 15.0480 ± 0.0199
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 97709

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) 2514.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00291
Epicentral distance of station farthest from the epicenter (degree) 0.00761
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 97709
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:31:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.PZI.Z. 1989-08-16T00:46:12.60 10.0 undecidable manual SG 186 0.7104 -0.46 0.5
--.MO9.Z. 1989-08-16T00:46:07.00 10.0 undecidable manual SG 64 0.555 -1.08 0.1
--.SOI.Z. 1989-08-16T00:46:04.69 10.0 undecidable manual PG 68 0.8436 -0.34 1.3
--.PZI.Z. 1989-08-16T00:46:02.82 10.0 undecidable manual PG 186 0.7104 0.28 1.5
--.MO9.Z. 1989-08-16T00:45:59.74 10.0 undecidable manual PG 64 0.555 0.08 1.9
--.ATN.Z. 1989-08-16T00:45:59.50 10.0 undecidable manual PG 39 0.4995 0.8 0.6
--.MNO.Z. 1989-08-16T00:45:59.54 10.0 undecidable manual SG 300 0.3219 -0.94 0.2
--.MNO.Z. 1989-08-16T00:45:55.45 10.0 undecidable manual PG 300 0.3219 0.18 1.9
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