Earthquake with magnitude of Md 2.2 on date 23-09-1989 and time 09:13:38 (UTC) in region 5 km W Floresta (ME)

A magnitude Md 2.2 earthquake occured in region: 5 km W Floresta (ME), on

  • 23-09-1989 09:13:38 (UTC)
  • 23-09-1989 11:13:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9780, 14.8530 at 9 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
Floresta ME 5 485 485
Tortorici ME 6 6435 6920
Ucria ME 8 1058 7978
Galati Mamertino ME 10 2627 10605
Raccuja ME 10 1041 11646
Longi ME 10 1473 13119
Santa Domenica Vittoria ME 12 980 14099
Sinagra ME 12 2705 16804
San Salvatore di Fitalia ME 12 1319 18123
Castell'Umberto ME 13 3128 21251
San Piero Patti ME 13 2915 24166
Maniace CT 13 3765 27931
Randazzo CT 14 10900 38831
Alcara li Fusi ME 14 1980 40811
Frazzanò ME 14 711 41522
Roccella Valdemone ME 15 666 42188
Mirto ME 15 974 43162
Ficarra ME 15 1469 44631
Montalbano Elicona ME 15 2287 46918
Sant'Angelo di Brolo ME 15 3090 50008
Librizzi ME 16 1660 51668
Maletto CT 16 3920 55588
Naso ME 17 3813 59401
San Marco d'Alunzio ME 17 1996 61397
Militello Rosmarino ME 17 1324 62721
Malvagna ME 19 733 63454
Cesarò ME 19 2439 65893
Montagnareale ME 19 1615 67508
Capri Leone ME 19 4515 72023
Moio Alcantara ME 19 717 72740
San Teodoro ME 20 1403 74143
Torrenova ME 20 4386 78529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Acireale (52622 inhabitants)
57 Km NW of Catania (314555 inhabitants)
66 Km W of Messina (238439 inhabitants)
71 Km W of Reggio di Calabria (183035 inhabitants)
88 Km NE 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 2.2
ML-VAX 2.1
1989-09-23
09:13:38
37.978 14.853 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 100079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-23 09:13:38 ± 1.632
Latitude 37.9780 ± 0.0811
Longitude 14.8530 ± 0.0820
Depth (km) 9 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 100079

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) 11535.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 264
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) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.00826
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 100079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:33:27

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 100079
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
--.MEU.Z. 1989-09-23T09:14:06.61 10.0 undecidable manual SG 181 0.8658 -1.75 0
--.GIB.Z. 1989-09-23T09:14:02.50 10.0 undecidable manual SG 271 0.6438 1.05 0.3
--.PZI.Z. 1989-09-23T09:13:57.40 10.0 undecidable manual PG 175 0.9213 0.61 1.1
--.MEU.Z. 1989-09-23T09:13:56.29 10.0 undecidable manual PG 181 0.8658 0.59 1.1
--.GIB.Z. 1989-09-23T09:13:51.00 10.0 undecidable manual PG 271 0.6438 -0.71 1.2
--.MNO.Z. 1989-09-23T09:13:44.75 10.0 undecidable manual SG 250 0.1221 0.39 0.6
--.MNO.Z. 1989-09-23T09:13:41.22 10.0 positive manual PG 250 0.1221 -0.63 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download