Earthquake with magnitude of Md 2.3 on date 12-08-1989 and time 00:41:33 (UTC) in region 6 km E Villafranca Tirrena (ME)

A magnitude Md 2.3 earthquake occured in region: 6 km E Villafranca Tirrena (ME), on

  • 12-08-1989 00:41:33 (UTC)
  • 12-08-1989 02:41:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2470, 15.4990 at 58 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
Villafranca Tirrena ME 6 8584 8584
Messina ME 8 238439 247023
Saponara ME 8 3988 251011
Rometta ME 11 6650 257661
Spadafora ME 11 5021 262682
Venetico ME 12 3911 266593
Villa San Giovanni RC 13 13784 280377
Valdina ME 13 1355 281732
Roccavaldina ME 13 1133 282865
Torregrotta ME 14 7431 290296
Monforte San Giorgio ME 14 2777 293073
Campo Calabro RC 14 4536 297609
San Pier Niceto ME 16 2837 300446
CondrĂ² ME 17 493 300939
Fiumara RC 17 1018 301957
Gualtieri SicaminĂ² ME 18 1807 303764
Pace del Mela ME 18 6239 310003
Scilla RC 19 4964 314967
Reggio di Calabria RC 20 183035 498002

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km NW of Messina (238439 inhabitants)
20 Km NW of Reggio di Calabria (183035 inhabitants)
76 Km NE of Acireale (52622 inhabitants)
90 Km NE of Catania (314555 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 2.3
ML-VAX 1.5
1989-08-12
00:41:33
38.247 15.499 59 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 97229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-08-12 00:41:33 ± 0.634
Latitude 38.2470 ± 0.0339
Longitude 15.4990 ± 0.0261
Depth (km) 59 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 97229

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) 4403.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00081
Epicentral distance of station farthest from the epicenter (degree) 0.00826
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 97229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:30:56

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 97229
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
--.SA1.Z. 1989-08-12T00:41:57.29 10.0 undecidable manual S 301 0.5994 0.49 0
--.MO9.Z. 1989-08-12T00:41:51.73 10.0 undecidable manual S 147 0.2886 0.51 0
--.GRI.Z. 1989-08-12T00:41:50.97 10.0 negative manual P 51 0.9213 0.04 1.7
--.ATN.Z. 1989-08-12T00:41:49.00 10.0 undecidable manual S 198 0.0888 -0.38 0.1
--.SA1.Z. 1989-08-12T00:41:46.96 10.0 undecidable manual P 301 0.5994 -0.13 1
--.SOI.Z. 1989-08-12T00:41:45.44 10.0 negative manual P 111 0.4662 -0.09 2.4
--.MO9.Z. 1989-08-12T00:41:44.10 10.0 negative manual P 147 0.2886 0.14 2.2
--.ATN.Z. 1989-08-12T00:41:42.50 10.0 undecidable manual P 198 0.0888 -0.31 0.5
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