Earthquake with magnitude of Md 2.2 on date 08-08-1989 and time 01:35:27 (Italy) in region 7 km E Villafranca Tirrena (ME)

A magnitude Md 2.2 earthquake occured in region: 7 km E Villafranca Tirrena (ME), on

  • 07-08-1989 23:35:27 (UTC)
  • 08-08-1989 01:35:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2550, 15.5120 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
Villafranca Tirrena ME 7 8584 8584
Messina ME 8 238439 247023
Saponara ME 10 3988 251011
Villa San Giovanni RC 12 13784 264795
Rometta ME 12 6650 271445
Spadafora ME 13 5021 276466
Venetico ME 13 3911 280377
Campo Calabro RC 14 4536 284913
Valdina ME 14 1355 286268
Roccavaldina ME 14 1133 287401
Monforte San Giorgio ME 16 2777 290178
Torregrotta ME 16 7431 297609
Fiumara RC 17 1018 298627
San Pier Niceto ME 18 2837 301464
Scilla RC 18 4964 306428
CondrĂ² ME 18 493 306921
Pace del Mela ME 20 6239 313160
Gualtieri SicaminĂ² ME 20 1807 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)
78 Km NE of Acireale (52622 inhabitants)
91 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 2.2
ML-VAX 1.5
1989-08-07
23:35:27
38.255 15.512 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 97049
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-08-07 23:35:27 ± 0.25
Latitude 38.2550 ± 0.0166
Longitude 15.5120 ± 0.0187
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 97049

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) 2463.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00818
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 97049
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:30:47

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 97049
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
--.GRI.Z. 1989-08-07T23:35:58.28 10.0 undecidable manual SG 51 0.9102 -0.19 0.3
--.GRI.Z. 1989-08-07T23:35:46.26 10.0 undecidable manual PG 51 0.9102 0.92 0.2
--.SOI.Z. 1989-08-07T23:35:42.93 10.0 undecidable manual SG 112 0.4551 -1.27 0
--.SA1.Z. 1989-08-07T23:35:40.23 10.0 undecidable manual PG 300 0.6105 0.34 0.9
--.MO9.Z. 1989-08-07T23:35:39.12 10.0 undecidable manual SG 150 0.2886 0.48 0.3
--.LPI.Z. 1989-08-07T23:35:37.29 10.0 undecidable manual PG 297 0.4995 -0.68 0.4
--.SOI.Z. 1989-08-07T23:35:36.90 10.0 positive manual PG 112 0.4551 -0.2 2.4
--.MO9.Z. 1989-08-07T23:35:34.60 10.0 positive manual PG 150 0.2886 0.17 2.4
--.ATN.Z. 1989-08-07T23:35:32.51 10.0 undecidable manual SG 201 0.0999 -0.19 0.5
--.ATN.Z. 1989-08-07T23:35:30.39 10.0 positive manual PG 201 0.0999 -0.06 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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