Earthquake with magnitude of Md 2.2 on date 30-10-1989 and time 17:31:00 (UTC) in region Costa Siciliana nord orientale (Messina)

A magnitude Md 2.2 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 30-10-1989 17:31:00 (UTC)
  • 30-10-1989 18:31:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3350, 15.4860 at 133 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 12 8584 8584
Spadafora ME 16 5021 13605
Saponara ME 16 3988 17593
Venetico ME 17 3911 21504
Messina ME 17 238439 259943
Villa San Giovanni RC 18 13784 273727
Valdina ME 19 1355 275082
Rometta ME 19 6650 281732
Roccavaldina ME 19 1133 282865
Torregrotta ME 20 7431 290296

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Messina (238439 inhabitants)
29 Km NW of Reggio di Calabria (183035 inhabitants)
85 Km NE of Acireale (52622 inhabitants)
99 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 1989-10-30
17:31:00
38.335 15.486 133 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 103309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-10-30 17:31:00 ± 0.483
Latitude 38.3350 ± 0.0250
Longitude 15.4860 ± 0.1299
Depth (km) 133 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 103309

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) 11664.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 267
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 103309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:36:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CZI.Z. 1989-10-30T17:31:40.60 10.0 undecidable manual S 29 1.0101 -0.25 0.5
--.FE2.Z. 1989-10-30T17:31:35.20 10.0 undecidable manual S 122 0.5439 0.67 0.1
--.SOI.Z. 1989-10-30T17:31:33.76 10.0 undecidable manual S 120 0.5106 -0.36 0.5
--.GA2.Z. 1989-10-30T17:31:32.40 10.0 undecidable manual S 121 0.3108 -0.05 0.9
--.CZI.Z. 1989-10-30T17:31:23.80 10.0 undecidable manual P 29 1.0101 0.18 1.4
--.FE2.Z. 1989-10-30T17:31:20.15 10.0 undecidable manual P 122 0.5439 0.18 1.9
--.SOI.Z. 1989-10-30T17:31:19.23 10.0 undecidable manual P 120 0.5106 -0.5 0.7
--.GA2.Z. 1989-10-30T17:31:18.88 10.0 undecidable manual P 121 0.3108 0.12 2.1
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