Earthquake with magnitude of Md 2.8 on date 27-02-1989 and time 10:22:04 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 2.8 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 27-02-1989 09:22:04 (UTC)
  • 27-02-1989 10:22:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.58, 15.92 at 14 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
64 Km SE of Reggio di Calabria (183035 inhabitants)
67 Km E of Acireale (52622 inhabitants)
74 Km E of Catania (314555 inhabitants)
76 Km SE of Messina (238439 inhabitants)
80 Km NE of Siracusa (122291 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
Rev 1000 Md 2.8
ML-VAX 2.2
1989-02-27
09:22:04
37.58 15.93 14 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 87639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-27 09:22:04 ± 0.693
Latitude 37.58 ± 0.04
Longitude 15.93 ± 0.06
Depth (km) 14 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87639

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) 6642.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00421
Epicentral distance of station farthest from the epicenter (degree) 0.01886
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 87639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:22:14

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 87639
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 Takeoff_angle Residual Weight
--.MNO.Z. 1989-02-27T09:22:39.00 10.0 undecidable manual SN 290 0.0092 -0.07 0.5
--.TDS.Z. 1989-02-27T09:22:39.31 10.0 undecidable manual PN 8 0.0189 0.07 0.9
--.MEU.Z. 1989-02-27T09:22:37.34 10.0 undecidable manual SN 242 0.0088 -0.67 0.4
--.PZI.Z. 1989-02-27T09:22:37.50 10.0 undecidable manual SN 236 0.0084 0.69 0.4
--.SE2.Z. 1989-02-27T09:22:29.80 10.0 undecidable manual PN? 23 0.0139 -2.66 0
--.GRI.Z. 1989-02-27T09:22:28.72 10.0 undecidable manual PN 17 0.0117 0.5 0.9
--.MNO.Z. 1989-02-27T09:22:24.00 10.0 undecidable manual PN 290 0.0092 -0.57 1
--.RI2.Z. 1989-02-27T09:22:24.88 10.0 undecidable manual PN 27 0.0085 1.52 0.2
--.MEU.Z. 1989-02-27T09:22:23.27 10.0 undecidable manual PN 242 0.0088 -0.69 0.9
--.PZI.Z. 1989-02-27T09:22:23.51 10.0 positive manual PN 236 0.0084 0.25 2.6
--.SOI.Z. 1989-02-27T09:22:21.93 10.0 undecidable manual SG 11 0.0045 -0.91 0.2
--.ATN.Z. 1989-02-27T09:22:19.63 10.0 undecidable manual PG 327 0.0061 1.08 0.5
--.SC9.Z. 1989-02-27T09:22:18.42 10.0 undecidable manual PG 346 0.0062 -0.35 1.2
--.GA2.Z. 1989-02-27T09:22:17.80 10.0 negative manual PG 352 0.0053 0.22 2.7
--.SOI.Z. 1989-02-27T09:22:14.52 10.0 undecidable manual PG 11 0.0045 -0.68 0.9
--.FE2.Z. 1989-02-27T09:22:14.62 10.0 negative manual PG 15 0.0042 -0.07 2.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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