Earthquake with magnitude of Md 2.6 on date 20-09-1989 and time 19:57:51 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 2.6 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 20-09-1989 17:57:51 (UTC)
  • 20-09-1989 19:57:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.259, 15.903 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
58 Km E of Siracusa (122291 inhabitants)
76 Km SE of Acireale (52622 inhabitants)
77 Km E of Catania (314555 inhabitants)
97 Km S of Reggio di Calabria (183035 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 2.6
ML-VAX 2.2
1989-09-20
17:57:51
37.259 15.903 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 99879
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-20 17:57:51 ± 1.044
Latitude 37.2590 ± 0.0569
Longitude 15.9030 ± 0.0835
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 99879

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) 9727.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 240
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.0068
Epicentral distance of station farthest from the epicenter (degree) 0.02995
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 99879
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:33:17

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 99879
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
--.MGR.Z. 1989-09-20T17:59:10.22 10.0 undecidable manual SN 354 0.026 -0.93 0.2
--.SGO.Z. 1989-09-20T17:58:45.00 10.0 undecidable manual PN 351 0.03 1.26 0.3
--.MGR.Z. 1989-09-20T17:58:36.93 10.0 undecidable manual PN 354 0.026 -0.75 0.6
--.CZI.Z. 1989-09-20T17:58:23.86 10.0 negative manual PN 4 0.0176 -1.15 0.4
--.GIB.Z. 1989-09-20T17:58:21.50 10.0 undecidable manual PN 296 0.0149 0.77 0.9
--.GRI.Z. 1989-09-20T17:58:21.50 10.0 undecidable manual PN 13 0.0145 1.32 0.4
--.SOI.Z. 1989-09-20T17:58:20.25 10.0 undecidable manual SG 7 0.0074 -0.03 0.6
--.MEU.Z. 1989-09-20T17:58:20.29 10.0 undecidable manual SG 259 0.0078 -1.42 0.1
--.PZI.Z. 1989-09-20T17:58:20.38 10.0 undecidable manual SG 254 0.007 1.19 0.2
--.SA1.Z. 1989-09-20T17:58:19.51 10.0 undecidable manual PN 326 0.0139 0.19 1.4
--.MNO.Z. 1989-09-20T17:58:15.50 10.0 undecidable manual PN 304 0.0105 1.42 0.3
--.GMB.Z. 1989-09-20T17:58:09.35 10.0 undecidable manual PG 355 0.0082 -0.59 1.1
--.GA2.Z. 1989-09-20T17:58:09.86 10.0 negative manual PG 355 0.0082 -0.08 2.9
--.MEU.Z. 1989-09-20T17:58:08.40 10.0 undecidable manual PG 259 0.0078 -0.74 0.9
--.PZI.Z. 1989-09-20T17:58:07.40 10.0 positive manual PG 254 0.007 -0.28 2.8
--.MO9.Z. 1989-09-20T17:58:07.82 10.0 undecidable manual PG 346 0.0068 0.66 1.1
--.SOI.Z. 1989-09-20T17:58:07.51 10.0 undecidable manual PG 7 0.0074 -0.8 0.9
--.FE2.Z. 1989-09-20T17:58:07.70 10.0 negative manual PG 9 0.0071 -0.06 3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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