Earthquake with magnitude of Md 2.9 on date 18-05-1988 and time 04:38:47 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude Md 2.9 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 18-05-1988 02:38:47 (UTC)
  • 18-05-1988 04:38:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.41, 15.79 at 5 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
59 Km NE of Siracusa (122291 inhabitants)
60 Km E of Acireale (52622 inhabitants)
63 Km E of Catania (314555 inhabitants)
79 Km S of Reggio di Calabria (183035 inhabitants)
90 Km S of Messina (238439 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 2.9
ML-VAX 2.1
1988-05-18
02:38:47
37.41 15.79 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 69539
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-18 02:38:47 ± 0.788
Latitude 37.41 ± 0.02
Longitude 15.79 ± 0.04
Depth (km) 5 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 69539

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) 4096.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 223
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
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) 0.00534
Epicentral distance of station farthest from the epicenter (degree) 0.02453
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 69539
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:05:49

ML:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 7
Type of magnitude ML
Reference to an origin 69539
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. 1988-05-18T02:40:03.50 10.0 undecidable manual SN 356 0.0245 -0.6 0.2
--.MGR.Z. 1988-05-18T02:39:32.00 10.0 undecidable manual PN 356 0.0245 0.33 0.9
--.TDS.Z. 1988-05-18T02:39:26.00 10.0 undecidable manual PN 10 0.0206 0.42 1
--.MNO.Z. 1988-05-18T02:39:23.43 10.0 undecidable manual SG 301 0.0091 0.67 0.4
--.CZI.Z. 1988-05-18T02:39:20.45 10.0 undecidable manual PN 8 0.0164 1.21 0.4
--.FAI.Z. 1988-05-18T02:39:19.21 10.0 undecidable manual PN 265 0.0152 1.8 0.1
--.PZI.Z. 1988-05-18T02:39:15.50 10.0 undecidable manual SG 242 0.0068 0.85 0.4
--.ATN.Z. 1988-05-18T02:39:15.18 10.0 undecidable manual SG 340 0.0071 -0.43 0.5
--.GRI.Z. 1988-05-18T02:39:14.65 10.0 undecidable manual PN 18 0.0134 -0.03 1.4
--.MEU.Z. 1988-05-18T02:39:14.77 10.0 undecidable manual SG 248 0.0074 -1.84 0
--.SA1.Z. 1988-05-18T02:39:12.66 10.0 undecidable manual PN 326 0.0124 -0.42 1.2
--.SOI.Z. 1988-05-18T02:39:11.60 10.0 undecidable manual SG 17 0.0062 -0.86 0.3
--.MO9.Z. 1988-05-18T02:39:08.63 10.0 undecidable manual SG 352 0.0053 -0.71 0.4
--.MNO.Z. 1988-05-18T02:39:08.66 10.0 undecidable manual PG 301 0.0091 0.87 0.9
--.ATN.Z. 1988-05-18T02:39:04.50 10.0 undecidable manual PG 340 0.0071 0.38 1.5
--.MEU.Z. 1988-05-18T02:39:03.64 10.0 positive manual PG 248 0.0074 -0.61 2.1
--.GMB.Z. 1988-05-18T02:39:02.70 10.0 undecidable manual PG 1 0.0068 -0.33 1.4
--.PZI.Z. 1988-05-18T02:39:02.93 10.0 positive manual PG 242 0.0068 -0.18 3
--.SOI.Z. 1988-05-18T02:39:01.47 10.0 positive manual PG 17 0.0062 -0.38 2.6
--.MO9.Z. 1988-05-18T02:39:00.57 10.0 undecidable manual PG 352 0.0053 0.52 1.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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