Earthquake with magnitude of Md 2.7 on date 16-06-1988 and time 11:39:05 (Italy) in region Costa Siracusana (Siracusa)

A magnitude Md 2.7 earthquake occured in region: Costa Siracusana (Siracusa), on

  • 16-06-1988 09:39:05 (UTC)
  • 16-06-1988 11:39:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.055, 15.454 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Siracusa SR 14 122291 122291

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km E of Siracusa (122291 inhabitants)
60 Km SE of Catania (314555 inhabitants)
65 Km E of Modica (54633 inhabitants)
66 Km E of Ragusa (73313 inhabitants)
67 Km SE of Acireale (52622 inhabitants)
82 Km E of Vittoria (63339 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 2.7
ML-VAX 2.0
1988-06-16
09:39:05
37.055 15.454 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 71759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-06-16 09:39:05 ± 0.907
Latitude 37.0550 ± 0.0526
Longitude 15.4540 ± 0.0433
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 71759

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) 6999.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 245
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) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00356
Epicentral distance of station farthest from the epicenter (degree) 0.01425
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:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 71759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:07:56

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 71759
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
--.ATN.Z. 1988-06-16T09:39:44.31 10.0 undecidable manual SN 0 0.0099 0.3 0.7
--.MNO.Z. 1988-06-16T09:39:43.50 10.0 undecidable manual SG 325 0.0096 0.54 0.6
--.SA1.Z. 1988-06-16T09:39:35.15 10.0 undecidable manual PN 341 0.0142 0.62 1.2
--.MNO.Z. 1988-06-16T09:39:27.53 10.0 undecidable manual PG 325 0.0096 0.21 1.8
--.ATN.Z. 1988-06-16T09:39:27.50 10.0 undecidable manual PN 0 0.0099 -0.41 1.7
--.SOI.Z. 1988-06-16T09:39:27.50 10.0 undecidable manual PN 24 0.01 -0.7 1.4
--.PZI.Z. 1988-06-16T09:39:22.48 10.0 undecidable manual SG 269 0.0036 0.87 0.6
--.MEU.Z. 1988-06-16T09:39:22.70 10.0 undecidable manual SG 276 0.0045 -2.8 0
--.MEU.Z. 1988-06-16T09:39:17.42 10.0 undecidable manual PG? 276 0.0045 0.55 0.7
--.PZI.Z. 1988-06-16T09:39:16.40 10.0 undecidable manual PG 269 0.0036 1.05 1.2
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download