Earthquake with magnitude of Md 2.8 on date 29-09-1988 and time 03:36:11 (UTC) in region Tirreno Meridionale (MARE)

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

  • 29-09-1988 03:36:11 (UTC)
  • 29-09-1988 04:36:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.679, 15.352 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
89 Km NW of Cosenza (67546 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 2.8
ML-VAX 2.3
1988-09-29
03:36:11
39.679 15.352 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 77939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-09-29 03:36:11 ± 0.251
Latitude 39.6790 ± 0.0100
Longitude 15.3520 ± 0.0263
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 77939

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) 2515.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00429
Epicentral distance of station farthest from the epicenter (degree) 0.01554
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 77939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:20

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 77939
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
--.FE2.Z. 1988-09-29T03:36:42.74 10.0 undecidable manual PN 160 0.0155 0.77 0.2
--.SGO.Z. 1988-09-29T03:36:42.00 10.0 undecidable manual SG 357 0.0079 -0.45 0.3
--.GA2.Z. 1988-09-29T03:36:39.52 10.0 undecidable manual PN 166 0.0139 0.04 1.2
--.SE2.Z. 1988-09-29T03:36:34.82 10.0 undecidable manual PN 122 0.0113 -0.52 0.6
--.MGR.Z. 1988-09-29T03:36:30.14 10.0 undecidable manual SG 18 0.0043 0.43 0.4
--.ROI.Z. 1988-09-29T03:36:30.62 10.0 undecidable manual PG 96 0.0084 0.22 1.4
--.SGO.Z. 1988-09-29T03:36:29.00 10.0 undecidable manual PG 357 0.0079 -0.29 1.2
--.CSI.Z. 1988-09-29T03:36:26.78 10.0 undecidable manual PG 81 0.0066 0.28 1.2
--.CZI.Z. 1988-09-29T03:36:26.64 10.0 undecidable manual PG 127 0.0068 -0.38 2
--.MGR.Z. 1988-09-29T03:36:22.80 10.0 undecidable manual PG 18 0.0043 0.15 1.5
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