Earthquake with magnitude of Md 2.4 on date 13-01-1989 and time 13:37:44 (UTC) in region Mar Ligure (MARE)

A magnitude Md 2.4 earthquake occured in region: Mar Ligure (MARE), on

  • 13-01-1989 13:37:44 (UTC)
  • 13-01-1989 14:37:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5470, 8.2020 at 17 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
45 Km SE of Sanremo (54807 inhabitants)
88 Km S of Savona (61345 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 2.4
M 2.7
1989-01-13
13:37:44
43.547 8.202 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 85259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-13 13:37:44 ± 0.657
Latitude 43.5470 ± 0.0323
Longitude 8.2020 ± 0.0566
Depth (km) 17 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 85259

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) 5809.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 318
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00380
Epicentral distance of station farthest from the epicenter (degree) 0.01117
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 85259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:20:02

M:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 85259
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:48:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.DOI.Z. 1989-01-13T13:38:23.40 10.0 undecidable manual SN 324 1.1655 1.51 0.1
--.PZZ.Z. 1989-01-13T13:38:23.50 10.0 undecidable manual SN 320 1.2432 0.08 0.6
--.STV.Z. 1989-01-13T13:38:15.50 10.0 undecidable manual SN 318 0.9324 -0.83 0.1
--.ROB.Z. 1989-01-13T13:38:11.60 10.0 undecidable manual SG 342 0.777 -0.59 0.5
--.FIN.Z. 1989-01-13T13:38:08.19 10.0 undecidable manual SG 0 0.6549 0.16 0.8
--.PZZ.Z. 1989-01-13T13:38:07.30 10.0 undecidable manual PN 320 1.2432 0.2 1.7
--.DOI.Z. 1989-01-13T13:38:05.70 10.0 undecidable manual PN 324 1.1655 -0.52 0.8
--.STV.Z. 1989-01-13T13:38:03.00 10.0 undecidable manual PN 318 0.9324 -0.01 2
--.IMI.Z. 1989-01-13T13:38:00.70 10.0 undecidable manual SG 328 0.4218 0.07 0.5
--.ROB.Z. 1989-01-13T13:38:00.70 10.0 undecidable manual PG 342 0.777 0.08 2
--.FIN.Z. 1989-01-13T13:37:58.10 10.0 undecidable manual PG 0 0.6549 -0.12 2
--.IMI.Z. 1989-01-13T13:37:54.30 10.0 undecidable manual PG 328 0.4218 0.36 0.9
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