Earthquake with magnitude of M 2.8 on date 23-08-1997 and time 13:40:29 (UTC) in region Costa Montenegro (MONTENEGRO)

A magnitude M 2.8 earthquake occured in region: Costa Montenegro (MONTENEGRO), on

  • 23-08-1997 13:40:29 (UTC)
  • 23-08-1997 15:40:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.26, 18.75 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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
M 2.8 1997-08-23
13:40:29
42.26 18.75 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 276269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-08-23 13:40:29 ± 0.232
Latitude 42.26 ± 0.03
Longitude 18.75 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 276269

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) 4166
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.00542
Epicentral distance of station farthest from the epicenter (degree) 0.04031
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

M:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 276269
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:30:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1997-08-23T13:41:37.78 10.0 undecidable manual PN 274 0.0403 0.17 1.2
--.PQ9.Z. 1997-08-23T13:41:31.33 10.0 undecidable manual PN 268 0.0357 0.78 0.5
--.HVA.Z. 1997-08-23T13:41:30.00 10.0 undecidable manual SN! 299 0.0172 3.83 0
--.SDI.Z. 1997-08-23T13:41:26.82 10.0 undecidable manual PN 263 0.0334 -0.16 1.4
--.CRVI.Z. 1997-08-23T13:41:22.26 10.0 undecidable manual PN 262 0.03 0.31 1.3
--.VTB1.Z. 1997-08-23T13:41:21.14 10.0 undecidable manual PN 252 0.0293 0.39 1.2
--.CI9.Z. 1997-08-23T13:41:19.16 10.0 undecidable manual PN 245 0.028 0.31 1.4
--.SMB1.Z. 1997-08-23T13:41:19.70 10.0 undecidable manual PN 255 0.0281 0.13 1.6
--.MGR.Z. 1997-08-23T13:41:19.84 10.0 undecidable manual PN 230 0.0288 -0.23 1.5
--.TIR.Z. 1997-08-23T13:41:14.50 10.0 undecidable manual SN! 137 0.0111 4.68 0
--.SKO.Z. 1997-08-23T13:41:07.00 10.0 undecidable manual PN! 97 0.0181 3.31 0
--.FG3.Z. 1997-08-23T13:41:04.27 10.0 undecidable manual PN 256 0.0193 -1.33 0.1
--.HVA.Z. 1997-08-23T13:41:02.10 10.0 undecidable manual PN 299 0.0172 -0.32 1.5
--.OHR.Z. 1997-08-23T13:41:02.00 10.0 undecidable manual PN 126 0.0172 -0.3 1.6
--.TIR.Z. 1997-08-23T13:40:55.50 10.0 undecidable manual PN! 137 0.0111 2.52 0
--.SDA.Z. 1997-08-23T13:40:52.00 10.0 undecidable manual SG 114 0.0054 0.62 0.4
--.SDA.Z. 1997-08-23T13:40:42.00 10.0 undecidable manual PG 114 0.0054 -0.34 1.5
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download