A magnitude ML-VAX 4.5 earthquake occured in region: Tunisia, on
and geographic coordinates (lat, lon) 34.9530, 9.1270 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.
No Italian municipalities within 20 km distance.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML-VAX 4.5 | 1989-04-11 13:49:16 |
34.953 | 9.127 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 89729 |
Field | Value |
---|---|
Time (UTC) | 1989-04-11 13:49:16 ± 1.043 |
Latitude | 34.9530 ± 0.0777 |
Longitude | 9.1270 ± 0.0539 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 89729 |
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) | 9938.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 258 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 36 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.9 |
Epicentral distance of station closest to the epicenter (degree) | 0.03966 |
Epicentral distance of station farthest from the epicenter (degree) | 0.11276 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 29 |
Field | Value |
---|---|
Value | 4.5 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 89729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.LPO.Z. | 1989-04-11T13:54:01.00 | 10.0 | undecidable | manual | SN | 330 | 11.4663 | 1.34 | 0.4 | |
--.CAF.Z. | 1989-04-11T13:53:57.00 | 10.0 | undecidable | manual | SN | 333 | 11.3331 | 0.55 | 0.6 | |
--.SBF.Z. | 1989-04-11T13:52:59.20 | 10.0 | undecidable | manual | SN | 352 | 8.9799 | -1.56 | 0.2 | |
--.FRF.Z. | 1989-04-11T13:52:55.40 | 10.0 | undecidable | manual | SN | 348 | 8.8023 | -0.94 | 0.5 | |
--.LRG.Z. | 1989-04-11T13:52:54.00 | 10.0 | undecidable | manual | SN | 346 | 8.7468 | -1.12 | 0.4 | |
--.LMR.Z. | 1989-04-11T13:52:50.00 | 10.0 | undecidable | manual | SN | 347 | 8.6025 | -1.68 | 0.2 | |
--.CVF.Z. | 1989-04-11T13:52:26.40 | 10.0 | undecidable | manual | SN | 358 | 7.6035 | -1.37 | 0.3 | |
--.BGF.Z. | 1989-04-11T13:52:14.00 | 10.0 | undecidable | manual | PN | 339 | 12.5208 | -0.41 | 1.3 | |
--.RJF.Z. | 1989-04-11T13:52:04.20 | 10.0 | undecidable | manual | PN | 333 | 11.8548 | -1.07 | 0.9 | |
--.LPO.Z. | 1989-04-11T13:51:59.20 | 10.0 | undecidable | manual | PN | 330 | 11.4663 | -0.7 | 1.2 | |
--.CAF.Z. | 1989-04-11T13:51:57.60 | 10.0 | undecidable | manual | PN | 333 | 11.3331 | -0.44 | 1.4 | |
--.VAI.Z. | 1989-04-11T13:51:53.00 | 10.0 | undecidable | manual | PN | 358 | 10.9002 | 0.89 | 1.3 | |
--.LPG.Z. | 1989-04-11T13:51:51.60 | 10.0 | undecidable | manual | PN | 351 | 10.6782 | 2.47 | 0.3 | |
--.EPF.Z. | 1989-04-11T13:51:48.80 | 10.0 | undecidable | manual | PN | 322 | 10.5561 | 1.33 | 1 | |
--.BNI.Z. | 1989-04-11T13:51:43.34 | 10.0 | undecidable | manual | PN | 350 | 10.2564 | 0.07 | 1.6 | |
--.BOB.Z. | 1989-04-11T13:51:39.70 | 10.0 | undecidable | manual | PN | 1 | 9.7902 | 2.05 | 0.5 | |
--.DOI.Z. | 1989-04-11T13:51:35.35 | 10.0 | undecidable | manual | PN | 352 | 9.6459 | 0.49 | 1.6 | |
--.PGD.Z. | 1989-04-11T13:51:30.00 | 10.0 | undecidable | manual | PN | 11 | 9.1242 | 2.21 | 0.4 | |
--.ARV.Z. | 1989-04-11T13:51:29.30 | 10.0 | undecidable | manual | PN | 17 | 9.0243 | 2.9 | 0.1 | |
--.SFI.Z. | 1989-04-11T13:51:29.00 | 10.0 | undecidable | manual | PN | 12 | 9.1686 | 0.52 | 1.6 | |
--.CRE.Z. | 1989-04-11T13:51:26.50 | 10.0 | undecidable | manual | PN | 13 | 8.9244 | 1.54 | 0.9 | |
--.SBF.Z. | 1989-04-11T13:51:24.90 | 10.0 | undecidable | manual | PN | 352 | 8.9799 | -0.99 | 1.1 | |
--.FRF.Z. | 1989-04-11T13:51:22.50 | 10.0 | undecidable | manual | PN | 348 | 8.8023 | -0.84 | 1.3 | |
--.LRG.Z. | 1989-04-11T13:51:21.50 | 10.0 | undecidable | manual | PN | 346 | 8.7468 | -1.13 | 1 | |
--.LMR.Z. | 1989-04-11T13:51:20.00 | 10.0 | undecidable | manual | PN | 347 | 8.6025 | -0.65 | 1.4 | |
--.DUI.Z. | 1989-04-11T13:51:11.50 | 10.0 | undecidable | manual | PN | 30 | 7.8921 | 0.73 | 1.5 | |
--.CVF.Z. | 1989-04-11T13:51:08.00 | 10.0 | undecidable | manual | PN | 358 | 7.6035 | 1.16 | 1.2 | |
--.MAO.Z. | 1989-04-11T13:51:07.85 | 10.0 | undecidable | manual | PN | 11 | 7.6146 | 0.84 | 1.5 | |
--.SDI.Z. | 1989-04-11T13:51:07.00 | 10.0 | undecidable | manual | PN | 27 | 7.6701 | -0.85 | 1.3 | |
--.TDS.Z. | 1989-04-11T13:51:05.00 | 10.0 | undecidable | manual | PN | 48 | 7.4037 | 0.87 | 1.4 | |
--.RMP.Z. | 1989-04-11T13:51:03.96 | 10.0 | undecidable | manual | PN | 21 | 7.3926 | -0.02 | 1.7 | |
--.SOI.Z. | 1989-04-11T13:50:48.50 | 10.0 | undecidable | manual | PN | 58 | 6.3714 | -1.39 | 0.8 | |
--.ATN.Z. | 1989-04-11T13:50:44.50 | 10.0 | undecidable | manual | PN | 55 | 6.0051 | -0.35 | 1.6 | |
--.MEU.Z. | 1989-04-11T13:50:31.80 | 10.0 | undecidable | manual | PN | 63 | 5.0727 | -0.39 | 1.6 | |
--.PZI.Z. | 1989-04-11T13:50:31.60 | 10.0 | undecidable | manual | PN | 64 | 5.1393 | -1.47 | 0.7 | |
--.CGL.Z. | 1989-04-11T13:50:21.99 | 10.0 | undecidable | manual | PN | 1 | 4.4067 | -0.87 | 1.2 |