A magnitude Md 2.2 earthquake occured in region: Mar Ionio Settentrionale (MARE), on
and geographic coordinates (lat, lon) 37.9230, 16.5830 at 43 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.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.6 |
1989-04-27 02:56:08 |
37.923 | 16.583 | 43 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 90729 |
Field | Value |
---|---|
Time (UTC) | 1989-04-27 02:56:08 ± 0.986 |
Latitude | 37.9230 ± 0.0741 |
Longitude | 16.5830 ± 0.0806 |
Depth (km) | 43 ± 11 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 90729 |
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) | 10852.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 284 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00818 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 90729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:25:06 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 90729 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GRI.Z. | 1989-04-27T02:56:36.80 | 10.0 | undecidable | manual | S | 351 | 0.8991 | -0.83 | 0.1 | |
--.MO9.Z. | 1989-04-27T02:56:32.36 | 10.0 | undecidable | manual | S | 276 | 0.6993 | 0.16 | 0.5 | |
--.SOI.Z. | 1989-04-27T02:56:26.76 | 10.0 | undecidable | manual | S | 289 | 0.444 | 0.39 | 0.4 | |
--.GRI.Z. | 1989-04-27T02:56:25.32 | 10.0 | undecidable | manual | P | 351 | 0.8991 | 0.44 | 0.8 | |
--.ATN.Z. | 1989-04-27T02:56:25.28 | 10.0 | negative | manual | P | 284 | 0.9102 | 0.33 | 2 | |
--.MO9.Z. | 1989-04-27T02:56:21.22 | 10.0 | undecidable | manual | P | 276 | 0.6993 | -0.95 | 0.2 | |
--.SOI.Z. | 1989-04-27T02:56:18.81 | 10.0 | negative | manual | P | 289 | 0.444 | 0.01 | 2.9 |