A magnitude mb 5.3 earthquake occured in region: Southern Mid Atlantic Ridge [Sea], on
and geographic coordinates (lat, lon) -20.9700, -11.5700 at 10 km depth.
The earthquake was located by: CSEM.
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 |
mb 5.3 | 2011-01-17 01:35:32 |
-20.97 | -11.57 | 10 | 2013-01-05 22:38:27 |
CSEM | 1162499 |
Field | Value |
---|---|
Time (UTC) | 2011-01-17 01:35:32 |
Latitude | -20.9700 |
Longitude | -11.5700 |
Depth (km) | 10 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1162499 |
Field | Value |
---|---|
Preferred uncertainty description | |
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) | |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00000 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 5.3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1162499 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 22:38:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VARE.HHN. | 2011-01-17T01:46:54.45 | 10.0 | undecidable | manual | P | 0 | 0 | 0 | ||
NI.POLC.HHZ. | 2011-01-17T01:46:45.49 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
GU.LSD.HHN. | 2011-01-17T01:46:34.45 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.ERBM.EHN. | 2011-01-17T01:46:33.37 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.PII.SHZ. | 2011-01-17T01:46:27.70 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.MGAB.HHZ. | 2011-01-17T01:46:26.72 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.T0104.HHZ. | 2011-01-17T01:46:26.26 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.GRFL.SHZ. | 2011-01-17T01:46:25.92 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.PTQR.SHZ. | 2011-01-17T01:46:24.72 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.LATE.HHZ. | 2011-01-17T01:46:24.27 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.SDI.SHZ. | 2011-01-17T01:46:23.50 | 0.3 | undecidable | manual | P | 0 | 0 | 0 | ||
IV.TOLF.HHZ. | 2011-01-17T01:46:21.98 | 0.3 | undecidable | manual | P | 0 | 0 | 0 |