A magnitude mb 5.6 earthquake occured in region: Tonga [Sea], on
and geographic coordinates (lat, lon) -25.1100, -177.4300 at 156 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 5.6 | 2011-05-05 16:15:22 |
-25.11 | -177.43 | 156 | 2013-01-05 23:38:34 |
CSEM | 1207309 |
Field | Value |
---|---|
Time (UTC) | 2011-05-05 16:15:22 |
Latitude | -25.1100 |
Longitude | -177.4300 |
Depth (km) | 156 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1207309 |
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 | 16 |
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 | 16 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 5.6 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1207309 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 23:38:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVZN.HHZ. | 2011-05-05T16:36:02.46 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SOI.EHZ. | 2011-05-05T16:35:56.13 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
MN.CEL.HHZ. | 2011-05-05T16:35:55.29 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CRAC.EHN. | 2011-05-05T16:35:19.81 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ERBM.EHZ. | 2011-05-05T16:35:02.57 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.SNTG.HHZ. | 2011-05-05T16:35:01.56 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.ATTE.HHN. | 2011-05-05T16:35:01.05 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.CMPO.HHN. | 2011-05-05T16:35:01.99 | 10.0 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.FUORN.HHZ. | 2011-05-05T16:34:59.32 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
CH.BERNI.HHN. | 2011-05-05T16:34:59.28 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.BRMO.HHZ. | 2011-05-05T16:34:59.69 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.PALA.HHN. | 2011-05-05T16:34:58.28 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.AGOR.HHN. | 2011-05-05T16:34:58.56 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.PTCC.HHZ. | 2011-05-05T16:34:57.78 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 | ||
NI.ACOM.HHZ. | 2011-05-05T16:34:57.65 | 0.3 | undecidable | manual | PKP | 0 | 0 | 0 | ||
IV.STAL.HHZ. | 2011-05-05T16:34:57.97 | 0.1 | undecidable | manual | PKP | 0 | 0 | 0 |