A magnitude mb 3.5 earthquake occured in region: Mar Ionio Meridionale (MARE), on
and geographic coordinates (lat, lon) 37.8100, 20.0300 at 2 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 3.5 | 2011-02-22 16:37:44 |
37.81 | 20.03 | 2 | 2013-01-05 22:56:02 |
CSEM | 1175769 |
Field | Value |
---|---|
Time (UTC) | 2011-02-22 16:37:44 |
Latitude | 37.8100 |
Longitude | 20.0300 |
Depth (km) | 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> CSEM |
Event type | earthquake |
Origin ID | 1175769 |
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 | 21 |
Number of defining phases | 15 |
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 | 15 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 3.5 |
Uncertainty | |
Num. used stations | |
Type of magnitude | mb |
Reference to an origin | 1175769 |
Agency | INGV |
Autore | CSEM |
Time of creation (UTC) | 2013-01-05 22:56:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVZN.HHE. | 2011-02-22T16:39:33.49 | 0.6 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.HAVL.HHN. | 2011-02-22T16:39:25.88 | 0.3 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.MCIV.HHN. | 2011-02-22T16:39:11.46 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MESG.HHE. | 2011-02-22T16:39:10.31 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MPAZ.HHE. | 2011-02-22T16:39:09.21 | 0.3 | undecidable | manual | Sg | 0 | 0 | 0 | ||
MN.TIP.HHE. | 2011-02-22T16:39:03.18 | 0.3 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.SERS.HHN. | 2011-02-22T16:39:00.60 | 0.3 | undecidable | manual | Sg | 0 | 0 | 0 | ||
HL.KEK.BHE. | 2011-02-22T16:38:47.55 | 0.3 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.HVZN.HHE. | 2011-02-22T16:38:45.95 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.NRCA.HHE. | 2011-02-22T16:38:41.25 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.HAVL.HHN. | 2011-02-22T16:38:41.93 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.POZ.EHZ. | 2011-02-22T16:38:38.02 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SALB.HHE. | 2011-02-22T16:38:37.77 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.SBPO.HHE. | 2011-02-22T16:38:36.72 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MPAZ.HHE. | 2011-02-22T16:38:32.40 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.SCHR.EHZ. | 2011-02-22T16:38:31.19 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PIPA.HHZ. | 2011-02-22T16:38:30.31 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.PLAC.HHN. | 2011-02-22T16:38:28.59 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
MN.TIP.HHE. | 2011-02-22T16:38:28.81 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
IV.SERS.HHN. | 2011-02-22T16:38:28.30 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 | ||
HL.KEK.BHE. | 2011-02-22T16:38:15.27 | 0.3 | undecidable | manual | Pn | 0 | 0 | 0 |