A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1030, 15.6240 at 30 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 2.0
ML 2.1 |
2009-11-21 09:26:05 |
37.103 | 15.624 | 30 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 993089 |
Field | Value |
---|---|
Time (UTC) | 2009-11-21 09:26:05 ± 0.12 |
Latitude | 37.1030 ± 0.0063 |
Longitude | 15.6240 ± 0.0068 |
Depth (km) | 30 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 993089 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 638 |
Semi-minor axis of confidence ellipse (meter) | 467 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 191 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 922.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 320 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.72755 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 993089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 19:01:06 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 993089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 19:01:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MAGA.HHN. | 2009-11-21T09:26:40.58 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MTGR.SHZ. | 2009-11-21T09:26:34.68 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.HVZN.HHE. | 2009-11-21T09:26:29.81 | 0.3 | undecidable | manual | Sg | 276 | 80.7636 | 0.021 | 74 | |
IV.HMDC.HHN. | 2009-11-21T09:26:28.61 | 0.1 | undecidable | manual | Sg | 258 | 76.0683 | 0.01 | 100 | |
IV.HCRL.HHE. | 2009-11-21T09:26:23.55 | 0.3 | undecidable | manual | Sg | 291 | 55.8996 | 0.032 | 78 | |
IV.HAVL.HHZ. | 2009-11-21T09:26:21.44 | 0.3 | undecidable | manual | Sg | 251 | 47.1195 | 0.049 | 79 | |
IV.SSY.HHZ. | 2009-11-21T09:26:21.65 | 0.3 | undecidable | manual | Sg | 277 | 49.0176 | -0.187 | 77 | |
IV.HVZN.HHE. | 2009-11-21T09:26:19.46 | 0.3 | undecidable | manual | Pg | 276 | 80.7636 | 0.108 | 73 | |
IV.AGST.EHN. | 2009-11-21T09:26:18.88 | 10.0 | undecidable | manual | Sg | 0 | 0 | 0 | ||
IV.HMDC.HHN. | 2009-11-21T09:26:18.54 | 0.1 | undecidable | manual | Pg | 258 | 76.0683 | -0.128 | 98 | |
IV.HCRL.HHE. | 2009-11-21T09:26:15.78 | 0.3 | undecidable | manual | Pg | 291 | 55.8996 | 0.048 | 78 | |
IV.SSY.HHZ. | 2009-11-21T09:26:14.76 | 0.3 | undecidable | manual | Pg | 277 | 49.0176 | 0 | 79 | |
IV.HAVL.HHZ. | 2009-11-21T09:26:14.60 | 0.3 | undecidable | manual | Pg | 251 | 47.1195 | 0.096 | 78 | |
IV.AGST.EHN. | 2009-11-21T09:26:09.28 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |