A magnitude Md 2.3 earthquake occured in region: 7 km NW Melilli (SR), on
and geographic coordinates (lat, lon) 37.2340, 15.0850 at 14 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Melilli | SR | 7 | 13621 | 13621 |
Carlentini | SR | 8 | 17798 | 31419 |
Sortino | SR | 9 | 8690 | 40109 |
Lentini | SR | 10 | 24085 | 64194 |
Augusta | SR | 12 | 36305 | 100499 |
Priolo Gargallo | SR | 12 | 12091 | 112590 |
Solarino | SR | 15 | 8091 | 120681 |
Floridia | SR | 18 | 22762 | 143443 |
Ferla | SR | 18 | 2523 | 145966 |
Francofonte | SR | 18 | 12800 | 158766 |
Cassaro | SR | 19 | 821 | 159587 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 2.1 |
1991-07-23 17:34:44 |
37.234 | 15.085 | 14 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 146109 |
Field | Value |
---|---|
Time (UTC) | 1991-07-23 17:34:44 ± 0.213 |
Latitude | 37.2340 ± 0.0285 |
Longitude | 15.0850 ± 0.0356 |
Depth (km) | 14 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 146109 |
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) | 4470.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01927 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 146109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:16:23 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 146109 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CZI.Z. | 1991-07-23T17:35:19.60 | 10.0 | undecidable | manual | PN | 22 | 2.1423 | -0.26 | 1 | |
--.ATN.Z. | 1991-07-23T17:35:18.33 | 10.0 | undecidable | manual | SN | 17 | 0.9657 | 1.3 | 0.1 | |
--.MO9.Z. | 1991-07-23T17:35:14.64 | 10.0 | undecidable | manual | SG | 32 | 0.8991 | -0.63 | 0.5 | |
--.PA2.Z. | 1991-07-23T17:35:12.56 | 10.0 | undecidable | manual | PN | 40 | 1.6317 | 0.24 | 1.2 | |
--.DR2.Z. | 1991-07-23T17:35:11.48 | 10.0 | undecidable | manual | PN | 25 | 1.554 | 0.23 | 1.3 | |
--.MNO.Z. | 1991-07-23T17:35:09.15 | 10.0 | undecidable | manual | SG | 336 | 0.7548 | -1.53 | 0.1 | |
--.GIB.Z. | 1991-07-23T17:35:06.78 | 10.0 | undecidable | manual | PN | 312 | 1.1211 | 1.46 | 0.2 | |
--.FE2.Z. | 1991-07-23T17:35:04.66 | 10.0 | undecidable | manual | PN | 44 | 1.1211 | -0.69 | 1 | |
--.GA2.Z. | 1991-07-23T17:35:04.40 | 10.0 | positive | manual | PN | 32 | 1.0989 | -0.6 | 2.3 | |
--.ATN.Z. | 1991-07-23T17:35:02.78 | 10.0 | undecidable | manual | PN | 17 | 0.9657 | -0.39 | 1.5 | |
--.MO9.Z. | 1991-07-23T17:35:01.92 | 10.0 | undecidable | manual | PG | 32 | 0.8991 | -0.23 | 1.7 | |
--.MNO.Z. | 1991-07-23T17:35:00.61 | 10.0 | undecidable | manual | PG | 336 | 0.7548 | 1.11 | 0.6 | |
--.PZI.Z. | 1991-07-23T17:34:53.11 | 10.0 | undecidable | manual | SG | 211 | 0.2109 | 0.02 | 0.8 | |
--.MEU.Z. | 1991-07-23T17:34:52.41 | 10.0 | undecidable | manual | SG | 238 | 0.2331 | -1.52 | 0.1 | |
--.AU9.Z. | 1991-07-23T17:34:51.23 | 10.0 | undecidable | manual | SG | 79 | 0.111 | 0.89 | 0.4 | |
--.PZI.Z. | 1991-07-23T17:34:49.42 | 10.0 | undecidable | manual | PG | 211 | 0.2109 | 0.07 | 1.9 | |
--.MEU.Z. | 1991-07-23T17:34:49.59 | 10.0 | undecidable | manual | PG | 238 | 0.2331 | -0.24 | 1.8 | |
--.AU9.Z. | 1991-07-23T17:34:48.20 | 10.0 | undecidable | manual | PG | 79 | 0.111 | 0.44 | 1.6 |