A magnitude Md 2.4 earthquake occured in region: 2 km SW San Mauro Castelverde (PA), on
and geographic coordinates (lat, lon) 37.9050, 14.1800 at 8 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 |
---|---|---|---|---|
San Mauro Castelverde | PA | 2 | 1701 | 1701 |
Geraci Siculo | PA | 6 | 1945 | 3646 |
Castelbuono | PA | 9 | 8943 | 12589 |
Pollina | PA | 10 | 2974 | 15563 |
Tusa | ME | 10 | 2925 | 18488 |
Castel di Lucio | ME | 12 | 1294 | 19782 |
Pettineo | ME | 12 | 1350 | 21132 |
Gangi | PA | 12 | 6811 | 27943 |
Petralia Sottana | PA | 13 | 2821 | 30764 |
Petralia Soprana | PA | 14 | 3360 | 34124 |
Motta d'Affermo | ME | 14 | 739 | 34863 |
Isnello | PA | 16 | 1589 | 36452 |
Mistretta | ME | 16 | 4791 | 41243 |
Reitano | ME | 16 | 806 | 42049 |
Castellana Sicula | PA | 18 | 3411 | 45460 |
Polizzi Generosa | PA | 19 | 3407 | 48867 |
Bompietro | PA | 19 | 1401 | 50268 |
Blufi | PA | 19 | 1029 | 51297 |
Gratteri | PA | 19 | 963 | 52260 |
Santo Stefano di Camastra | ME | 19 | 4694 | 56954 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 2.2 |
1987-08-26 20:42:33 |
37.905 | 14.18 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 54459 |
Field | Value |
---|---|
Time (UTC) | 1987-08-26 20:42:33 ± 0.281 |
Latitude | 37.9050 ± 0.0192 |
Longitude | 14.1800 ± 0.0418 |
Depth (km) | 7 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54459 |
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) | 4248.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01336 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 54459 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:29 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 54459 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SO9.Z. | 1987-08-26T20:43:00.00 | 10.0 | undecidable | manual | PN | 82 | 1.4874 | 0.05 | 1.3 | |
--.ATN.Z. | 1987-08-26T20:42:53.78 | 10.0 | undecidable | manual | PG | 75 | 1.0323 | 0.01 | 1.6 | |
--.MEU.Z. | 1987-08-26T20:42:52.14 | 10.0 | undecidable | manual | PG | 146 | 0.9435 | 0.12 | 1.6 | |
--.MNO.Z. | 1987-08-26T20:42:49.12 | 10.0 | undecidable | manual | SG | 85 | 0.3996 | 0.56 | 0.2 | |
--.MNO.Z. | 1987-08-26T20:42:41.72 | 10.0 | undecidable | manual | PG | 85 | 0.3996 | -0.3 | 1.3 | |
--.GIB.Z. | 1987-08-26T20:42:40.00 | 10.0 | undecidable | manual | SG | 304 | 0.1443 | 0.66 | 0.1 | |
--.GIB.Z. | 1987-08-26T20:42:36.29 | 10.0 | undecidable | manual | PG | 304 | 0.1443 | -0.41 | 0.9 |