A magnitude ML 2.0 (quarry blast) earthquake occured in region: 5 km W Samassi (VS), on
and geographic coordinates (lat, lon) 39.4830, 8.8450 at 14 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: quarry blast.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 |
---|---|---|---|---|
Samassi | VS | 6 | 5206 | 5206 |
San Gavino Monreale | VS | 9 | 8736 | 13942 |
Serramanna | VS | 9 | 9206 | 23148 |
Villacidro | VS | 10 | 14099 | 37247 |
Sanluri | VS | 10 | 8532 | 45779 |
Serrenti | VS | 11 | 4892 | 50671 |
Furtei | VS | 12 | 1658 | 52329 |
Vallermosa | CA | 14 | 1924 | 54253 |
Villasor | CA | 14 | 6945 | 61198 |
Sardara | VS | 15 | 4078 | 65276 |
Segariu | VS | 15 | 1203 | 66479 |
Nuraminis | CA | 15 | 2559 | 69038 |
Gonnosfanadiga | VS | 16 | 6633 | 75671 |
Samatzai | CA | 16 | 1700 | 77371 |
Pabillonis | VS | 17 | 2818 | 80189 |
Villanovaforru | VS | 17 | 638 | 80827 |
Collinas | VS | 18 | 857 | 81684 |
Decimoputzu | CA | 18 | 4425 | 86109 |
Villamar | VS | 18 | 2756 | 88865 |
Pimentel | CA | 19 | 1171 | 90036 |
Lunamatrona | VS | 19 | 1722 | 91758 |
Guasila | CA | 19 | 2691 | 94449 |
Guspini | VS | 20 | 11975 | 106424 |
San Sperate | CA | 20 | 8314 | 114738 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2019-09-22 19:21:41 |
39.4833 | 8.8447 | 14 | 2020-02-28 16:42:11 |
Bollettino Sismico Italiano INGV | 74338051 |
Reviewed Rev100 |
ML 2.0 | 2019-09-22 19:21:41 |
39.4743 | 8.8495 | 10 | 2019-12-05 10:54:01 |
Sala Sismica INGV-Roma | 72669151 |
Field | Value |
---|---|
Time (UTC) | 2019-09-22 19:21:41 ± 0.12 |
Latitude | 39.4833 ± 0.0135 |
Longitude | 8.8447 ± 0.0105 |
Depth (km) | 14 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 74338051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1592 |
Semi-minor axis of confidence ellipse (meter) | 597 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 152 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.66195 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 72669151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-09-22 19:32:09 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 74338051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-12-05 10:51:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RNI2.HHZ. | 2019-09-22T19:23:48.41 | 3.0 | undecidable | manual | Sn | 1.19 | 0 | |||
IV.MCEL.HHZ. | 2019-09-22T19:23:18.97 | 3.0 | undecidable | manual | Pg | 15.45 | 0 | |||
GU.GRAM.HHZ. | 2019-09-22T19:23:07.45 | 3.0 | positive | manual | Pg | 9.61 | 0 | |||
IV.IFIL.HHZ. | 2019-09-22T19:22:57.79 | 3.0 | positive | manual | Pg | 5.76 | 0 | |||
IV.AGLI.HHZ. | 2019-09-22T19:22:31.85 | 0.6 | undecidable | manual | S | 9 | 184.4709 | 54 | -0.38 | 32 |
IV.DGI.HHZ. | 2019-09-22T19:22:13.98 | 0.3 | undecidable | manual | S | 35 | 112.998 | 92 | -0.09 | 66 |
IV.AGLI.HHZ. | 2019-09-22T19:22:10.98 | 0.3 | undecidable | manual | P | 9 | 184.4709 | 54 | 0.22 | 49 |
IV.DGI.HHZ. | 2019-09-22T19:22:00.45 | 0.1 | undecidable | manual | P | 35 | 112.998 | 92 | 0.18 | 85 |
TV.SU26.HHZ. | 2019-09-22T19:21:57.22 | 0.6 | undecidable | manual | S | 217 | 50.2164 | 94 | -0.1 | 49 |
MN.VSL.HHZ. | 2019-09-22T19:21:55.82 | 0.3 | undecidable | manual | S | 88 | 45.7209 | 95 | -0.29 | 71 |
IV.CGL.BHZ. | 2019-09-22T19:21:54.82 | 0.3 | undecidable | manual | S | 108 | 40.8258 | 96 | 0.01 | 76 |
TV.SU26.HHZ. | 2019-09-22T19:21:50.56 | 0.1 | positive | manual | P | 217 | 50.2164 | 94 | -0.04 | 99 |
IV.CGL.BHZ. | 2019-09-22T19:21:49.34 | 0.1 | positive | manual | P | 108 | 40.8258 | 96 | 0.19 | 98 |
MN.VSL.HHZ. | 2019-09-22T19:21:49.95 | 0.1 | positive | manual | P | 88 | 45.7209 | 95 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CGL.BHE. | ML:1.8 | 0.0002245 | 0.76 | AML | other | m | 2019-09-22T19:21:54.93 |
IV.CGL.BHN. | ML:1.9 | 0.000266 | 0.68 | AML | other | m | 2019-09-22T19:21:55.01 |
MN.VSL.HHE. | ML:2.2 | 0.0004055 | 0.1 | AML | other | m | 2019-09-22T19:21:56.07 |
MN.VSL.HHN. | ML:1.9 | 0.0002365 | 0.96 | AML | other | m | 2019-09-22T19:21:56.94 |