A magnitude Md 2.0 earthquake occured in region: 2 km SE Velletri (RM), on
and geographic coordinates (lat, lon) 41.6780, 12.7940 at 5 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 |
---|---|---|---|---|
Velletri | RM | 2 | 53303 | 53303 |
Lariano | RM | 7 | 13432 | 66735 |
Lanuvio | RM | 8 | 13632 | 80367 |
Nemi | RM | 8 | 1943 | 82310 |
Genzano di Roma | RM | 9 | 23970 | 106280 |
Cisterna di Latina | LT | 10 | 36868 | 143148 |
Rocca Massima | LT | 11 | 1136 | 144284 |
Cori | LT | 11 | 11065 | 155349 |
Ariccia | RM | 11 | 19407 | 174756 |
Rocca di Papa | RM | 12 | 17034 | 191790 |
Artena | RM | 12 | 14276 | 206066 |
Albano Laziale | RM | 13 | 41715 | 247781 |
Rocca Priora | RM | 13 | 11962 | 259743 |
Castel Gandolfo | RM | 14 | 8997 | 268740 |
Labico | RM | 14 | 6379 | 275119 |
Aprilia | LT | 15 | 73446 | 348565 |
Marino | RM | 15 | 43026 | 391591 |
Valmontone | RM | 15 | 15959 | 407550 |
Monte Compatri | RM | 15 | 11978 | 419528 |
San Cesareo | RM | 16 | 15153 | 434681 |
Grottaferrata | RM | 16 | 20327 | 455008 |
Monte Porzio Catone | RM | 17 | 8693 | 463701 |
Frascati | RM | 17 | 22087 | 485788 |
Colonna | RM | 18 | 4287 | 490075 |
Norma | LT | 18 | 3946 | 494021 |
Zagarolo | RM | 18 | 17843 | 511864 |
Colleferro | RM | 19 | 21595 | 533459 |
Segni | RM | 19 | 9159 | 542618 |
Cave | RM | 20 | 11287 | 553905 |
Palestrina | RM | 20 | 21672 | 575577 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1987-05-14 11:00:43 |
41.678 | 12.794 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 47049 |
Field | Value |
---|---|
Time (UTC) | 1987-05-14 11:00:43 ± 0.51 |
Latitude | 41.6780 ± 0.0212 |
Longitude | 12.7940 ± 0.0121 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 47049 |
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) | 2567.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 299 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00194 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 47049 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:46:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CP9.Z. | 1987-05-14T11:00:52.50 | 10.0 | undecidable | manual | SG | 32 | 0.2109 | 0.18 | 0.6 | |
--.RMP.Z. | 1987-05-14T11:00:50.00 | 10.0 | undecidable | manual | SG | 332 | 0.1443 | 0.25 | 0.6 | |
--.CP9.Z. | 1987-05-14T11:00:48.50 | 10.0 | undecidable | manual | PG | 32 | 0.2109 | -0.2 | 1.5 | |
--.RMP.Z. | 1987-05-14T11:00:47.50 | 10.0 | undecidable | manual | PG | 332 | 0.1443 | 0.28 | 1.4 | |
--.RDP.Z. | 1987-05-14T11:00:47.50 | 10.0 | undecidable | manual | SG | 324 | 0.0888 | -0.42 | 0.4 | |
--.RDP.Z. | 1987-05-14T11:00:46.00 | 10.0 | undecidable | manual | PG | 324 | 0.0888 | -0.16 | 0 |