A magnitude Md 2.3 earthquake occured in region: 1 km S Lariano (RM), on
and geographic coordinates (lat, lon) 41.7240, 12.8350 at 10 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 |
---|---|---|---|---|
Lariano | RM | 1 | 13432 | 13432 |
Velletri | RM | 6 | 53303 | 66735 |
Artena | RM | 7 | 14276 | 81011 |
Labico | RM | 8 | 6379 | 87390 |
Rocca Massima | LT | 9 | 1136 | 88526 |
Valmontone | RM | 9 | 15959 | 104485 |
Nemi | RM | 10 | 1943 | 106428 |
Rocca Priora | RM | 10 | 11962 | 118390 |
Cori | LT | 11 | 11065 | 129455 |
San Cesareo | RM | 11 | 15153 | 144608 |
Rocca di Papa | RM | 11 | 17034 | 161642 |
Lanuvio | RM | 12 | 13632 | 175274 |
Genzano di Roma | RM | 12 | 23970 | 199244 |
Monte Compatri | RM | 12 | 11978 | 211222 |
Zagarolo | RM | 13 | 17843 | 229065 |
Cave | RM | 13 | 11287 | 240352 |
Ariccia | RM | 14 | 19407 | 259759 |
Palestrina | RM | 14 | 21672 | 281431 |
Colonna | RM | 14 | 4287 | 285718 |
Monte Porzio Catone | RM | 14 | 8693 | 294411 |
Colleferro | RM | 14 | 21595 | 316006 |
Cisterna di Latina | LT | 15 | 36868 | 352874 |
Castel San Pietro Romano | RM | 15 | 902 | 353776 |
Albano Laziale | RM | 15 | 41715 | 395491 |
Marino | RM | 16 | 43026 | 438517 |
Castel Gandolfo | RM | 16 | 8997 | 447514 |
Grottaferrata | RM | 16 | 20327 | 467841 |
Frascati | RM | 16 | 22087 | 489928 |
Segni | RM | 16 | 9159 | 499087 |
Gallicano nel Lazio | RM | 16 | 6334 | 505421 |
Rocca di Cave | RM | 17 | 377 | 505798 |
Genazzano | RM | 17 | 6036 | 511834 |
Gavignano | RM | 18 | 1916 | 513750 |
Capranica Prenestina | RM | 18 | 351 | 514101 |
Poli | RM | 19 | 2418 | 516519 |
Montelanico | RM | 19 | 2131 | 518650 |
Norma | LT | 19 | 3946 | 522596 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1987-05-04 20:36:07 |
41.724 | 12.835 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 46339 |
Field | Value |
---|---|
Time (UTC) | 1987-05-04 20:36:07 ± 0.351 |
Latitude | 41.7240 ± 0.0331 |
Longitude | 12.8350 ± 0.0220 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46339 |
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) | 4105.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 200 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00648 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 46339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1987-05-04T20:36:33.50 | 10.0 | undecidable | manual | SG | 90 | 0.7215 | 0.66 | 0.1 | |
--.SDI.Z. | 1987-05-04T20:36:22.00 | 10.0 | undecidable | manual | PG | 90 | 0.7215 | -0.16 | 1.4 | |
--.MNS.Z. | 1987-05-04T20:36:21.00 | 10.0 | undecidable | manual | PG | 350 | 0.666 | -0.11 | 1.5 | |
--.RMP.Z. | 1987-05-04T20:36:14.00 | 10.0 | undecidable | manual | SG | 311 | 0.1221 | 0.27 | 0.7 | |
--.RDP.Z. | 1987-05-04T20:36:13.50 | 10.0 | undecidable | manual | SG | 291 | 0.0888 | 0.88 | 0.1 | |
--.RMP.Z. | 1987-05-04T20:36:11.00 | 10.0 | undecidable | manual | PG | 311 | 0.1221 | -0.13 | 2.1 | |
--.RDP.Z. | 1987-05-04T20:36:10.00 | 10.0 | undecidable | manual | PG | 291 | 0.0888 | -0.48 | 1 |