A magnitude Md 2.0 earthquake occured in region: 3 km SW Guidonia Montecelio (RM), on
and geographic coordinates (lat, lon) 41.9850, 12.7000 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 |
---|---|---|---|---|
Guidonia Montecelio | RM | 3 | 88673 | 88673 |
Sant'Angelo Romano | RM | 6 | 5018 | 93691 |
Fonte Nuova | RM | 7 | 32562 | 126253 |
Mentana | RM | 8 | 22921 | 149174 |
Tivoli | RM | 9 | 56533 | 205707 |
Marcellina | RM | 10 | 7280 | 212987 |
Monterotondo | RM | 10 | 40830 | 253817 |
Palombara Sabina | RM | 11 | 13269 | 267086 |
San Polo dei Cavalieri | RM | 12 | 2992 | 270078 |
Castel Madama | RM | 14 | 7399 | 277477 |
Moricone | RM | 16 | 2650 | 280127 |
San Gregorio da Sassola | RM | 16 | 1619 | 281746 |
Gallicano nel Lazio | RM | 16 | 6334 | 288080 |
Vicovaro | RM | 16 | 4019 | 292099 |
Montelibretti | RM | 17 | 5323 | 297422 |
Colonna | RM | 17 | 4287 | 301709 |
Casape | RM | 18 | 744 | 302453 |
Monteflavio | RM | 18 | 1348 | 303801 |
Roccagiovine | RM | 18 | 263 | 304064 |
Monte Porzio Catone | RM | 19 | 8693 | 312757 |
Riano | RM | 19 | 10466 | 323223 |
Montorio Romano | RM | 19 | 1984 | 325207 |
Zagarolo | RM | 19 | 17843 | 343050 |
Mandela | RM | 19 | 917 | 343967 |
Poli | RM | 19 | 2418 | 346385 |
Licenza | RM | 20 | 1011 | 347396 |
Sambuci | RM | 20 | 925 | 348321 |
Monte Compatri | RM | 20 | 11978 | 360299 |
Frascati | RM | 20 | 22087 | 382386 |
San Cesareo | RM | 20 | 15153 | 397539 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1987-06-04 10:27:45 |
41.985 | 12.7 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 48649 |
Field | Value |
---|---|
Time (UTC) | 1987-06-04 10:27:45 ± 0.686 |
Latitude | 41.9850 ± 0.0339 |
Longitude | 12.7000 ± 0.0347 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 48649 |
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) | 4736.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 303 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00154 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00202 |
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 | 48649 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:47:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.RDP.Z. | 1987-06-04T10:27:54.50 | 10.0 | undecidable | manual | SG | 176 | 0.222 | -0.4 | 0 | |
--.RMP.Z. | 1987-06-04T10:27:53.50 | 10.0 | undecidable | manual | SG | 179 | 0.1665 | 0.3 | 0.2 | |
--.RDP.Z. | 1987-06-04T10:27:51.00 | 10.0 | undecidable | manual | PG | 176 | 0.222 | -0.02 | 1.6 | |
--.CP9.Z. | 1987-06-04T10:27:51.00 | 10.0 | undecidable | manual | PG | 123 | 0.2109 | 0.02 | 1.6 | |
--.RMP.Z. | 1987-06-04T10:27:50.00 | 10.0 | undecidable | manual | PG | 179 | 0.1665 | -0.03 | 1.6 |