A magnitude Md 1.9 earthquake occured in region: 1 km NW Colonna (RM), on
and geographic coordinates (lat, lon) 41.8440, 12.7420 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 |
---|---|---|---|---|
Colonna | RM | 1 | 4287 | 4287 |
Monte Porzio Catone | RM | 4 | 8693 | 12980 |
Monte Compatri | RM | 4 | 11978 | 24958 |
San Cesareo | RM | 6 | 15153 | 40111 |
Rocca Priora | RM | 6 | 11962 | 52073 |
Frascati | RM | 7 | 22087 | 74160 |
Zagarolo | RM | 7 | 17843 | 92003 |
Gallicano nel Lazio | RM | 7 | 6334 | 98337 |
Grottaferrata | RM | 9 | 20327 | 118664 |
Rocca di Papa | RM | 9 | 17034 | 135698 |
Marino | RM | 11 | 43026 | 178724 |
Palestrina | RM | 12 | 21672 | 200396 |
Ciampino | RM | 12 | 38412 | 238808 |
Castel San Pietro Romano | RM | 13 | 902 | 239710 |
Castel Gandolfo | RM | 13 | 8997 | 248707 |
Poli | RM | 14 | 2418 | 251125 |
Labico | RM | 14 | 6379 | 257504 |
San Gregorio da Sassola | RM | 14 | 1619 | 259123 |
Nemi | RM | 14 | 1943 | 261066 |
Casape | RM | 14 | 744 | 261810 |
Tivoli | RM | 14 | 56533 | 318343 |
Albano Laziale | RM | 14 | 41715 | 360058 |
Ariccia | RM | 15 | 19407 | 379465 |
Lariano | RM | 15 | 13432 | 392897 |
Genzano di Roma | RM | 16 | 23970 | 416867 |
Cave | RM | 16 | 11287 | 428154 |
Valmontone | RM | 16 | 15959 | 444113 |
Rocca di Cave | RM | 17 | 377 | 444490 |
Guidonia Montecelio | RM | 18 | 88673 | 533163 |
Capranica Prenestina | RM | 18 | 351 | 533514 |
Velletri | RM | 18 | 53303 | 586817 |
Castel Madama | RM | 18 | 7399 | 594216 |
Lanuvio | RM | 18 | 13632 | 607848 |
Artena | RM | 19 | 14276 | 622124 |
Genazzano | RM | 19 | 6036 | 628160 |
Pisoniano | RM | 19 | 770 | 628930 |
Fonte Nuova | RM | 20 | 32562 | 661492 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9 | 1990-01-18 21:27:39 |
41.844 | 12.742 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 108159 |
Field | Value |
---|---|
Time (UTC) | 1990-01-18 21:27:39 ± 0.198 |
Latitude | 41.8440 ± 0.0134 |
Longitude | 12.7420 ± 0.0140 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 108159 |
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) | 1886.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00032 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00486 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 108159 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:40:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1990-01-18T21:27:59.50 | 10.0 | undecidable | manual | SG | 355 | 0.5439 | -0.54 | 0 | |
--.MNS.Z. | 1990-01-18T21:27:52.00 | 10.0 | undecidable | manual | PG | 355 | 0.5439 | 0.53 | 0.2 | |
--.CP9.Z. | 1990-01-18T21:27:46.25 | 10.0 | undecidable | manual | SG | 83 | 0.1554 | 0.19 | 0.6 | |
--.CP9.Z. | 1990-01-18T21:27:43.23 | 10.0 | undecidable | manual | PG | 83 | 0.1554 | -0.17 | 1.3 | |
--.RDP.Z. | 1990-01-18T21:27:43.86 | 10.0 | undecidable | manual | SG | 192 | 0.0777 | 0.33 | 0.4 | |
--.RMP.Z. | 1990-01-18T21:27:41.94 | 10.0 | undecidable | manual | SG | 222 | 0.0333 | -0.23 | 0.4 | |
--.RMP.Z. | 1990-01-18T21:27:41.15 | 10.0 | undecidable | manual | PG | 222 | 0.0333 | 0 | 1.7 | |
--.RDP.Z. | 1990-01-18T21:27:41.92 | 10.0 | positive | manual | PG | 192 | 0.0777 | -0.01 | 3.4 |