A magnitude Md 2.1 earthquake occured in region: 3 km NW Colonna (RM), on
and geographic coordinates (lat, lon) 41.8550, 12.7300 at 8 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 | 3 | 4287 | 4287 |
Monte Porzio Catone | RM | 4 | 8693 | 12980 |
Monte Compatri | RM | 5 | 11978 | 24958 |
Frascati | RM | 7 | 22087 | 47045 |
San Cesareo | RM | 7 | 15153 | 62198 |
Rocca Priora | RM | 7 | 11962 | 74160 |
Gallicano nel Lazio | RM | 8 | 6334 | 80494 |
Zagarolo | RM | 9 | 17843 | 98337 |
Grottaferrata | RM | 9 | 20327 | 118664 |
Rocca di Papa | RM | 10 | 17034 | 135698 |
Marino | RM | 11 | 43026 | 178724 |
Ciampino | RM | 12 | 38412 | 217136 |
Palestrina | RM | 13 | 21672 | 238808 |
Tivoli | RM | 14 | 56533 | 295341 |
Castel Gandolfo | RM | 14 | 8997 | 304338 |
Castel San Pietro Romano | RM | 14 | 902 | 305240 |
San Gregorio da Sassola | RM | 14 | 1619 | 306859 |
Poli | RM | 14 | 2418 | 309277 |
Casape | RM | 14 | 744 | 310021 |
Nemi | RM | 15 | 1943 | 311964 |
Labico | RM | 15 | 6379 | 318343 |
Albano Laziale | RM | 15 | 41715 | 360058 |
Ariccia | RM | 16 | 19407 | 379465 |
Guidonia Montecelio | RM | 16 | 88673 | 468138 |
Lariano | RM | 16 | 13432 | 481570 |
Genzano di Roma | RM | 17 | 23970 | 505540 |
Cave | RM | 17 | 11287 | 516827 |
Valmontone | RM | 18 | 15959 | 532786 |
Castel Madama | RM | 18 | 7399 | 540185 |
Rocca di Cave | RM | 18 | 377 | 540562 |
Fonte Nuova | RM | 18 | 32562 | 573124 |
Capranica Prenestina | RM | 19 | 351 | 573475 |
Velletri | RM | 19 | 53303 | 626778 |
Lanuvio | RM | 20 | 13632 | 640410 |
San Polo dei Cavalieri | RM | 20 | 2992 | 643402 |
Marcellina | RM | 20 | 7280 | 650682 |
Sant'Angelo Romano | RM | 20 | 5018 | 655700 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.5 |
1989-05-28 02:57:48 |
41.855 | 12.73 | 8 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 92199 |
Field | Value |
---|---|
Time (UTC) | 1989-05-28 02:57:48 ± 0.18 |
Latitude | 41.8550 ± 0.0093 |
Longitude | 12.7300 ± 0.0093 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 92199 |
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) | 1289.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 242 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00729 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 92199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:26:29 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 92199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1989-05-28T02:58:17.10 | 10.0 | undecidable | manual | SG | 99 | 0.8103 | -0.33 | 0 | |
--.SDI.Z. | 1989-05-28T02:58:05.57 | 10.0 | undecidable | manual | PG | 99 | 0.8103 | 0.21 | 0.3 | |
--.CP9.Z. | 1989-05-28T02:57:55.98 | 10.0 | undecidable | manual | SG | 87 | 0.1665 | 0.14 | 0.4 | |
--.RDP.Z. | 1989-05-28T02:57:53.57 | 10.0 | undecidable | manual | SG | 185 | 0.0888 | 0.01 | 0.7 | |
--.CP9.Z. | 1989-05-28T02:57:52.81 | 10.0 | undecidable | manual | PG | 87 | 0.1665 | -0.09 | 1.4 | |
--.RMP.Z. | 1989-05-28T02:57:52.29 | 10.0 | undecidable | manual | SG | 205 | 0.0444 | 0.05 | 0.6 | |
--.RDP.Z. | 1989-05-28T02:57:51.59 | 10.0 | undecidable | manual | PG | 185 | 0.0888 | 0.01 | 1.7 | |
--.RMP.Z. | 1989-05-28T02:57:50.75 | 10.0 | positive | manual | PG | 205 | 0.0444 | -0.07 | 3 |