A magnitude Md 2.3 earthquake occured in region: 3 km E Nemi (RM), on
and geographic coordinates (lat, lon) 41.7330, 12.7530 at 4 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 |
---|---|---|---|---|
Nemi | RM | 3 | 1943 | 1943 |
Rocca di Papa | RM | 5 | 17034 | 18977 |
Velletri | RM | 6 | 53303 | 72280 |
Genzano di Roma | RM | 6 | 23970 | 96250 |
Lariano | RM | 7 | 13432 | 109682 |
Ariccia | RM | 7 | 19407 | 129089 |
Rocca Priora | RM | 7 | 11962 | 141051 |
Lanuvio | RM | 7 | 13632 | 154683 |
Albano Laziale | RM | 8 | 41715 | 196398 |
Monte Compatri | RM | 9 | 11978 | 208376 |
Castel Gandolfo | RM | 9 | 8997 | 217373 |
Marino | RM | 9 | 43026 | 260399 |
Grottaferrata | RM | 9 | 20327 | 280726 |
Monte Porzio Catone | RM | 10 | 8693 | 289419 |
Frascati | RM | 10 | 22087 | 311506 |
San Cesareo | RM | 11 | 15153 | 326659 |
Colonna | RM | 11 | 4287 | 330946 |
Labico | RM | 13 | 6379 | 337325 |
Zagarolo | RM | 14 | 17843 | 355168 |
Artena | RM | 14 | 14276 | 369444 |
Valmontone | RM | 15 | 15959 | 385403 |
Ciampino | RM | 15 | 38412 | 423815 |
Rocca Massima | LT | 15 | 1136 | 424951 |
Gallicano nel Lazio | RM | 16 | 6334 | 431285 |
Palestrina | RM | 17 | 21672 | 452957 |
Cisterna di Latina | LT | 17 | 36868 | 489825 |
Cori | LT | 17 | 11065 | 500890 |
Castel San Pietro Romano | RM | 17 | 902 | 501792 |
Aprilia | LT | 18 | 73446 | 575238 |
Cave | RM | 18 | 11287 | 586525 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1987-05-18 22:06:06 |
41.733 | 12.753 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 47289 |
Field | Value |
---|---|
Time (UTC) | 1987-05-18 22:06:06 ± 0.427 |
Latitude | 41.7330 ± 0.0215 |
Longitude | 12.7530 ± 0.0138 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 47289 |
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) | 2651.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 264 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00032 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00704 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 47289 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:46:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1987-05-18T22:06:30.00 | 10.0 | undecidable | manual | SG | 355 | 0.6438 | -0.6 | 0.2 | |
--.AQU.Z. | 1987-05-18T22:06:23.50 | 10.0 | undecidable | manual | PG | 37 | 0.777 | 0.61 | 0.4 | |
--.MNS.Z. | 1987-05-18T22:06:20.50 | 10.0 | undecidable | manual | PG | 355 | 0.6438 | 0.05 | 1.4 | |
--.CP9.Z. | 1987-05-18T22:06:14.50 | 10.0 | undecidable | manual | SG | 48 | 0.1887 | 0.2 | 0.8 | |
--.CP9.Z. | 1987-05-18T22:06:10.50 | 10.0 | undecidable | manual | PG | 48 | 0.1887 | -0.54 | 0.8 | |
--.RMP.Z. | 1987-05-18T22:06:10.50 | 10.0 | undecidable | manual | SG | 334 | 0.0777 | 0.25 | 0.7 | |
--.RDP.Z. | 1987-05-18T22:06:08.80 | 10.0 | undecidable | manual | SG | 313 | 0.0333 | 0.16 | 1.2 | |
--.RMP.Z. | 1987-05-18T22:06:08.50 | 10.0 | undecidable | manual | PG | 334 | 0.0777 | -0.2 | 1.9 | |
--.RDP.Z. | 1987-05-18T22:06:07.50 | 10.0 | undecidable | manual | PG | 313 | 0.0333 | -0.27 | 1.7 |