A magnitude Md 2.0 earthquake occured in region: 1 km E Grottaferrata (RM), on
and geographic coordinates (lat, lon) 41.7890, 12.6770 at 9 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 |
---|---|---|---|---|
Grottaferrata | RM | 1 | 20327 | 20327 |
Frascati | RM | 2 | 22087 | 42414 |
Marino | RM | 3 | 43026 | 85440 |
Rocca di Papa | RM | 4 | 17034 | 102474 |
Monte Porzio Catone | RM | 5 | 8693 | 111167 |
Castel Gandolfo | RM | 5 | 8997 | 120164 |
Monte Compatri | RM | 6 | 11978 | 132142 |
Ciampino | RM | 6 | 38412 | 170554 |
Albano Laziale | RM | 7 | 41715 | 212269 |
Rocca Priora | RM | 7 | 11962 | 224231 |
Ariccia | RM | 8 | 19407 | 243638 |
Colonna | RM | 8 | 4287 | 247925 |
Nemi | RM | 8 | 1943 | 249868 |
Genzano di Roma | RM | 9 | 23970 | 273838 |
San Cesareo | RM | 11 | 15153 | 288991 |
Lanuvio | RM | 12 | 13632 | 302623 |
Zagarolo | RM | 14 | 17843 | 320466 |
Velletri | RM | 14 | 53303 | 373769 |
Lariano | RM | 15 | 13432 | 387201 |
Gallicano nel Lazio | RM | 15 | 6334 | 393535 |
Labico | RM | 17 | 6379 | 399914 |
Palestrina | RM | 19 | 21672 | 421586 |
Castel San Pietro Romano | RM | 19 | 902 | 422488 |
Pomezia | RM | 20 | 62966 | 485454 |
Roma | RM | 20 | 2864731 | 3350185 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML-VAX 1.6 |
1989-11-21 05:25:41 |
41.789 | 12.677 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 104799 |
Field | Value |
---|---|
Time (UTC) | 1989-11-21 05:25:41 ± 0.12 |
Latitude | 41.7890 ± 0.0094 |
Longitude | 12.6770 ± 0.0076 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 104799 |
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) | 1218.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 223 |
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) | 0.00024 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00534 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 104799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:37:37 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 104799 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1989-11-21T05:26:02.48 | 10.0 | undecidable | manual | SG | 0 | 0.5883 | 0.06 | 0.4 | |
--.MNS.Z. | 1989-11-21T05:25:53.43 | 10.0 | undecidable | manual | PG | 0 | 0.5883 | -0.03 | 1 | |
--.CP9.Z. | 1989-11-21T05:25:50.14 | 10.0 | undecidable | manual | SG | 70 | 0.2109 | -0.04 | 0.7 | |
--.CP9.Z. | 1989-11-21T05:25:46.42 | 10.0 | undecidable | manual | PG | 70 | 0.2109 | 0.02 | 1.9 | |
--.RDP.Z. | 1989-11-21T05:25:45.00 | 10.0 | undecidable | manual | SG | 136 | 0.0333 | 0.2 | 0.3 | |
--.RMP.Z. | 1989-11-21T05:25:44.34 | 10.0 | undecidable | manual | SG | 39 | 0.0222 | -0.26 | 0.1 | |
--.RDP.Z. | 1989-11-21T05:25:43.20 | 10.0 | positive | manual | PG | 136 | 0.0333 | -0.09 | 2.9 | |
--.RMP.Z. | 1989-11-21T05:25:43.34 | 10.0 | undecidable | manual | PG | 39 | 0.0222 | 0.17 | 0.7 |