A magnitude ML 1.6 earthquake occured in region: 4 km W Gallicano nel Lazio (RM), on
and geographic coordinates (lat, lon) 41.8810, 12.7750 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 |
---|---|---|---|---|
Gallicano nel Lazio | RM | 4 | 6334 | 6334 |
Colonna | RM | 5 | 4287 | 10621 |
Zagarolo | RM | 6 | 17843 | 28464 |
San Cesareo | RM | 7 | 15153 | 43617 |
Monte Compatri | RM | 9 | 11978 | 55595 |
Monte Porzio Catone | RM | 9 | 8693 | 64288 |
San Gregorio da Sassola | RM | 9 | 1619 | 65907 |
Tivoli | RM | 10 | 56533 | 122440 |
Rocca Priora | RM | 10 | 11962 | 134402 |
Casape | RM | 10 | 744 | 135146 |
Poli | RM | 10 | 2418 | 137564 |
Palestrina | RM | 11 | 21672 | 159236 |
Castel San Pietro Romano | RM | 11 | 902 | 160138 |
Frascati | RM | 11 | 22087 | 182225 |
Castel Madama | RM | 13 | 7399 | 189624 |
Grottaferrata | RM | 14 | 20327 | 209951 |
Guidonia Montecelio | RM | 14 | 88673 | 298624 |
Labico | RM | 14 | 6379 | 305003 |
Rocca di Papa | RM | 14 | 17034 | 322037 |
Rocca di Cave | RM | 15 | 377 | 322414 |
Cave | RM | 15 | 11287 | 333701 |
Capranica Prenestina | RM | 15 | 351 | 334052 |
Pisoniano | RM | 16 | 770 | 334822 |
Marino | RM | 16 | 43026 | 377848 |
San Polo dei Cavalieri | RM | 16 | 2992 | 380840 |
Marcellina | RM | 16 | 7280 | 388120 |
Valmontone | RM | 17 | 15959 | 404079 |
Ciciliano | RM | 17 | 1336 | 405415 |
Ciampino | RM | 17 | 38412 | 443827 |
San Vito Romano | RM | 17 | 3273 | 447100 |
Genazzano | RM | 17 | 6036 | 453136 |
Lariano | RM | 18 | 13432 | 466568 |
Vicovaro | RM | 18 | 4019 | 470587 |
Sambuci | RM | 18 | 925 | 471512 |
Sant'Angelo Romano | RM | 18 | 5018 | 476530 |
Castel Gandolfo | RM | 18 | 8997 | 485527 |
Fonte Nuova | RM | 18 | 32562 | 518089 |
Nemi | RM | 18 | 1943 | 520032 |
Cerreto Laziale | RM | 19 | 1118 | 521150 |
Gerano | RM | 19 | 1263 | 522413 |
Albano Laziale | RM | 19 | 41715 | 564128 |
Artena | RM | 20 | 14276 | 578404 |
Ariccia | RM | 20 | 19407 | 597811 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.7
ML 1.6 |
2011-11-22 21:57:11 |
41.881 | 12.775 | 4 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1311939 |
Field | Value |
---|---|
Time (UTC) | 2011-11-22 21:57:11 ± 0.18 |
Latitude | 41.8810 ± 0.0027 |
Longitude | 12.7750 ± 0.0060 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1311939 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 523 |
Semi-minor axis of confidence ellipse (meter) | 169 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 115 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 583.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.16817 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1311939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 02:03:10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1311939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 02:03:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CERT.HHN. | 2011-11-22T21:57:17.82 | 0.6 | undecidable | manual | Sg | 66 | 18.6702 | 0.025 | 50 | |
IV.MA9.HHN. | 2011-11-22T21:57:16.73 | 0.3 | undecidable | manual | Sg | 218 | 15.5733 | -0.038 | 76 | |
IV.MTCE.HHN. | 2011-11-22T21:57:16.81 | 0.1 | undecidable | manual | Sg | 350 | 15.9729 | -0.082 | 100 | |
IV.RDP.HHZ. | 2011-11-22T21:57:16.44 | 1.0 | undecidable | manual | Sg | 200 | 14.4744 | 0.056 | 25 | |
IV.SMA1.EHZ. | 2011-11-22T21:57:15.57 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MTCE.HHN. | 2011-11-22T21:57:14.67 | 0.3 | undecidable | manual | Pg | 350 | 15.9729 | 0.196 | 73 | |
IV.RDP.HHZ. | 2011-11-22T21:57:14.30 | 0.6 | undecidable | manual | Pg | 200 | 14.4744 | 0.117 | 50 | |
IV.RMP.HHZ. | 2011-11-22T21:57:14.84 | 0.3 | undecidable | manual | Sg | 218 | 9.7791 | -0.022 | 77 | |
IV.CERT.HHN. | 2011-11-22T21:57:14.85 | 0.6 | undecidable | manual | Pg | 66 | 18.6702 | -0.144 | 49 | |
IV.MPAG.EHN. | 2011-11-22T21:57:14.44 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MA9.HHN. | 2011-11-22T21:57:14.16 | 0.3 | undecidable | manual | Pg | 218 | 15.5733 | -0.245 | 73 | |
IV.RMP.HHZ. | 2011-11-22T21:57:13.49 | 0.3 | undecidable | manual | Pg | 218 | 9.7791 | 0.187 | 74 | |
IV.FIR.HHN. | 2011-11-22T21:57:06.40 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |