A magnitude ML 1.5 earthquake occured in region: 4 km SE Lariano (RM), on
and geographic coordinates (lat, lon) 41.7030, 12.8580 at 7 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 |
---|---|---|---|---|
Lariano | RM | 4 | 13432 | 13432 |
Rocca Massima | LT | 6 | 1136 | 14568 |
Artena | RM | 6 | 14276 | 28844 |
Velletri | RM | 7 | 53303 | 82147 |
Cori | LT | 8 | 11065 | 93212 |
Labico | RM | 10 | 6379 | 99591 |
Valmontone | RM | 10 | 15959 | 115550 |
Nemi | RM | 12 | 1943 | 117493 |
Cisterna di Latina | LT | 12 | 36868 | 154361 |
Colleferro | RM | 13 | 21595 | 175956 |
Rocca Priora | RM | 13 | 11962 | 187918 |
Lanuvio | RM | 13 | 13632 | 201550 |
Segni | RM | 14 | 9159 | 210709 |
Genzano di Roma | RM | 14 | 23970 | 234679 |
Rocca di Papa | RM | 14 | 17034 | 251713 |
San Cesareo | RM | 14 | 15153 | 266866 |
Cave | RM | 14 | 11287 | 278153 |
Monte Compatri | RM | 15 | 11978 | 290131 |
Zagarolo | RM | 16 | 17843 | 307974 |
Palestrina | RM | 16 | 21672 | 329646 |
Ariccia | RM | 16 | 19407 | 349053 |
Norma | LT | 16 | 3946 | 352999 |
Gavignano | RM | 16 | 1916 | 354915 |
Montelanico | RM | 16 | 2131 | 357046 |
Castel San Pietro Romano | RM | 16 | 902 | 357948 |
Albano Laziale | RM | 17 | 41715 | 399663 |
Colonna | RM | 17 | 4287 | 403950 |
Monte Porzio Catone | RM | 17 | 8693 | 412643 |
Genazzano | RM | 17 | 6036 | 418679 |
Rocca di Cave | RM | 18 | 377 | 419056 |
Castel Gandolfo | RM | 18 | 8997 | 428053 |
Marino | RM | 18 | 43026 | 471079 |
Grottaferrata | RM | 18 | 20327 | 491406 |
Frascati | RM | 19 | 22087 | 513493 |
Gallicano nel Lazio | RM | 19 | 6334 | 519827 |
Capranica Prenestina | RM | 19 | 351 | 520178 |
Sermoneta | LT | 20 | 9842 | 530020 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-04-11 03:50:32 |
41.7032 | 12.8582 | 7 | 2021-07-12 16:55:06 |
Bollettino Sismico Italiano INGV | 89099401 |
Reviewed Rev100 |
ML 1.6 | 2021-04-11 03:50:32 |
41.6968 | 12.872 | 9 | 2021-04-11 04:05:23 |
Sala Sismica INGV-Roma | 88994581 |
Field | Value |
---|---|
Time (UTC) | 2021-04-11 03:50:32 ± 0.08 |
Latitude | 41.7032 ± 0.0045 |
Longitude | 12.8582 ± 0.0060 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89099401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 522 |
Semi-minor axis of confidence ellipse (meter) | 408 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 14 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.08094 |
Epicentral distance of station farthest from the epicenter (degree) | 0.63672 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 89099401 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 10:16:35 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 88994581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-11 04:05:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.POFI.HNE. | 2021-04-11T03:50:55.68 | 0.6 | undecidable | manual | S | 88 | 70.6737 | 50 | 0.46 | 56 |
IV.LRP.EHN. | 2021-04-11T03:50:53.08 | 0.6 | undecidable | manual | S | 96 | 60.6948 | 50 | 0.55 | 56 |
IV.VVLD.HHZ. | 2021-04-11T03:50:53.96 | 0.6 | undecidable | manual | S | 73 | 65.8896 | 50 | 0.03 | 62 |
IV.GIUL.HHZ. | 2021-04-11T03:50:46.11 | 0.3 | undecidable | manual | S | 116 | 36.6411 | 101 | 0.21 | 95 |
IV.SRES.HHN. | 2021-04-11T03:50:45.21 | 0.3 | undecidable | manual | P | 334 | 65.7897 | 50 | 0.15 | 91 |
IV.POFI.HNE. | 2021-04-11T03:50:45.48 | 0.3 | undecidable | manual | P | 88 | 70.6737 | 50 | -0.34 | 86 |
IV.VVLD.HHZ. | 2021-04-11T03:50:44.53 | 0.3 | undecidable | manual | P | 73 | 65.8896 | 50 | -0.55 | 83 |
IV.LRP.EHN. | 2021-04-11T03:50:44.00 | 0.3 | undecidable | manual | P | 96 | 60.6948 | 50 | -0.27 | 89 |
IV.CERT.HHZ. | 2021-04-11T03:50:43.01 | 0.6 | undecidable | manual | S | 20 | 29.1486 | 104 | -0.36 | 62 |
IV.LATB.EHZ. | 2021-04-11T03:50:41.73 | 0.3 | undecidable | manual | S | 160 | 24.753 | 106 | -0.18 | 97 |
IV.GIUL.HHZ. | 2021-04-11T03:50:40.16 | 0.3 | undecidable | manual | P | 116 | 36.6411 | 101 | -0.28 | 93 |
IV.RCAV.EHE. | 2021-04-11T03:50:40.02 | 0.3 | undecidable | manual | S | 24 | 17.5713 | 112 | 0.49 | 92 |
IV.SAMA.EHZ. | 2021-04-11T03:50:40.87 | 0.6 | undecidable | manual | S | 291 | 23.6541 | 107 | -0.66 | 57 |
IV.RMP.HHE. | 2021-04-11T03:50:39.53 | 0.6 | undecidable | manual | S | 314 | 17.4714 | 112 | 0.01 | 68 |
IV.MA9.HHN. | 2021-04-11T03:50:39.06 | 0.6 | undecidable | manual | S | 294 | 18.0708 | 111 | -0.64 | 58 |
IV.MTCE.HHZ. | 2021-04-11T03:50:39.96 | 1.0 | undecidable | manual | P | 345 | 36.741 | 101 | -0.51 | 29 |
IV.RDP.HHN. | 2021-04-11T03:50:38.52 | 0.3 | undecidable | manual | S | 297 | 13.7751 | 117 | 0.17 | 99 |
IV.LATB.EHZ. | 2021-04-11T03:50:38.17 | 0.3 | undecidable | manual | P | 160 | 24.753 | 106 | 0.04 | 100 |
IV.CERT.HHZ. | 2021-04-11T03:50:38.70 | 0.3 | undecidable | manual | P | 20 | 29.1486 | 104 | -0.28 | 94 |
IV.LAV9.HHN. | 2021-04-11T03:50:38.71 | 0.3 | undecidable | manual | S | 258 | 13.4754 | 117 | 0.46 | 93 |
IV.SAMA.EHZ. | 2021-04-11T03:50:38.26 | 0.3 | undecidable | manual | P | 291 | 23.6541 | 107 | 0.35 | 94 |
IV.MA9.HHN. | 2021-04-11T03:50:37.16 | 0.3 | undecidable | manual | P | 294 | 18.0708 | 111 | 0.3 | 96 |
IV.RMP.HHE. | 2021-04-11T03:50:37.30 | 0.6 | undecidable | manual | P | 314 | 17.4714 | 112 | 0.55 | 60 |
IV.RCAV.EHE. | 2021-04-11T03:50:37.08 | 0.6 | undecidable | manual | P | 24 | 17.5713 | 112 | 0.32 | 64 |
IV.VIVA.HHN. | 2021-04-11T03:50:36.54 | 0.3 | undecidable | manual | S | 306 | 8.9799 | 128 | -0.38 | 96 |
IV.RDP.HHN. | 2021-04-11T03:50:36.38 | 0.3 | undecidable | manual | P | 297 | 13.7751 | 117 | 0.3 | 96 |
IV.LAV9.HHN. | 2021-04-11T03:50:35.91 | 0.6 | undecidable | manual | P | 258 | 13.4754 | 117 | -0.11 | 67 |
IV.VIVA.HHN. | 2021-04-11T03:50:35.06 | 0.3 | undecidable | manual | P | 306 | 8.9799 | 128 | -0.2 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VIVA.HHN. | ML:1.7 | 0.00085246975 | 0.2016 | AML | other | m | 2021-04-11T03:50:39.05 |
IV.RDP.HHE. | ML:1.5 | 0.0003276225 | 0.2592 | AML | other | m | 2021-04-11T03:50:40.39 |
IV.RDP.HHN. | ML:1.7 | 0.0006255 | 0.4 | AML | other | m | 2021-04-11T03:50:40.82 |
IV.CERT.HNN. | ML:1.4 | 0.000134775015 | 0.8288 | AML | other | m | 2021-04-11T03:50:41.20 |
IV.VIVA.HHE. | ML:1.6 | 0.0006493026499999999 | 0.3008 | AML | other | m | 2021-04-11T03:50:41.39 |
IV.LAV9.HNN. | ML:1.7 | 0.00056525415 | 0.5216 | AML | other | m | 2021-04-11T03:50:41.37 |
IV.RMP.HHE. | ML:1.7 | 0.00051148875 | 0.16 | AML | other | m | 2021-04-11T03:50:41.79 |
IV.RMP.HHN. | ML:1.8 | 0.00058768055 | 0.1408 | AML | other | m | 2021-04-11T03:50:41.79 |
IV.LAV9.HHE. | ML:1.7 | 0.00062642065 | 0.3424 | AML | other | m | 2021-04-11T03:50:42.40 |
IV.LAV9.HHN. | ML:1.6 | 0.00046372020000000005 | 0.3616 | AML | other | m | 2021-04-11T03:50:43.57 |
IV.CERT.HNE. | ML:1.5 | 0.00014903597 | 0.528 | AML | other | m | 2021-04-11T03:50:43.94 |
IV.CERT.HHN. | ML:0.9 | 0.00004060574999999999 | 0.08 | AML | other | m | 2021-04-11T03:50:44.21 |
IV.CERT.HHE. | ML:0.8 | 0.000034512954999999997 | 0.2592 | AML | other | m | 2021-04-11T03:50:44.69 |
IV.LAV9.HNE. | ML:1.8 | 0.0007540711499999999 | 1.5808 | AML | other | m | 2021-04-11T03:50:44.14 |
IV.GIUL.HHN. | ML:1.0 | 0.000035364594999999996 | 0.3424 | AML | other | m | 2021-04-11T03:50:46.17 |
IV.GIUL.HHE. | ML:1.0 | 0.00003486190999999999 | 0.1376 | AML | other | m | 2021-04-11T03:50:46.37 |