A magnitude ML 1.4 earthquake occured in region: 9 km NW Colonna (RM), on
and geographic coordinates (lat, lon) 41.9030, 12.7020 at 11 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 | 9 | 4287 | 4287 |
Monte Porzio Catone | RM | 10 | 8693 | 12980 |
Tivoli | RM | 11 | 56533 | 69513 |
Gallicano nel Lazio | RM | 11 | 6334 | 75847 |
Monte Compatri | RM | 11 | 11978 | 87825 |
Frascati | RM | 11 | 22087 | 109912 |
Guidonia Montecelio | RM | 11 | 88673 | 198585 |
San Cesareo | RM | 12 | 15153 | 213738 |
Fonte Nuova | RM | 13 | 32562 | 246300 |
Zagarolo | RM | 13 | 17843 | 264143 |
Grottaferrata | RM | 13 | 20327 | 284470 |
Rocca Priora | RM | 13 | 11962 | 296432 |
Ciampino | RM | 14 | 38412 | 334844 |
San Gregorio da Sassola | RM | 14 | 1619 | 336463 |
Sant'Angelo Romano | RM | 15 | 5018 | 341481 |
Marino | RM | 15 | 43026 | 384507 |
Casape | RM | 15 | 744 | 385251 |
Rocca di Papa | RM | 16 | 17034 | 402285 |
Mentana | RM | 16 | 22921 | 425206 |
Poli | RM | 16 | 2418 | 427624 |
Marcellina | RM | 16 | 7280 | 434904 |
Castel Madama | RM | 16 | 7399 | 442303 |
San Polo dei Cavalieri | RM | 17 | 2992 | 445295 |
Palestrina | RM | 17 | 21672 | 466967 |
Castel San Pietro Romano | RM | 17 | 902 | 467869 |
Castel Gandolfo | RM | 18 | 8997 | 476866 |
Monterotondo | RM | 18 | 40830 | 517696 |
Roma | RM | 18 | 2864731 | 3382427 |
Palombara Sabina | RM | 19 | 13269 | 3395696 |
Albano Laziale | RM | 20 | 41715 | 3437411 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2023-01-22 01:55:31 |
41.9027 | 12.7018 | 11 | 2024-03-01 17:18:00 |
Bollettino Sismico Italiano INGV | 115793651 |
Reviewed Rev100 |
ML 1.7 | 2023-01-22 01:55:31 |
41.9037 | 12.6998 | 10 | 2023-01-22 02:00:56 |
Sala Sismica INGV-Roma | 113722521 |
Field | Value |
---|---|
Time (UTC) | 2023-01-22 01:55:31 ± 0.05 |
Latitude | 41.9027 ± 0.0027 |
Longitude | 12.7018 ± 0.0048 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 115793651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 276 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 274 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
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) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.09083 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47754 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.5 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 115793651 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-09 10:30:53 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 113722521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-01-22 02:00:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HNN. | 2023-01-22T01:55:48.94 | 0.6 | undecidable | manual | S | 40 | 53.0025 | 50 | 0.38 | 43 |
IV.LATB.EHZ. | 2023-01-22T01:55:47.54 | 0.6 | undecidable | manual | S | 154 | 50.2164 | 50 | -0.28 | 45 |
IV.SRES.HHZ. | 2023-01-22T01:55:45.07 | 0.1 | undecidable | manual | S | 337 | 40.3263 | 50 | -0.1 | 94 |
IV.CERT.HHZ. | 2023-01-22T01:55:41.02 | 0.1 | undecidable | manual | S | 77 | 23.6541 | 50 | 0.29 | 92 |
IV.FIAM.HNN. | 2023-01-22T01:55:41.09 | 0.1 | undecidable | manual | P | 40 | 53.0025 | 50 | -0.42 | 86 |
IV.LATB.EHZ. | 2023-01-22T01:55:40.58 | 0.3 | undecidable | manual | P | 154 | 50.2164 | 50 | -0.5 | 64 |
IV.LAV9.HNZ. | 2023-01-22T01:55:40.96 | 0.6 | undecidable | manual | S | 181 | 24.9528 | 50 | -0.11 | 49 |
IV.SRES.HHZ. | 2023-01-22T01:55:39.19 | 1.0 | undecidable | manual | P | 337 | 40.3263 | 50 | -0.36 | 22 |
IT.RMMM.HGE. | 2023-01-22T01:55:39.55 | 0.6 | undecidable | manual | S | 276 | 20.6682 | 50 | -0.39 | 46 |
IT.RMVT.HGZ. | 2023-01-22T01:55:39.93 | 0.6 | undecidable | manual | S | 288 | 18.7701 | 120 | 0.56 | 44 |
IV.VIVA.HHN. | 2023-01-22T01:55:39.04 | 0.3 | undecidable | manual | S | 162 | 17.871 | 121 | -0.04 | 74 |
IV.MA9.HHN. | 2023-01-22T01:55:38.07 | 0.1 | undecidable | manual | S | 194 | 15.1737 | 125 | -0.24 | 95 |
IV.ROM9.HNE. | 2023-01-22T01:55:38.94 | 0.6 | undecidable | manual | S | 242 | 17.4714 | 121 | -0.04 | 49 |
IV.SAMA.EHZ. | 2023-01-22T01:55:38.48 | 0.3 | undecidable | manual | S | 214 | 16.2726 | 123 | -0.16 | 72 |
IV.RDP.HHZ. | 2023-01-22T01:55:38.67 | 0.6 | undecidable | manual | S | 177 | 15.7731 | 124 | 0.18 | 48 |
IV.MTCE.HHZ. | 2023-01-22T01:55:37.79 | 0.1 | undecidable | manual | S | 14 | 13.7751 | 128 | -0.12 | 97 |
IV.LAV9.HNZ. | 2023-01-22T01:55:37.54 | 0.6 | undecidable | manual | P | 181 | 24.9528 | 50 | 0.36 | 45 |
IV.RMP.HHZ. | 2023-01-22T01:55:36.93 | 0.1 | undecidable | manual | S | 179 | 10.0788 | 137 | -0.04 | 100 |
IT.RMVT.HGZ. | 2023-01-22T01:55:36.30 | 0.3 | undecidable | manual | P | 288 | 18.7701 | 120 | 0.1 | 73 |
IV.VIVA.HHN. | 2023-01-22T01:55:36.12 | 0.1 | undecidable | manual | P | 162 | 17.871 | 121 | 0.09 | 98 |
IV.ROM9.HNE. | 2023-01-22T01:55:36.35 | 0.3 | undecidable | manual | P | 242 | 17.4714 | 121 | 0.38 | 69 |
IT.RMMM.HGE. | 2023-01-22T01:55:36.68 | 0.1 | undecidable | manual | P | 276 | 20.6682 | 50 | 0.15 | 96 |
IV.CERT.HHZ. | 2023-01-22T01:55:36.93 | 0.6 | undecidable | manual | P | 77 | 23.6541 | 50 | -0.05 | 49 |
IV.RDP.HHZ. | 2023-01-22T01:55:35.90 | 0.1 | undecidable | manual | P | 177 | 15.7731 | 124 | 0.21 | 96 |
IV.RMP.HHZ. | 2023-01-22T01:55:35.09 | 0.1 | positive | manual | P | 179 | 10.0788 | 137 | 0.28 | 96 |
IV.MA9.HHN. | 2023-01-22T01:55:35.61 | 0.1 | undecidable | manual | P | 194 | 15.1737 | 125 | 0.02 | 100 |
IV.MTCE.HHZ. | 2023-01-22T01:55:35.28 | 0.1 | negative | manual | P | 14 | 13.7751 | 128 | -0.08 | 98 |
IV.SAMA.EHZ. | 2023-01-22T01:55:35.68 | 0.1 | positive | manual | P | 214 | 16.2726 | 123 | -0.09 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RMP.HHN. | ML:2.3 | 0.002246137 | 0.1808 | AML | other | m | 2023-01-22T01:55:37.35 |
IV.RMP.HHE. | ML:2.3 | 0.002543852 | 0.0992 | AML | other | m | 2023-01-22T01:55:37.84 |
IV.MTCE.HHE. | ML:1.2 | 0.0001664447 | 0.16 | AML | other | m | 2023-01-22T01:55:38.38 |
IV.MTCE.HHN. | ML:1.2 | 0.00016782344999999999 | 0.2384 | AML | other | m | 2023-01-22T01:55:38.84 |
IV.RDP.HHE. | ML:2.1 | 0.0010727606999999999 | 0.3808 | AML | other | m | 2023-01-22T01:55:38.98 |
IV.RDP.HHN. | ML:2.0 | 0.0009791665 | 0.1408 | AML | other | m | 2023-01-22T01:55:39.23 |
IV.CERT.HHN. | ML:1.2 | 0.00010985847 | 0.16 | AML | other | m | 2023-01-22T01:55:42.01 |
IV.CERT.HHE. | ML:0.9 | 0.000052025398 | 0.16 | AML | other | m | 2023-01-22T01:55:42.32 |
IV.SRES.HHE. | ML:1.1 | 0.000041482535000000004 | 0.28 | AML | other | m | 2023-01-22T01:55:46.83 |