A magnitude ML 2.1 earthquake occured in region: 2 km SW Ariccia (RM), on
and geographic coordinates (lat, lon) 41.7010, 12.6580 at 12 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 |
---|---|---|---|---|
Ariccia | RM | 3 | 19407 | 19407 |
Genzano di Roma | RM | 3 | 23970 | 43377 |
Albano Laziale | RM | 3 | 41715 | 85092 |
Lanuvio | RM | 5 | 13632 | 98724 |
Castel Gandolfo | RM | 5 | 8997 | 107721 |
Nemi | RM | 5 | 1943 | 109664 |
Marino | RM | 8 | 43026 | 152690 |
Rocca di Papa | RM | 8 | 17034 | 169724 |
Grottaferrata | RM | 10 | 20327 | 190051 |
Velletri | RM | 10 | 53303 | 243354 |
Aprilia | LT | 12 | 73446 | 316800 |
Frascati | RM | 12 | 22087 | 338887 |
Ciampino | RM | 12 | 38412 | 377299 |
Pomezia | RM | 13 | 62966 | 440265 |
Rocca Priora | RM | 14 | 11962 | 452227 |
Ardea | RM | 14 | 49183 | 501410 |
Monte Compatri | RM | 14 | 11978 | 513388 |
Monte Porzio Catone | RM | 14 | 8693 | 522081 |
Lariano | RM | 15 | 13432 | 535513 |
Colonna | RM | 17 | 4287 | 539800 |
San Cesareo | RM | 18 | 15153 | 554953 |
Cisterna di Latina | LT | 19 | 36868 | 591821 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2020-07-28 15:07:52 |
41.7012 | 12.6577 | 12 | 2020-11-19 12:36:56 |
Bollettino Sismico Italiano INGV | 81725251 |
Reviewed Rev100 |
ML 2.3 | 2020-07-28 15:07:52 |
41.7087 | 12.616 | 14 | 2020-07-28 15:17:59 |
Sala Sismica INGV-Roma | 81425421 |
Field | Value |
---|---|
Time (UTC) | 2020-07-28 15:07:52 ± 0.12 |
Latitude | 41.7012 ± 0.0054 |
Longitude | 12.6577 ± 0.0084 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81725251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 713 |
Semi-minor axis of confidence ellipse (meter) | 216 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 51 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
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) | 0.03867 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60884 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81725251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-09-17 14:18:57 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81425421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-28 15:17:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIUL.HHZ. | 2020-07-28T15:08:09.03 | 0.6 | undecidable | manual | S | 108 | 52.0035 | 91 | 0.23 | 45 |
IV.TOLF.HHZ. | 2020-07-28T15:08:04.59 | 0.3 | undecidable | manual | P | 307 | 67.5768 | 91 | 0.29 | 64 |
IV.LATB.EHN. | 2020-07-28T15:08:03.75 | 0.6 | undecidable | manual | S | 132 | 34.1436 | 92 | -0.3 | 45 |
IV.GIUL.HHZ. | 2020-07-28T15:08:01.48 | 0.3 | undecidable | manual | P | 108 | 52.0035 | 91 | -0.41 | 64 |
IV.RMP.HHZ. | 2020-07-28T15:07:58.45 | 0.1 | undecidable | manual | S | 18 | 12.876 | 112 | 0.03 | 100 |
IV.RCAV.EHZ. | 2020-07-28T15:07:58.48 | 0.3 | undecidable | manual | P | 56 | 28.749 | 93 | 0.16 | 71 |
IV.LATB.EHN. | 2020-07-28T15:07:58.79 | 0.3 | undecidable | manual | P | 132 | 34.1436 | 92 | -0.36 | 67 |
IV.VIVA.HHZ. | 2020-07-28T15:07:57.79 | 0.6 | undecidable | manual | S | 60 | 10.7781 | 121 | -0.13 | 49 |
IV.SAMA.EHZ. | 2020-07-28T15:07:57.33 | 0.6 | undecidable | manual | S | 328 | 10.2786 | 123 | -0.49 | 46 |
IV.RDP.HHZ. | 2020-07-28T15:07:57.35 | 0.3 | undecidable | manual | S | 34 | 7.881 | 135 | 0.04 | 75 |
IV.RMP.HHZ. | 2020-07-28T15:07:56.01 | 0.1 | negative | manual | P | 18 | 12.876 | 112 | 0.11 | 98 |
IV.MA9.HHZ. | 2020-07-28T15:07:56.92 | 0.3 | undecidable | manual | S | 1 | 7.5813 | 136 | -0.33 | 72 |
IV.LAV9.HHZ. | 2020-07-28T15:07:56.82 | 0.6 | undecidable | manual | S | 127 | 4.2957 | 154 | 0.07 | 49 |
IV.MA9.HHZ. | 2020-07-28T15:07:55.25 | 0.1 | undecidable | manual | P | 1 | 7.5813 | 136 | 0.02 | 100 |
IV.RDP.HHZ. | 2020-07-28T15:07:55.37 | 0.1 | undecidable | manual | P | 34 | 7.881 | 135 | 0.11 | 98 |
IV.LAV9.HHZ. | 2020-07-28T15:07:55.16 | 0.1 | undecidable | manual | P | 127 | 4.2957 | 154 | 0.22 | 96 |
IV.VIVA.HHZ. | 2020-07-28T15:07:55.80 | 0.1 | undecidable | manual | P | 60 | 10.7781 | 121 | 0.19 | 97 |
IV.SAMA.EHZ. | 2020-07-28T15:07:55.36 | 0.1 | positive | manual | P | 328 | 10.2786 | 123 | -0.19 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LAV9.HHE. | ML:2.2 | 0.0021762459999999997 | 0.3968 | AML | other | m | 2020-07-28T15:07:57.05 |
IV.LAV9.HNE. | ML:2.2 | 0.0022743735000000003 | 0.448 | AML | other | m | 2020-07-28T15:07:57.05 |
IV.LAV9.HHN. | ML:2.3 | 0.0026624475 | 0.5632 | AML | other | m | 2020-07-28T15:07:57.13 |
IV.LAV9.HNN. | ML:2.3 | 0.002669813 | 0.576 | AML | other | m | 2020-07-28T15:07:57.13 |
IV.RDP.HHN. | ML:2.1 | 0.0016433855 | 0.3456 | AML | other | m | 2020-07-28T15:07:57.82 |
IV.RDP.HHE. | ML:1.6 | 0.0005697625149999999 | 0.128 | AML | other | m | 2020-07-28T15:07:57.80 |
IV.VIVA.HHE. | ML:2.0 | 0.0011567655 | 0.4352 | AML | other | m | 2020-07-28T15:07:58.35 |
IV.RMP.HHE. | ML:2.4 | 0.002596141 | 0.1152 | AML | other | m | 2020-07-28T15:07:58.59 |
IV.VIVA.HHN. | ML:2.1 | 0.0014673865 | 0.2048 | AML | other | m | 2020-07-28T15:07:58.51 |
IV.RMP.HHN. | ML:2.4 | 0.002609289 | 0.2432 | AML | other | m | 2020-07-28T15:07:58.75 |
IV.GIUL.HHN. | ML:0.9 | 0.00002153994 | 0.4096 | AML | other | m | 2020-07-28T15:08:09.29 |
IV.GIUL.HHE. | ML:0.9 | 0.000017837 | 0.2176 | AML | other | m | 2020-07-28T15:08:09.61 |