A magnitude ML 1.1 earthquake occured in region: 6 km NW Colonna (RM), on
and geographic coordinates (lat, lon) 41.8700, 12.7020 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 |
---|---|---|---|---|
Colonna | RM | 6 | 4287 | 4287 |
Monte Porzio Catone | RM | 6 | 8693 | 12980 |
Frascati | RM | 7 | 22087 | 35067 |
Monte Compatri | RM | 7 | 11978 | 47045 |
Grottaferrata | RM | 9 | 20327 | 67372 |
Rocca Priora | RM | 10 | 11962 | 79334 |
San Cesareo | RM | 10 | 15153 | 94487 |
Gallicano nel Lazio | RM | 10 | 6334 | 100821 |
Ciampino | RM | 11 | 38412 | 139233 |
Zagarolo | RM | 11 | 17843 | 157076 |
Marino | RM | 12 | 43026 | 200102 |
Rocca di Papa | RM | 12 | 17034 | 217136 |
Tivoli | RM | 13 | 56533 | 273669 |
Castel Gandolfo | RM | 14 | 8997 | 282666 |
Guidonia Montecelio | RM | 15 | 88673 | 371339 |
San Gregorio da Sassola | RM | 15 | 1619 | 372958 |
Fonte Nuova | RM | 16 | 32562 | 405520 |
Palestrina | RM | 16 | 21672 | 427192 |
Casape | RM | 16 | 744 | 427936 |
Albano Laziale | RM | 16 | 41715 | 469651 |
Poli | RM | 16 | 2418 | 472069 |
Castel San Pietro Romano | RM | 16 | 902 | 472971 |
Nemi | RM | 17 | 1943 | 474914 |
Ariccia | RM | 17 | 19407 | 494321 |
Labico | RM | 18 | 6379 | 500700 |
Genzano di Roma | RM | 18 | 23970 | 524670 |
Castel Madama | RM | 18 | 7399 | 532069 |
Roma | RM | 18 | 2864731 | 3396800 |
Sant'Angelo Romano | RM | 18 | 5018 | 3401818 |
Mentana | RM | 19 | 22921 | 3424739 |
Lariano | RM | 19 | 13432 | 3438171 |
Marcellina | RM | 19 | 7280 | 3445451 |
San Polo dei Cavalieri | RM | 20 | 2992 | 3448443 |
Cave | RM | 20 | 11287 | 3459730 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2020-05-11 22:51:48 |
41.8703 | 12.7018 | 9 | 2020-11-19 12:36:45 |
Bollettino Sismico Italiano INGV | 79414301 |
Reviewed Rev100 |
ML 1.7 | 2020-05-11 22:51:48 |
41.8735 | 12.6975 | 9 | 2020-05-11 23:02:40 |
Sala Sismica INGV-Roma | 79059821 |
Field | Value |
---|---|
Time (UTC) | 2020-05-11 22:51:48 ± 0.07 |
Latitude | 41.8703 ± 0.0036 |
Longitude | 12.7018 ± 0.0060 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79414301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 499 |
Semi-minor axis of confidence ellipse (meter) | 260 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 111 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 23 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.05846 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51711 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 79414301 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-01 13:16:45 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 79059821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-11 23:02:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIUL.HHZ. | 2020-05-11T22:52:07.11 | 0.3 | undecidable | manual | S | 127 | 57.3981 | 50 | 0.05 | 69 |
IV.FIAM.HNN. | 2020-05-11T22:52:06.56 | 0.6 | undecidable | manual | S | 38 | 55.7997 | 50 | -0.08 | 46 |
IV.SRES.HHZ. | 2020-05-11T22:52:03.43 | 0.6 | undecidable | manual | S | 339 | 43.623 | 50 | 0.04 | 47 |
IV.FIAM.HNN. | 2020-05-11T22:52:00.08 | 0.6 | undecidable | manual | P | 38 | 55.7997 | 50 | 0.96 | 34 |
IV.GIUL.HHZ. | 2020-05-11T22:51:58.97 | 0.3 | undecidable | manual | P | 127 | 57.3981 | 50 | -0.39 | 64 |
IV.SRES.HHZ. | 2020-05-11T22:51:57.14 | 0.3 | undecidable | manual | P | 339 | 43.623 | 50 | -0.1 | 70 |
IV.CERT.HHZ. | 2020-05-11T22:51:57.63 | 0.3 | undecidable | manual | S | 69 | 24.6531 | 110 | -0.33 | 69 |
IV.RCAV.EHZ. | 2020-05-11T22:51:56.45 | 0.6 | undecidable | manual | S | 97 | 20.2686 | 114 | -0.08 | 49 |
IV.VIVA.HHZ. | 2020-05-11T22:51:55.00 | 0.3 | undecidable | manual | S | 157 | 14.4744 | 122 | 0.24 | 71 |
IV.MTCE.HHZ. | 2020-05-11T22:51:55.68 | 0.3 | undecidable | manual | S | 11 | 17.2716 | 118 | 0.09 | 73 |
IV.RDP.HHZ. | 2020-05-11T22:51:54.19 | 0.3 | undecidable | manual | S | 177 | 12.1767 | 127 | 0.08 | 74 |
IV.SAMA.EHZ. | 2020-05-11T22:51:54.00 | 0.3 | undecidable | manual | S | 222 | 13.4754 | 124 | -0.47 | 68 |
IV.CERT.HHZ. | 2020-05-11T22:51:53.77 | 0.1 | undecidable | manual | P | 69 | 24.6531 | 110 | -0.33 | 92 |
IV.MA9.HHE. | 2020-05-11T22:51:53.72 | 0.3 | undecidable | manual | S | 198 | 11.6772 | 128 | -0.25 | 71 |
IV.RCAV.EHZ. | 2020-05-11T22:51:53.25 | 0.3 | undecidable | manual | P | 97 | 20.2686 | 114 | -0.03 | 74 |
IV.LAV9.HHZ. | 2020-05-11T22:51:53.58 | 0.3 | undecidable | manual | P | 181 | 21.3675 | 113 | 0.09 | 73 |
IV.RDP.HHZ. | 2020-05-11T22:51:52.00 | 0.3 | undecidable | manual | P | 177 | 12.1767 | 127 | 0.12 | 73 |
IV.VIVA.HHZ. | 2020-05-11T22:51:52.49 | 0.1 | undecidable | manual | P | 157 | 14.4744 | 122 | 0.24 | 95 |
IV.RMP.HHZ. | 2020-05-11T22:51:52.86 | 0.6 | undecidable | manual | S | 178 | 6.4935 | 144 | 0.16 | 49 |
IV.MTCE.HHZ. | 2020-05-11T22:51:52.88 | 0.1 | undecidable | manual | P | 11 | 17.2716 | 118 | 0.15 | 96 |
IV.MA9.HHE. | 2020-05-11T22:51:51.81 | 0.1 | undecidable | manual | P | 198 | 11.6772 | 128 | 0.01 | 100 |
IV.RMP.HHZ. | 2020-05-11T22:51:51.31 | 0.1 | undecidable | manual | P | 178 | 6.4935 | 144 | 0.25 | 96 |
IV.SAMA.EHZ. | 2020-05-11T22:51:51.98 | 0.1 | undecidable | manual | P | 222 | 13.4754 | 124 | -0.11 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RMP.HHE. | ML:2.0 | 0.0014978325 | 0.1408 | AML | other | m | 2020-05-11T22:51:53.26 |
IV.MTCE.HHN. | ML:1.0 | 0.000086517265 | 0.3968 | AML | other | m | 2020-05-11T22:51:56.76 |
IV.MTCE.HHE. | ML:0.8 | 0.0000600311 | 0.3712 | AML | other | m | 2020-05-11T22:51:57.79 |
IV.VIVA.HHE. | ML:1.6 | 0.00038509834999999996 | 0.1664 | AML | other | m | 2020-05-11T22:51:58.20 |
IV.RCAV.EHN. | ML:0.8 | 0.000042958825 | 0.1408 | AML | other | m | 2020-05-11T22:51:58.84 |
IV.VIVA.HHN. | ML:1.6 | 0.00044698825 | 0.256 | AML | other | m | 2020-05-11T22:51:58.69 |
IV.RCAV.EHE. | ML:0.8 | 0.000046649250000000004 | 0.384 | AML | other | m | 2020-05-11T22:51:59.42 |
IV.SRES.HHN. | ML:0.8 | 0.00002156555 | 4.1216 | AML | other | m | 2020-05-11T22:52:06.99 |
IV.GIUL.HHN. | ML:1.0 | 0.00001818219 | 0.256 | AML | other | m | 2020-05-11T22:52:08.70 |
IV.RMP.HHN. | ML:1.9 | 0.0013730675 | 0.1024 | AML | other | m | 2020-05-11T22:51:53.43 |
IV.LAV9.HHE. | ML:1.5 | 0.00021892369999999999 | 0.3968 | AML | other | m | 2020-05-11T22:52:04.42 |
IV.LAV9.HHN. | ML:1.4 | 0.000174497765 | 0.2176 | AML | other | m | 2020-05-11T22:52:02.66 |
IV.LAV9.HNN. | ML:1.4 | 0.0001759584455 | 0.4736 | AML | other | m | 2020-05-11T22:52:05.43 |
IV.CERT.HHE. | ML:0.7 | 0.000030886075 | 0.192 | AML | other | m | 2020-05-11T22:51:58.98 |
IV.CERT.HHN. | ML:0.6 | 0.00002314838 | 0.1408 | AML | other | m | 2020-05-11T22:51:59.54 |