A magnitude ML 1.6 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7870, 13.2240 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 6 | 1178 | 1178 |
Accumoli | RI | 10 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 11 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Acquasanta Terme | AP | 15 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Amatrice | RI | 18 | 2657 | 14507 |
Cascia | PG | 19 | 3217 | 17724 |
Ussita | MC | 19 | 444 | 18168 |
Cittareale | RI | 20 | 482 | 18650 |
Visso | MC | 20 | 1107 | 19757 |
Montefortino | FM | 20 | 1178 | 20935 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-02-28 04:29:44 |
42.7872 | 13.2243 | 9 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87946181 |
Reviewed Rev100 |
ML 1.6 | 2021-02-28 04:29:44 |
42.7913 | 13.2245 | 9 | 2021-02-28 04:38:26 |
Sala Sismica INGV-Roma | 87559941 |
Field | Value |
---|---|
Time (UTC) | 2021-02-28 04:29:44 ± 0.06 |
Latitude | 42.7872 ± 0.0027 |
Longitude | 13.2243 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87946181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 381 |
Semi-minor axis of confidence ellipse (meter) | 182 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 89 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 59 |
Number of associated phases, regardless of their use for origin computation | 51 |
Number of defining phases | 50 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.09353 |
Epicentral distance of station farthest from the epicenter (degree) | 0.54949 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 26 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 87559941 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-28 04:38:26 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 87946181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-09 17:18:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2021-02-28T04:30:04.59 | 0.3 | undecidable | manual | S | 351 | 60.9945 | 50 | 1.21 | 46 |
IV.CESX.HHE. | 2021-02-28T04:30:02.49 | 1.0 | undecidable | manual | S | 249 | 55.5999 | 50 | 0.53 | 21 |
IV.MOMA.HNZ. | 2021-02-28T04:30:01.82 | 0.3 | undecidable | manual | S | 272 | 53.3022 | 50 | 0.48 | 64 |
IV.MNTT.EHE. | 2021-02-28T04:30:00.17 | 1.0 | undecidable | manual | S | 45 | 42.8238 | 50 | 1.61 | 13 |
IV.ARRO.EHZ. | 2021-02-28T04:29:59.60 | 3.0 | undecidable | manual | S | 238 | 43.9227 | 50 | 0.75 | 0 |
IV.PF6.EHN. | 2021-02-28T04:29:57.38 | 0.6 | undecidable | manual | S | 356 | 38.9277 | 50 | -0.13 | 47 |
IV.MML1.HNE. | 2021-02-28T04:29:57.86 | 0.3 | undecidable | manual | S | 331 | 41.625 | 50 | -0.36 | 67 |
IV.SAP2.EHE. | 2021-02-28T04:29:57.92 | 0.3 | undecidable | manual | S | 22 | 37.1295 | 50 | 0.89 | 56 |
IV.GUMA.HHZ. | 2021-02-28T04:29:56.32 | 0.3 | undecidable | manual | S | 16 | 31.8459 | 50 | 0.71 | 61 |
IV.CESI.HHE. | 2021-02-28T04:29:56.50 | 0.3 | undecidable | manual | S | 313 | 35.4423 | 50 | -0.08 | 72 |
IV.TERO.HHZ. | 2021-02-28T04:29:56.16 | 0.3 | undecidable | manual | S | 120 | 35.9418 | 50 | -0.54 | 65 |
IV.MF5.EHZ. | 2021-02-28T04:29:55.29 | 0.3 | undecidable | manual | S | 41 | 29.3484 | 107 | 0.45 | 67 |
IV.CSP1.EHZ. | 2021-02-28T04:29:55.78 | 0.3 | undecidable | manual | S | 357 | 33.8439 | 50 | -0.36 | 68 |
IV.EL6.EHZ. | 2021-02-28T04:29:55.25 | 0.1 | undecidable | manual | P | 351 | 60.9945 | 50 | -0.02 | 93 |
IV.RM33.HNZ. | 2021-02-28T04:29:55.43 | 0.3 | undecidable | manual | S | 182 | 30.8469 | 106 | 0.08 | 73 |
IT.MTCL.HGZ. | 2021-02-28T04:29:54.40 | 0.3 | undecidable | manual | S | 321 | 29.3484 | 107 | -0.43 | 68 |
IV.GAVE.EHN. | 2021-02-28T04:29:54.71 | 0.3 | undecidable | manual | S | 249 | 28.8489 | 107 | 0.02 | 74 |
IV.LNSS.HHZ. | 2021-02-28T04:29:54.10 | 0.3 | undecidable | manual | S | 216 | 25.3524 | 110 | 0.57 | 65 |
IV.FDMO.HHZ. | 2021-02-28T04:29:54.74 | 0.3 | undecidable | manual | S | 338 | 29.8479 | 107 | -0.25 | 70 |
IV.MNTT.EHE. | 2021-02-28T04:29:53.45 | 1.0 | undecidable | manual | P | 45 | 42.8238 | 50 | 0.97 | 18 |
IV.MOMA.HNZ. | 2021-02-28T04:29:53.14 | 0.3 | undecidable | manual | P | 272 | 53.3022 | 50 | -0.95 | 53 |
IV.FEMA.HNE. | 2021-02-28T04:29:53.40 | 0.3 | undecidable | manual | S | 324 | 24.0537 | 110 | 0.3 | 70 |
IV.CESX.HHE. | 2021-02-28T04:29:53.76 | 1.0 | undecidable | manual | P | 249 | 55.5999 | 50 | -0.69 | 20 |
IV.MML1.HNE. | 2021-02-28T04:29:52.19 | 0.1 | undecidable | manual | P | 331 | 41.625 | 50 | -0.1 | 95 |
IV.ARRO.EHZ. | 2021-02-28T04:29:52.67 | 0.1 | undecidable | manual | P | 238 | 43.9227 | 50 | 0.02 | 96 |
IV.SMA1.EHZ. | 2021-02-28T04:29:51.77 | 1.0 | undecidable | manual | S | 153 | 19.5693 | 115 | 0.1 | 25 |
IV.PF6.EHN. | 2021-02-28T04:29:51.54 | 0.1 | undecidable | manual | P | 356 | 38.9277 | 50 | -0.34 | 91 |
IV.T1299.EHZ. | 2021-02-28T04:29:51.49 | 1.0 | undecidable | manual | S | 164 | 17.5713 | 117 | 0.44 | 23 |
IV.CESI.HHE. | 2021-02-28T04:29:51.37 | 0.1 | undecidable | manual | P | 313 | 35.4423 | 50 | 0.03 | 97 |
IV.SAP2.EHE. | 2021-02-28T04:29:51.55 | 0.3 | undecidable | manual | P | 22 | 37.1295 | 50 | -0.05 | 72 |
IV.TERO.HHZ. | 2021-02-28T04:29:50.99 | 0.1 | undecidable | manual | P | 120 | 35.9418 | 50 | -0.42 | 90 |
IV.RM33.HNZ. | 2021-02-28T04:29:50.50 | 0.1 | undecidable | manual | P | 182 | 30.8469 | 106 | -0.13 | 96 |
IV.MC2.EHZ. | 2021-02-28T04:29:50.04 | 0.3 | undecidable | manual | S | 348 | 14.0748 | 123 | 0.05 | 75 |
IV.CAMP.HHE. | 2021-02-28T04:29:50.42 | 1.0 | undecidable | manual | P | 152 | 31.746 | 50 | -0.34 | 23 |
IV.MF5.EHZ. | 2021-02-28T04:29:50.41 | 0.1 | undecidable | manual | P | 41 | 29.3484 | 107 | 0.07 | 97 |
IT.MTCL.HGZ. | 2021-02-28T04:29:50.12 | 0.1 | undecidable | manual | P | 321 | 29.3484 | 107 | -0.22 | 95 |
IV.GAVE.EHN. | 2021-02-28T04:29:50.31 | 0.1 | undecidable | manual | P | 249 | 28.8489 | 107 | 0.06 | 98 |
IV.CSP1.EHZ. | 2021-02-28T04:29:50.80 | 0.1 | undecidable | manual | P | 357 | 33.8439 | 50 | -0.29 | 92 |
IV.GUMA.HHZ. | 2021-02-28T04:29:50.82 | 0.1 | undecidable | manual | P | 16 | 31.8459 | 50 | 0.03 | 98 |
IV.FDMO.HHZ. | 2021-02-28T04:29:50.15 | 0.1 | undecidable | manual | P | 338 | 29.8479 | 107 | -0.28 | 93 |
IV.MMO1.EHZ. | 2021-02-28T04:29:49.91 | 0.3 | undecidable | manual | S | 34 | 14.9739 | 121 | -0.34 | 71 |
IV.FEMA.HNE. | 2021-02-28T04:29:49.46 | 0.6 | undecidable | manual | P | 324 | 24.0537 | 110 | 0.13 | 49 |
IV.MTRA.EHZ. | 2021-02-28T04:29:49.83 | 0.3 | undecidable | manual | S | 104 | 14.3745 | 122 | -0.26 | 72 |
IV.LNSS.HHZ. | 2021-02-28T04:29:49.62 | 0.1 | undecidable | manual | P | 216 | 25.3524 | 110 | 0.04 | 99 |
IV.T1299.EHZ. | 2021-02-28T04:29:48.44 | 0.1 | undecidable | manual | P | 164 | 17.5713 | 117 | 0.29 | 95 |
IV.SMA1.EHZ. | 2021-02-28T04:29:48.48 | 0.1 | undecidable | manual | P | 153 | 19.5693 | 115 | -0.03 | 100 |
IV.NRCA.HHZ. | 2021-02-28T04:29:48.99 | 0.3 | undecidable | manual | S | 300 | 10.3785 | 131 | 0.05 | 76 |
IV.NRCA.HHZ. | 2021-02-28T04:29:47.06 | 0.1 | undecidable | manual | P | 300 | 10.3785 | 131 | 0.12 | 100 |
IV.MMO1.EHZ. | 2021-02-28T04:29:47.52 | 0.1 | undecidable | manual | P | 34 | 14.9739 | 121 | -0.17 | 98 |
IV.MC2.EHZ. | 2021-02-28T04:29:47.66 | 0.1 | undecidable | manual | P | 348 | 14.0748 | 123 | 0.12 | 99 |
IV.MTRA.EHZ. | 2021-02-28T04:29:47.80 | 0.1 | undecidable | manual | P | 104 | 14.3745 | 122 | 0.2 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.000586 | 0.68 | AML | other | m | 2021-02-28T04:29:49.37 |
IV.NRCA.HHN. | ML:1.7 | 0.0006295 | 0.3 | AML | other | m | 2021-02-28T04:29:49.31 |
IV.NRCA.HNN. | ML:1.6 | 0.0005163983 | 0.08 | AML | other | m | 2021-02-28T04:29:49.46 |
IV.MTRA.EHN. | ML:1.7 | 0.0004755 | 0.36 | AML | other | m | 2021-02-28T04:29:50.49 |
IV.MTRA.EHE. | ML:1.6 | 0.0003804999999999999 | 0.24 | AML | other | m | 2021-02-28T04:29:50.87 |
IV.MTRA.HNE. | ML:1.6 | 0.000393 | 0.24 | AML | other | m | 2021-02-28T04:29:50.87 |
IV.MTRA.HNN. | ML:1.7 | 0.000571 | 0.98 | AML | other | m | 2021-02-28T04:29:50.48 |
IV.LNSS.HHE. | ML:1.4 | 0.00015000000000000001 | 0.14 | AML | other | m | 2021-02-28T04:29:54.84 |
IV.FDMO.HHE. | ML:1.0 | 0.00005378285500000001 | 0.24 | AML | other | m | 2021-02-28T04:29:55.18 |
IV.MF5.EHN. | ML:1.2 | 0.000071739208 | 1.1392 | AML | other | m | 2021-02-28T04:29:55.07 |
IV.LNSS.HHN. | ML:1.3 | 0.00010805000000000001 | 0.32 | AML | other | m | 2021-02-28T04:29:55.12 |
IV.FDMO.HHN. | ML:1.0 | 0.00005725176 | 0.24 | AML | other | m | 2021-02-28T04:29:55.60 |
IV.CSP1.EHE. | ML:1.6 | 0.00017274984999999997 | 1.3184 | AML | other | m | 2021-02-28T04:29:56.69 |
IV.CSP1.EHN. | ML:1.7 | 0.000200722155 | 0.32 | AML | other | m | 2021-02-28T04:29:56.60 |
IV.GUMA.HHN. | ML:1.6 | 0.00018980353 | 0.3616 | AML | other | m | 2021-02-28T04:29:57.04 |
IV.GUMA.HNE. | ML:1.8 | 0.00029740645 | 1.7216 | AML | other | m | 2021-02-28T04:29:57.08 |
IV.GUMA.HHE. | ML:1.9 | 0.0003980394 | 1.6416 | AML | other | m | 2021-02-28T04:29:57.11 |