A magnitude ML 1.1 earthquake occured in region: 4 km SW Bisegna (AQ), on
and geographic coordinates (lat, lon) 41.8970, 13.7280 at 14 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 |
---|---|---|---|---|
Bisegna | AQ | 4 | 223 | 223 |
Lecce nei Marsi | AQ | 5 | 1702 | 1925 |
Gioia dei Marsi | AQ | 7 | 1989 | 3914 |
Villavallelonga | AQ | 9 | 919 | 4833 |
Ortucchio | AQ | 9 | 1860 | 6693 |
Villalago | AQ | 10 | 568 | 7261 |
Pescasseroli | AQ | 11 | 2203 | 9464 |
Ortona dei Marsi | AQ | 11 | 542 | 10006 |
Collelongo | AQ | 12 | 1233 | 11239 |
Anversa degli Abruzzi | AQ | 13 | 341 | 11580 |
Scanno | AQ | 13 | 1847 | 13427 |
San Benedetto dei Marsi | AQ | 15 | 3909 | 17336 |
Pescina | AQ | 15 | 4133 | 21469 |
Opi | AQ | 16 | 420 | 21889 |
Cocullo | AQ | 16 | 230 | 22119 |
Trasacco | AQ | 17 | 6246 | 28365 |
Balsorano | AQ | 17 | 3569 | 31934 |
Pescosolido | FR | 17 | 1555 | 33489 |
Bugnara | AQ | 18 | 1125 | 34614 |
Campoli Appennino | FR | 18 | 1725 | 36339 |
San Vincenzo Valle Roveto | AQ | 18 | 2347 | 38686 |
Introdacqua | AQ | 19 | 2126 | 40812 |
Prezza | AQ | 20 | 945 | 41757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-02-17 00:16:21 |
41.8973 | 13.7277 | 14 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87276611 |
Reviewed Rev100 |
ML 1.1 | 2021-02-17 00:16:21 |
41.8962 | 13.7252 | 13 | 2021-02-17 00:27:46 |
Sala Sismica INGV-Roma | 87223371 |
Field | Value |
---|---|
Time (UTC) | 2021-02-17 00:16:21 ± 0.13 |
Latitude | 41.8973 ± 0.0045 |
Longitude | 13.7277 ± 0.0072 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87276611 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 589 |
Semi-minor axis of confidence ellipse (meter) | 96 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 19 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38311 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87223371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-17 00:27:46 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 87276611 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-19 07:57:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CERA.HNE. | 2021-02-17T00:16:35.48 | 0.1 | undecidable | manual | S | 144 | 41.0256 | 96 | 0.15 | 91 |
IV.FAGN.HHN. | 2021-02-17T00:16:35.85 | 0.6 | undecidable | manual | S | 344 | 42.5241 | 95 | 0.12 | 47 |
IV.T0110.HHZ. | 2021-02-17T00:16:34.77 | 0.6 | undecidable | manual | S | 6 | 37.0296 | 96 | 0.5 | 43 |
IV.PTQR.HHN. | 2021-02-17T00:16:32.64 | 0.1 | undecidable | manual | S | 297 | 30.3474 | 99 | 0.15 | 96 |
IT.SULP.HGE. | 2021-02-17T00:16:31.37 | 0.1 | undecidable | manual | S | 38 | 26.5512 | 101 | -0.13 | 96 |
IV.FAGN.HHN. | 2021-02-17T00:16:30.71 | 0.1 | undecidable | manual | P | 344 | 42.5241 | 95 | 0.83 | 75 |
IV.INTR.HHZ. | 2021-02-17T00:16:29.49 | 0.1 | undecidable | manual | S | 49 | 19.3695 | 109 | -0.15 | 96 |
IV.T0110.HHZ. | 2021-02-17T00:16:29.05 | 0.1 | undecidable | manual | P | 6 | 37.0296 | 96 | 0.01 | 96 |
IV.POFI.HHE. | 2021-02-17T00:16:29.89 | 0.1 | undecidable | manual | S | 184 | 19.9689 | 108 | 0.08 | 97 |
IV.CERA.HNE. | 2021-02-17T00:16:29.49 | 0.1 | undecidable | manual | P | 144 | 41.0256 | 96 | -0.16 | 93 |
IT.OPI.HGE. | 2021-02-17T00:16:29.05 | 0.1 | undecidable | manual | S | 148 | 15.873 | 117 | 0.26 | 94 |
IV.PTQR.HHN. | 2021-02-17T00:16:27.63 | 0.1 | undecidable | manual | P | 297 | 30.3474 | 99 | -0.38 | 89 |
IV.LRP.EHE. | 2021-02-17T00:16:27.73 | 0.1 | undecidable | manual | P | 203 | 30.1476 | 99 | -0.25 | 92 |
IV.VVLD.HHZ. | 2021-02-17T00:16:27.12 | 0.1 | undecidable | manual | S | 250 | 9.1797 | 138 | -0.23 | 94 |
IT.SULP.HGE. | 2021-02-17T00:16:26.75 | 0.1 | undecidable | manual | P | 38 | 26.5512 | 101 | -0.69 | 82 |
IV.INTR.HHZ. | 2021-02-17T00:16:26.35 | 0.1 | undecidable | manual | P | 49 | 19.3695 | 109 | -0.01 | 99 |
IV.POFI.HHE. | 2021-02-17T00:16:26.50 | 0.1 | undecidable | manual | P | 184 | 19.9689 | 108 | 0.04 | 98 |
IV.VVLD.HHZ. | 2021-02-17T00:16:25.06 | 0.1 | negative | manual | P | 250 | 9.1797 | 138 | 0.02 | 100 |
IT.OPI.HGE. | 2021-02-17T00:16:25.99 | 0.1 | undecidable | manual | P | 148 | 15.873 | 117 | 0.12 | 97 |
IV.BSSO.HNZ. | 2021-02-17T00:16:22.11 | 3.0 | undecidable | manual | P | 0 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VVLD.HHN. | ML:1.0 | 0.00010899999999999999 | 0.38 | AML | other | m | 2021-02-17T00:16:27.32 |
IV.VVLD.HHE. | ML:1.3 | 0.0002 | 0.22 | AML | other | m | 2021-02-17T00:16:27.37 |
IV.VVLD.HNE. | ML:1.0 | 0.00011317905 | 0.12 | AML | other | m | 2021-02-17T00:16:27.37 |
IV.VVLD.HNN. | ML:1.1 | 0.0001466477 | 0.45 | AML | other | m | 2021-02-17T00:16:29.33 |
IV.INTR.HNN. | ML:1.4 | 0.0001814555 | 1.01 | AML | other | m | 2021-02-17T00:16:29.41 |
IV.INTR.HNE. | ML:1.2 | 0.00011861887 | 0.83 | AML | other | m | 2021-02-17T00:16:30.48 |
IV.INTR.HHE. | ML:1.1 | 0.00008085 | 0.98 | AML | other | m | 2021-02-17T00:16:30.85 |
IV.INTR.HHN. | ML:1.2 | 0.00010020000000000001 | 0.12 | AML | other | m | 2021-02-17T00:16:30.48 |
IV.T0110.HHN. | ML:0.7 | 0.000020059323499999997 | 0.6 | AML | other | m | 2021-02-17T00:16:34.89 |
IV.T0110.HHE. | ML:0.8 | 0.000025816714 | 0.16 | AML | other | m | 2021-02-17T00:16:36.54 |