A magnitude ML 1.7 earthquake occured in region: 4 km N Villavallelonga (AQ), on
and geographic coordinates (lat, lon) 41.9040, 13.6320 at 15 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 |
---|---|---|---|---|
Villavallelonga | AQ | 4 | 919 | 919 |
Collelongo | AQ | 4 | 1233 | 2152 |
Lecce nei Marsi | AQ | 6 | 1702 | 3854 |
Ortucchio | AQ | 6 | 1860 | 5714 |
Gioia dei Marsi | AQ | 8 | 1989 | 7703 |
Trasacco | AQ | 10 | 6246 | 13949 |
Bisegna | AQ | 11 | 223 | 14172 |
San Benedetto dei Marsi | AQ | 12 | 3909 | 18081 |
San Vincenzo Valle Roveto | AQ | 12 | 2347 | 20428 |
Balsorano | AQ | 12 | 3569 | 23997 |
Civita d'Antino | AQ | 13 | 979 | 24976 |
Ortona dei Marsi | AQ | 13 | 542 | 25518 |
Pescina | AQ | 14 | 4133 | 29651 |
Luco dei Marsi | AQ | 15 | 6079 | 35730 |
Morino | AQ | 15 | 1448 | 37178 |
Pescasseroli | AQ | 17 | 2203 | 39381 |
Civitella Roveto | AQ | 17 | 3268 | 42649 |
Pescosolido | FR | 17 | 1555 | 44204 |
Villalago | AQ | 17 | 568 | 44772 |
Anversa degli Abruzzi | AQ | 18 | 341 | 45113 |
Collarmele | AQ | 18 | 894 | 46007 |
Cerchio | AQ | 18 | 1635 | 47642 |
Canistro | AQ | 19 | 995 | 48637 |
Cocullo | AQ | 19 | 230 | 48867 |
Campoli Appennino | FR | 19 | 1725 | 50592 |
Aielli | AQ | 20 | 1475 | 52067 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-01-22 16:43:32 |
41.9045 | 13.6317 | 15 | 2021-07-12 16:54:57 |
Bollettino Sismico Italiano INGV | 86812861 |
Reviewed Rev100 |
ML 1.7 | 2021-01-22 16:43:32 |
41.9013 | 13.6328 | 14 | 2021-01-22 16:53:56 |
Sala Sismica INGV-Roma | 86462681 |
Field | Value |
---|---|
Time (UTC) | 2021-01-22 16:43:32 ± 0.06 |
Latitude | 41.9045 ± 0.0036 |
Longitude | 13.6317 ± 0.0048 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86812861 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 408 |
Semi-minor axis of confidence ellipse (meter) | 89 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 106 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.03507 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44606 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 86462681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-22 16:53:56 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 86812861 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-03 17:35:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIUL.HHZ. | 2021-01-22T16:43:48.08 | 0.6 | undecidable | manual | S | 219 | 49.5171 | 96 | 0.22 | 44 |
IV.CERA.HHE. | 2021-01-22T16:43:47.55 | 0.6 | undecidable | manual | S | 137 | 46.7199 | 96 | 0.43 | 43 |
IV.LPEL.HHZ. | 2021-01-22T16:43:47.28 | 0.6 | undecidable | manual | S | 71 | 48.1185 | 96 | -0.22 | 44 |
IV.T0110.HHZ. | 2021-01-22T16:43:44.72 | 0.6 | undecidable | manual | S | 18 | 37.9287 | 99 | -0.09 | 46 |
IT.SULP.HGE. | 2021-01-22T16:43:43.20 | 0.6 | undecidable | manual | S | 51 | 31.5462 | 101 | 0.08 | 47 |
IT.SULA.HNZ. | 2021-01-22T16:43:43.00 | 0.6 | undecidable | manual | S | 51 | 30.0477 | 102 | 0.27 | 46 |
IV.LRP.EHZ. | 2021-01-22T16:43:42.38 | 0.6 | undecidable | manual | S | 187 | 28.749 | 103 | -0.02 | 48 |
IV.GUAR.HHE. | 2021-01-22T16:43:42.30 | 0.6 | undecidable | manual | S | 245 | 29.0487 | 103 | -0.17 | 47 |
IV.INTR.HHZ. | 2021-01-22T16:43:41.60 | 0.6 | undecidable | manual | S | 62 | 25.4523 | 106 | 0.06 | 48 |
IV.GIUL.HHZ. | 2021-01-22T16:43:40.91 | 0.3 | undecidable | manual | P | 219 | 49.5171 | 96 | -0.31 | 65 |
IV.POFI.HNE. | 2021-01-22T16:43:40.42 | 0.6 | undecidable | manual | S | 162 | 21.7671 | 110 | -0.18 | 47 |
IV.CERA.HHE. | 2021-01-22T16:43:40.48 | 0.3 | undecidable | manual | P | 137 | 46.7199 | 96 | -0.31 | 65 |
IV.PTQR.HHZ. | 2021-01-22T16:43:40.91 | 0.3 | undecidable | manual | S | 304 | 23.0547 | 108 | -0.02 | 72 |
IV.LPEL.HHZ. | 2021-01-22T16:43:40.69 | 0.3 | undecidable | manual | P | 71 | 48.1185 | 96 | -0.32 | 65 |
IV.FAGN.HHZ. | 2021-01-22T16:43:39.85 | 0.6 | undecidable | manual | P | 354 | 40.2264 | 98 | 0.05 | 47 |
IV.T0110.HHZ. | 2021-01-22T16:43:39.27 | 0.3 | undecidable | manual | P | 18 | 37.9287 | 99 | -0.18 | 68 |
IV.GUAR.HHE. | 2021-01-22T16:43:38.62 | 0.3 | undecidable | manual | P | 245 | 29.0487 | 103 | 0.51 | 64 |
IT.SULA.HNZ. | 2021-01-22T16:43:38.83 | 0.6 | undecidable | manual | P | 51 | 30.0477 | 102 | 0.57 | 42 |
IT.SULP.HGE. | 2021-01-22T16:43:38.63 | 0.3 | undecidable | manual | P | 51 | 31.5462 | 101 | 0.15 | 70 |
IV.LRP.EHZ. | 2021-01-22T16:43:38.03 | 0.3 | undecidable | manual | P | 187 | 28.749 | 103 | -0.03 | 72 |
IV.POFI.HNE. | 2021-01-22T16:43:37.01 | 0.1 | positive | manual | P | 162 | 21.7671 | 110 | -0.02 | 97 |
IV.PTQR.HHZ. | 2021-01-22T16:43:37.09 | 0.1 | negative | manual | P | 304 | 23.0547 | 108 | -0.13 | 94 |
IV.VVLD.HHZ. | 2021-01-22T16:43:37.13 | 0.1 | undecidable | manual | S | 190 | 3.8961 | 162 | -0.02 | 100 |
IV.INTR.HHZ. | 2021-01-22T16:43:37.49 | 0.1 | negative | manual | P | 62 | 25.4523 | 106 | -0.08 | 95 |
IV.VVLD.HHZ. | 2021-01-22T16:43:35.12 | 0.1 | negative | manual | P | 190 | 3.8961 | 162 | 0.09 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VVLD.HNE. | ML:1.8 | 0.0006540000000000001 | 0.16 | AML | other | m | 2021-01-22T16:43:37.29 |
IV.VVLD.HHE. | ML:1.8 | 0.0007224999999999999 | 0.16 | AML | other | m | 2021-01-22T16:43:37.29 |
IV.VVLD.HHN. | ML:1.7 | 0.0006145 | 0.4 | AML | other | m | 2021-01-22T16:43:37.24 |
IV.VVLD.HNN. | ML:1.7 | 0.0005595 | 0.38 | AML | other | m | 2021-01-22T16:43:37.25 |
IV.PTQR.HHE. | ML:1.2 | 0.00009699513499999999 | 1.8208 | AML | other | m | 2021-01-22T16:43:41.08 |
IV.INTR.HHN. | ML:1.9 | 0.0003988235 | 0.1408 | AML | other | m | 2021-01-22T16:43:41.84 |
IV.INTR.HNN. | ML:1.9 | 0.00038372565 | 0.128 | AML | other | m | 2021-01-22T16:43:41.84 |
IV.INTR.HHE. | ML:1.8 | 0.00032277499999999997 | 0.1408 | AML | other | m | 2021-01-22T16:43:42.16 |
IV.INTR.HNE. | ML:1.8 | 0.00030409405 | 0.3584 | AML | other | m | 2021-01-22T16:43:42.57 |
IV.PTQR.HHN. | ML:1.2 | 0.00009240000000000001 | 0.46 | AML | other | m | 2021-01-22T16:43:42.58 |
IV.T0110.HHE. | ML:1.5 | 0.00012038915 | 0.1792 | AML | other | m | 2021-01-22T16:43:46.03 |
IV.T0110.HHN. | ML:1.6 | 0.00012491315 | 0.384 | AML | other | m | 2021-01-22T16:43:47.64 |
IV.LPEL.HHE. | ML:1.7 | 0.000118 | 0.12 | AML | other | m | 2021-01-22T16:43:48.81 |
IV.LPEL.HHN. | ML:1.6 | 0.000100860005 | 0.1408 | AML | other | m | 2021-01-22T16:43:48.81 |
IV.FAGN.HHE. | ML:1.8 | 0.00021650000000000003 | 0.5 | AML | other | m | 2021-01-22T16:43:49.66 |
IV.FAGN.HHN. | ML:1.7 | 0.000162 | 0.36 | AML | other | m | 2021-01-22T16:43:51.35 |
IV.LPEL.HNE. | ML:1.8 | 0.00015411864 | 0.3712 | AML | other | m | 2021-01-22T16:43:50.64 |
IV.LPEL.HNN. | ML:1.7 | 0.00013475426499999998 | 0.6784 | AML | other | m | 2021-01-22T16:43:46.48 |