A magnitude ML 1.5 earthquake occured in region: 6 km SW Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8300, 13.4210 at 21 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 |
---|---|---|---|---|
Roccafluvione | AP | 6 | 2010 | 2010 |
Acquasanta Terme | AP | 7 | 2916 | 4926 |
Montegallo | AP | 7 | 523 | 5449 |
Venarotta | AP | 8 | 2066 | 7515 |
Palmiano | AP | 8 | 196 | 7711 |
Montemonaco | AP | 11 | 604 | 8315 |
Arquata del Tronto | AP | 12 | 1178 | 9493 |
Valle Castellana | TE | 12 | 977 | 10470 |
Ascoli Piceno | AP | 13 | 49407 | 59877 |
Montefortino | FM | 14 | 1178 | 61055 |
Comunanza | AP | 14 | 3166 | 64221 |
Force | AP | 16 | 1354 | 65575 |
Folignano | AP | 17 | 9241 | 74816 |
Amandola | FM | 18 | 3629 | 78445 |
Montefalcone Appennino | FM | 18 | 424 | 78869 |
Rotella | AP | 18 | 906 | 79775 |
Rocca Santa Maria | TE | 18 | 537 | 80312 |
Smerillo | FM | 20 | 365 | 80677 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-01-26 17:20:22 |
42.8305 | 13.4207 | 21 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87496291 |
Field | Value |
---|---|
Time (UTC) | 2021-01-26 17:20:22 ± 0.09 |
Latitude | 42.8305 ± 0.0027 |
Longitude | 13.4207 ± 0.0061 |
Depth (km) | 21 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87496291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 540 |
Semi-minor axis of confidence ellipse (meter) | 0 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 76 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
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) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.07554 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35973 |
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 | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 87496291 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-26 09:18:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHZ. | 2021-01-26T17:20:36.81 | 0.6 | undecidable | manual | S | 231 | 39.9267 | 109 | 0.4 | 45 |
IV.CSP1.EHZ. | 2021-01-26T17:20:34.89 | 0.6 | undecidable | manual | S | 329 | 33.8439 | 113 | 0.01 | 49 |
IV.FDMO.HHZ. | 2021-01-26T17:20:34.95 | 0.6 | undecidable | manual | S | 310 | 35.4423 | 112 | -0.32 | 46 |
IV.TERO.HHZ. | 2021-01-26T17:20:33.43 | 0.6 | undecidable | manual | S | 147 | 27.4503 | 119 | 0.08 | 49 |
IV.MC2.EHZ. | 2021-01-26T17:20:32.21 | 0.3 | undecidable | manual | S | 296 | 20.868 | 128 | 0.34 | 70 |
IV.SMA1.EHZ. | 2021-01-26T17:20:32.38 | 0.3 | undecidable | manual | S | 197 | 23.2545 | 124 | -0.01 | 74 |
IV.T1299.HNZ. | 2021-01-26T17:20:32.88 | 0.3 | undecidable | manual | S | 207 | 24.5532 | 123 | 0.21 | 72 |
IV.NRCA.HHZ. | 2021-01-26T17:20:32.77 | 0.3 | undecidable | manual | S | 271 | 24.9528 | 122 | 0.01 | 74 |
IV.MF5.EHZ. | 2021-01-26T17:20:31.50 | 0.3 | undecidable | manual | S | 10 | 17.7711 | 133 | 0.26 | 71 |
IV.LNSS.HHZ. | 2021-01-26T17:20:30.63 | 0.6 | undecidable | manual | P | 231 | 39.9267 | 109 | -0.04 | 48 |
IV.CSP1.EHZ. | 2021-01-26T17:20:30.13 | 0.3 | undecidable | manual | P | 329 | 33.8439 | 113 | 0.34 | 68 |
IV.MTRA.HNZ. | 2021-01-26T17:20:29.65 | 0.3 | undecidable | manual | S | 193 | 8.3805 | 155 | -0.12 | 74 |
IV.FDMO.HHZ. | 2021-01-26T17:20:29.96 | 0.6 | undecidable | manual | P | 310 | 35.4423 | 112 | -0.05 | 48 |
IV.MMO1.HNZ. | 2021-01-26T17:20:29.91 | 0.3 | undecidable | manual | S | 315 | 10.7781 | 149 | -0.16 | 74 |
IV.T1299.HNZ. | 2021-01-26T17:20:28.51 | 0.1 | negative | manual | P | 207 | 24.5532 | 123 | 0 | 99 |
IV.NRCA.HHZ. | 2021-01-26T17:20:28.60 | 0.3 | undecidable | manual | P | 271 | 24.9528 | 122 | 0.03 | 74 |
IV.TERO.HHZ. | 2021-01-26T17:20:28.93 | 0.3 | undecidable | manual | P | 147 | 27.4503 | 119 | 0.03 | 74 |
IV.GUMA.HHZ. | 2021-01-26T17:20:28.69 | 0.1 | undecidable | manual | P | 345 | 26.6511 | 120 | -0.11 | 98 |
IV.MC2.EHZ. | 2021-01-26T17:20:28.10 | 0.1 | undecidable | manual | P | 296 | 20.868 | 128 | 0.05 | 99 |
IV.SMA1.EHZ. | 2021-01-26T17:20:28.22 | 0.1 | negative | manual | P | 197 | 23.2545 | 124 | -0.13 | 97 |
IV.MF5.EHZ. | 2021-01-26T17:20:27.62 | 0.1 | undecidable | manual | P | 10 | 17.7711 | 133 | -0.07 | 100 |
IV.MTRA.HNZ. | 2021-01-26T17:20:26.68 | 0.1 | undecidable | manual | P | 193 | 8.3805 | 155 | -0.16 | 99 |
IV.MMO1.HNZ. | 2021-01-26T17:20:26.77 | 0.1 | positive | manual | P | 315 | 10.7781 | 149 | -0.24 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.HNE. | ML:1.6 | 0.000311201295 | 0.0768 | AML | other | m | 2021-01-26T17:20:29.79 |
IV.MTRA.EHE. | ML:1.6 | 0.0003063245 | 0.0768 | AML | other | m | 2021-01-26T17:20:29.80 |
IV.MTRA.HNN. | ML:1.7 | 0.00039276645 | 0.1408 | AML | other | m | 2021-01-26T17:20:29.80 |
IV.MTRA.EHN. | ML:1.7 | 0.00040027815 | 0.1664 | AML | other | m | 2021-01-26T17:20:29.81 |
IV.MF5.EHN. | ML:1.1 | 0.00007595097100000001 | 0.2944 | AML | other | m | 2021-01-26T17:20:31.70 |
IV.SMA1.EHN. | ML:1.6 | 0.00020053805000000001 | 0.128 | AML | other | m | 2021-01-26T17:20:32.84 |
IV.NRCA.HNE. | ML:1.5 | 0.00014808122999999997 | 0.0768 | AML | other | m | 2021-01-26T17:20:32.86 |
IV.NRCA.HHE. | ML:1.5 | 0.00013891974500000002 | 0.0768 | AML | other | m | 2021-01-26T17:20:32.91 |
IV.SMA1.EHE. | ML:1.6 | 0.0002115824 | 0.1152 | AML | other | m | 2021-01-26T17:20:32.88 |
IV.NRCA.HHN. | ML:1.8 | 0.00029524355 | 0.1408 | AML | other | m | 2021-01-26T17:20:32.91 |
IV.NRCA.HNN. | ML:1.8 | 0.00029657589 | 0.1408 | AML | other | m | 2021-01-26T17:20:32.91 |
IV.TERO.HHN. | ML:1.2 | 0.000068666425 | 0.1152 | AML | other | m | 2021-01-26T17:20:33.52 |
IV.GUMA.HHE. | ML:1.6 | 0.0001941304 | 0.3456 | AML | other | m | 2021-01-26T17:20:33.79 |
IV.TERO.HHE. | ML:1.1 | 0.000051567205 | 0.2176 | AML | other | m | 2021-01-26T17:20:34.37 |
IV.GUMA.HHN. | ML:1.5 | 0.00014409985 | 0.4224 | AML | other | m | 2021-01-26T17:20:34.89 |
IV.CSP1.EHN. | ML:1.5 | 0.00010850009999999999 | 0.1664 | AML | other | m | 2021-01-26T17:20:35.06 |
IV.CSP1.EHE. | ML:1.4 | 0.000098775975 | 0.1152 | AML | other | m | 2021-01-26T17:20:35.16 |
IV.FDMO.HHN. | ML:1.2 | 0.00005749734 | 0.1536 | AML | other | m | 2021-01-26T17:20:35.38 |
IV.FDMO.HHE. | ML:1.2 | 0.000057235305 | 0.1152 | AML | other | m | 2021-01-26T17:20:35.94 |
IV.LNSS.HHN. | ML:1.7 | 0.00015423259999999998 | 0.2048 | AML | other | m | 2021-01-26T17:20:37.02 |
IV.LNSS.HHE. | ML:1.4 | 0.00008363760500000001 | 0.1152 | AML | other | m | 2021-01-26T17:20:37.61 |