A magnitude ML 1.6 earthquake occured in region: 5 km SW Roccafluvione (AP), on
and geographic coordinates (lat, lon) 42.8340, 13.4300 at 22 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 | 5 | 2010 | 2010 |
Acquasanta Terme | AP | 7 | 2916 | 4926 |
Venarotta | AP | 8 | 2066 | 6992 |
Palmiano | AP | 8 | 196 | 7188 |
Montegallo | AP | 8 | 523 | 7711 |
Montemonaco | AP | 11 | 604 | 8315 |
Valle Castellana | TE | 12 | 977 | 9292 |
Ascoli Piceno | AP | 12 | 49407 | 58699 |
Arquata del Tronto | AP | 13 | 1178 | 59877 |
Comunanza | AP | 14 | 3166 | 63043 |
Montefortino | FM | 14 | 1178 | 64221 |
Force | AP | 15 | 1354 | 65575 |
Folignano | AP | 17 | 9241 | 74816 |
Rotella | AP | 17 | 906 | 75722 |
Montefalcone Appennino | FM | 17 | 424 | 76146 |
Amandola | FM | 18 | 3629 | 79775 |
Rocca Santa Maria | TE | 18 | 537 | 80312 |
Smerillo | FM | 19 | 365 | 80677 |
Castignano | AP | 20 | 2796 | 83473 |
Montedinove | AP | 20 | 488 | 83961 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-01-26 17:19:54 |
42.8338 | 13.4302 | 23 | 2021-07-12 16:54:59 |
Bollettino Sismico Italiano INGV | 87454341 |
Reviewed Rev100 |
ML 1.6 | 2021-01-26 17:19:54 |
42.8347 | 13.4387 | 22 | 2021-01-26 17:25:21 |
Sala Sismica INGV-Roma | 86607861 |
Field | Value |
---|---|
Time (UTC) | 2021-01-26 17:19:54 ± 0.09 |
Latitude | 42.8338 ± 0.0027 |
Longitude | 13.4302 ± 0.0049 |
Depth (km) | 23 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87454341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 428 |
Semi-minor axis of confidence ellipse (meter) | 60 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 37 |
Number of defining phases | 37 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.08094 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43617 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 87454341 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-24 15:09:07 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 32 |
Type of magnitude | ML |
Reference to an origin | 86607861 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-26 17:25:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2021-01-26T17:20:10.15 | 0.3 | undecidable | manual | S | 250 | 46.4202 | 108 | 0.48 | 65 |
IV.MML1.HNE. | 2021-01-26T17:20:10.36 | 0.6 | undecidable | manual | S | 310 | 48.4182 | 107 | 0.17 | 46 |
IV.GIGS.HHN. | 2021-01-26T17:20:09.15 | 0.6 | undecidable | manual | S | 165 | 43.8228 | 109 | 0.13 | 46 |
IV.RM33.EHZ. | 2021-01-26T17:20:08.48 | 0.6 | undecidable | manual | S | 206 | 40.1265 | 112 | 0.39 | 45 |
IV.LNSS.HHZ. | 2021-01-26T17:20:08.68 | 0.3 | undecidable | manual | S | 231 | 40.8258 | 111 | 0.42 | 67 |
IV.PF6.EHN. | 2021-01-26T17:20:07.78 | 0.6 | undecidable | manual | S | 331 | 38.7279 | 112 | 0.03 | 48 |
IV.FDMO.HHN. | 2021-01-26T17:20:06.89 | 0.3 | undecidable | manual | S | 309 | 35.742 | 114 | -0.13 | 71 |
IV.CSP1.EHZ. | 2021-01-26T17:20:06.61 | 0.3 | undecidable | manual | S | 327 | 33.9438 | 116 | 0.03 | 73 |
IV.CAMP.HHE. | 2021-01-26T17:20:06.54 | 0.3 | undecidable | manual | S | 183 | 33.1446 | 117 | 0.16 | 71 |
IV.GUMA.HNN. | 2021-01-26T17:20:05.31 | 0.3 | undecidable | manual | S | 343 | 26.5512 | 123 | 0.45 | 68 |
IV.TERO.HHZ. | 2021-01-26T17:20:05.15 | 0.6 | undecidable | manual | S | 149 | 27.3504 | 122 | 0.1 | 48 |
IV.NRCA.HHZ. | 2021-01-26T17:20:04.49 | 0.3 | undecidable | manual | S | 270 | 25.6521 | 124 | -0.18 | 71 |
IV.T1299.HNN. | 2021-01-26T17:20:04.95 | 0.3 | undecidable | manual | S | 209 | 25.2525 | 125 | 0.38 | 69 |
IV.SMA1.EHZ. | 2021-01-26T17:20:04.12 | 0.3 | undecidable | manual | S | 199 | 23.8539 | 127 | -0.15 | 72 |
IV.MML1.HNE. | 2021-01-26T17:20:03.41 | 0.1 | undecidable | manual | P | 310 | 48.4182 | 107 | -0.08 | 94 |
IV.MF5.EHZ. | 2021-01-26T17:20:03.34 | 0.3 | undecidable | manual | S | 8 | 17.2716 | 137 | 0.38 | 70 |
IV.GAVE.EHZ. | 2021-01-26T17:20:03.14 | 0.1 | undecidable | manual | P | 250 | 46.4202 | 108 | -0.04 | 95 |
IV.MC2.EHZ. | 2021-01-26T17:20:03.87 | 0.3 | undecidable | manual | S | 294 | 21.3675 | 130 | 0.11 | 74 |
IV.GIGS.HHN. | 2021-01-26T17:20:02.56 | 0.1 | undecidable | manual | P | 165 | 43.8228 | 109 | -0.25 | 92 |
IV.LNSS.HHZ. | 2021-01-26T17:20:02.30 | 0.1 | negative | manual | P | 231 | 40.8258 | 111 | -0.08 | 95 |
IV.RM33.EHZ. | 2021-01-26T17:20:02.13 | 0.1 | undecidable | manual | P | 206 | 40.1265 | 112 | -0.14 | 94 |
IV.CAMP.HHE. | 2021-01-26T17:20:01.17 | 0.1 | negative | manual | P | 183 | 33.1446 | 117 | -0.12 | 96 |
IV.PF6.EHN. | 2021-01-26T17:20:01.79 | 0.1 | undecidable | manual | P | 331 | 38.7279 | 112 | -0.29 | 92 |
IV.MTRA.EHZ. | 2021-01-26T17:20:01.45 | 0.3 | undecidable | manual | S | 198 | 8.9799 | 155 | -0.28 | 72 |
IV.MMO1.EHZ. | 2021-01-26T17:20:01.68 | 0.3 | undecidable | manual | S | 311 | 11.0778 | 150 | -0.3 | 71 |
IV.FDMO.HHN. | 2021-01-26T17:20:01.39 | 0.1 | undecidable | manual | P | 309 | 35.742 | 114 | -0.27 | 92 |
IV.CSP1.EHZ. | 2021-01-26T17:20:01.19 | 0.1 | undecidable | manual | P | 327 | 33.9438 | 116 | -0.21 | 94 |
IV.MNTT.EHZ. | 2021-01-26T17:20:01.14 | 0.1 | undecidable | manual | P | 28 | 28.6491 | 121 | 0.46 | 89 |
IV.SMA1.EHZ. | 2021-01-26T17:20:00.04 | 0.1 | negative | manual | P | 199 | 23.8539 | 127 | -0.03 | 99 |
IV.TERO.HHZ. | 2021-01-26T17:20:00.42 | 0.1 | undecidable | manual | P | 149 | 27.3504 | 122 | -0.1 | 98 |
IV.NRCA.HHZ. | 2021-01-26T17:20:00.12 | 0.1 | negative | manual | P | 270 | 25.6521 | 124 | -0.18 | 96 |
IV.GUMA.HNN. | 2021-01-26T17:20:00.47 | 0.1 | positive | manual | P | 343 | 26.5512 | 123 | 0.06 | 98 |
IV.T1299.HNN. | 2021-01-26T17:20:00.31 | 0.1 | negative | manual | P | 209 | 25.2525 | 125 | 0.07 | 98 |
IV.MF5.EHZ. | 2021-01-26T17:19:59.43 | 0.1 | positive | manual | P | 8 | 17.2716 | 137 | 0.12 | 98 |
IV.MC2.EHZ. | 2021-01-26T17:19:59.78 | 0.1 | undecidable | manual | P | 294 | 21.3675 | 130 | 0.01 | 100 |
IV.MMO1.EHZ. | 2021-01-26T17:19:58.57 | 0.1 | positive | manual | P | 311 | 11.0778 | 150 | -0.18 | 98 |
IV.MTRA.EHZ. | 2021-01-26T17:19:58.47 | 0.1 | negative | manual | P | 198 | 8.9799 | 155 | -0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.HNE. | ML:1.7 | 0.00030527835000000004 | 0.064 | AML | other | m | 2021-01-26T17:20:01.57 |
IV.MTRA.EHE. | ML:1.6 | 0.00029230465 | 0.064 | AML | other | m | 2021-01-26T17:20:01.58 |
IV.MTRA.HNN. | ML:1.8 | 0.00043171795 | 0.128 | AML | other | m | 2021-01-26T17:20:01.52 |
IV.MTRA.EHN. | ML:1.8 | 0.0004265 | 0.14 | AML | other | m | 2021-01-26T17:20:01.53 |
IV.SMA1.EHE. | ML:1.7 | 0.00022841190000000001 | 0.1152 | AML | other | m | 2021-01-26T17:20:04.54 |
IV.SMA1.EHN. | ML:1.8 | 0.00026214395 | 0.1024 | AML | other | m | 2021-01-26T17:20:04.64 |
IV.NRCA.HNN. | ML:2.0 | 0.00041486545 | 0.1536 | AML | other | m | 2021-01-26T17:20:04.64 |
IV.NRCA.HHN. | ML:2.0 | 0.00042134020000000004 | 0.1408 | AML | other | m | 2021-01-26T17:20:04.72 |
IV.TERO.HHE. | ML:1.0 | 0.000047278769999999997 | 0.1536 | AML | other | m | 2021-01-26T17:20:05.36 |
IV.TERO.HHN. | ML:1.2 | 0.000065945805 | 0.064 | AML | other | m | 2021-01-26T17:20:05.73 |
IV.CSP1.EHN. | ML:1.6 | 0.00012322353999999998 | 0.2816 | AML | other | m | 2021-01-26T17:20:06.93 |
IV.CSP1.EHE. | ML:1.4 | 0.00008288191999999999 | 0.1408 | AML | other | m | 2021-01-26T17:20:07.35 |
IV.LNSS.HHN. | ML:1.6 | 0.00012915 | 0.24 | AML | other | m | 2021-01-26T17:20:08.82 |
IV.LNSS.HNE. | ML:1.6 | 0.00013087188999999998 | 0.1536 | AML | other | m | 2021-01-26T17:20:09.04 |
IV.LNSS.HHE. | ML:1.5 | 0.0000955 | 0.14 | AML | other | m | 2021-01-26T17:20:09.04 |
IV.RM33.HNE. | ML:1.7 | 0.00015326495000000001 | 0.8064 | AML | other | m | 2021-01-26T17:20:09.47 |
IV.GAVE.EHN. | ML:1.6 | 0.000093895575 | 0.2816 | AML | other | m | 2021-01-26T17:20:10.35 |
IV.RM33.EHN. | ML:1.1 | 0.000037538370000000004 | 0.256 | AML | other | m | 2021-01-26T17:20:10.35 |
IV.RM33.EHE. | ML:1.3 | 0.00005628085 | 1.744 | AML | other | m | 2021-01-26T17:20:11.11 |
IV.GAVE.EHE. | ML:1.7 | 0.00013331119999999998 | 0.2048 | AML | other | m | 2021-01-26T17:20:11.12 |