A magnitude ML 1.7 earthquake occured in region: 4 km S Bolognola (MC), on
and geographic coordinates (lat, lon) 42.9560, 13.2270 at 8 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 |
---|---|---|---|---|
Bolognola | MC | 4 | 142 | 142 |
Ussita | MC | 7 | 444 | 586 |
Castelsantangelo sul Nera | MC | 9 | 281 | 867 |
Acquacanina | MC | 9 | 121 | 988 |
Montefortino | FM | 9 | 1178 | 2166 |
Montemonaco | AP | 10 | 604 | 2770 |
Fiastra | MC | 11 | 559 | 3329 |
Sarnano | MC | 11 | 3264 | 6593 |
Amandola | FM | 11 | 3629 | 10222 |
Visso | MC | 12 | 1107 | 11329 |
Fiordimonte | MC | 14 | 202 | 11531 |
Montegallo | AP | 15 | 523 | 12054 |
Comunanza | AP | 15 | 3166 | 15220 |
Gualdo | MC | 16 | 815 | 16035 |
Pievebovigliana | MC | 17 | 866 | 16901 |
Cessapalombo | MC | 17 | 512 | 17413 |
Pieve Torina | MC | 17 | 1458 | 18871 |
Preci | PG | 18 | 724 | 19595 |
San Ginesio | MC | 19 | 3498 | 23093 |
Smerillo | FM | 19 | 365 | 23458 |
Monte Cavallo | MC | 19 | 145 | 23603 |
Montefalcone Appennino | FM | 19 | 424 | 24027 |
Monte San Martino | MC | 19 | 765 | 24792 |
Penna San Giovanni | MC | 20 | 1108 | 25900 |
Palmiano | AP | 20 | 196 | 26096 |
Camporotondo di Fiastrone | MC | 20 | 563 | 26659 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-02-04 23:16:06 |
42.9557 | 13.2273 | 8 | 2021-07-12 16:55:01 |
Bollettino Sismico Italiano INGV | 87964831 |
Reviewed Rev100 |
ML 1.8 | 2021-02-04 23:16:06 |
42.9557 | 13.2248 | 9 | 2021-02-04 23:29:37 |
Sala Sismica INGV-Roma | 86838341 |
Field | Value |
---|---|
Time (UTC) | 2021-02-04 23:16:06 ± 0.04 |
Latitude | 42.9557 ± 0.0027 |
Longitude | 13.2273 ± 0.0037 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87964831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 236 |
Semi-minor axis of confidence ellipse (meter) | 216 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 39 |
Number of associated phases, regardless of their use for origin computation | 69 |
Number of defining phases | 69 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.05216 |
Epicentral distance of station farthest from the epicenter (degree) | 0.76802 |
Number of stations at which the event was observed | 37 |
Number of stations from which data was used for origin computation | 37 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 87964831 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-22 14:41:12 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 50 |
Type of magnitude | ML |
Reference to an origin | 86838341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-04 23:29:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-02-04T23:16:27.61 | 0.6 | undecidable | manual | S | 339 | 64.491 | 50 | 0.83 | 35 |
IV.MOMA.HHZ. | 2021-02-04T23:16:25.63 | 0.6 | undecidable | manual | S | 253 | 55.9995 | 50 | 1.11 | 32 |
IV.ATCC.EHZ. | 2021-02-04T23:16:24.63 | 0.6 | undecidable | manual | S | 298 | 54.0015 | 50 | 0.65 | 39 |
IV.FOSV.EHZ. | 2021-02-04T23:16:24.15 | 0.6 | undecidable | manual | S | 315 | 53.3022 | 50 | 0.35 | 43 |
IV.RM33.HNE. | 2021-02-04T23:16:23.28 | 0.3 | undecidable | manual | S | 181 | 49.5171 | 50 | 0.49 | 63 |
IV.TERO.HHZ. | 2021-02-04T23:16:22.32 | 0.6 | undecidable | manual | S | 140 | 48.0186 | 50 | -0.05 | 46 |
IV.CING.HNZ. | 2021-02-04T23:16:22.23 | 0.6 | undecidable | manual | S | 357 | 46.62 | 50 | 0.2 | 45 |
IV.CAMP.HHZ. | 2021-02-04T23:16:22.52 | 0.6 | undecidable | manual | S | 162 | 48.8178 | 50 | -0.09 | 46 |
IV.ASSB.HHZ. | 2021-02-04T23:16:22.40 | 0.6 | undecidable | manual | S | 282 | 47.1195 | 50 | 0.25 | 44 |
IV.PIEI.HHZ. | 2021-02-04T23:16:21.12 | 0.3 | undecidable | manual | P | 319 | 85.248 | 50 | -0.3 | 61 |
IV.EL6.EHZ. | 2021-02-04T23:16:21.02 | 0.6 | undecidable | manual | S | 346 | 42.7239 | 50 | 0.06 | 46 |
IV.LNSS.HHZ. | 2021-02-04T23:16:21.20 | 0.6 | undecidable | manual | S | 201 | 42.0246 | 50 | 0.43 | 43 |
IV.MPAG.EHZ. | 2021-02-04T23:16:21.52 | 0.3 | undecidable | manual | P | 333 | 83.7495 | 50 | 0.34 | 61 |
IV.GAVE.EHN. | 2021-02-04T23:16:20.55 | 0.3 | undecidable | manual | S | 223 | 39.8268 | 50 | 0.34 | 66 |
IV.SMA1.EHZ. | 2021-02-04T23:16:19.27 | 0.1 | undecidable | manual | S | 166 | 37.1295 | 50 | -0.2 | 91 |
IV.T1299.HNN. | 2021-02-04T23:16:19.44 | 0.1 | undecidable | manual | S | 173 | 35.9418 | 50 | 0.28 | 90 |
IV.SEF1.HNN. | 2021-02-04T23:16:18.31 | 0.3 | undecidable | manual | S | 313 | 31.0467 | 105 | 0.64 | 61 |
IV.MURB.HHZ. | 2021-02-04T23:16:18.78 | 0.3 | undecidable | manual | P | 301 | 66.378 | 50 | 0.28 | 64 |
IV.MNTT.EHZ. | 2021-02-04T23:16:18.06 | 0.1 | undecidable | manual | S | 68 | 32.1456 | 105 | 0.04 | 95 |
IV.ARVD.HHZ. | 2021-02-04T23:16:17.92 | 0.3 | undecidable | manual | P | 339 | 64.491 | 50 | -0.29 | 64 |
IV.CESX.HHZ. | 2021-02-04T23:16:17.57 | 0.6 | undecidable | manual | P | 234 | 64.7907 | 50 | -0.7 | 38 |
IV.MNTP.HNZ. | 2021-02-04T23:16:16.80 | 0.3 | undecidable | manual | S | 44 | 28.1496 | 107 | 0.11 | 71 |
IV.MOMA.HHZ. | 2021-02-04T23:16:16.92 | 0.3 | undecidable | manual | P | 253 | 55.9995 | 50 | 0.01 | 68 |
IV.MTRA.EHZ. | 2021-02-04T23:16:16.00 | 0.6 | undecidable | manual | S | 148 | 25.9518 | 108 | 0.01 | 48 |
IV.ATCC.EHZ. | 2021-02-04T23:16:16.41 | 0.1 | undecidable | manual | P | 298 | 54.0015 | 50 | -0.19 | 88 |
IV.MML1.EHZ. | 2021-02-04T23:16:16.41 | 0.6 | undecidable | manual | S | 310 | 27.1506 | 107 | 0.04 | 48 |
IV.CESI.HHZ. | 2021-02-04T23:16:16.51 | 0.6 | undecidable | manual | S | 282 | 26.751 | 107 | 0.27 | 46 |
IV.FOSV.EHZ. | 2021-02-04T23:16:16.14 | 0.1 | negative | manual | P | 315 | 53.3022 | 50 | -0.35 | 86 |
IV.SAP2.EHZ. | 2021-02-04T23:16:15.13 | 0.6 | undecidable | manual | S | 42 | 20.9679 | 112 | 0.8 | 39 |
IV.ASSB.HHZ. | 2021-02-04T23:16:15.23 | 0.1 | negative | manual | P | 282 | 47.1195 | 50 | -0.31 | 87 |
IV.MDAR.HNZ. | 2021-02-04T23:16:15.96 | 0.3 | undecidable | manual | S | 345 | 27.1506 | 107 | -0.42 | 66 |
IV.TERO.HHZ. | 2021-02-04T23:16:15.32 | 0.3 | undecidable | manual | P | 140 | 48.0186 | 50 | -0.35 | 65 |
IV.CING.HNZ. | 2021-02-04T23:16:15.06 | 0.1 | undecidable | manual | P | 357 | 46.62 | 50 | -0.4 | 86 |
IV.RM33.HNE. | 2021-02-04T23:16:15.68 | 0.3 | undecidable | manual | P | 181 | 49.5171 | 50 | -0.23 | 66 |
IV.CAMP.HHZ. | 2021-02-04T23:16:15.41 | 0.3 | undecidable | manual | P | 162 | 48.8178 | 50 | -0.4 | 64 |
IV.GAVE.EHN. | 2021-02-04T23:16:14.25 | 0.3 | undecidable | manual | P | 223 | 39.8268 | 50 | -0.17 | 68 |
IV.LNSS.HHZ. | 2021-02-04T23:16:14.61 | 0.1 | undecidable | manual | P | 201 | 42.0246 | 50 | -0.14 | 91 |
IV.EL6.EHZ. | 2021-02-04T23:16:14.32 | 0.1 | undecidable | manual | P | 346 | 42.7239 | 50 | -0.53 | 83 |
IV.OFFI.HHE. | 2021-02-04T23:16:14.13 | 0.3 | undecidable | manual | P | 93 | 37.2294 | 50 | 0.11 | 69 |
IV.MF5.EHZ. | 2021-02-04T23:16:14.13 | 0.6 | undecidable | manual | S | 79 | 19.1697 | 114 | 0.36 | 45 |
IV.MNTT.EHZ. | 2021-02-04T23:16:13.65 | 0.1 | negative | manual | P | 68 | 32.1456 | 105 | 0.49 | 86 |
IV.PF6.EHZ. | 2021-02-04T23:16:13.81 | 0.6 | undecidable | manual | S | 352 | 20.3685 | 112 | -0.34 | 45 |
IV.SMA1.EHZ. | 2021-02-04T23:16:13.55 | 0.1 | undecidable | manual | P | 166 | 37.1295 | 50 | -0.45 | 86 |
IV.NRCA.HHZ. | 2021-02-04T23:16:13.25 | 0.6 | undecidable | manual | S | 214 | 16.3725 | 117 | 0.37 | 46 |
IT.MTCL.HGZ. | 2021-02-04T23:16:13.90 | 0.3 | undecidable | manual | S | 283 | 18.9699 | 114 | 0.19 | 71 |
IV.T1299.HNN. | 2021-02-04T23:16:13.65 | 0.1 | undecidable | manual | P | 173 | 35.9418 | 50 | -0.16 | 92 |
IV.GUMA.HHZ. | 2021-02-04T23:16:12.70 | 0.1 | undecidable | manual | S | 36 | 14.7741 | 120 | 0.31 | 92 |
IV.MNTP.HNZ. | 2021-02-04T23:16:12.69 | 0.3 | undecidable | manual | P | 44 | 28.1496 | 107 | 0.3 | 68 |
IV.SEF1.HNN. | 2021-02-04T23:16:12.93 | 0.3 | undecidable | manual | P | 313 | 31.0467 | 105 | -0.02 | 72 |
IV.FDMO.HHZ. | 2021-02-04T23:16:12.01 | 0.1 | undecidable | manual | S | 308 | 14.4744 | 120 | -0.3 | 93 |
IV.MTRA.EHZ. | 2021-02-04T23:16:12.14 | 0.1 | negative | manual | P | 148 | 25.9518 | 108 | 0.16 | 94 |
IV.MDAR.HNZ. | 2021-02-04T23:16:12.39 | 0.3 | undecidable | manual | P | 345 | 27.1506 | 107 | 0.19 | 70 |
IV.CSP1.EHZ. | 2021-02-04T23:16:12.17 | 0.1 | undecidable | manual | S | 353 | 15.2736 | 119 | -0.36 | 91 |
IV.FEMA.HNZ. | 2021-02-04T23:16:12.78 | 0.3 | undecidable | manual | S | 273 | 14.4744 | 120 | 0.48 | 67 |
IV.CESI.HHZ. | 2021-02-04T23:16:12.03 | 0.1 | negative | manual | P | 282 | 26.751 | 107 | -0.09 | 95 |
IV.MML1.EHZ. | 2021-02-04T23:16:11.89 | 0.1 | negative | manual | P | 310 | 27.1506 | 107 | -0.31 | 90 |
IV.SAP2.EHZ. | 2021-02-04T23:16:11.52 | 0.3 | undecidable | manual | P | 42 | 20.9679 | 112 | 0.5 | 66 |
IT.MTCL.HGZ. | 2021-02-04T23:16:10.86 | 0.3 | undecidable | manual | P | 283 | 18.9699 | 114 | 0.19 | 70 |
IV.FEMA.HNZ. | 2021-02-04T23:16:10.11 | 0.3 | undecidable | manual | P | 273 | 14.4744 | 120 | 0.26 | 70 |
IV.MMO1.EHZ. | 2021-02-04T23:16:10.84 | 0.1 | undecidable | manual | S | 128 | 10.1787 | 129 | -0.24 | 94 |
IV.MF5.EHZ. | 2021-02-04T23:16:10.98 | 0.1 | undecidable | manual | P | 79 | 19.1697 | 114 | 0.28 | 92 |
IV.PF6.EHZ. | 2021-02-04T23:16:10.55 | 0.1 | positive | manual | P | 352 | 20.3685 | 112 | -0.38 | 90 |
IV.NRCA.HHZ. | 2021-02-04T23:16:10.28 | 0.1 | negative | manual | P | 214 | 16.3725 | 117 | 0.09 | 96 |
IV.MC2.EHZ. | 2021-02-04T23:16:09.85 | 0.1 | undecidable | manual | S | 213 | 5.7942 | 145 | -0.19 | 96 |
IV.CSP1.EHZ. | 2021-02-04T23:16:09.70 | 0.1 | undecidable | manual | P | 353 | 15.2736 | 119 | -0.28 | 93 |
IV.GUMA.HHZ. | 2021-02-04T23:16:09.98 | 0.1 | positive | manual | P | 36 | 14.7741 | 120 | 0.07 | 97 |
IV.FDMO.HHZ. | 2021-02-04T23:16:09.67 | 0.1 | negative | manual | P | 308 | 14.4744 | 120 | -0.19 | 95 |
IV.MC2.EHZ. | 2021-02-04T23:16:08.55 | 0.1 | positive | manual | P | 213 | 5.7942 | 145 | 0 | 100 |
IV.MMO1.EHZ. | 2021-02-04T23:16:08.99 | 0.1 | positive | manual | P | 128 | 10.1787 | 129 | -0.16 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSP1.EHN. | ML:1.8 | 0.0007121936 | 0.2944 | AML | other | m | 2021-02-04T23:16:12.43 |
IV.FDMO.HHN. | ML:1.4 | 0.0002797475 | 0.2176 | AML | other | m | 2021-02-04T23:16:12.28 |
IV.FDMO.HHE. | ML:1.6 | 0.0003829515 | 0.2816 | AML | other | m | 2021-02-04T23:16:12.52 |
IV.CSP1.EHE. | ML:2.1 | 0.0012265475 | 0.3328 | AML | other | m | 2021-02-04T23:16:13.04 |
IV.GUMA.HNE. | ML:2.2 | 0.001594837 | 0.3328 | AML | other | m | 2021-02-04T23:16:12.97 |
IV.GUMA.HNN. | ML:2.1 | 0.0012239601 | 0.256 | AML | other | m | 2021-02-04T23:16:13.23 |
IV.GUMA.HHE. | ML:2.3 | 0.00199786 | 1.1392 | AML | other | m | 2021-02-04T23:16:13.39 |
IV.GUMA.HHN. | ML:2.2 | 0.0016382905 | 0.32 | AML | other | m | 2021-02-04T23:16:13.55 |
IV.NRCA.HNE. | ML:2.0 | 0.0009564174 | 0.1792 | AML | other | m | 2021-02-04T23:16:13.60 |
IV.NRCA.HHE. | ML:2.0 | 0.0009455 | 0.16 | AML | other | m | 2021-02-04T23:16:13.69 |
IV.NRCA.HHN. | ML:1.8 | 0.0006933021000000001 | 0.1536 | AML | other | m | 2021-02-04T23:16:13.71 |
IV.NRCA.HNN. | ML:1.8 | 0.00059002705 | 0.1536 | AML | other | m | 2021-02-04T23:16:13.71 |
IV.MTRA.EHE. | ML:1.5 | 0.0001766654 | 0.2176 | AML | other | m | 2021-02-04T23:16:16.65 |
IV.MTRA.HNN. | ML:1.6 | 0.0002526928 | 0.3328 | AML | other | m | 2021-02-04T23:16:16.78 |
IV.MTRA.EHN. | ML:1.6 | 0.00023744695 | 0.32 | AML | other | m | 2021-02-04T23:16:16.78 |
IV.CESI.HHE. | ML:1.7 | 0.0003011632 | 0.192 | AML | other | m | 2021-02-04T23:16:16.84 |
IV.CESI.HNE. | ML:1.8 | 0.0003326965 | 0.2304 | AML | other | m | 2021-02-04T23:16:16.86 |
IV.CESI.HHN. | ML:1.7 | 0.0002766882 | 0.4864 | AML | other | m | 2021-02-04T23:16:16.94 |
IV.SMA1.EHN. | ML:1.5 | 0.00011981269999999999 | 0.5632 | AML | other | m | 2021-02-04T23:16:19.76 |
IV.EL6.EHN. | ML:1.4 | 0.000085919155 | 0.5888 | AML | other | m | 2021-02-04T23:16:21.46 |
IV.LNSS.HHE. | ML:2.1 | 0.000377 | 0.28 | AML | other | m | 2021-02-04T23:16:21.66 |
IV.LNSS.HNN. | ML:2.0 | 0.0003105027 | 0.2432 | AML | other | m | 2021-02-04T23:16:21.55 |
IV.LNSS.HHN. | ML:2.0 | 0.0003675 | 0.24 | AML | other | m | 2021-02-04T23:16:21.67 |
IV.LNSS.HNE. | ML:2.1 | 0.00038553645 | 0.32 | AML | other | m | 2021-02-04T23:16:21.66 |
IV.EL6.EHE. | ML:1.6 | 0.000132847535 | 0.6784 | AML | other | m | 2021-02-04T23:16:22.16 |
IV.ASSB.HHN. | ML:1.3 | 0.000061447325 | 0.6144 | AML | other | m | 2021-02-04T23:16:22.54 |
IV.ASSB.HHE. | ML:1.4 | 0.00007245968499999999 | 0.4608 | AML | other | m | 2021-02-04T23:16:22.78 |
IV.CAMP.HHN. | ML:1.4 | 0.000066541165 | 0.2944 | AML | other | m | 2021-02-04T23:16:22.98 |
IV.CAMP.HHE. | ML:1.3 | 0.00004950271 | 0.2944 | AML | other | m | 2021-02-04T23:16:23.00 |
IV.FOSV.EHE. | ML:1.7 | 0.00011135000000000001 | 0.26 | AML | other | m | 2021-02-04T23:16:24.45 |
IV.FOSV.EHN. | ML:1.6 | 0.000098551875 | 0.2816 | AML | other | m | 2021-02-04T23:16:24.56 |
IV.ATCC.EHN. | ML:1.6 | 0.00008478763 | 0.8448 | AML | other | m | 2021-02-04T23:16:25.38 |
IV.ATCC.EHE. | ML:1.8 | 0.00013953535 | 0.192 | AML | other | m | 2021-02-04T23:16:25.31 |
IV.MOMA.HHN. | ML:1.3 | 0.000042542795 | 0.1792 | AML | other | m | 2021-02-04T23:16:26.11 |
IV.MOMA.HHE. | ML:1.6 | 0.00009120000000000001 | 0.28 | AML | other | m | 2021-02-04T23:16:26.55 |
IV.ARVD.HHN. | ML:1.1 | 0.000025865595 | 0.1664 | AML | other | m | 2021-02-04T23:16:28.07 |
IV.ARVD.HHE. | ML:1.4 | 0.000048355830000000004 | 0.1408 | AML | other | m | 2021-02-04T23:16:28.41 |
IV.MURB.HHE. | ML:2.1 | 0.0002085 | 0.3 | AML | other | m | 2021-02-04T23:16:29.86 |