A magnitude ML 1.7 earthquake occured in region: 4 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7540, 13.0830 at 11 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Cascia | PG | 7 | 3217 | 8174 |
Poggiodomo | PG | 13 | 117 | 8291 |
Preci | PG | 14 | 724 | 9015 |
Accumoli | RI | 15 | 667 | 9682 |
Cerreto di Spoleto | PG | 15 | 1075 | 10757 |
Monteleone di Spoleto | PG | 16 | 599 | 11356 |
Cittareale | RI | 16 | 482 | 11838 |
Castelsantangelo sul Nera | MC | 17 | 281 | 12119 |
Arquata del Tronto | AP | 18 | 1178 | 13297 |
Vallo di Nera | PG | 18 | 364 | 13661 |
Sellano | PG | 20 | 1079 | 14740 |
Visso | MC | 20 | 1107 | 15847 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-01-27 01:45:11 |
42.754 | 13.0828 | 11 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86759751 |
Reviewed Rev100 |
ML 1.7 | 2021-01-27 01:45:11 |
42.756 | 13.0832 | 11 | 2021-01-27 01:55:56 |
Sala Sismica INGV-Roma | 86620241 |
Field | Value |
---|---|
Time (UTC) | 2021-01-27 01:45:11 ± 0.05 |
Latitude | 42.7540 ± 0.0027 |
Longitude | 13.0828 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86759751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 240 |
Semi-minor axis of confidence ellipse (meter) | 213 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 264 |
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) | 41 |
Number of associated phases, regardless of their use for origin computation | 47 |
Number of defining phases | 47 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.08274 |
Epicentral distance of station farthest from the epicenter (degree) | 0.75093 |
Number of stations at which the event was observed | 30 |
Number of stations from which data was used for origin computation | 30 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 36 |
Type of magnitude | ML |
Reference to an origin | 86759751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-01 10:38:30 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 36 |
Type of magnitude | ML |
Reference to an origin | 86620241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-27 01:55:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2021-01-27T01:45:28.59 | 0.1 | undecidable | manual | S | 177 | 54.0015 | 50 | 0.19 | 91 |
IV.ASSB.HHZ. | 2021-01-27T01:45:26.57 | 0.1 | undecidable | manual | S | 313 | 47.0196 | 50 | 0.02 | 95 |
IV.GUMA.HHZ. | 2021-01-27T01:45:25.28 | 0.3 | undecidable | manual | S | 31 | 39.9267 | 50 | 0.64 | 62 |
IV.MOMA.HHZ. | 2021-01-27T01:45:25.61 | 0.3 | undecidable | manual | S | 278 | 42.1245 | 50 | 0.38 | 67 |
IV.MF5.EHZ. | 2021-01-27T01:45:25.35 | 0.3 | undecidable | manual | S | 50 | 40.1265 | 50 | 0.65 | 62 |
IV.ARVD.HHZ. | 2021-01-27T01:45:25.98 | 0.3 | undecidable | manual | P | 352 | 83.3499 | 50 | 0.23 | 64 |
IV.TERO.HHZ. | 2021-01-27T01:45:25.67 | 0.1 | undecidable | manual | S | 109 | 44.9217 | 50 | -0.31 | 90 |
IV.CSP1.EHZ. | 2021-01-27T01:45:24.17 | 0.3 | undecidable | manual | S | 15 | 38.7279 | 50 | -0.17 | 70 |
IV.EL6.EHZ. | 2021-01-27T01:45:22.93 | 0.3 | undecidable | manual | P | 1 | 63.8916 | 50 | 0.18 | 67 |
IV.CESI.HHZ. | 2021-01-27T01:45:22.11 | 0.6 | undecidable | manual | S | 333 | 31.3464 | 50 | -0.26 | 47 |
IV.ATCC.EHZ. | 2021-01-27T01:45:22.32 | 0.3 | undecidable | manual | P | 323 | 59.7957 | 50 | 0.19 | 67 |
IV.FDMO.HHZ. | 2021-01-27T01:45:21.89 | 0.3 | undecidable | manual | S | 1 | 31.3464 | 50 | -0.47 | 67 |
IV.FIAM.HHZ. | 2021-01-27T01:45:21.33 | 0.1 | undecidable | manual | P | 177 | 54.0015 | 50 | 0.1 | 93 |
IV.RM33.EHZ. | 2021-01-27T01:45:21.78 | 0.1 | undecidable | manual | S | 158 | 29.2485 | 50 | -0.01 | 98 |
IV.MNTT.EHZ. | 2021-01-27T01:45:21.93 | 0.1 | undecidable | manual | P | 50 | 53.9016 | 50 | 0.72 | 78 |
IV.MMO1.EHZ. | 2021-01-27T01:45:20.52 | 0.1 | undecidable | manual | S | 51 | 25.5522 | 50 | -0.29 | 93 |
IV.SMA1.EHZ. | 2021-01-27T01:45:20.59 | 0.1 | undecidable | manual | S | 124 | 24.753 | 50 | 0 | 99 |
IV.ASSB.HHZ. | 2021-01-27T01:45:20.05 | 0.1 | undecidable | manual | P | 313 | 47.0196 | 50 | -0.11 | 94 |
IV.MTRA.HNZ. | 2021-01-27T01:45:20.51 | 0.1 | undecidable | manual | S | 89 | 25.5522 | 50 | -0.3 | 93 |
IV.SAP2.EHE. | 2021-01-27T01:45:20.39 | 0.3 | undecidable | manual | P | 34 | 45.9207 | 50 | 0.41 | 66 |
IV.MML1.HNE. | 2021-01-27T01:45:19.14 | 0.1 | undecidable | manual | P | 347 | 40.9257 | 50 | -0.07 | 95 |
IV.MF5.EHZ. | 2021-01-27T01:45:19.28 | 0.1 | undecidable | manual | P | 50 | 40.1265 | 50 | 0.18 | 93 |
IV.TERO.HHZ. | 2021-01-27T01:45:19.66 | 0.1 | undecidable | manual | P | 109 | 44.9217 | 50 | -0.17 | 93 |
IV.CESX.HHZ. | 2021-01-27T01:45:19.65 | 0.3 | undecidable | manual | P | 248 | 43.5231 | 50 | 0.03 | 72 |
IV.MC2.EHZ. | 2021-01-27T01:45:19.18 | 0.6 | undecidable | manual | S | 26 | 19.4694 | 119 | 0.04 | 50 |
IV.GUMA.HHZ. | 2021-01-27T01:45:19.15 | 0.1 | undecidable | manual | P | 31 | 39.9267 | 50 | 0.09 | 95 |
IV.MOMA.HHZ. | 2021-01-27T01:45:19.47 | 0.3 | undecidable | manual | P | 278 | 42.1245 | 50 | 0.07 | 71 |
IV.GAVE.EHZ. | 2021-01-27T01:45:18.12 | 0.1 | undecidable | manual | S | 246 | 16.872 | 122 | -0.23 | 96 |
IV.CAMP.HHE. | 2021-01-27T01:45:18.33 | 0.1 | undecidable | manual | P | 132 | 35.9418 | 50 | -0.12 | 95 |
IV.LNSS.HHZ. | 2021-01-27T01:45:18.47 | 0.1 | undecidable | manual | S | 192 | 17.1717 | 122 | 0.04 | 100 |
IV.CSP1.EHZ. | 2021-01-27T01:45:18.64 | 0.1 | positive | manual | P | 15 | 38.7279 | 50 | -0.24 | 92 |
IT.GNU.HGE. | 2021-01-27T01:45:18.79 | 0.3 | undecidable | manual | P | 278 | 42.1245 | 50 | -0.61 | 62 |
IV.RM33.EHZ. | 2021-01-27T01:45:17.31 | 0.1 | negative | manual | P | 158 | 29.2485 | 50 | -0.1 | 97 |
IT.MTCL.HGZ. | 2021-01-27T01:45:17.41 | 0.3 | undecidable | manual | P | 346 | 27.4503 | 50 | 0.27 | 70 |
IV.FDMO.HHZ. | 2021-01-27T01:45:17.46 | 0.1 | positive | manual | P | 1 | 31.3464 | 50 | -0.28 | 93 |
IV.CESI.HHZ. | 2021-01-27T01:45:17.58 | 0.1 | positive | manual | P | 333 | 31.3464 | 50 | -0.17 | 95 |
IV.ARRO.EHZ. | 2021-01-27T01:45:17.82 | 0.1 | undecidable | manual | P | 233 | 32.3454 | 50 | -0.07 | 97 |
IV.NRCA.HNZ. | 2021-01-27T01:45:16.14 | 0.1 | undecidable | manual | S | 16 | 9.1797 | 139 | -0.17 | 99 |
IV.T1299.HNN. | 2021-01-27T01:45:16.22 | 0.1 | undecidable | manual | P | 129 | 20.9679 | 50 | 0.08 | 99 |
IV.FEMA.HNE. | 2021-01-27T01:45:16.52 | 0.3 | undecidable | manual | P | 353 | 23.2545 | 50 | 0.03 | 74 |
IV.MMO1.EHZ. | 2021-01-27T01:45:16.62 | 0.1 | positive | manual | P | 51 | 25.5522 | 50 | -0.23 | 95 |
IV.SMA1.EHZ. | 2021-01-27T01:45:16.73 | 0.1 | undecidable | manual | P | 124 | 24.753 | 50 | 0.01 | 99 |
IV.MTRA.HNZ. | 2021-01-27T01:45:16.85 | 0.1 | undecidable | manual | P | 89 | 25.5522 | 50 | 0 | 99 |
IV.MC2.EHZ. | 2021-01-27T01:45:15.86 | 0.1 | positive | manual | P | 26 | 19.4694 | 119 | -0.02 | 100 |
IV.GAVE.EHZ. | 2021-01-27T01:45:15.59 | 0.1 | positive | manual | P | 246 | 16.872 | 122 | 0.17 | 98 |
IV.LNSS.HHZ. | 2021-01-27T01:45:15.63 | 0.1 | positive | manual | P | 192 | 17.1717 | 122 | 0.16 | 98 |
IV.NRCA.HNZ. | 2021-01-27T01:45:14.37 | 0.1 | positive | manual | P | 16 | 9.1797 | 139 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:2.4 | 0.0030650000000000004 | 0.12 | AML | other | m | 2021-01-27T01:45:16.25 |
IV.NRCA.HHN. | ML:2.4 | 0.00335 | 0.12 | AML | other | m | 2021-01-27T01:45:16.25 |
IV.NRCA.HHE. | ML:2.4 | 0.00302 | 0.16 | AML | other | m | 2021-01-27T01:45:16.29 |
IV.NRCA.HNE. | ML:2.4 | 0.0029749999999999998 | 0.16 | AML | other | m | 2021-01-27T01:45:16.29 |
IV.GAVE.EHE. | ML:2.0 | 0.0007735 | 1.36 | AML | other | m | 2021-01-27T01:45:19.70 |
IV.GAVE.HNN. | ML:1.6 | 0.0003605 | 0.9 | AML | other | m | 2021-01-27T01:45:19.09 |
IV.GAVE.EHN. | ML:2.1 | 0.0010525 | 0.36 | AML | other | m | 2021-01-27T01:45:19.10 |
IV.LNSS.HHN. | ML:2.3 | 0.00156 | 1.36 | AML | other | m | 2021-01-27T01:45:19.86 |
IV.LNSS.HNN. | ML:2.3 | 0.00163 | 1.38 | AML | other | m | 2021-01-27T01:45:19.87 |
IV.LNSS.HHE. | ML:2.3 | 0.00165 | 0.82 | AML | other | m | 2021-01-27T01:45:19.81 |
IV.GAVE.HNE. | ML:2.0 | 0.0007505 | 0.58 | AML | other | m | 2021-01-27T01:45:19.70 |
IV.LNSS.HNE. | ML:2.2 | 0.0015049999999999998 | 0.8 | AML | other | m | 2021-01-27T01:45:19.81 |
IV.SMA1.EHN. | ML:1.5 | 0.00018655635 | 0.94 | AML | other | m | 2021-01-27T01:45:21.21 |
IV.FDMO.HHN. | ML:1.4 | 0.0001185 | 0.42 | AML | other | m | 2021-01-27T01:45:22.00 |
IV.CESI.HHN. | ML:1.6 | 0.00017999999999999998 | 0.56 | AML | other | m | 2021-01-27T01:45:22.48 |
IV.RM33.EHN. | ML:1.7 | 0.000256 | 1.1 | AML | other | m | 2021-01-27T01:45:23.01 |
IV.RM33.EHE. | ML:1.7 | 0.00023400000000000002 | 0.24 | AML | other | m | 2021-01-27T01:45:23.13 |
IV.SMA1.EHE. | ML:1.6 | 0.00023050000000000002 | 0.2 | AML | other | m | 2021-01-27T01:45:23.72 |
IV.ARRO.EHN. | ML:1.5 | 0.00014350000000000002 | 0.64 | AML | other | m | 2021-01-27T01:45:24.33 |
IV.FDMO.HHE. | ML:1.4 | 0.0001268 | 0.46 | AML | other | m | 2021-01-27T01:45:24.42 |
IV.CESI.HHE. | ML:1.3 | 0.00009045 | 0.42 | AML | other | m | 2021-01-27T01:45:24.68 |
IV.CSP1.EHE. | ML:1.9 | 0.00027350000000000003 | 0.28 | AML | other | m | 2021-01-27T01:45:25.26 |
IV.ARRO.EHE. | ML:1.4 | 0.0001185 | 0.32 | AML | other | m | 2021-01-27T01:45:25.76 |
IV.CSP1.EHN. | ML:1.9 | 0.000288 | 1.68 | AML | other | m | 2021-01-27T01:45:26.01 |
IV.TERO.HHN. | ML:1.6 | 0.000132 | 0.64 | AML | other | m | 2021-01-27T01:45:26.47 |
IV.MOMA.HHE. | ML:1.7 | 0.00016149999999999997 | 0.22 | AML | other | m | 2021-01-27T01:45:26.55 |
IV.TERO.HHE. | ML:1.5 | 0.0000868 | 1.32 | AML | other | m | 2021-01-27T01:45:26.79 |
IV.MOMA.HHN. | ML:1.6 | 0.00012385 | 0.68 | AML | other | m | 2021-01-27T01:45:27.00 |
IV.GUMA.HHE. | ML:1.7 | 0.00017005609999999998 | 0.86 | AML | other | m | 2021-01-27T01:45:27.99 |
IV.ASSB.HHN. | ML:1.4 | 0.00008015 | 0.48 | AML | other | m | 2021-01-27T01:45:28.44 |
IV.ASSB.HHE. | ML:1.4 | 0.00007355 | 0.86 | AML | other | m | 2021-01-27T01:45:28.23 |
IV.FIAM.HHE. | ML:1.2 | 0.00003635 | 1.26 | AML | other | m | 2021-01-27T01:45:29.82 |
IV.GUMA.HHN. | ML:1.7 | 0.00019 | 1.3 | AML | other | m | 2021-01-27T01:45:30.88 |
IV.FIAM.HHN. | ML:1.2 | 0.000036500000000000006 | 0.42 | AML | other | m | 2021-01-27T01:45:30.67 |
IV.EL6.EHE. | ML:1.7 | 0.00010221045 | 0.3 | AML | other | m | 2021-01-27T01:45:33.67 |
IV.EL6.EHN. | ML:1.8 | 0.0001131406 | 0.02 | AML | other | m | 2021-01-27T01:45:34.90 |