A magnitude ML 1.6 earthquake occured in region: 2 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7740, 13.0990 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 | 2 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 13 | 724 | 8898 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9179 |
Accumoli | RI | 15 | 667 | 9846 |
Poggiodomo | PG | 15 | 117 | 9963 |
Cerreto di Spoleto | PG | 16 | 1075 | 11038 |
Arquata del Tronto | AP | 16 | 1178 | 12216 |
Visso | MC | 18 | 1107 | 13323 |
Cittareale | RI | 18 | 482 | 13805 |
Monteleone di Spoleto | PG | 18 | 599 | 14404 |
Sellano | PG | 19 | 1079 | 15483 |
Vallo di Nera | PG | 19 | 364 | 15847 |
Ussita | MC | 19 | 444 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2023-04-18 09:43:34 |
42.7735 | 13.0993 | 11 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120747261 |
Reviewed Rev100 |
ML 1.6 | 2023-04-18 09:43:34 |
42.7745 | 13.0997 | 11 | 2024-02-07 10:34:23 |
Sala Sismica INGV-Roma | 116485311 |
Field | Value |
---|---|
Time (UTC) | 2023-04-18 09:43:34 ± 0.05 |
Latitude | 42.7735 ± 0.0018 |
Longitude | 13.0993 ± 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 | 120747261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 243 |
Semi-minor axis of confidence ellipse (meter) | 126 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 278 |
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) | 38 |
Number of associated phases, regardless of their use for origin computation | 51 |
Number of defining phases | 51 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70147 |
Number of stations at which the event was observed | 31 |
Number of stations from which data was used for origin computation | 31 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 116485311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-18 10:21:15 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 36 |
Type of magnitude | ML |
Reference to an origin | 120747261 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-07 10:36:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSFR.HHZ. | 2023-04-18T09:43:48.55 | 0.6 | undecidable | manual | P | 341 | 77.8665 | 50 | 0.34 | 42 |
IV.MF5.EHZ. | 2023-04-18T09:43:48.27 | 0.6 | undecidable | manual | S | 51 | 37.7289 | 50 | 0.93 | 37 |
IV.PF6.EHZ. | 2023-04-18T09:43:48.16 | 0.6 | undecidable | manual | S | 11 | 41.1255 | 50 | -0.09 | 48 |
IV.GUMA.HHZ. | 2023-04-18T09:43:47.86 | 0.6 | undecidable | manual | S | 31 | 37.3293 | 50 | 0.62 | 42 |
IV.MML1.EHZ. | 2023-04-18T09:43:47.86 | 0.6 | undecidable | manual | S | 345 | 39.1275 | 50 | 0.15 | 47 |
IV.CSP1.EHZ. | 2023-04-18T09:43:46.99 | 0.6 | undecidable | manual | S | 14 | 36.3414 | 50 | 0.02 | 49 |
IV.ARRO.EHZ. | 2023-04-18T09:43:46.39 | 0.6 | undecidable | manual | S | 232 | 34.743 | 50 | -0.14 | 48 |
IV.CAMP.HHZ. | 2023-04-18T09:43:46.96 | 0.6 | undecidable | manual | S | 136 | 36.5412 | 50 | -0.05 | 48 |
IV.RM33.EHZ. | 2023-04-18T09:43:45.83 | 0.6 | undecidable | manual | S | 162 | 30.8469 | 50 | 0.34 | 46 |
IV.ATCC.EHZ. | 2023-04-18T09:43:45.43 | 0.3 | undecidable | manual | P | 321 | 58.9965 | 50 | 0.14 | 68 |
IV.CESI.HHZ. | 2023-04-18T09:43:45.20 | 0.6 | undecidable | manual | S | 328 | 30.1476 | 50 | -0.12 | 48 |
IV.EL6.EHZ. | 2023-04-18T09:43:45.67 | 0.3 | undecidable | manual | P | 0 | 61.6938 | 50 | -0.04 | 69 |
IV.GIGS.HHZ. | 2023-04-18T09:43:44.17 | 0.3 | undecidable | manual | P | 132 | 52.503 | 50 | -0.13 | 69 |
IV.FDMO.HHZ. | 2023-04-18T09:43:44.84 | 0.6 | undecidable | manual | S | 358 | 29.1486 | 50 | -0.22 | 47 |
IV.SNTG.HHZ. | 2023-04-18T09:43:44.85 | 0.3 | undecidable | manual | P | 347 | 54.9006 | 50 | 0.18 | 68 |
IV.MTRA.EHZ. | 2023-04-18T09:43:43.48 | 0.6 | undecidable | manual | S | 94 | 24.2535 | 50 | -0.26 | 47 |
IV.ASSB.HHZ. | 2023-04-18T09:43:43.37 | 0.6 | undecidable | manual | P | 310 | 46.62 | 50 | -0.02 | 48 |
IV.SMA1.EHZ. | 2023-04-18T09:43:43.82 | 0.6 | undecidable | manual | S | 129 | 24.9528 | 50 | -0.1 | 49 |
IV.CESX.HHZ. | 2023-04-18T09:43:43.20 | 0.6 | undecidable | manual | P | 247 | 45.621 | 50 | -0.04 | 48 |
IV.SAP2.EHZ. | 2023-04-18T09:43:43.25 | 0.6 | undecidable | manual | P | 34 | 43.3233 | 50 | 0.37 | 45 |
IV.TERO.HHZ. | 2023-04-18T09:43:43.01 | 0.3 | undecidable | manual | P | 112 | 44.4222 | 50 | -0.04 | 72 |
IT.MTCL.HGZ. | 2023-04-18T09:43:43.82 | 0.6 | undecidable | manual | S | 342 | 25.752 | 50 | -0.32 | 47 |
IV.MOMA.HHZ. | 2023-04-18T09:43:42.92 | 0.3 | undecidable | manual | P | 275 | 43.2234 | 50 | 0.06 | 71 |
7F.SIB1.EHZ. | 2023-04-18T09:43:42.32 | 0.6 | undecidable | manual | S | 46 | 19.3695 | 50 | -0.1 | 49 |
IV.LNSS.HHZ. | 2023-04-18T09:43:42.40 | 0.6 | undecidable | manual | S | 194 | 19.5693 | 50 | -0.08 | 49 |
IV.GUMA.HHZ. | 2023-04-18T09:43:42.36 | 0.3 | undecidable | manual | P | 31 | 37.3293 | 50 | 0.4 | 67 |
7F.SIB2.EHZ. | 2023-04-18T09:43:42.64 | 0.6 | undecidable | manual | S | 52 | 21.1677 | 50 | -0.27 | 47 |
IV.MF5.EHZ. | 2023-04-18T09:43:42.45 | 0.3 | undecidable | manual | P | 51 | 37.7289 | 50 | 0.43 | 67 |
IV.GAVE.EHZ. | 2023-04-18T09:43:42.32 | 0.6 | undecidable | manual | S | 242 | 18.9699 | 50 | -0.01 | 50 |
IV.PF6.EHZ. | 2023-04-18T09:43:42.40 | 0.1 | undecidable | manual | P | 11 | 41.1255 | 50 | -0.15 | 94 |
IV.ASCOL.HNZ. | 2023-04-18T09:43:42.38 | 0.3 | undecidable | manual | P | 78 | 40.8258 | 50 | -0.12 | 71 |
IV.FEMA.HNZ. | 2023-04-18T09:43:42.83 | 0.6 | undecidable | manual | S | 349 | 21.2676 | 50 | -0.12 | 49 |
IV.MML1.EHZ. | 2023-04-18T09:43:42.07 | 0.1 | undecidable | manual | P | 345 | 39.1275 | 50 | -0.16 | 94 |
IV.CAMP.HHZ. | 2023-04-18T09:43:41.61 | 0.6 | undecidable | manual | P | 136 | 36.5412 | 50 | -0.22 | 47 |
IV.CSP1.EHZ. | 2023-04-18T09:43:41.78 | 0.1 | undecidable | manual | P | 14 | 36.3414 | 50 | -0.02 | 97 |
IV.ARRO.EHZ. | 2023-04-18T09:43:41.92 | 0.6 | undecidable | manual | P | 232 | 34.743 | 50 | 0.37 | 45 |
7F.SIB3.EHZ. | 2023-04-18T09:43:41.67 | 0.6 | undecidable | manual | S | 51 | 17.871 | 121 | -0.34 | 47 |
IV.CESI.HHZ. | 2023-04-18T09:43:40.80 | 0.1 | negative | manual | P | 328 | 30.1476 | 50 | -0.05 | 98 |
IT.MTCL.HGZ. | 2023-04-18T09:43:40.00 | 0.1 | undecidable | manual | P | 342 | 25.752 | 50 | -0.18 | 96 |
IV.RM33.EHZ. | 2023-04-18T09:43:40.88 | 0.1 | negative | manual | P | 162 | 30.8469 | 50 | -0.08 | 97 |
IV.FDMO.HHZ. | 2023-04-18T09:43:40.55 | 0.1 | undecidable | manual | P | 358 | 29.1486 | 50 | -0.15 | 96 |
IV.SMA1.EHZ. | 2023-04-18T09:43:40.10 | 0.3 | undecidable | manual | P | 129 | 24.9528 | 50 | 0.05 | 74 |
IV.NRCA.HNZ. | 2023-04-18T09:43:39.20 | 0.6 | undecidable | manual | S | 10 | 6.7932 | 148 | 0 | 51 |
7F.SIB2.EHZ. | 2023-04-18T09:43:39.36 | 0.1 | undecidable | manual | P | 52 | 21.1677 | 50 | -0.1 | 98 |
IV.GAVE.EHZ. | 2023-04-18T09:43:39.20 | 0.1 | undecidable | manual | P | 242 | 18.9699 | 50 | 0.07 | 99 |
IV.FEMA.HNZ. | 2023-04-18T09:43:39.43 | 0.1 | undecidable | manual | P | 349 | 21.2676 | 50 | -0.06 | 99 |
IV.MTRA.EHZ. | 2023-04-18T09:43:39.85 | 0.3 | undecidable | manual | P | 94 | 24.2535 | 50 | -0.1 | 73 |
7F.SIB1.EHZ. | 2023-04-18T09:43:39.21 | 0.1 | undecidable | manual | P | 46 | 19.3695 | 50 | 0.03 | 100 |
IV.LNSS.HHZ. | 2023-04-18T09:43:39.25 | 0.1 | undecidable | manual | P | 194 | 19.5693 | 50 | 0.03 | 100 |
7F.SIB3.EHZ. | 2023-04-18T09:43:38.86 | 0.1 | undecidable | manual | P | 51 | 17.871 | 121 | -0.09 | 99 |
IV.NRCA.HNZ. | 2023-04-18T09:43:37.54 | 0.1 | negative | manual | P | 10 | 6.7932 | 148 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:2.2 | 0.00233 | 0.1 | AML | other | m | 2023-04-18T09:43:39.31 |
IV.NRCA.HHN. | ML:2.3 | 0.00269 | 0.1 | AML | other | m | 2023-04-18T09:43:39.31 |
IV.NRCA.HHE. | ML:2.2 | 0.0025599999999999998 | 0.08 | AML | other | m | 2023-04-18T09:43:39.27 |
IV.NRCA.HNE. | ML:2.2 | 0.0025150000000000003 | 0.08 | AML | other | m | 2023-04-18T09:43:39.27 |
IV.GAVE.EHE. | ML:1.8 | 0.0004975 | 0.44 | AML | other | m | 2023-04-18T09:43:42.75 |
IV.LNSS.HHE. | ML:1.8 | 0.0005445 | 0.2 | AML | other | m | 2023-04-18T09:43:42.92 |
IV.GAVE.EHN. | ML:1.9 | 0.0005935000000000001 | 1.08 | AML | other | m | 2023-04-18T09:43:43.22 |
IV.LNSS.HHN. | ML:1.9 | 0.0005575 | 0.14 | AML | other | m | 2023-04-18T09:43:43.31 |
IV.FDMO.HHN. | ML:1.3 | 0.0001019 | 1 | AML | other | m | 2023-04-18T09:43:45.56 |
IV.SMA1.EHN. | ML:1.5 | 0.00019600000000000002 | 0.26 | AML | other | m | 2023-04-18T09:43:45.01 |
IV.CESI.HHN. | ML:1.7 | 0.0002185 | 0.4 | AML | other | m | 2023-04-18T09:43:46.04 |
IV.FDMO.HHE. | ML:1.2 | 0.00008474999999999999 | 0.86 | AML | other | m | 2023-04-18T09:43:46.56 |
IV.RM33.EHN. | ML:1.3 | 0.0000906 | 1.4 | AML | other | m | 2023-04-18T09:43:46.87 |
IV.CESI.HHE. | ML:1.4 | 0.0001135 | 1.24 | AML | other | m | 2023-04-18T09:43:46.28 |
IV.SMA1.EHE. | ML:1.7 | 0.0002765 | 0.48 | AML | other | m | 2023-04-18T09:43:46.64 |
IV.RM33.EHE. | ML:1.5 | 0.000158 | 0.14 | AML | other | m | 2023-04-18T09:43:47.13 |
IV.CAMP.HHN. | ML:1.3 | 0.00006829999999999999 | 1.04 | AML | other | m | 2023-04-18T09:43:47.34 |
IV.CSP1.EHE. | ML:1.8 | 0.000227 | 1.6 | AML | other | m | 2023-04-18T09:43:47.07 |
IV.CAMP.HHE. | ML:1.2 | 0.00005955 | 0.6 | AML | other | m | 2023-04-18T09:43:48.30 |
IV.GUMA.HHE. | ML:1.9 | 0.000273 | 0.44 | AML | other | m | 2023-04-18T09:43:48.39 |
IV.CSP1.EHN. | ML:1.8 | 0.000242 | 0.74 | AML | other | m | 2023-04-18T09:43:48.44 |
IV.MF5.EHN. | ML:1.5 | 0.0001189 | 0.36 | AML | other | m | 2023-04-18T09:43:48.56 |
IV.MML1.EHE. | ML:1.2 | 0.0000606 | 1.08 | AML | other | m | 2023-04-18T09:43:49.95 |
IV.MML1.EHN. | ML:1.2 | 0.0000536 | 0.9 | AML | other | m | 2023-04-18T09:43:50.50 |
IV.TERO.HHN. | ML:1.6 | 0.0001194 | 1.44 | AML | other | m | 2023-04-18T09:43:50.91 |
IV.TERO.HHE. | ML:1.4 | 0.00007835000000000001 | 0.26 | AML | other | m | 2023-04-18T09:43:50.19 |
IV.GUMA.HHN. | ML:1.7 | 0.00016800000000000002 | 1.42 | AML | other | m | 2023-04-18T09:43:51.03 |
IV.ASSB.HHE. | ML:1.7 | 0.0001545 | 0.16 | AML | other | m | 2023-04-18T09:43:51.06 |
IV.CESX.HHE. | ML:1.3 | 0.0000592 | 0.34 | AML | other | m | 2023-04-18T09:43:51.37 |
IV.CESX.HHN. | ML:1.4 | 0.00006525 | 0.18 | AML | other | m | 2023-04-18T09:43:51.40 |
IV.GIGS.HHN. | ML:0.9 | 0.000020900000000000003 | 0.32 | AML | other | m | 2023-04-18T09:43:51.74 |
IV.MF5.EHE. | ML:1.4 | 0.0000897 | 1.2 | AML | other | m | 2023-04-18T09:43:52.10 |
IV.ASSB.HHN. | ML:1.7 | 0.000156 | 0.98 | AML | other | m | 2023-04-18T09:43:52.70 |
IV.GIGS.HHE. | ML:1.0 | 0.000024149999999999997 | 1.08 | AML | other | m | 2023-04-18T09:43:52.88 |
IV.ATCC.EHE. | ML:1.6 | 0.00007580000000000001 | 1.04 | AML | other | m | 2023-04-18T09:43:53.45 |
IV.ATCC.EHN. | ML:1.7 | 0.0000931 | 0.7 | AML | other | m | 2023-04-18T09:43:55.36 |