A magnitude ML 1.2 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8060, 13.1380 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 12 | 724 | 5962 |
Arquata del Tronto | AP | 14 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Poggiodomo | PG | 20 | 117 | 14894 |
Sellano | PG | 20 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-07-21 15:47:59 |
42.8058 | 13.1377 | 9 | 2023-07-21 16:11:14 |
Sala Sismica INGV-Roma | 119456021 |
Field | Value |
---|---|
Time (UTC) | 2023-07-21 15:47:59 ± 0.05 |
Latitude | 42.8058 ± 0.0027 |
Longitude | 13.1377 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119456021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 335 |
Semi-minor axis of confidence ellipse (meter) | 165 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 62 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.03238 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47574 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 119456021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-21 16:11:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIGS.HHZ. | 2023-07-21T15:48:15.65 | 0.6 | undecidable | manual | S | 138 | 52.8027 | 50 | -0.38 | 44 |
IV.ASSB.HHZ. | 2023-07-21T15:48:14.41 | 0.6 | undecidable | manual | S | 304 | 46.9197 | 50 | -0.04 | 48 |
IV.TERO.HHZ. | 2023-07-21T15:48:13.44 | 0.6 | undecidable | manual | S | 118 | 43.1235 | 50 | 0.01 | 49 |
IV.ARRO.EHZ. | 2023-07-21T15:48:12.40 | 0.6 | undecidable | manual | S | 230 | 39.4272 | 50 | -0.04 | 49 |
IV.MML1.EHZ. | 2023-07-21T15:48:11.34 | 0.6 | undecidable | manual | S | 339 | 36.741 | 50 | -0.38 | 46 |
IV.MF5.EHZ. | 2023-07-21T15:48:10.96 | 0.6 | undecidable | manual | S | 52 | 33.0447 | 50 | 0.22 | 48 |
IV.CSP1.EHZ. | 2023-07-21T15:48:10.52 | 0.6 | undecidable | manual | S | 10 | 32.1456 | 50 | 0 | 50 |
IV.RM33.EHZ. | 2023-07-21T15:48:10.81 | 0.6 | undecidable | manual | S | 169 | 33.5442 | 50 | -0.06 | 49 |
IV.CESX.HHZ. | 2023-07-21T15:48:09.15 | 0.1 | undecidable | manual | P | 244 | 50.0166 | 50 | 0.72 | 80 |
IV.FDMO.HHZ. | 2023-07-21T15:48:08.30 | 0.6 | undecidable | manual | S | 351 | 25.9518 | 110 | -0.36 | 47 |
IV.SMA1.EHZ. | 2023-07-21T15:48:08.37 | 0.6 | undecidable | manual | S | 140 | 25.2525 | 110 | -0.08 | 50 |
IV.GIGS.HHZ. | 2023-07-21T15:48:08.57 | 0.1 | undecidable | manual | P | 138 | 52.8027 | 50 | -0.3 | 90 |
IV.TERO.HHZ. | 2023-07-21T15:48:07.24 | 0.6 | undecidable | manual | P | 118 | 43.1235 | 50 | -0.13 | 48 |
IV.LNSS.HHZ. | 2023-07-21T15:48:07.87 | 0.3 | undecidable | manual | S | 199 | 23.8539 | 112 | -0.13 | 74 |
IV.ASSB.HHZ. | 2023-07-21T15:48:07.80 | 0.1 | undecidable | manual | P | 304 | 46.9197 | 50 | -0.16 | 94 |
IV.GAVE.EHZ. | 2023-07-21T15:48:07.43 | 0.6 | undecidable | manual | S | 238 | 23.4543 | 112 | -0.45 | 46 |
IV.MML1.EHZ. | 2023-07-21T15:48:06.88 | 1.0 | undecidable | manual | P | 339 | 36.741 | 50 | 0.5 | 22 |
IV.MF5.EHZ. | 2023-07-21T15:48:06.11 | 1.0 | positive | manual | P | 52 | 33.0447 | 50 | 0.29 | 23 |
IV.MMO1.EHZ. | 2023-07-21T15:48:06.38 | 0.6 | undecidable | manual | S | 56 | 18.5703 | 117 | 0.06 | 50 |
IV.ARRO.EHZ. | 2023-07-21T15:48:06.80 | 0.6 | undecidable | manual | P | 230 | 39.4272 | 50 | 0 | 49 |
IV.CSP1.EHZ. | 2023-07-21T15:48:05.75 | 0.6 | undecidable | manual | P | 10 | 32.1456 | 50 | 0.06 | 49 |
IV.RM33.EHZ. | 2023-07-21T15:48:05.98 | 1.0 | negative | manual | P | 169 | 33.5442 | 50 | 0.08 | 24 |
IV.GAVE.EHZ. | 2023-07-21T15:48:04.24 | 0.1 | undecidable | manual | P | 238 | 23.4543 | 112 | 0.07 | 100 |
IV.FDMO.HHZ. | 2023-07-21T15:48:04.62 | 0.3 | negative | manual | P | 351 | 25.9518 | 110 | 0 | 76 |
IV.LNSS.HHZ. | 2023-07-21T15:48:04.42 | 0.1 | undecidable | manual | P | 199 | 23.8539 | 112 | 0.18 | 98 |
IV.SMA1.EHZ. | 2023-07-21T15:48:04.75 | 0.6 | positive | manual | P | 140 | 25.2525 | 110 | 0.25 | 48 |
IV.MMO1.EHZ. | 2023-07-21T15:48:03.47 | 1.0 | undecidable | manual | P | 56 | 18.5703 | 117 | 0.2 | 25 |
IV.NRCA.HHZ. | 2023-07-21T15:48:02.48 | 0.6 | undecidable | manual | S | 328 | 3.5964 | 159 | -0.12 | 51 |
IV.NRCA.HHZ. | 2023-07-21T15:48:01.33 | 0.6 | undecidable | manual | P | 328 | 3.5964 | 159 | 0.21 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMO1.EHE. | ML:1.6 | 0.00028649999999999997 | 0.16 | AML | other | m | 2023-07-21T15:48:06.64 |
IV.MMO1.EHN. | ML:1.5 | 0.00023150000000000002 | 1.34 | AML | other | m | 2023-07-21T15:48:07.78 |
IV.FDMO.HHN. | ML:1.0 | 0.00005425 | 0.3 | AML | other | m | 2023-07-21T15:48:08.95 |
IV.FDMO.HHE. | ML:0.8 | 0.0000406 | 0.76 | AML | other | m | 2023-07-21T15:48:09.64 |
IV.SMA1.EHE. | ML:1.1 | 0.000068 | 1.26 | AML | other | m | 2023-07-21T15:48:10.93 |
IV.SMA1.EHN. | ML:1.1 | 0.00007135 | 0.54 | AML | other | m | 2023-07-21T15:48:10.52 |