A magnitude ML 0.8 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8090, 13.1260 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 14 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Arquata del Tronto | AP | 15 | 1178 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 17 | 523 | 14173 |
Sellano | PG | 19 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2024-04-04 02:27:41 |
42.8087 | 13.1262 | 9 | 2024-04-04 03:28:57 |
Sala Sismica INGV-Roma | 126460981 |
Field | Value |
---|---|
Time (UTC) | 2024-04-04 02:27:41 ± 0.15 |
Latitude | 42.8087 ± 0.0045 |
Longitude | 13.1262 ± 0.0098 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126460981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 676 |
Semi-minor axis of confidence ellipse (meter) | 543 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22933 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 126460981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-04 03:28:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2024-04-04T02:28:12.98 | 3.0 | undecidable | manual | S | -0.64 | 0 | |||
IV.NARO.HHZ. | 2024-04-04T02:27:59.84 | 3.0 | negative | manual | P | 0.12 | 0 | |||
IV.LNSS.HHZ. | 2024-04-04T02:27:50.30 | 0.1 | undecidable | manual | S | 197 | 23.8539 | 111 | -0.12 | 96 |
IV.MMO1.EHZ. | 2024-04-04T02:27:48.86 | 0.1 | undecidable | manual | S | 58 | 19.1697 | 116 | -0.06 | 97 |
IV.LNSS.HHZ. | 2024-04-04T02:27:46.75 | 0.1 | undecidable | manual | P | 197 | 23.8539 | 111 | 0.08 | 96 |
IV.FDMO.HHZ. | 2024-04-04T02:27:46.84 | 0.1 | undecidable | manual | P | 353 | 25.4523 | 110 | -0.13 | 95 |
IV.MMO1.EHZ. | 2024-04-04T02:27:45.87 | 0.1 | undecidable | manual | P | 58 | 19.1697 | 116 | 0.06 | 97 |
IV.NRCA.HHZ. | 2024-04-04T02:27:44.82 | 0.1 | undecidable | manual | S | 341 | 2.8971 | 162 | -0.07 | 100 |
IV.NRCA.HHZ. | 2024-04-04T02:27:43.72 | 0.1 | undecidable | manual | P | 341 | 2.8971 | 162 | 0.24 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:0.8 | 0.000035000000000000004 | 1.02 | AML | other | m | 2024-04-04T02:27:50.29 |
IV.LNSS.HHN. | ML:0.8 | 0.000035999999999999994 | 0.58 | AML | other | m | 2024-04-04T02:27:51.35 |