A magnitude ML 0.9 earthquake occured in region: 3 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8160, 13.0760 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 | 3 | 4957 | 4957 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Cerreto di Spoleto | PG | 13 | 1075 | 11361 |
Sellano | PG | 15 | 1079 | 12440 |
Ussita | MC | 15 | 444 | 12884 |
Poggiodomo | PG | 16 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Arquata del Tronto | AP | 19 | 1178 | 14543 |
Accumoli | RI | 19 | 667 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2023-04-07 19:38:40 |
42.8163 | 13.0765 | 11 | 2024-03-01 17:18:06 |
Bollettino Sismico Italiano INGV | 117142101 |
Field | Value |
---|---|
Time (UTC) | 2023-04-07 19:38:40 ± 0.04 |
Latitude | 42.8163 ± 0.0018 |
Longitude | 13.0765 ± 0.0037 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117142101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 289 |
Semi-minor axis of confidence ellipse (meter) | 50 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 294 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.03238 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32376 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 117142101 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-08 07:37:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.HNE. | 2023-04-07T19:38:52.75 | 0.6 | undecidable | manual | S | 162 | 35.9418 | 50 | 0.06 | 47 |
IV.MML1.HNE. | 2023-04-07T19:38:52.16 | 0.6 | undecidable | manual | S | 346 | 34.0437 | 50 | -0.03 | 48 |
IV.CSP1.EHE. | 2023-04-07T19:38:51.80 | 0.6 | undecidable | manual | S | 19 | 32.2455 | 50 | 0.08 | 47 |
IV.LNSS.HNZ. | 2023-04-07T19:38:49.20 | 0.6 | undecidable | manual | S | 187 | 23.8539 | 50 | -0.27 | 47 |
IV.CESI.HHZ. | 2023-04-07T19:38:49.67 | 0.3 | undecidable | manual | S | 326 | 25.1526 | 50 | -0.14 | 72 |
IV.FDMO.HHZ. | 2023-04-07T19:38:49.47 | 0.3 | undecidable | manual | S | 2 | 24.4533 | 50 | -0.15 | 72 |
IV.MMO1.EHZ. | 2023-04-07T19:38:48.97 | 0.6 | undecidable | manual | S | 66 | 22.3554 | 50 | -0.09 | 49 |
7F.SIB2.EHE. | 2023-04-07T19:38:48.23 | 0.6 | undecidable | manual | S | 66 | 20.2686 | 50 | -0.28 | 47 |
IV.GAVE.EHN. | 2023-04-07T19:38:48.18 | 0.6 | undecidable | manual | S | 227 | 20.2686 | 50 | -0.33 | 46 |
IV.RM33.HNE. | 2023-04-07T19:38:47.89 | 0.1 | undecidable | manual | P | 162 | 35.9418 | 50 | 0.32 | 90 |
IV.MML1.HNE. | 2023-04-07T19:38:47.46 | 0.6 | undecidable | manual | P | 346 | 34.0437 | 50 | 0.18 | 46 |
7F.SIB3.EHN. | 2023-04-07T19:38:47.44 | 0.6 | undecidable | manual | S | 67 | 17.0718 | 122 | -0.15 | 48 |
7F.SIB1.EHE. | 2023-04-07T19:38:47.81 | 0.6 | undecidable | manual | S | 61 | 17.9709 | 121 | -0.05 | 49 |
IV.CSP1.EHE. | 2023-04-07T19:38:46.78 | 0.6 | undecidable | manual | P | 19 | 32.2455 | 50 | -0.23 | 46 |
IV.CESI.HHZ. | 2023-04-07T19:38:45.96 | 0.3 | negative | manual | P | 326 | 25.1526 | 50 | 0.05 | 73 |
IV.FDMO.HHZ. | 2023-04-07T19:38:45.98 | 0.6 | undecidable | manual | P | 2 | 24.4533 | 50 | 0.17 | 47 |
IV.GAVE.EHN. | 2023-04-07T19:38:45.20 | 0.1 | undecidable | manual | P | 227 | 20.2686 | 50 | 0.04 | 98 |
IV.LNSS.HNZ. | 2023-04-07T19:38:45.53 | 0.1 | undecidable | manual | P | 187 | 23.8539 | 50 | -0.19 | 95 |
IV.MMO1.EHZ. | 2023-04-07T19:38:45.55 | 0.6 | undecidable | manual | P | 66 | 22.3554 | 50 | 0.07 | 48 |
7F.SIB2.EHE. | 2023-04-07T19:38:45.08 | 0.1 | undecidable | manual | P | 66 | 20.2686 | 50 | -0.08 | 98 |
IV.NRCA.HHZ. | 2023-04-07T19:38:44.46 | 0.6 | undecidable | manual | S | 58 | 3.5964 | 162 | -0.09 | 49 |
7F.SIB3.EHN. | 2023-04-07T19:38:44.47 | 0.1 | undecidable | manual | P | 67 | 17.0718 | 122 | -0.16 | 96 |
7F.SIB1.EHE. | 2023-04-07T19:38:44.83 | 0.1 | undecidable | manual | P | 61 | 17.9709 | 121 | 0.04 | 98 |
IV.NRCA.HHZ. | 2023-04-07T19:38:43.05 | 0.1 | undecidable | manual | P | 58 | 3.5964 | 162 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.0001595 | 0.18 | AML | other | m | 2023-04-07T19:38:44.55 |
IV.NRCA.HHN. | ML:0.9 | 0.0001305 | 0.14 | AML | other | m | 2023-04-07T19:38:44.52 |