A magnitude ML 0.3 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8200, 13.1300 at 6 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 | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Ussita | MC | 14 | 444 | 7513 |
Arquata del Tronto | AP | 15 | 1178 | 8691 |
Cascia | PG | 15 | 3217 | 11908 |
Montegallo | AP | 17 | 523 | 12431 |
Accumoli | RI | 17 | 667 | 13098 |
Cerreto di Spoleto | PG | 17 | 1075 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Montemonaco | AP | 18 | 604 | 15856 |
Poggiodomo | PG | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.3 | 2023-04-02 17:22:17 |
42.8197 | 13.1303 | 6 | 2024-03-01 17:18:04 |
Bollettino Sismico Italiano INGV | 116464751 |
Reviewed Rev100 |
ML 0.3 | 2023-04-02 17:22:17 |
42.8307 | 13.128 | 5 | 2023-04-02 18:14:27 |
Sala Sismica INGV-Roma | 115977711 |
Field | Value |
---|---|
Time (UTC) | 2023-04-02 17:22:17 ± 0.26 |
Latitude | 42.8197 ± 0.0153 |
Longitude | 13.1303 ± 0.0061 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 116464751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1715 |
Semi-minor axis of confidence ellipse (meter) | 246 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 178 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 256 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.01799 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27699 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 115977711 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-02 18:14:27 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 116464751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-04-17 16:30:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-02T17:22:23.67 | 1.0 | negative | manual | P | 11 | 30.747 | 100 | 0.09 | 24 |
7F.SIB3.EHZ. | 2023-04-02T17:22:22.03 | 0.6 | undecidable | manual | S | 62 | 12.876 | 113 | -0.15 | 49 |
7F.SIB1.EHN. | 2023-04-02T17:22:22.77 | 0.6 | undecidable | manual | S | 54 | 14.0748 | 111 | 0.21 | 48 |
IV.CESI.HHZ. | 2023-04-02T17:22:22.90 | 0.1 | undecidable | manual | P | 318 | 27.5502 | 101 | -0.04 | 97 |
7F.SIB3.EHZ. | 2023-04-02T17:22:20.22 | 0.1 | undecidable | manual | P | 62 | 12.876 | 113 | 0.09 | 99 |
7F.SIB1.EHN. | 2023-04-02T17:22:20.37 | 0.1 | undecidable | manual | P | 54 | 14.0748 | 111 | 0.03 | 100 |
IV.MMO1.EHZ. | 2023-04-02T17:22:20.86 | 0.3 | undecidable | manual | P | 61 | 18.2706 | 107 | -0.28 | 71 |
IV.NRCA.HHZ. | 2023-04-02T17:22:19.16 | 0.6 | undecidable | manual | S | 320 | 1.998 | 160 | -0.17 | 50 |
IV.NRCA.HHZ. | 2023-04-02T17:22:18.63 | 0.1 | undecidable | manual | P | 320 | 1.998 | 160 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMO1.EHN. | ML:0.4 | 0.000020867385999999998 | 0.2688 | AML | other | m | 2023-04-02T17:22:24.24 |
IV.MMO1.EHE. | ML:0.2 | 0.000016780025 | 0.2048 | AML | other | m | 2023-04-02T17:22:26.69 |