A magnitude ML 1.1 earthquake occured in region: 3 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8140, 13.0650 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 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 12 | 1075 | 10254 |
Visso | MC | 13 | 1107 | 11361 |
Sellano | PG | 14 | 1079 | 12440 |
Poggiodomo | PG | 16 | 117 | 12557 |
Ussita | MC | 16 | 444 | 13001 |
Vallo di Nera | PG | 17 | 364 | 13365 |
Arquata del Tronto | AP | 20 | 1178 | 14543 |
Accumoli | RI | 20 | 667 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2023-04-01 15:47:30 |
42.8143 | 13.0647 | 11 | 2024-03-01 17:18:04 |
Bollettino Sismico Italiano INGV | 116606111 |
Reviewed Rev100 |
ML 1.1 | 2023-04-01 15:47:30 |
42.8102 | 13.0677 | 12 | 2023-04-01 16:02:57 |
Sala Sismica INGV-Roma | 115950421 |
Field | Value |
---|---|
Time (UTC) | 2023-04-01 15:47:30 ± 0.05 |
Latitude | 42.8143 ± 0.0027 |
Longitude | 13.0647 ± 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 | 116606111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 343 |
Semi-minor axis of confidence ellipse (meter) | 277 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 146 |
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) | 102 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29588 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116606111 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-04-22 10:06:45 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 115950421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-01 16:02:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OX.MARN.HHZ. | 2023-04-01T15:49:03.00 | 3.0 | undecidable | manual | Sn | 0.92 | 0 | |||
CR.STON.BHZ. | 2023-04-01T15:49:01.34 | 3.0 | undecidable | manual | Sn | 8.5 | 0 | |||
IV.SALB.HHZ. | 2023-04-01T15:48:50.58 | 3.0 | undecidable | manual | Sn | -0.04 | 0 | |||
IV.MCEL.HHZ. | 2023-04-01T15:48:09.78 | 3.0 | undecidable | manual | Pg | 7.49 | 0 | |||
IV.MRLC.HHZ. | 2023-04-01T15:47:58.01 | 3.0 | undecidable | manual | Pn | 2.13 | 0 | |||
IV.CSP1.EHZ. | 2023-04-01T15:47:42.28 | 0.3 | undecidable | manual | S | 20 | 32.8449 | 50 | 0.21 | 71 |
IV.SMA1.EHZ. | 2023-04-01T15:47:41.57 | 0.3 | undecidable | manual | S | 133 | 30.0477 | 50 | 0.25 | 71 |
IV.MMO1.EHN. | 2023-04-01T15:47:39.60 | 0.6 | undecidable | manual | S | 66 | 23.2545 | 50 | 0.07 | 50 |
IV.FDMO.HHZ. | 2023-04-01T15:47:39.76 | 0.6 | undecidable | manual | S | 4 | 24.753 | 50 | -0.14 | 49 |
IV.CESI.HHZ. | 2023-04-01T15:47:39.85 | 0.3 | undecidable | manual | S | 328 | 24.8529 | 50 | -0.08 | 74 |
7F.SIB1.EHE. | 2023-04-01T15:47:38.29 | 0.3 | undecidable | manual | S | 62 | 18.9699 | 119 | 0 | 76 |
IV.GAVE.EHN. | 2023-04-01T15:47:38.34 | 0.3 | undecidable | manual | S | 226 | 19.3695 | 119 | -0.09 | 75 |
IV.CSP1.EHZ. | 2023-04-01T15:47:37.39 | 0.1 | undecidable | manual | P | 20 | 32.8449 | 50 | 0.1 | 97 |
7F.SIB3.EHN. | 2023-04-01T15:47:37.78 | 0.3 | undecidable | manual | S | 68 | 17.9709 | 121 | -0.23 | 73 |
IV.SMA1.EHZ. | 2023-04-01T15:47:36.58 | 0.1 | undecidable | manual | P | 133 | 30.0477 | 50 | -0.28 | 94 |
IV.FDMO.HHZ. | 2023-04-01T15:47:36.08 | 0.3 | undecidable | manual | P | 4 | 24.753 | 50 | 0.04 | 75 |
IV.CESI.HHZ. | 2023-04-01T15:47:35.97 | 0.1 | undecidable | manual | P | 328 | 24.8529 | 50 | -0.09 | 99 |
IV.MMO1.EHN. | 2023-04-01T15:47:35.66 | 0.3 | undecidable | manual | P | 66 | 23.2545 | 50 | -0.16 | 73 |
7F.SIB1.EHE. | 2023-04-01T15:47:35.21 | 0.1 | undecidable | manual | P | 62 | 18.9699 | 119 | 0.11 | 99 |
IV.GAVE.EHN. | 2023-04-01T15:47:35.30 | 0.1 | undecidable | manual | P | 226 | 19.3695 | 119 | 0.11 | 99 |
IV.NRCA.HHZ. | 2023-04-01T15:47:34.82 | 0.6 | undecidable | manual | S | 62 | 4.5954 | 157 | 0.05 | 51 |
7F.SIB3.EHN. | 2023-04-01T15:47:34.83 | 0.1 | undecidable | manual | P | 68 | 17.9709 | 121 | -0.12 | 99 |
IV.NRCA.HHZ. | 2023-04-01T15:47:33.26 | 0.1 | undecidable | manual | P | 62 | 4.5954 | 157 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.000317 | 0.16 | AML | other | m | 2023-04-01T15:47:34.99 |
IV.NRCA.HHN. | ML:1.2 | 0.0002445 | 1.18 | AML | other | m | 2023-04-01T15:47:35.21 |
IV.CESI.HHE. | ML:0.8 | 0.00003505 | 1.52 | AML | other | m | 2023-04-01T15:47:39.92 |
IV.CESI.HHN. | ML:0.9 | 0.0000516 | 0.2 | AML | other | m | 2023-04-01T15:47:40.08 |
IV.NRCA.HNE. | ML:1.2 | 0.00027629194999999996 | 0.1536 | AML | other | m | 2023-04-01T15:47:34.00 |
IV.NRCA.HNN. | ML:1.1 | 0.00021933049999999998 | 1.1776 | AML | other | m | 2023-04-01T15:47:34.93 |