A magnitude ML 0.8 earthquake occured in region: 5 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8180, 13.1400 at 8 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 | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Arquata del Tronto | AP | 14 | 1178 | 8247 |
Ussita | MC | 14 | 444 | 8691 |
Cascia | PG | 15 | 3217 | 11908 |
Montegallo | AP | 16 | 523 | 12431 |
Accumoli | RI | 16 | 667 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cerreto di Spoleto | PG | 18 | 1075 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-17 02:37:05 |
42.8177 | 13.1397 | 9 | 2023-09-17 02:43:51 |
Sala Sismica INGV-Roma | 121121501 |
Field | Value |
---|---|
Time (UTC) | 2023-09-17 02:37:05 ± 0.1 |
Latitude | 42.8177 ± 0.0036 |
Longitude | 13.1397 ± 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 | 121121501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 790 |
Semi-minor axis of confidence ellipse (meter) | 28 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
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) | 0.46045 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 121121501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-17 02:43:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SNTG.HHZ. | 2023-09-17T02:37:22.21 | 0.6 | undecidable | manual | S | 342 | 51.1155 | 50 | 0.22 | 47 |
IV.TERO.HHZ. | 2023-09-17T02:37:19.55 | 0.6 | undecidable | manual | S | 120 | 43.5231 | 50 | -0.43 | 47 |
IV.MF5.EHZ. | 2023-09-17T02:37:17.42 | 0.6 | undecidable | manual | S | 54 | 32.1456 | 105 | 0.56 | 46 |
IV.MML1.EHZ. | 2023-09-17T02:37:17.67 | 0.6 | undecidable | manual | S | 338 | 35.5422 | 50 | -0.16 | 51 |
IV.RM33.EHZ. | 2023-09-17T02:37:17.55 | 0.6 | undecidable | manual | S | 170 | 34.743 | 50 | -0.08 | 51 |
IV.CSP1.EHZ. | 2023-09-17T02:37:16.22 | 0.6 | undecidable | manual | S | 10 | 30.8469 | 105 | -0.22 | 49 |
IV.GUMA.HHZ. | 2023-09-17T02:37:16.71 | 0.6 | undecidable | manual | S | 30 | 31.4463 | 105 | 0.07 | 52 |
IV.SNTG.HHZ. | 2023-09-17T02:37:15.13 | 1.0 | undecidable | manual | P | 342 | 51.1155 | 50 | 0.18 | 24 |
IV.SMA1.EHZ. | 2023-09-17T02:37:15.02 | 0.6 | undecidable | manual | S | 142 | 26.1516 | 108 | 0.14 | 52 |
IV.FDMO.HHZ. | 2023-09-17T02:37:14.19 | 0.6 | undecidable | manual | S | 350 | 24.6531 | 109 | -0.18 | 50 |
IV.ATCC.EHZ. | 2023-09-17T02:37:14.19 | 3.0 | undecidable | manual | P | -0.16 | 0 | |||
IV.TERO.HHZ. | 2023-09-17T02:37:13.46 | 0.1 | undecidable | manual | P | 120 | 43.5231 | 50 | -0.32 | 96 |
IV.GUMA.HHZ. | 2023-09-17T02:37:12.12 | 0.6 | undecidable | manual | P | 30 | 31.4463 | 105 | 0.26 | 50 |
IV.MF5.EHZ. | 2023-09-17T02:37:12.24 | 1.0 | undecidable | manual | P | 54 | 32.1456 | 105 | 0.26 | 25 |
IV.MML1.EHZ. | 2023-09-17T02:37:12.40 | 1.0 | undecidable | manual | P | 338 | 35.5422 | 50 | -0.14 | 25 |
IV.RM33.EHZ. | 2023-09-17T02:37:12.57 | 0.1 | undecidable | manual | P | 170 | 34.743 | 50 | 0.14 | 100 |
IV.SMA1.EHZ. | 2023-09-17T02:37:11.05 | 0.6 | positive | manual | P | 142 | 26.1516 | 108 | 0.21 | 51 |
IV.CSP1.EHZ. | 2023-09-17T02:37:11.68 | 1.0 | negative | manual | P | 10 | 30.8469 | 105 | -0.06 | 25 |
IV.FDMO.HHZ. | 2023-09-17T02:37:10.73 | 1.0 | undecidable | manual | P | 350 | 24.6531 | 109 | 0.18 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.6 | 0.00002255 | 0.4 | AML | other | m | 2023-09-17T02:37:14.50 |
IV.FDMO.HHE. | ML:0.5 | 0.000021900000000000004 | 0.46 | AML | other | m | 2023-09-17T02:37:15.56 |
IV.SMA1.EHN. | ML:0.8 | 0.0000424 | 0.18 | AML | other | m | 2023-09-17T02:37:16.33 |
IV.SMA1.EHE. | ML:0.9 | 0.0000445 | 0.18 | AML | other | m | 2023-09-17T02:37:16.35 |
IV.MF5.EHE. | ML:0.7 | 0.000025149999999999998 | 1.58 | AML | other | m | 2023-09-17T02:37:17.05 |
IV.GUMA.HHN. | ML:1.1 | 0.0000583 | 0.28 | AML | other | m | 2023-09-17T02:37:17.59 |
IV.RM33.EHN. | ML:0.7 | 0.00002035 | 1.44 | AML | other | m | 2023-09-17T02:37:18.14 |
IV.RM33.EHE. | ML:0.7 | 0.000018599999999999998 | 0.14 | AML | other | m | 2023-09-17T02:37:18.16 |
IV.MML1.EHE. | ML:0.8 | 0.00002505 | 0.72 | AML | other | m | 2023-09-17T02:37:18.45 |
IV.GUMA.HHE. | ML:1.0 | 0.00005135 | 0.36 | AML | other | m | 2023-09-17T02:37:19.70 |
IV.MML1.EHN. | ML:0.7 | 0.0000201 | 1.52 | AML | other | m | 2023-09-17T02:37:19.92 |
IV.MF5.EHN. | ML:0.8 | 0.000031945 | 0.42 | AML | other | m | 2023-09-17T02:37:29.85 |