A magnitude ML 1.1 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8290, 13.1490 at 11 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Arquata del Tronto | AP | 14 | 1178 | 8691 |
Montegallo | AP | 15 | 523 | 9214 |
Cascia | PG | 16 | 3217 | 12431 |
Montemonaco | AP | 17 | 604 | 13035 |
Accumoli | RI | 17 | 667 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Bolognola | MC | 20 | 142 | 15998 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-09-28 00:20:57 |
42.8288 | 13.1487 | 11 | 2023-09-28 00:46:04 |
Sala Sismica INGV-Roma | 121528121 |
Field | Value |
---|---|
Time (UTC) | 2023-09-28 00:20:57 ± 0.1 |
Latitude | 42.8288 ± 0.0054 |
Longitude | 13.1487 ± 0.0098 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121528121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 879 |
Semi-minor axis of confidence ellipse (meter) | 485 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 118 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 880.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.02608 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27789 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121528121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-28 00:46:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2023-09-28T00:21:08.32 | 0.6 | undecidable | manual | S | 55 | 30.8469 | 50 | 0.45 | 91 |
IV.GUMA.HHZ. | 2023-09-28T00:21:08.21 | 0.6 | undecidable | manual | S | 30 | 30.0477 | 50 | 0.55 | 88 |
IV.CSP1.EHZ. | 2023-09-28T00:21:07.23 | 0.6 | undecidable | manual | S | 9 | 29.5482 | 50 | -0.29 | 94 |
IV.LNSS.HHZ. | 2023-09-28T00:21:06.77 | 0.6 | undecidable | manual | S | 199 | 26.5512 | 50 | 0.03 | 100 |
IV.FDMO.HHZ. | 2023-09-28T00:21:05.74 | 0.6 | undecidable | manual | S | 348 | 23.5542 | 50 | -0.19 | 97 |
IV.MMO1.EHZ. | 2023-09-28T00:21:03.53 | 0.6 | undecidable | manual | S | 62 | 16.4724 | 123 | -0.36 | 95 |
IV.MF5.EHZ. | 2023-09-28T00:21:03.35 | 1.0 | undecidable | manual | P | 55 | 30.8469 | 50 | 0.04 | 50 |
IV.GUMA.HHZ. | 2023-09-28T00:21:03.22 | 0.6 | positive | manual | P | 30 | 30.0477 | 50 | 0.03 | 99 |
IV.FDMO.HHZ. | 2023-09-28T00:21:02.07 | 1.0 | positive | manual | P | 348 | 23.5542 | 50 | -0.13 | 49 |
IV.CSP1.EHZ. | 2023-09-28T00:21:02.96 | 0.6 | negative | manual | P | 9 | 29.5482 | 50 | -0.16 | 97 |
IV.LNSS.HHZ. | 2023-09-28T00:21:02.56 | 0.6 | undecidable | manual | P | 199 | 26.5512 | 50 | -0.1 | 99 |
IV.SMA1.EHZ. | 2023-09-28T00:21:02.31 | 1.0 | undecidable | manual | P | 145 | 26.751 | 50 | -0.38 | 47 |
IV.NRCA.HHZ. | 2023-09-28T00:21:01.15 | 0.6 | undecidable | manual | S | 281 | 2.8971 | 165 | 0.24 | 100 |
IV.MMO1.EHZ. | 2023-09-28T00:21:00.86 | 0.6 | undecidable | manual | P | 62 | 16.4724 | 123 | -0.16 | 99 |
IV.NRCA.HHZ. | 2023-09-28T00:20:59.54 | 0.6 | undecidable | manual | P | 281 | 2.8971 | 165 | 0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.0002165 | 0.36 | AML | other | m | 2023-09-28T00:21:01.20 |
IV.NRCA.HHE. | ML:1.3 | 0.00033850000000000004 | 0.1 | AML | other | m | 2023-09-28T00:21:01.31 |
IV.MMO1.EHN. | ML:1.0 | 0.00008790000000000001 | 1.56 | AML | other | m | 2023-09-28T00:21:04.09 |
IV.MMO1.EHE. | ML:1.0 | 0.00008695 | 1.1 | AML | other | m | 2023-09-28T00:21:04.82 |
IV.LNSS.HHN. | ML:1.1 | 0.00006510000000000001 | 0.34 | AML | other | m | 2023-09-28T00:21:07.33 |
IV.LNSS.HHE. | ML:1.1 | 0.00007585 | 0.12 | AML | other | m | 2023-09-28T00:21:07.54 |
IV.GUMA.HHE. | ML:1.3 | 0.0000963 | 0.3 | AML | other | m | 2023-09-28T00:21:08.37 |
IV.GUMA.HHN. | ML:1.2 | 0.00007879999999999999 | 0.5 | AML | other | m | 2023-09-28T00:21:09.29 |