A magnitude ML 1.6 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7920, 13.1490 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 | 12 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 13 | 667 | 7807 |
Cascia | PG | 14 | 3217 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 16 | 1107 | 12654 |
Ussita | MC | 17 | 444 | 13098 |
Montemonaco | AP | 19 | 604 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Cittareale | RI | 19 | 482 | 15259 |
Poggiodomo | PG | 20 | 117 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2023-12-05 23:31:53 |
42.7915 | 13.1487 | 8 | 2023-12-05 23:42:54 |
Sala Sismica INGV-Roma | 123843121 |
Field | Value |
---|---|
Time (UTC) | 2023-12-05 23:31:53 ± 0.07 |
Latitude | 42.7915 ± 0.0027 |
Longitude | 13.1487 ± 0.0049 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 123843121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 421 |
Semi-minor axis of confidence ellipse (meter) | 117 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 262 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 20 |
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) | 0.34714 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 123843121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-05 23:42:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.EHZ. | 2023-12-05T23:32:06.56 | 1.0 | undecidable | manual | S | 338 | 38.5281 | 50 | 0.14 | 24 |
IV.GUMA.HHZ. | 2023-12-05T23:32:05.36 | 0.6 | undecidable | manual | S | 27 | 33.6441 | 50 | 0.22 | 48 |
IV.CSP1.EHZ. | 2023-12-05T23:32:05.17 | 1.0 | undecidable | manual | S | 8 | 33.6441 | 104 | 0.05 | 25 |
IV.RM33.EHZ. | 2023-12-05T23:32:04.30 | 0.6 | undecidable | manual | S | 170 | 31.8459 | 105 | -0.21 | 48 |
IV.ATCC.EHZ. | 2023-12-05T23:32:04.30 | 3.0 | undecidable | manual | S | -0.34 | 0 | |||
IV.CESI.HHZ. | 2023-12-05T23:32:04.35 | 0.6 | undecidable | manual | S | 320 | 30.8469 | 105 | 0.15 | 49 |
IV.FDMO.HHZ. | 2023-12-05T23:32:03.25 | 0.6 | undecidable | manual | S | 350 | 27.6501 | 107 | 0.14 | 49 |
IV.LNSS.HHZ. | 2023-12-05T23:32:01.85 | 0.6 | undecidable | manual | S | 203 | 22.755 | 110 | 0.36 | 48 |
IV.TERO.HHZ. | 2023-12-05T23:32:01.14 | 3.0 | undecidable | manual | P | 0.93 | 0 | |||
IV.SMA1.EHZ. | 2023-12-05T23:32:01.84 | 0.6 | undecidable | manual | S | 140 | 23.4543 | 110 | 0.11 | 50 |
IV.ARRO.EHZ. | 2023-12-05T23:32:01.16 | 3.0 | undecidable | manual | P | 1.62 | 0 | |||
IV.MML1.EHZ. | 2023-12-05T23:32:00.57 | 0.1 | undecidable | manual | P | 338 | 38.5281 | 50 | -0.22 | 95 |
IV.CSP1.EHZ. | 2023-12-05T23:32:00.79 | 1.0 | undecidable | manual | P | 8 | 33.6441 | 104 | 0.75 | 20 |
IV.GUMA.HHZ. | 2023-12-05T23:32:00.07 | 0.1 | undecidable | manual | P | 27 | 33.6441 | 50 | 0.02 | 100 |
IV.MMO1.EHZ. | 2023-12-05T23:32:00.10 | 0.6 | undecidable | manual | S | 50 | 18.7701 | 114 | -0.13 | 50 |
IV.CESI.HHZ. | 2023-12-05T23:31:59.48 | 0.6 | undecidable | manual | P | 320 | 30.8469 | 105 | -0.03 | 50 |
IV.RM33.EHZ. | 2023-12-05T23:31:59.50 | 0.6 | positive | manual | P | 170 | 31.8459 | 105 | -0.18 | 49 |
IV.FDMO.HHZ. | 2023-12-05T23:31:58.79 | 0.1 | undecidable | manual | P | 350 | 27.6501 | 107 | -0.09 | 100 |
IV.LNSS.HHZ. | 2023-12-05T23:31:58.09 | 1.0 | positive | manual | P | 203 | 22.755 | 110 | 0.15 | 25 |
IV.SMA1.EHZ. | 2023-12-05T23:31:58.23 | 1.0 | negative | manual | P | 140 | 23.4543 | 110 | 0.14 | 25 |
IV.MMO1.EHZ. | 2023-12-05T23:31:57.19 | 1.0 | positive | manual | P | 50 | 18.7701 | 114 | -0.03 | 26 |
IV.NRCA.HNZ. | 2023-12-05T23:31:56.20 | 0.6 | undecidable | manual | S | 329 | 5.4945 | 147 | -0.36 | 49 |
IV.NRCA.HNZ. | 2023-12-05T23:31:55.08 | 0.3 | positive | manual | P | 329 | 5.4945 | 147 | -0.02 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:2.3 | 0.0038200000000000005 | 0.66 | AML | other | m | 2023-12-05T23:31:56.69 |
IV.NRCA.HHE. | ML:2.3 | 0.00404 | 0.66 | AML | other | m | 2023-12-05T23:31:56.69 |
IV.NRCA.HNN. | ML:1.9 | 0.001685 | 0.4 | AML | other | m | 2023-12-05T23:31:57.51 |
IV.NRCA.HHN. | ML:2.0 | 0.00176 | 0.12 | AML | other | m | 2023-12-05T23:31:57.51 |
IV.MMO1.EHE. | ML:1.7 | 0.00036899999999999997 | 0.26 | AML | other | m | 2023-12-05T23:32:00.61 |
IV.MMO1.EHN. | ML:1.8 | 0.0005065000000000001 | 0.86 | AML | other | m | 2023-12-05T23:32:00.46 |
IV.SMA1.EHN. | ML:1.4 | 0.000177 | 1.54 | AML | other | m | 2023-12-05T23:32:03.21 |
IV.LNSS.HHN. | ML:1.4 | 0.0001885 | 0.48 | AML | other | m | 2023-12-05T23:32:04.12 |
IV.LNSS.HHE. | ML:1.4 | 0.000169 | 0.52 | AML | other | m | 2023-12-05T23:32:04.32 |
IV.SMA1.EHE. | ML:1.4 | 0.0001795 | 0.54 | AML | other | m | 2023-12-05T23:32:05.10 |
IV.CESI.HHE. | ML:1.4 | 0.00011355000000000001 | 0.92 | AML | other | m | 2023-12-05T23:32:05.16 |
IV.CESI.HHN. | ML:1.7 | 0.00023249999999999999 | 0.22 | AML | other | m | 2023-12-05T23:32:05.80 |
IV.FDMO.HHN. | ML:1.2 | 0.00009685000000000001 | 1.24 | AML | other | m | 2023-12-05T23:32:05.25 |
IV.RM33.EHN. | ML:1.5 | 0.00014199999999999998 | 0.68 | AML | other | m | 2023-12-05T23:32:06.51 |
IV.FDMO.HHE. | ML:1.3 | 0.000101 | 0.78 | AML | other | m | 2023-12-05T23:32:06.77 |
IV.RM33.EHE. | ML:1.4 | 0.00011399999999999999 | 0.42 | AML | other | m | 2023-12-05T23:32:06.71 |
IV.GUMA.HHE. | ML:1.9 | 0.000352 | 1.68 | AML | other | m | 2023-12-05T23:32:06.07 |
IV.CSP1.EHN. | ML:1.8 | 0.000244 | 0.78 | AML | other | m | 2023-12-05T23:32:07.15 |
IV.ARRO.EHE. | ML:1.3 | 0.00006515 | 0.42 | AML | other | m | 2023-12-05T23:32:08.04 |
IV.CSP1.EHE. | ML:1.9 | 0.0003375 | 0.42 | AML | other | m | 2023-12-05T23:32:08.31 |
IV.ARRO.EHN. | ML:1.4 | 0.00008810000000000001 | 0.62 | AML | other | m | 2023-12-05T23:32:09.04 |
IV.GUMA.HHN. | ML:1.7 | 0.000236 | 0.9 | AML | other | m | 2023-12-05T23:32:10.47 |