A magnitude ML 1.1 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8140, 13.1020 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 | 2 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Cerreto di Spoleto | PG | 15 | 1075 | 11805 |
Sellano | PG | 17 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Poggiodomo | PG | 18 | 117 | 14179 |
Accumoli | RI | 18 | 667 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-02-22 00:38:17 |
42.8135 | 13.1022 | 11 | 2023-02-22 00:52:07 |
Sala Sismica INGV-Roma | 114675741 |
Field | Value |
---|---|
Time (UTC) | 2023-02-22 00:38:17 ± 0.05 |
Latitude | 42.8135 ± 0.0027 |
Longitude | 13.1022 ± 0.0049 |
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 | 114675741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 423 |
Semi-minor axis of confidence ellipse (meter) | 202 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
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) | 103 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.02158 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31566 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 114675741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-22 00:52:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2023-02-22T00:38:29.55 | 0.6 | undecidable | manual | S | 165 | 35.0427 | 50 | -0.02 | 49 |
IV.CSP1.EHZ. | 2023-02-22T00:38:28.93 | 0.3 | undecidable | manual | S | 15 | 31.9458 | 50 | 0.17 | 72 |
IV.CESI.HHZ. | 2023-02-22T00:38:27.12 | 0.6 | undecidable | manual | S | 323 | 26.6511 | 50 | -0.21 | 48 |
IV.LNSS.HHZ. | 2023-02-22T00:38:26.46 | 0.3 | undecidable | manual | S | 192 | 23.8539 | 50 | -0.15 | 73 |
IV.GAVE.EHZ. | 2023-02-22T00:38:26.17 | 0.3 | undecidable | manual | S | 232 | 21.6672 | 50 | 0.17 | 73 |
IV.FDMO.HHZ. | 2023-02-22T00:38:26.68 | 0.3 | undecidable | manual | S | 357 | 24.753 | 50 | -0.16 | 73 |
IV.MMO1.EHZ. | 2023-02-22T00:38:25.55 | 0.6 | undecidable | manual | S | 62 | 20.5683 | 50 | -0.18 | 49 |
IV.CSP1.EHZ. | 2023-02-22T00:38:24.19 | 0.6 | undecidable | manual | P | 15 | 31.9458 | 50 | 0.1 | 49 |
IV.RM33.EHZ. | 2023-02-22T00:38:24.63 | 1.0 | undecidable | manual | P | 165 | 35.0427 | 50 | 0.07 | 24 |
IV.MC2.EHZ. | 2023-02-22T00:38:23.76 | 0.3 | undecidable | manual | S | 33 | 12.9759 | 130 | 0.2 | 74 |
IV.CESI.HHZ. | 2023-02-22T00:38:23.29 | 0.3 | negative | manual | P | 323 | 26.6511 | 50 | 0.03 | 75 |
IV.GAVE.EHZ. | 2023-02-22T00:38:22.58 | 1.0 | negative | manual | P | 232 | 21.6672 | 50 | 0.08 | 25 |
IV.FDMO.HHZ. | 2023-02-22T00:38:22.95 | 0.6 | negative | manual | P | 357 | 24.753 | 50 | -0.03 | 50 |
IV.LNSS.HHZ. | 2023-02-22T00:38:22.96 | 0.3 | negative | manual | P | 192 | 23.8539 | 50 | 0.11 | 74 |
IV.MMO1.EHZ. | 2023-02-22T00:38:22.25 | 0.6 | positive | manual | P | 62 | 20.5683 | 50 | -0.09 | 50 |
IV.MC2.EHZ. | 2023-02-22T00:38:21.35 | 0.6 | undecidable | manual | P | 33 | 12.9759 | 130 | 0.26 | 49 |
IV.NRCA.HHZ. | 2023-02-22T00:38:21.34 | 0.1 | undecidable | manual | S | 24 | 2.3976 | 167 | -0.21 | 100 |
IV.NRCA.HHZ. | 2023-02-22T00:38:19.90 | 1.0 | undecidable | manual | P | 24 | 2.3976 | 167 | -0.03 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0005275000000000001 | 0.12 | AML | other | m | 2023-02-22T00:38:21.43 |
IV.NRCA.HNE. | ML:1.3 | 0.00032199999999999997 | 0.96 | AML | other | m | 2023-02-22T00:38:21.90 |
IV.NRCA.HHE. | ML:1.3 | 0.0003305 | 0.94 | AML | other | m | 2023-02-22T00:38:21.43 |
IV.NRCA.HNN. | ML:1.5 | 0.0005669999999999999 | 0.78 | AML | other | m | 2023-02-22T00:38:22.43 |
IV.MC2.EHN. | ML:1.4 | 0.00026635 | 1.12 | AML | other | m | 2023-02-22T00:38:25.95 |
IV.MMO1.EHE. | ML:0.8 | 0.000050749999999999994 | 0.22 | AML | other | m | 2023-02-22T00:38:26.55 |
IV.MC2.EHE. | ML:1.3 | 0.00018805 | 0.5 | AML | other | m | 2023-02-22T00:38:26.91 |
IV.LNSS.HHE. | ML:1.0 | 0.000061 | 0.4 | AML | other | m | 2023-02-22T00:38:26.99 |
IV.FDMO.HHN. | ML:0.6 | 0.000024399999999999997 | 1.52 | AML | other | m | 2023-02-22T00:38:27.89 |
IV.LNSS.HHN. | ML:1.1 | 0.00007725 | 0.22 | AML | other | m | 2023-02-22T00:38:27.31 |
IV.FDMO.HHE. | ML:0.8 | 0.0000361 | 0.84 | AML | other | m | 2023-02-22T00:38:27.44 |
IV.CESI.HHE. | ML:0.7 | 0.000032149999999999995 | 0.46 | AML | other | m | 2023-02-22T00:38:27.79 |
IV.CESI.HHN. | ML:1.0 | 0.00004915 | 0.26 | AML | other | m | 2023-02-22T00:38:27.71 |
IV.MMO1.EHN. | ML:0.8 | 0.0000453 | 1.12 | AML | other | m | 2023-02-22T00:38:27.98 |