A magnitude ML 0.8 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7990, 13.1820 at 12 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 | 7 | 4957 | 4957 |
Arquata del Tronto | AP | 10 | 1178 | 6135 |
Castelsantangelo sul Nera | MC | 11 | 281 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Montegallo | AP | 13 | 523 | 7606 |
Preci | PG | 15 | 724 | 8330 |
Cascia | PG | 16 | 3217 | 11547 |
Montemonaco | AP | 16 | 604 | 12151 |
Visso | MC | 17 | 1107 | 13258 |
Ussita | MC | 17 | 444 | 13702 |
Acquasanta Terme | AP | 19 | 2916 | 16618 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-04-16 19:31:10 |
42.7987 | 13.1822 | 12 | 2023-04-16 19:40:38 |
Sala Sismica INGV-Roma | 116440881 |
Field | Value |
---|---|
Time (UTC) | 2023-04-16 19:31:10 ± 0.05 |
Latitude | 42.7987 ± 0.0027 |
Longitude | 13.1822 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116440881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 440 |
Semi-minor axis of confidence ellipse (meter) | 12 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 119 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.06115 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29318 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 116440881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-16 19:40:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2023-04-16T19:31:21.67 | 0.3 | undecidable | manual | S | 3 | 32.5452 | 93 | 0.26 | 69 |
IV.CESI.HHZ. | 2023-04-16T19:31:21.29 | 0.3 | undecidable | manual | S | 316 | 32.1456 | 93 | 0 | 72 |
IV.RM33.EHZ. | 2023-04-16T19:31:21.20 | 0.3 | undecidable | manual | S | 175 | 32.2455 | 93 | -0.12 | 71 |
IV.GAVE.EHN. | 2023-04-16T19:31:19.57 | 0.3 | undecidable | manual | S | 243 | 26.2515 | 94 | -0.16 | 71 |
IV.FDMO.HHN. | 2023-04-16T19:31:19.91 | 0.3 | undecidable | manual | S | 344 | 27.4503 | 94 | -0.15 | 70 |
IV.LNSS.HHE. | 2023-04-16T19:31:19.09 | 0.3 | undecidable | manual | S | 208 | 24.6531 | 95 | -0.19 | 71 |
IV.SMA1.EHZ. | 2023-04-16T19:31:18.45 | 0.3 | undecidable | manual | S | 146 | 22.4553 | 96 | -0.26 | 70 |
IV.MMO1.EHZ. | 2023-04-16T19:31:17.09 | 0.3 | undecidable | manual | S | 46 | 16.1727 | 104 | 0.02 | 74 |
IV.CESI.HHZ. | 2023-04-16T19:31:16.55 | 0.1 | undecidable | manual | P | 316 | 32.1456 | 93 | -0.08 | 95 |
7F.SIB1.EHE. | 2023-04-16T19:31:16.37 | 0.3 | undecidable | manual | S | 34 | 12.876 | 115 | 0.15 | 73 |
IV.RM33.EHZ. | 2023-04-16T19:31:16.62 | 0.1 | undecidable | manual | P | 175 | 32.2455 | 93 | -0.02 | 96 |
7F.SIB2.EHE. | 2023-04-16T19:31:16.37 | 0.3 | undecidable | manual | S | 44 | 14.2746 | 110 | -0.2 | 71 |
IV.CSP1.EHZ. | 2023-04-16T19:31:16.71 | 0.1 | undecidable | manual | P | 3 | 32.5452 | 93 | 0.02 | 96 |
IV.GAVE.EHN. | 2023-04-16T19:31:16.65 | 0.1 | undecidable | manual | P | 243 | 26.2515 | 94 | 0.93 | 74 |
IT.MTCL.HGE. | 2023-04-16T19:31:15.62 | 0.1 | undecidable | manual | P | 326 | 26.2515 | 94 | -0.1 | 95 |
IV.LNSS.HHE. | 2023-04-16T19:31:15.38 | 0.1 | undecidable | manual | P | 208 | 24.6531 | 95 | -0.08 | 96 |
7F.SIB3.EHE. | 2023-04-16T19:31:15.62 | 0.3 | undecidable | manual | S | 40 | 11.0778 | 122 | -0.19 | 72 |
IV.SMA1.EHZ. | 2023-04-16T19:31:15.26 | 0.1 | undecidable | manual | P | 146 | 22.4553 | 96 | 0.12 | 96 |
IV.FDMO.HHN. | 2023-04-16T19:31:15.78 | 0.1 | undecidable | manual | P | 344 | 27.4503 | 94 | -0.13 | 94 |
IV.MMO1.EHZ. | 2023-04-16T19:31:14.29 | 0.1 | undecidable | manual | P | 46 | 16.1727 | 104 | 0.1 | 98 |
IV.NRCA.HHZ. | 2023-04-16T19:31:14.64 | 0.3 | undecidable | manual | S | 305 | 6.7932 | 142 | -0.31 | 72 |
7F.SIB3.EHE. | 2023-04-16T19:31:13.46 | 0.1 | undecidable | manual | P | 40 | 11.0778 | 122 | 0 | 100 |
7F.SIB1.EHE. | 2023-04-16T19:31:13.86 | 0.1 | undecidable | manual | P | 34 | 12.876 | 115 | 0.16 | 97 |
7F.SIB2.EHE. | 2023-04-16T19:31:13.86 | 0.1 | undecidable | manual | P | 44 | 14.2746 | 110 | -0.04 | 98 |
IV.NRCA.HHZ. | 2023-04-16T19:31:12.99 | 0.1 | undecidable | manual | P | 305 | 6.7932 | 142 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.0002985 | 1.04 | AML | other | m | 2023-04-16T19:31:15.32 |
IV.NRCA.HHN. | ML:1.4 | 0.0002965 | 0.14 | AML | other | m | 2023-04-16T19:31:15.33 |
IV.MMO1.EHE. | ML:0.7 | 0.0000447057 | 0.1408 | AML | other | m | 2023-04-16T19:31:17.27 |
IV.MMO1.EHN. | ML:0.7 | 0.000041380909999999996 | 0.4224 | AML | other | m | 2023-04-16T19:31:17.17 |
IV.SMA1.EHE. | ML:0.8 | 0.0000337171 | 0.384 | AML | other | m | 2023-04-16T19:31:18.72 |
IV.SMA1.EHN. | ML:0.8 | 0.00004137381715 | 0.1664 | AML | other | m | 2023-04-16T19:31:18.66 |
IV.RM33.EHE. | ML:0.4 | 0.000012484125000000001 | 0.1152 | AML | other | m | 2023-04-16T19:31:21.52 |
IV.RM33.EHN. | ML:0.7 | 0.000020554494999999994 | 0.7808 | AML | other | m | 2023-04-16T19:31:21.59 |