A magnitude ML 0.8 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7840, 13.1510 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 |
Arquata del Tronto | AP | 12 | 1178 | 6135 |
Castelsantangelo sul Nera | MC | 12 | 281 | 6416 |
Accumoli | RI | 13 | 667 | 7083 |
Cascia | PG | 13 | 3217 | 10300 |
Preci | PG | 14 | 724 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Visso | MC | 17 | 1107 | 12654 |
Ussita | MC | 18 | 444 | 13098 |
Cittareale | RI | 18 | 482 | 13580 |
Montemonaco | AP | 19 | 604 | 14184 |
Poggiodomo | PG | 19 | 117 | 14301 |
Cerreto di Spoleto | PG | 20 | 1075 | 15376 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-05-15 10:36:18 |
42.7842 | 13.1513 | 9 | 2023-05-15 10:55:44 |
Sala Sismica INGV-Roma | 117377061 |
Field | Value |
---|---|
Time (UTC) | 2023-05-15 10:36:18 ± 0.07 |
Latitude | 42.7842 ± 0.0036 |
Longitude | 13.1513 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117377061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 332 |
Semi-minor axis of confidence ellipse (meter) | 208 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 101 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.05666 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36962 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 117377061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-15 10:55:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHN. | 2023-05-15T10:36:32.42 | 0.3 | undecidable | manual | S | 116 | 41.0256 | 50 | -0.17 | 69 |
IV.MML1.HNZ. | 2023-05-15T10:36:32.44 | 0.6 | undecidable | manual | S | 338 | 39.3273 | 50 | 0.29 | 45 |
IV.CSP1.EHZ. | 2023-05-15T10:36:30.91 | 0.3 | undecidable | manual | S | 7 | 34.4433 | 50 | 0.08 | 71 |
IV.CESI.HHZ. | 2023-05-15T10:36:29.75 | 0.6 | undecidable | manual | S | 321 | 31.6461 | 105 | -0.22 | 46 |
IV.RM33.HNZ. | 2023-05-15T10:36:29.67 | 0.6 | undecidable | manual | S | 170 | 30.9468 | 105 | -0.07 | 48 |
IV.FDMO.HHZ. | 2023-05-15T10:36:28.70 | 0.3 | undecidable | manual | S | 350 | 28.4493 | 107 | -0.21 | 70 |
IV.GAVE.HNZ. | 2023-05-15T10:36:27.18 | 0.3 | undecidable | manual | S | 244 | 23.2545 | 110 | -0.02 | 74 |
IV.TERO.HHN. | 2023-05-15T10:36:26.44 | 0.1 | undecidable | manual | P | 116 | 41.0256 | 50 | -0.24 | 91 |
IV.MML1.HNZ. | 2023-05-15T10:36:26.52 | 0.1 | undecidable | manual | P | 338 | 39.3273 | 50 | 0.09 | 94 |
IV.MMO1.HNE. | 2023-05-15T10:36:26.12 | 0.3 | undecidable | manual | S | 48 | 19.1697 | 114 | 0.25 | 71 |
IV.CSP1.EHZ. | 2023-05-15T10:36:25.42 | 0.1 | undecidable | manual | P | 7 | 34.4433 | 50 | -0.24 | 92 |
7F.SIB2.EHE. | 2023-05-15T10:36:25.19 | 0.3 | undecidable | manual | S | 46 | 17.1717 | 116 | -0.05 | 74 |
IV.CESI.HHZ. | 2023-05-15T10:36:25.18 | 0.6 | undecidable | manual | P | 321 | 31.6461 | 105 | 0.01 | 48 |
7F.SIB3.EHE. | 2023-05-15T10:36:24.22 | 0.6 | undecidable | manual | S | 44 | 13.9749 | 121 | -0.05 | 50 |
IV.GAVE.HNZ. | 2023-05-15T10:36:24.15 | 0.1 | undecidable | manual | P | 244 | 23.2545 | 110 | 0.58 | 86 |
IV.FDMO.HHZ. | 2023-05-15T10:36:24.46 | 0.1 | undecidable | manual | P | 350 | 28.4493 | 107 | -0.09 | 96 |
IV.RM33.HNZ. | 2023-05-15T10:36:24.88 | 0.1 | undecidable | manual | P | 170 | 30.9468 | 105 | -0.16 | 94 |
IV.MMO1.HNE. | 2023-05-15T10:36:23.02 | 0.1 | undecidable | manual | P | 48 | 19.1697 | 114 | 0.22 | 95 |
7F.SIB3.EHE. | 2023-05-15T10:36:22.00 | 0.1 | undecidable | manual | P | 44 | 13.9749 | 121 | 0.13 | 98 |
7F.SIB2.EHE. | 2023-05-15T10:36:22.69 | 0.1 | undecidable | manual | P | 46 | 17.1717 | 116 | 0.25 | 94 |
IV.NRCA.HNE. | 2023-05-15T10:36:21.61 | 0.6 | undecidable | manual | S | 331 | 6.2937 | 143 | -0.64 | 43 |
IV.NRCA.HNE. | 2023-05-15T10:36:20.64 | 0.1 | undecidable | manual | P | 331 | 6.2937 | 143 | -0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FDMO.HHN. | ML:0.7 | 0.000024299999999999998 | 0.94 | AML | other | m | 2023-05-15T10:36:30.38 |
IV.CESI.HHN. | ML:1.0 | 0.0000455 | 0.28 | AML | other | m | 2023-05-15T10:36:31.19 |
IV.FDMO.HHE. | ML:0.6 | 0.000020900000000000003 | 0.74 | AML | other | m | 2023-05-15T10:36:31.15 |
IV.CESI.HHE. | ML:0.9 | 0.0000334 | 1.28 | AML | other | m | 2023-05-15T10:36:33.68 |