A magnitude ML 0.4 earthquake occured in region: 3 km NE Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6450, 13.3150 at 9 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 |
---|---|---|---|---|
Amatrice | RI | 3 | 2657 | 2657 |
Accumoli | RI | 8 | 667 | 3324 |
Campotosto | AQ | 11 | 542 | 3866 |
Cittareale | RI | 13 | 482 | 4348 |
Capitignano | AQ | 14 | 665 | 5013 |
Arquata del Tronto | AP | 14 | 1178 | 6191 |
Montereale | AQ | 15 | 2581 | 8772 |
Acquasanta Terme | AP | 16 | 2916 | 11688 |
Cortino | TE | 16 | 656 | 12344 |
Crognaleto | TE | 17 | 1297 | 13641 |
Rocca Santa Maria | TE | 18 | 537 | 14178 |
Valle Castellana | TE | 18 | 977 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-07-11 02:58:15 |
42.645 | 13.3147 | 9 | 2023-07-11 03:09:39 |
Sala Sismica INGV-Roma | 119155351 |
Field | Value |
---|---|
Time (UTC) | 2023-07-11 02:58:15 ± 0.14 |
Latitude | 42.6450 ± 0.0054 |
Longitude | 13.3147 ± 0.0061 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119155351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 503 |
Semi-minor axis of confidence ellipse (meter) | 388 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 330 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.02068 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25451 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 119155351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-11 03:09:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2023-07-11T02:58:24.09 | 0.3 | undecidable | manual | S | 96 | 23.754 | 112 | -0.13 | 71 |
IV.RM33.EHZ. | 2023-07-11T02:58:22.07 | 0.3 | undecidable | manual | S | 208 | 17.1717 | 119 | -0.08 | 73 |
IV.MMO1.EHZ. | 2023-07-11T02:58:21.34 | 1.0 | negative | manual | P | 2 | 28.2495 | 108 | 0.02 | 24 |
IV.NRCA.HHZ. | 2023-07-11T02:58:20.83 | 0.6 | undecidable | manual | P | 322 | 26.5512 | 110 | -0.17 | 47 |
IV.TERO.HHZ. | 2023-07-11T02:58:20.59 | 0.6 | negative | manual | P | 96 | 23.754 | 112 | 0.12 | 48 |
IV.RM33.EHZ. | 2023-07-11T02:58:19.35 | 1.0 | positive | manual | P | 208 | 17.1717 | 119 | 0.07 | 24 |
IV.SMA1.EHZ. | 2023-07-11T02:58:18.66 | 0.1 | undecidable | manual | S | 133 | 2.2977 | 166 | -0.06 | 100 |
IV.SMA1.EHZ. | 2023-07-11T02:58:17.52 | 0.1 | undecidable | manual | P | 133 | 2.2977 | 166 | 0.22 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:0.4 | 0.0000203 | 0.32 | AML | other | m | 2023-07-11T02:58:22.26 |
IV.RM33.EHE. | ML:0.2 | 0.000012750000000000002 | 0.68 | AML | other | m | 2023-07-11T02:58:22.33 |
IV.TERO.HHN. | ML:0.5 | 0.00002105 | 0.6 | AML | other | m | 2023-07-11T02:58:24.61 |
IV.TERO.HHE. | ML:0.4 | 0.0000143 | 1.28 | AML | other | m | 2023-07-11T02:58:24.98 |
IV.NRCA.HHN. | ML:0.2 | 0.000011525 | 1.92 | AML | other | m | 2023-07-11T02:58:25.98 |
IV.NRCA.HHE. | ML:0.4 | 0.000016250000000000002 | 1.44 | AML | other | m | 2023-07-11T02:58:25.21 |