A magnitude ML 0.4 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7510, 13.2670 at 1 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 4 | 1178 | 1178 |
Accumoli | RI | 6 | 667 | 1845 |
Montegallo | AP | 12 | 523 | 2368 |
Acquasanta Terme | AP | 12 | 2916 | 5284 |
Amatrice | RI | 14 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Montemonaco | AP | 17 | 604 | 13984 |
Castelsantangelo sul Nera | MC | 19 | 281 | 14265 |
Valle Castellana | TE | 19 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2024-07-18 02:20:10 |
42.7508 | 13.2667 | 1 | 2024-07-18 02:24:59 |
Sala Sismica INGV-Roma | 129973141 |
Field | Value |
---|---|
Time (UTC) | 2024-07-18 02:20:10 ± 0.2 |
Latitude | 42.7508 ± 0.0099 |
Longitude | 13.2667 ± 0.0159 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 129973141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1450 |
Semi-minor axis of confidence ellipse (meter) | 790 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27879 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 129973141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-07-18 02:24:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2024-07-18T02:20:26.17 | 3.0 | undecidable | manual | S | -1.7 | 0 | |||
IV.TERO.HHZ. | 2024-07-18T02:20:20.37 | 0.6 | undecidable | manual | S | 117 | 30.9468 | 91 | -0.71 | 56 |
IV.RM33.EHZ. | 2024-07-18T02:20:19.30 | 3.0 | undecidable | manual | S | 0 | ||||
IV.TERO.HHZ. | 2024-07-18T02:20:16.15 | 1.0 | undecidable | manual | P | 117 | 30.9468 | 91 | -0.39 | 31 |
IV.RM33.HNZ. | 2024-07-18T02:20:16.58 | 3.0 | undecidable | manual | P | 1.14 | 0 | |||
IV.MMO1.EHZ. | 2024-07-18T02:20:16.78 | 0.6 | undecidable | manual | S | 17 | 17.1717 | 92 | 0.48 | 62 |
IV.NRCA.HHZ. | 2024-07-18T02:20:15.56 | 0.6 | undecidable | manual | S | 306 | 15.4734 | 92 | -0.14 | 67 |
IV.SMA1.EHZ. | 2024-07-18T02:20:15.96 | 0.6 | undecidable | manual | S | 157 | 14.4744 | 92 | 0.59 | 60 |
IV.SMA1.EHZ. | 2024-07-18T02:20:13.42 | 0.6 | negative | manual | P | 157 | 14.4744 | 92 | 0.18 | 67 |
IV.MMO1.EHZ. | 2024-07-18T02:20:13.81 | 0.6 | undecidable | manual | P | 17 | 17.1717 | 92 | 0.03 | 69 |
IV.NRCA.HHZ. | 2024-07-18T02:20:13.24 | 0.3 | undecidable | manual | P | 306 | 15.4734 | 92 | -0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.3 | 0.00002395 | 0.1 | AML | other | m | 2024-07-18T02:20:15.67 |
IV.NRCA.HHE. | ML:0.5 | 0.0000339 | 0.1 | AML | other | m | 2024-07-18T02:20:15.66 |
IV.RM33.EHN. | ML:0.2 | 0.000009785 | 0.86 | AML | other | m | 2024-07-18T02:20:20.73 |
IV.RM33.EHE. | ML:0.4 | 0.00001515 | 0.84 | AML | other | m | 2024-07-18T02:20:20.75 |