A magnitude ML 1.0 earthquake occured in region: 4 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7760, 13.2470 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 4 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Norcia | PG | 13 | 4957 | 7325 |
Acquasanta Terme | AP | 13 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10522 |
Montemonaco | AP | 15 | 604 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2024-02-18 13:02:58 |
42.7758 | 13.2467 | 11 | 2024-02-18 13:12:27 |
Sala Sismica INGV-Roma | 125356071 |
Field | Value |
---|---|
Time (UTC) | 2024-02-18 13:02:58 ± 0.07 |
Latitude | 42.7758 ± 0.0045 |
Longitude | 13.2467 ± 0.0074 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125356071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 528 |
Semi-minor axis of confidence ellipse (meter) | 507 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 321 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
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 | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.11331 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31746 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 125356071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-18 13:12:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2024-02-18T13:03:09.06 | 0.3 | undecidable | manual | S | 120 | 33.744 | 90 | -0.44 | 67 |
IV.CSP1.EHZ. | 2024-02-18T13:03:09.79 | 0.3 | undecidable | manual | S | 354 | 35.2425 | 90 | -0.11 | 70 |
IV.RM33.EHZ. | 2024-02-18T13:03:08.62 | 0.1 | undecidable | manual | S | 185 | 29.748 | 90 | 0.19 | 94 |
IV.LNSS.HHZ. | 2024-02-18T13:03:07.30 | 0.3 | undecidable | manual | S | 221 | 25.5522 | 91 | -0.01 | 74 |
7F.SIB2.EHZ. | 2024-02-18T13:03:04.13 | 0.1 | undecidable | manual | S | 20 | 13.5753 | 100 | -0.01 | 100 |
IV.RM33.EHZ. | 2024-02-18T13:03:04.02 | 0.1 | undecidable | manual | P | 185 | 29.748 | 90 | -0.02 | 98 |
IV.TERO.HHZ. | 2024-02-18T13:03:04.58 | 0.3 | undecidable | manual | P | 120 | 33.744 | 90 | -0.08 | 72 |
IV.CSP1.EHZ. | 2024-02-18T13:03:04.87 | 0.1 | undecidable | manual | P | 354 | 35.2425 | 90 | -0.02 | 96 |
IV.MC2.EHZ. | 2024-02-18T13:03:04.97 | 0.3 | undecidable | manual | S | 343 | 15.7731 | 93 | 0.26 | 71 |
IV.LNSS.HHZ. | 2024-02-18T13:03:03.44 | 0.3 | undecidable | manual | P | 221 | 25.5522 | 91 | 0.05 | 73 |
IV.NRCA.HHZ. | 2024-02-18T13:03:03.38 | 0.1 | undecidable | manual | S | 301 | 12.5763 | 107 | -0.48 | 93 |
IV.MC2.EHZ. | 2024-02-18T13:03:02.06 | 0.1 | undecidable | manual | P | 343 | 15.7731 | 93 | 0.17 | 97 |
IV.NRCA.HHZ. | 2024-02-18T13:03:01.48 | 0.3 | undecidable | manual | P | 301 | 12.5763 | 107 | 0.08 | 74 |
7F.SIB2.EHZ. | 2024-02-18T13:03:01.62 | 0.1 | undecidable | manual | P | 20 | 13.5753 | 100 | 0.06 | 99 |
7F.SIB1.HNZ. | 2024-02-18T13:03:01.73 | 0.1 | undecidable | manual | P | 8 | 13.2756 | 102 | 0.21 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.9 | 0.0000842 | 0.14 | AML | other | m | 2024-02-18T13:03:03.79 |
IV.NRCA.HHN. | ML:1.0 | 0.00010395 | 0.14 | AML | other | m | 2024-02-18T13:03:03.95 |