A magnitude ML 1.0 earthquake occured in region: 4 km S Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7390, 13.2860 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 4 | 1178 | 1178 |
Accumoli | RI | 6 | 667 | 1845 |
Acquasanta Terme | AP | 11 | 2916 | 4761 |
Amatrice | RI | 12 | 2657 | 7418 |
Montegallo | AP | 12 | 523 | 7941 |
Norcia | PG | 17 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Valle Castellana | TE | 17 | 977 | 14357 |
Montemonaco | AP | 18 | 604 | 14961 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2019-02-26 00:34:27 |
42.7387 | 13.286 | 12 | 2019-02-26 02:16:28 |
Sala Sismica INGV-Roma | 65971641 |
Field | Value |
---|---|
Time (UTC) | 2019-02-26 00:34:27 ± 0.05 |
Latitude | 42.7387 ± 0.0036 |
Longitude | 13.2860 ± 0.0086 |
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 | 65971641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 610 |
Semi-minor axis of confidence ellipse (meter) | 369 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 103 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.08274 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26080 |
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 | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 65971641 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-02-26 02:16:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2019-02-26T00:34:37.02 | 0.6 | undecidable | manual | S | 193 | 26.1516 | 93 | 0.18 | 48 |
IV.TERO.HHZ. | 2019-02-26T00:34:37.31 | 0.6 | undecidable | manual | S | 116 | 28.9488 | 92 | -0.27 | 46 |
IV.LNSS.HHZ. | 2019-02-26T00:34:36.48 | 0.6 | undecidable | manual | S | 233 | 25.0527 | 93 | -0.07 | 48 |
IV.MMO1.EHZ. | 2019-02-26T00:34:34.59 | 0.6 | undecidable | manual | S | 11 | 18.1707 | 98 | -0.11 | 49 |
IV.TERO.HHZ. | 2019-02-26T00:34:33.43 | 0.1 | undecidable | manual | P | 116 | 28.9488 | 92 | 0.15 | 96 |
IV.RM33.EHZ. | 2019-02-26T00:34:32.79 | 0.1 | undecidable | manual | P | 193 | 26.1516 | 93 | -0.06 | 96 |
IV.MTRA.EHZ. | 2019-02-26T00:34:32.40 | 0.6 | undecidable | manual | S | 77 | 9.1797 | 128 | -0.11 | 50 |
IV.LNSS.HHZ. | 2019-02-26T00:34:32.61 | 0.1 | undecidable | manual | P | 233 | 25.0527 | 93 | -0.07 | 96 |
IV.MMO1.EHZ. | 2019-02-26T00:34:31.63 | 0.1 | undecidable | manual | P | 11 | 18.1707 | 98 | 0.01 | 100 |
IV.MTRA.EHZ. | 2019-02-26T00:34:30.46 | 0.1 | undecidable | manual | P | 77 | 9.1797 | 128 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.9 | 0.00008754999999999999 | 1.02 | AML | other | m | 2019-02-26T00:34:32.59 |
IV.MTRA.EHE. | ML:1.1 | 0.0001465 | 0.46 | AML | other | m | 2019-02-26T00:34:32.79 |