A magnitude ML 0.9 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7690, 13.2270 at 13 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 | 6 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Norcia | PG | 11 | 4957 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Acquasanta Terme | AP | 15 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10522 |
Amatrice | RI | 16 | 2657 | 13179 |
Montemonaco | AP | 17 | 604 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 18 | 3217 | 17482 |
Preci | PG | 20 | 724 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-01-02 01:19:58 |
42.7693 | 13.2267 | 13 | 2021-01-02 02:08:45 |
Sala Sismica INGV-Roma | 85955771 |
Field | Value |
---|---|
Time (UTC) | 2021-01-02 01:19:58 ± 0.11 |
Latitude | 42.7693 ± 0.0045 |
Longitude | 13.2267 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85955771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 555 |
Semi-minor axis of confidence ellipse (meter) | 200 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 45 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32286 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 85955771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-02 02:08:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BARO.EHZ. | 2021-01-02T01:20:20.26 | 3.0 | undecidable | manual | P | 2.7 | 0 | |||
IV.CSP1.EHZ. | 2021-01-02T01:20:10.24 | 0.6 | undecidable | manual | S | 357 | 35.8419 | 95 | -0.17 | 46 |
IV.MF5.EHZ. | 2021-01-02T01:20:09.68 | 0.6 | undecidable | manual | S | 38 | 30.747 | 96 | 0.62 | 42 |
IV.TERO.HHZ. | 2021-01-02T01:20:09.92 | 0.6 | undecidable | manual | S | 118 | 34.8429 | 95 | -0.22 | 46 |
IV.FDMO.HHZ. | 2021-01-02T01:20:09.09 | 0.6 | undecidable | manual | S | 339 | 31.746 | 96 | -0.23 | 46 |
IV.CSP1.EHZ. | 2021-01-02T01:20:05.16 | 0.6 | positive | manual | P | 357 | 35.8419 | 95 | -0.16 | 47 |
IV.MMO1.EHZ. | 2021-01-02T01:20:05.07 | 0.3 | undecidable | manual | S | 29 | 16.5723 | 110 | -0.28 | 70 |
IV.SMA1.EHZ. | 2021-01-02T01:20:05.68 | 0.6 | undecidable | manual | S | 150 | 17.7711 | 107 | 0.03 | 50 |
IV.TERO.HHZ. | 2021-01-02T01:20:05.06 | 1.0 | undecidable | manual | P | 118 | 34.8429 | 95 | -0.11 | 24 |
IV.FDMO.HHZ. | 2021-01-02T01:20:04.53 | 1.0 | undecidable | manual | P | 339 | 31.746 | 96 | -0.16 | 23 |
IV.NRCA.HHZ. | 2021-01-02T01:20:04.20 | 0.3 | undecidable | manual | S | 308 | 11.5773 | 125 | 0.03 | 75 |
IV.MF5.EHZ. | 2021-01-02T01:20:04.83 | 1.0 | positive | manual | P | 38 | 30.747 | 96 | 0.28 | 23 |
IV.SMA1.EHZ. | 2021-01-02T01:20:02.77 | 0.6 | undecidable | manual | P | 150 | 17.7711 | 107 | 0.19 | 48 |
IV.MTRA.EHZ. | 2021-01-02T01:20:02.04 | 0.1 | undecidable | manual | P | 96 | 13.875 | 117 | 0.01 | 100 |
IV.MMO1.EHZ. | 2021-01-02T01:20:02.32 | 0.6 | positive | manual | P | 29 | 16.5723 | 110 | -0.08 | 49 |
IV.NRCA.HHZ. | 2021-01-02T01:20:01.90 | 0.1 | undecidable | manual | P | 308 | 11.5773 | 125 | 0.18 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.9 | 0.0000793 | 0.2 | AML | other | m | 2021-01-02T01:20:04.31 |
IV.NRCA.HHN. | ML:0.9 | 0.00007565 | 0.4 | AML | other | m | 2021-01-02T01:20:04.45 |