A magnitude ML 1.0 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7760, 13.2410 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 | 5 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 11 | 523 | 2368 |
Norcia | PG | 12 | 4957 | 7325 |
Acquasanta Terme | AP | 14 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10522 |
Montemonaco | AP | 16 | 604 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Cittareale | RI | 19 | 482 | 14265 |
Cascia | PG | 20 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-12-26 05:37:26 |
42.7762 | 13.2412 | 11 | 2020-12-26 06:24:05 |
Sala Sismica INGV-Roma | 85722341 |
Field | Value |
---|---|
Time (UTC) | 2020-12-26 05:37:26 ± 0.05 |
Latitude | 42.7762 ± 0.0027 |
Longitude | 13.2412 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85722341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 380 |
Semi-minor axis of confidence ellipse (meter) | 250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 82 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.10882 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31656 |
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 | 85722341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-26 06:24:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-12-26T05:37:38.77 | 0.6 | undecidable | manual | S | 355 | 35.1426 | 90 | 0.01 | 49 |
IV.LNSS.HNE. | 2020-12-26T05:37:36.04 | 0.6 | undecidable | manual | S | 220 | 25.2525 | 90 | -0.08 | 50 |
IV.SMA1.EHZ. | 2020-12-26T05:37:33.74 | 0.6 | undecidable | manual | S | 155 | 17.871 | 90 | -0.41 | 46 |
IV.MMO1.EHZ. | 2020-12-26T05:37:33.42 | 0.6 | undecidable | manual | S | 27 | 15.3735 | 90 | -0.05 | 50 |
IV.T1299.EHN. | 2020-12-26T05:37:33.98 | 0.3 | undecidable | manual | S | 168 | 16.0728 | 90 | 0.31 | 71 |
IV.CSP1.EHZ. | 2020-12-26T05:37:33.56 | 1.0 | negative | manual | P | 355 | 35.1426 | 90 | -0.19 | 23 |
IV.MC2.EHZ. | 2020-12-26T05:37:33.69 | 0.6 | undecidable | manual | S | 344 | 15.5733 | 90 | 0.15 | 50 |
IV.NRCA.HHZ. | 2020-12-26T05:37:32.53 | 0.3 | undecidable | manual | S | 302 | 12.0768 | 107 | -0.09 | 75 |
IV.LNSS.HNE. | 2020-12-26T05:37:32.17 | 0.1 | undecidable | manual | P | 220 | 25.2525 | 90 | -0.06 | 99 |
IV.MTRA.EHZ. | 2020-12-26T05:37:32.79 | 0.6 | undecidable | manual | S | 100 | 12.876 | 101 | -0.02 | 50 |
IV.SMA1.EHZ. | 2020-12-26T05:37:31.12 | 0.6 | negative | manual | P | 155 | 17.871 | 90 | 0.02 | 50 |
IV.MC2.EHZ. | 2020-12-26T05:37:30.90 | 1.0 | undecidable | manual | P | 344 | 15.5733 | 90 | 0.16 | 25 |
IV.NRCA.HHZ. | 2020-12-26T05:37:30.24 | 0.3 | undecidable | manual | P | 302 | 12.0768 | 107 | 0.03 | 76 |
IV.MTRA.EHZ. | 2020-12-26T05:37:30.34 | 1.0 | undecidable | manual | P | 100 | 12.876 | 101 | 0.02 | 25 |
IV.MMO1.EHZ. | 2020-12-26T05:37:30.67 | 0.1 | undecidable | manual | P | 27 | 15.3735 | 90 | -0.03 | 100 |
IV.T1299.EHN. | 2020-12-26T05:37:30.98 | 0.1 | undecidable | manual | P | 168 | 16.0728 | 90 | 0.16 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00011599999999999999 | 0.84 | AML | other | m | 2020-12-26T05:37:32.75 |
IV.NRCA.HHN. | ML:1.0 | 0.00009445 | 0.46 | AML | other | m | 2020-12-26T05:37:32.67 |