A magnitude ML 1.1 earthquake occured in region: 4 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7920, 13.2560 at 10 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 |
Montegallo | AP | 9 | 523 | 1701 |
Accumoli | RI | 11 | 667 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Norcia | PG | 13 | 4957 | 10241 |
Montemonaco | AP | 13 | 604 | 10845 |
Castelsantangelo sul Nera | MC | 14 | 281 | 11126 |
Amatrice | RI | 18 | 2657 | 13783 |
Montefortino | FM | 18 | 1178 | 14961 |
Ussita | MC | 20 | 444 | 15405 |
Roccafluvione | AP | 20 | 2010 | 17415 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-06-25 10:19:02 |
42.7918 | 13.2563 | 10 | 2021-06-25 10:23:38 |
Sala Sismica INGV-Roma | 91868741 |
Field | Value |
---|---|
Time (UTC) | 2021-06-25 10:19:02 ± 0.07 |
Latitude | 42.7918 ± 0.0036 |
Longitude | 13.2563 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 91868741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 423 |
Semi-minor axis of confidence ellipse (meter) | 347 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 18 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
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) | 0.10882 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33455 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 91868741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-25 10:23:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-06-25T10:19:14.57 | 0.1 | undecidable | manual | S | 310 | 37.1295 | 50 | -0.21 | 93 |
IV.CSP1.EHZ. | 2021-06-25T10:19:13.59 | 0.3 | undecidable | manual | S | 353 | 33.5442 | 50 | -0.24 | 70 |
IV.GAVE.EHZ. | 2021-06-25T10:19:13.38 | 0.3 | undecidable | manual | S | 250 | 31.5462 | 50 | 0.09 | 72 |
IV.TERO.HHZ. | 2021-06-25T10:19:13.58 | 0.3 | undecidable | manual | S | 123 | 33.9438 | 50 | -0.36 | 68 |
IV.LNSS.HNE. | 2021-06-25T10:19:12.26 | 0.3 | undecidable | manual | S | 220 | 27.3504 | 50 | 0.08 | 73 |
IV.MF5.EHZ. | 2021-06-25T10:19:12.93 | 0.3 | undecidable | manual | S | 37 | 27.3504 | 50 | 0.77 | 60 |
IV.TERO.HHZ. | 2021-06-25T10:19:09.15 | 0.6 | undecidable | manual | P | 123 | 33.9438 | 50 | 0.15 | 47 |
IV.CESI.HHZ. | 2021-06-25T10:19:09.31 | 0.6 | positive | manual | P | 310 | 37.1295 | 50 | -0.17 | 47 |
IV.MF5.EHZ. | 2021-06-25T10:19:08.14 | 0.6 | positive | manual | P | 37 | 27.3504 | 50 | 0.17 | 48 |
IV.CSP1.EHZ. | 2021-06-25T10:19:08.66 | 0.6 | negative | manual | P | 353 | 33.5442 | 50 | -0.27 | 46 |
IV.GAVE.EHZ. | 2021-06-25T10:19:08.71 | 0.6 | negative | manual | P | 250 | 31.5462 | 50 | 0.09 | 48 |
IV.MTRA.EHZ. | 2021-06-25T10:19:07.67 | 0.1 | undecidable | manual | S | 109 | 12.0768 | 131 | -0.07 | 100 |
IV.MMO1.EHZ. | 2021-06-25T10:19:07.89 | 0.3 | undecidable | manual | S | 26 | 13.2756 | 128 | -0.17 | 73 |
IV.LNSS.HNE. | 2021-06-25T10:19:07.97 | 0.1 | undecidable | manual | P | 220 | 27.3504 | 50 | -0.01 | 99 |
IV.NRCA.HHZ. | 2021-06-25T10:19:07.92 | 0.1 | undecidable | manual | S | 292 | 12.4764 | 130 | 0.07 | 100 |
IV.NRCA.HHZ. | 2021-06-25T10:19:05.60 | 0.1 | negative | manual | P | 292 | 12.4764 | 130 | 0.12 | 99 |
IV.MTRA.EHZ. | 2021-06-25T10:19:05.51 | 0.6 | undecidable | manual | P | 109 | 12.0768 | 131 | 0.09 | 50 |
IV.MMO1.EHZ. | 2021-06-25T10:19:05.59 | 0.6 | undecidable | manual | P | 26 | 13.2756 | 128 | -0.01 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.9 | 0.00008355000000000001 | 0.26 | AML | other | m | 2021-06-25T10:19:07.84 |
IV.MTRA.EHE. | ML:0.8 | 0.00006950000000000001 | 1.48 | AML | other | m | 2021-06-25T10:19:08.00 |
IV.NRCA.HHE. | ML:1.3 | 0.00020850000000000003 | 1.9 | AML | other | m | 2021-06-25T10:19:08.02 |
IV.NRCA.HHN. | ML:1.2 | 0.0001895 | 0.4 | AML | other | m | 2021-06-25T10:19:08.31 |
IV.GAVE.EHN. | ML:1.2 | 0.0000817 | 1.86 | AML | other | m | 2021-06-25T10:19:13.00 |
IV.GAVE.EHE. | ML:1.2 | 0.00008185000000000001 | 0.72 | AML | other | m | 2021-06-25T10:19:14.07 |