A magnitude ML 0.7 earthquake occured in region: 3 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7800, 13.2560 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 | 3 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Norcia | PG | 13 | 4957 | 10241 |
Montemonaco | AP | 15 | 604 | 10845 |
Castelsantangelo sul Nera | MC | 15 | 281 | 11126 |
Amatrice | RI | 17 | 2657 | 13783 |
Montefortino | FM | 20 | 1178 | 14961 |
Cittareale | RI | 20 | 482 | 15443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-02-20 07:08:21 |
42.7798 | 13.2565 | 11 | 2023-02-20 07:18:27 |
Sala Sismica INGV-Roma | 114617301 |
Field | Value |
---|---|
Time (UTC) | 2023-02-20 07:08:21 ± 0.07 |
Latitude | 42.7798 ± 0.0036 |
Longitude | 13.2565 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114617301 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 473 |
Semi-minor axis of confidence ellipse (meter) | 373 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 70 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
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) | 0.34174 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 114617301 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-20 07:18:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VVLD.HHZ. | 2023-02-20T07:08:50.51 | 3.0 | undecidable | manual | S | -0.14 | 0 | |||
IV.FRON.EHZ. | 2023-02-20T07:08:39.99 | 3.0 | undecidable | manual | P | 1.54 | 0 | |||
IV.CESI.HHZ. | 2023-02-20T07:08:34.44 | 0.3 | undecidable | manual | S | 311 | 37.9287 | 50 | 0.09 | 71 |
IV.FDMO.HHZ. | 2023-02-20T07:08:32.52 | 0.3 | undecidable | manual | S | 334 | 31.6461 | 50 | -0.14 | 71 |
IV.RM33.HNZ. | 2023-02-20T07:08:32.35 | 0.6 | undecidable | manual | S | 187 | 30.2475 | 50 | 0.05 | 48 |
IV.LNSS.HHZ. | 2023-02-20T07:08:31.42 | 0.6 | undecidable | manual | S | 222 | 26.3514 | 50 | 0.15 | 48 |
IV.CESI.HHZ. | 2023-02-20T07:08:28.93 | 0.1 | undecidable | manual | P | 311 | 37.9287 | 50 | -0.08 | 95 |
IV.MC2.EHZ. | 2023-02-20T07:08:28.82 | 0.3 | undecidable | manual | S | 339 | 15.5733 | 125 | 0.53 | 67 |
IV.TERO.HNN. | 2023-02-20T07:08:28.16 | 0.6 | undecidable | manual | P | 121 | 33.2445 | 50 | -0.13 | 47 |
IV.MMO1.EHZ. | 2023-02-20T07:08:27.81 | 0.3 | undecidable | manual | S | 23 | 14.4744 | 127 | -0.16 | 73 |
IV.LNSS.HHZ. | 2023-02-20T07:08:27.16 | 0.1 | undecidable | manual | P | 222 | 26.3514 | 50 | -0.07 | 97 |
IV.NRCA.HHZ. | 2023-02-20T07:08:27.40 | 0.3 | undecidable | manual | S | 297 | 12.9759 | 130 | -0.18 | 73 |
IV.FDMO.HHZ. | 2023-02-20T07:08:27.82 | 0.3 | undecidable | manual | P | 334 | 31.6461 | 50 | -0.21 | 70 |
IV.MF5.EHZ. | 2023-02-20T07:08:27.84 | 0.3 | undecidable | manual | P | 36 | 28.3494 | 50 | 0.31 | 69 |
IV.RM33.HNZ. | 2023-02-20T07:08:27.96 | 0.6 | undecidable | manual | P | 187 | 30.2475 | 50 | 0.14 | 47 |
IV.MMO1.EHZ. | 2023-02-20T07:08:25.14 | 0.3 | undecidable | manual | P | 23 | 14.4744 | 127 | -0.18 | 73 |
IV.NRCA.HHZ. | 2023-02-20T07:08:25.07 | 0.1 | undecidable | manual | P | 297 | 12.9759 | 130 | -0.03 | 100 |
IV.MC2.EHZ. | 2023-02-20T07:08:25.56 | 0.3 | undecidable | manual | P | 339 | 15.5733 | 125 | 0.05 | 74 |
IV.MTRA.HNE. | 2023-02-20T07:08:24.98 | 1.0 | undecidable | manual | P | 103 | 11.6772 | 133 | 0.08 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00016350000000000002 | 0.46 | AML | other | m | 2023-02-20T07:08:27.48 |
IV.NRCA.HHE. | ML:1.1 | 0.00013350000000000002 | 0.1 | AML | other | m | 2023-02-20T07:08:27.78 |
IV.MMO1.EHE. | ML:1.0 | 0.000092793995 | 0.0992 | AML | other | m | 2023-02-20T07:08:27.87 |
IV.MMO1.EHN. | ML:0.7 | 0.000045253635 | 0.08 | AML | other | m | 2023-02-20T07:08:28.21 |
IV.MC2.EHN. | ML:0.9 | 0.000070011165 | 0.16 | AML | other | m | 2023-02-20T07:08:28.91 |
IV.LNSS.HHE. | ML:0.4 | 0.00001545096 | 0.1376 | AML | other | m | 2023-02-20T07:08:32.87 |
IV.LNSS.HHN. | ML:0.4 | 0.00001595559 | 0.2208 | AML | other | m | 2023-02-20T07:08:31.68 |
IV.FDMO.HHE. | ML:0.5 | 0.000014908203500000002 | 1.6192 | AML | other | m | 2023-02-20T07:08:33.91 |
IV.FDMO.HHN. | ML:0.5 | 0.000013652805000000001 | 3.5008 | AML | other | m | 2023-02-20T07:08:33.36 |
IV.CESI.HHE. | ML:0.6 | 0.00001323098 | 0.16 | AML | other | m | 2023-02-20T07:08:34.56 |
IV.CESI.HHN. | ML:0.8 | 0.000024233305 | 0.2016 | AML | other | m | 2023-02-20T07:08:34.95 |