A magnitude ML 1.0 earthquake occured in region: 2 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7740, 13.2730 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 | 2 | 1178 | 1178 |
Accumoli | RI | 9 | 667 | 1845 |
Montegallo | AP | 9 | 523 | 2368 |
Acquasanta Terme | AP | 11 | 2916 | 5284 |
Montemonaco | AP | 15 | 604 | 5888 |
Norcia | PG | 15 | 4957 | 10845 |
Amatrice | RI | 16 | 2657 | 13502 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13783 |
Valle Castellana | TE | 19 | 977 | 14760 |
Roccafluvione | AP | 19 | 2010 | 16770 |
Cittareale | RI | 20 | 482 | 17252 |
Montefortino | FM | 20 | 1178 | 18430 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2022-04-18 19:57:30 |
42.7742 | 13.2728 | 11 | 2022-04-18 20:04:35 |
Sala Sismica INGV-Roma | 103447211 |
Field | Value |
---|---|
Time (UTC) | 2022-04-18 19:57:30 ± 0.09 |
Latitude | 42.7742 ± 0.0036 |
Longitude | 13.2728 ± 0.0086 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 103447211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 700 |
Semi-minor axis of confidence ellipse (meter) | 350 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 156 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 11 |
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) | 0.26890 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 103447211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-18 20:04:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RESU.HHZ. | 2022-04-18T19:59:01.50 | 3.0 | undecidable | manual | Pg | 17.52 | 0 | |||
IV.TDS.HHZ. | 2022-04-18T19:58:28.58 | 3.0 | undecidable | manual | Pn | 0.12 | 0 | |||
IV.ORI.HHZ. | 2022-04-18T19:58:25.28 | 3.0 | undecidable | manual | Pg | 0.29 | 0 | |||
GE.MATE.HHZ. | 2022-04-18T19:58:21.87 | 3.0 | undecidable | manual | Pn | 0.97 | 0 | |||
IV.MTMR.EHZ. | 2022-04-18T19:58:16.11 | 3.0 | undecidable | manual | Pg | 9.87 | 0 | |||
IV.BARO.EHZ. | 2022-04-18T19:57:57.04 | 3.0 | undecidable | manual | S | 0.09 | 0 | |||
IV.SRES.HHZ. | 2022-04-18T19:57:56.30 | 3.0 | undecidable | manual | S | -0.45 | 0 | |||
IV.IMOL.HNZ. | 2022-04-18T19:57:49.70 | 3.0 | undecidable | manual | S | -0.05 | 0 | |||
IV.RM33.EHZ. | 2022-04-18T19:57:40.69 | 0.1 | undecidable | manual | S | 189 | 29.8479 | 50 | 0.02 | 97 |
IV.LNSS.HHZ. | 2022-04-18T19:57:39.96 | 0.1 | undecidable | manual | S | 225 | 26.8509 | 50 | 0.09 | 97 |
IV.MC2.EHZ. | 2022-04-18T19:57:37.38 | 0.1 | undecidable | manual | S | 336 | 16.6722 | 50 | 0.22 | 96 |
IV.RM33.EHZ. | 2022-04-18T19:57:36.17 | 1.0 | undecidable | manual | P | 189 | 29.8479 | 50 | -0.09 | 24 |
IV.NRCA.HHZ. | 2022-04-18T19:57:36.35 | 0.1 | undecidable | manual | S | 297 | 14.4744 | 50 | -0.22 | 96 |
IV.MMO1.EHZ. | 2022-04-18T19:57:36.62 | 0.1 | undecidable | manual | S | 18 | 14.5743 | 50 | 0.02 | 100 |
IV.LNSS.HHZ. | 2022-04-18T19:57:35.81 | 0.3 | positive | manual | P | 225 | 26.8509 | 50 | 0 | 74 |
IV.MF5.EHZ. | 2022-04-18T19:57:35.07 | 1.0 | positive | manual | P | 33 | 28.1496 | 50 | -0.94 | 18 |
IV.MC2.EHZ. | 2022-04-18T19:57:34.32 | 0.6 | negative | manual | P | 336 | 16.6722 | 50 | 0.08 | 49 |
IV.MMO1.EHZ. | 2022-04-18T19:57:33.98 | 0.6 | undecidable | manual | P | 18 | 14.5743 | 50 | 0.06 | 50 |
IV.NRCA.HHZ. | 2022-04-18T19:57:33.81 | 1.0 | undecidable | manual | P | 297 | 14.4744 | 50 | -0.09 | 25 |
IV.PE3.EHZ. | 2022-04-18T19:57:26.75 | 3.0 | undecidable | manual | S | 0.21 | 0 | |||
IV.NARO.HHZ. | 2022-04-18T19:57:25.26 | 3.0 | undecidable | manual | S | -0.46 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.0001008 | 0.62 | AML | other | m | 2022-04-18T19:57:36.06 |
IV.NRCA.HHN. | ML:1.0 | 0.0001066 | 0.14 | AML | other | m | 2022-04-18T19:57:36.80 |