A magnitude ML 0.9 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7490, 13.2580 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 |
Accumoli | RI | 6 | 667 | 1845 |
Montegallo | AP | 12 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Norcia | PG | 14 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Castelsantangelo sul Nera | MC | 18 | 281 | 14265 |
Valle Castellana | TE | 20 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-05-22 19:02:56 |
42.7488 | 13.2577 | 10 | 2020-05-22 19:40:37 |
Sala Sismica INGV-Roma | 79460071 |
Field | Value |
---|---|
Time (UTC) | 2020-05-22 19:02:56 ± 0.1 |
Latitude | 42.7488 ± 0.0045 |
Longitude | 13.2577 ± 0.0073 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79460071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 667 |
Semi-minor axis of confidence ellipse (meter) | 247 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 241 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28419 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.5 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 79460071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-22 19:40:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ROSPO.HHZ. | 2020-05-22T19:03:40.22 | 3.0 | undecidable | manual | S | -0.09 | 0 | |||
IV.VAGA.HHZ. | 2020-05-22T19:03:26.12 | 3.0 | positive | manual | P | 2.43 | 0 | |||
IV.MF5.EHZ. | 2020-05-22T19:03:07.53 | 0.6 | undecidable | manual | S | 32 | 31.1466 | 50 | 0.42 | 45 |
IV.TERO.HHZ. | 2020-05-22T19:03:06.68 | 0.3 | undecidable | manual | S | 116 | 31.5462 | 50 | -0.52 | 66 |
IV.MC2.EHZ. | 2020-05-22T19:03:03.41 | 0.3 | undecidable | manual | S | 343 | 18.87 | 118 | -0.09 | 74 |
IV.NRCA.HHZ. | 2020-05-22T19:03:02.12 | 0.3 | undecidable | manual | S | 309 | 14.9739 | 124 | -0.22 | 72 |
IV.SMA1.EHZ. | 2020-05-22T19:03:02.18 | 0.3 | undecidable | manual | S | 154 | 14.5743 | 124 | -0.04 | 75 |
IV.TERO.HHZ. | 2020-05-22T19:03:02.38 | 0.1 | undecidable | manual | P | 116 | 31.5462 | 50 | -0.12 | 96 |
IV.MMO1.EHZ. | 2020-05-22T19:03:02.85 | 0.3 | undecidable | manual | S | 19 | 17.5713 | 120 | -0.26 | 72 |
IV.MF5.EHZ. | 2020-05-22T19:03:02.68 | 0.1 | undecidable | manual | P | 32 | 31.1466 | 50 | 0.23 | 94 |
IV.MTRA.EHZ. | 2020-05-22T19:03:01.33 | 0.3 | undecidable | manual | S | 86 | 11.3775 | 131 | 0 | 76 |
IV.MMO1.EHZ. | 2020-05-22T19:03:00.06 | 0.1 | undecidable | manual | P | 19 | 17.5713 | 120 | -0.08 | 99 |
IV.MC2.EHZ. | 2020-05-22T19:03:00.42 | 0.1 | undecidable | manual | P | 343 | 18.87 | 118 | 0.06 | 99 |
IV.MTRA.EHZ. | 2020-05-22T19:02:59.31 | 0.1 | undecidable | manual | P | 86 | 11.3775 | 131 | 0.2 | 98 |
IV.NRCA.HHZ. | 2020-05-22T19:02:59.74 | 0.1 | undecidable | manual | P | 309 | 14.9739 | 124 | 0.05 | 100 |
IV.SMA1.EHZ. | 2020-05-22T19:02:59.85 | 0.1 | undecidable | manual | P | 154 | 14.5743 | 124 | 0.23 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:0.5 | 0.0000382 | 1.3 | AML | other | m | 2020-05-22T19:03:01.67 |
IV.NRCA.HHE. | ML:1.4 | 0.0002155 | 0.32 | AML | other | m | 2020-05-22T19:03:02.22 |
IV.NRCA.HHN. | ML:1.3 | 0.0001735 | 0.1 | AML | other | m | 2020-05-22T19:03:02.27 |
IV.MTRA.EHN. | ML:0.5 | 0.0000406 | 0.68 | AML | other | m | 2020-05-22T19:03:02.93 |