A magnitude ML 1.0 earthquake occured in region: 4 km N Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7260, 13.2370 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 |
---|---|---|---|---|
Accumoli | RI | 4 | 667 | 667 |
Arquata del Tronto | AP | 7 | 1178 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Cittareale | RI | 14 | 482 | 4984 |
Norcia | PG | 14 | 4957 | 9941 |
Acquasanta Terme | AP | 15 | 2916 | 12857 |
Montegallo | AP | 15 | 523 | 13380 |
Cascia | PG | 18 | 3217 | 16597 |
Castelsantangelo sul Nera | MC | 20 | 281 | 16878 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-05-19 11:50:35 |
42.7265 | 13.2368 | 10 | 2021-05-19 12:01:35 |
Sala Sismica INGV-Roma | 90260931 |
Field | Value |
---|---|
Time (UTC) | 2021-05-19 11:50:35 ± 0.04 |
Latitude | 42.7265 ± 0.0018 |
Longitude | 13.2368 ± 0.0037 |
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 | 90260931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 260 |
Semi-minor axis of confidence ellipse (meter) | 151 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 107 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.12141 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32825 |
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 | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90260931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-19 12:01:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GAVE.EHZ. | 2021-05-19T11:50:45.73 | 0.3 | undecidable | manual | S | 262 | 28.1496 | 50 | -0.09 | 73 |
IV.RM33.EHZ. | 2021-05-19T11:50:44.56 | 0.6 | undecidable | manual | S | 184 | 24.1536 | 113 | -0.15 | 49 |
IV.MMO1.EHZ. | 2021-05-19T11:50:43.51 | 0.3 | undecidable | manual | S | 21 | 20.5683 | 116 | -0.03 | 75 |
IV.LNSS.HHZ. | 2021-05-19T11:50:43.73 | 0.3 | undecidable | manual | S | 230 | 21.0678 | 115 | 0.01 | 75 |
IV.FDMO.HHZ. | 2021-05-19T11:50:42.79 | 0.1 | undecidable | manual | P | 341 | 36.4413 | 50 | 0 | 98 |
IV.NRCA.HHZ. | 2021-05-19T11:50:41.90 | 0.3 | undecidable | manual | S | 320 | 15.4734 | 123 | -0.13 | 74 |
IV.GAVE.EHZ. | 2021-05-19T11:50:41.51 | 0.1 | undecidable | manual | P | 262 | 28.1496 | 50 | 0 | 99 |
IV.RM33.EHZ. | 2021-05-19T11:50:41.03 | 0.3 | undecidable | manual | P | 184 | 24.1536 | 113 | 0.17 | 72 |
IV.MC2.EHZ. | 2021-05-19T11:50:40.37 | 0.3 | undecidable | manual | P | 349 | 20.868 | 116 | 0.11 | 74 |
IV.MMO1.EHZ. | 2021-05-19T11:50:40.29 | 0.3 | undecidable | manual | P | 21 | 20.5683 | 116 | 0.1 | 74 |
IV.LNSS.HHZ. | 2021-05-19T11:50:40.33 | 0.1 | undecidable | manual | P | 230 | 21.0678 | 115 | 0.03 | 100 |
IV.NRCA.HHZ. | 2021-05-19T11:50:39.39 | 0.1 | undecidable | manual | P | 320 | 15.4734 | 123 | 0.07 | 100 |
IV.MTRA.HNN. | 2021-05-19T11:50:38.84 | 0.1 | undecidable | manual | P | 75 | 13.4754 | 127 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00008965000000000001 | 0.16 | AML | other | m | 2021-05-19T11:50:42.14 |
IV.NRCA.HHE. | ML:1.0 | 0.00008286038999999999 | 0.1984 | AML | other | m | 2021-05-19T11:50:43.80 |