A magnitude ML 1.1 earthquake occured in region: 4 km NW Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7230, 13.2140 at 7 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 | 9 | 1178 | 1845 |
Amatrice | RI | 12 | 2657 | 4502 |
Cittareale | RI | 12 | 482 | 4984 |
Norcia | PG | 13 | 4957 | 9941 |
Cascia | PG | 16 | 3217 | 13158 |
Montegallo | AP | 17 | 523 | 13681 |
Acquasanta Terme | AP | 17 | 2916 | 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 1.1 | 2019-04-27 00:43:30 |
42.7227 | 13.2145 | 7 | 2019-04-27 00:48:13 |
Sala Sismica INGV-Roma | 68000411 |
Field | Value |
---|---|
Time (UTC) | 2019-04-27 00:43:30 ± 0.14 |
Latitude | 42.7227 ± 0.0018 |
Longitude | 13.2145 ± 0.0037 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 68000411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 309 |
Semi-minor axis of confidence ellipse (meter) | 95 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 238 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.12770 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61154 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 68000411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-27 00:48:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2019-04-27T00:43:39.06 | 0.6 | undecidable | manual | S | 180 | 23.6541 | 107 | -0.14 | 48 |
IV.MTRA.EHZ. | 2019-04-27T00:43:36.42 | 0.6 | undecidable | manual | S | 76 | 15.2736 | 115 | -0.05 | 50 |
IV.SMA1.EHZ. | 2019-04-27T00:43:36.25 | 0.6 | undecidable | manual | S | 136 | 14.1747 | 116 | 0.13 | 49 |
IV.NRCA.HHZ. | 2019-04-27T00:43:36.28 | 0.6 | undecidable | manual | S | 326 | 14.7741 | 115 | -0.02 | 50 |
IV.RM33.EHZ. | 2019-04-27T00:43:35.77 | 1.0 | undecidable | manual | P | 180 | 23.6541 | 107 | 0.19 | 24 |
IV.EL6.EHZ. | 2019-04-27T00:43:35.37 | 3.0 | undecidable | manual | P | 67.8765 | -7.66 | 0 | ||
IV.NRCA.HHZ. | 2019-04-27T00:43:33.93 | 0.1 | positive | manual | P | 326 | 14.7741 | 115 | 0.03 | 100 |
IV.MTRA.EHZ. | 2019-04-27T00:43:33.97 | 0.3 | undecidable | manual | P | 76 | 15.2736 | 115 | -0.03 | 75 |
IV.SMA1.EHZ. | 2019-04-27T00:43:33.79 | 0.1 | undecidable | manual | P | 136 | 14.1747 | 116 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.000189 | 0.08 | AML | other | m | 2019-04-27T00:43:36.48 |
IV.NRCA.HHN. | ML:0.9 | 0.00007869999999999999 | 0.86 | AML | other | m | 2019-04-27T00:43:37.51 |