A magnitude ML 1.1 earthquake occured in region: 4 km NE Accumoli (RI), on
and geographic coordinates (lat, lon) 42.7290, 13.2670 at 8 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 | 6 | 1178 | 1845 |
Amatrice | RI | 11 | 2657 | 4502 |
Acquasanta Terme | AP | 13 | 2916 | 7418 |
Montegallo | AP | 14 | 523 | 7941 |
Cittareale | RI | 15 | 482 | 8423 |
Norcia | PG | 16 | 4957 | 13380 |
Valle Castellana | TE | 19 | 977 | 14357 |
Montemonaco | AP | 20 | 604 | 14961 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-04-28 21:51:38 |
42.7292 | 13.2672 | 8 | 2020-04-28 21:56:51 |
Sala Sismica INGV-Roma | 78653851 |
Field | Value |
---|---|
Time (UTC) | 2020-04-28 21:51:38 ± 0.25 |
Latitude | 42.7292 ± 0.0045 |
Longitude | 13.2672 ± 0.0086 |
Depth (km) | 8 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78653851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 705 |
Semi-minor axis of confidence ellipse (meter) | 342 |
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) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22303 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78653851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-28 21:56:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIGS.HHZ. | 2020-04-28T21:51:45.79 | 3.0 | undecidable | manual | P | -0.15 | 0 | |||
IV.FDMO.HHZ. | 2020-04-28T21:51:45.75 | 3.0 | undecidable | manual | P | 0.07 | 0 | |||
IV.NRCA.HHZ. | 2020-04-28T21:51:45.33 | 0.6 | undecidable | manual | S | 313 | 16.9719 | 116 | -0.14 | 50 |
IV.TERO.HHZ. | 2020-04-28T21:51:44.21 | 3.0 | positive | manual | P | -0.19 | 0 | |||
IV.MC2.EHZ. | 2020-04-28T21:51:43.98 | 0.6 | undecidable | manual | P | 343 | 21.1677 | 111 | 0.5 | 45 |
IV.MTRA.EHZ. | 2020-04-28T21:51:43.52 | 0.6 | undecidable | manual | S | 74 | 10.9779 | 127 | -0.15 | 50 |
IV.SMA1.EHZ. | 2020-04-28T21:51:43.81 | 0.6 | undecidable | manual | S | 153 | 12.2766 | 124 | -0.23 | 49 |
IV.RM33.EHN. | 2020-04-28T21:51:43.87 | 0.6 | undecidable | manual | P | 190 | 24.753 | 108 | -0.29 | 47 |
IV.T1299.HNZ. | 2020-04-28T21:51:43.89 | 0.6 | undecidable | manual | S | 173 | 10.5783 | 128 | 0.32 | 48 |
IV.NRCA.HHZ. | 2020-04-28T21:51:42.61 | 0.1 | positive | manual | P | 313 | 16.9719 | 116 | -0.09 | 100 |
IV.MMO1.EHZ. | 2020-04-28T21:51:42.96 | 1.0 | negative | manual | P | 14 | 19.4694 | 113 | -0.2 | 24 |
IV.SMA1.EHZ. | 2020-04-28T21:51:41.85 | 0.3 | undecidable | manual | P | 153 | 12.2766 | 124 | -0.02 | 77 |
IV.T1299.HNZ. | 2020-04-28T21:51:41.76 | 0.3 | undecidable | manual | P | 173 | 10.5783 | 128 | 0.15 | 75 |
IV.MTRA.EHZ. | 2020-04-28T21:51:41.76 | 0.3 | undecidable | manual | P | 74 | 10.9779 | 127 | 0.09 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.0 | 0.0001295 | 1.16 | AML | other | m | 2020-04-28T21:51:43.25 |
IV.SMA1.EHN. | ML:1.0 | 0.00013255 | 0.18 | AML | other | m | 2020-04-28T21:51:44.06 |
IV.SMA1.EHE. | ML:1.0 | 0.0001075 | 0.08 | AML | other | m | 2020-04-28T21:51:44.23 |
IV.MTRA.EHE. | ML:1.3 | 0.00029049999999999996 | 0.96 | AML | other | m | 2020-04-28T21:51:44.74 |
IV.NRCA.HHN. | ML:1.2 | 0.000142 | 0.12 | AML | other | m | 2020-04-28T21:51:45.65 |
IV.NRCA.HHE. | ML:1.0 | 0.00009725 | 0.54 | AML | other | m | 2020-04-28T21:51:46.56 |
IV.TERO.HHE. | ML:0.9 | 0.0000419 | 0.34 | AML | other | m | 2020-04-28T21:51:49.62 |
IV.TERO.HHN. | ML:0.9 | 0.00003795 | 0.8 | AML | other | m | 2020-04-28T21:51:49.85 |