A magnitude ML 1.0 earthquake occured in region: 4 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6860, 13.2080 at 14 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 |
Cittareale | RI | 8 | 482 | 1149 |
Amatrice | RI | 9 | 2657 | 3806 |
Arquata del Tronto | AP | 12 | 1178 | 4984 |
Norcia | PG | 15 | 4957 | 9941 |
Cascia | PG | 16 | 3217 | 13158 |
Montereale | AQ | 18 | 2581 | 15739 |
Acquasanta Terme | AP | 19 | 2916 | 18655 |
Campotosto | AQ | 20 | 542 | 19197 |
Capitignano | AQ | 20 | 665 | 19862 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-05-14 14:20:29 |
42.686 | 13.2077 | 15 | 2021-05-14 14:25:14 |
Sala Sismica INGV-Roma | 90093181 |
Field | Value |
---|---|
Time (UTC) | 2021-05-14 14:20:29 ± 0.16 |
Latitude | 42.6860 ± 0.0072 |
Longitude | 13.2077 ± 0.0086 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90093181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 682 |
Semi-minor axis of confidence ellipse (meter) | 383 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 1 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.10882 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29768 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 90093181 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-14 14:25:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-05-14T14:20:40.74 | 0.6 | undecidable | manual | S | 102 | 33.0447 | 100 | -0.32 | 46 |
IV.NRCA.HHZ. | 2021-05-14T14:20:37.06 | 0.3 | undecidable | manual | S | 335 | 18.0708 | 115 | -0.14 | 77 |
IV.RM33.EHZ. | 2021-05-14T14:20:37.63 | 0.3 | undecidable | manual | S | 178 | 19.6692 | 112 | 0.03 | 77 |
IV.MTRA.EHZ. | 2021-05-14T14:20:36.68 | 0.3 | undecidable | manual | S | 63 | 17.2716 | 117 | -0.34 | 72 |
IV.TERO.HHZ. | 2021-05-14T14:20:36.45 | 1.0 | undecidable | manual | P | 102 | 33.0447 | 100 | 0.19 | 25 |
IV.LNSS.HHZ. | 2021-05-14T14:20:36.37 | 0.3 | undecidable | manual | S | 236 | 16.4724 | 118 | -0.46 | 71 |
IV.SMA1.EHZ. | 2021-05-14T14:20:35.84 | 0.3 | undecidable | manual | S | 121 | 12.0768 | 130 | -0.02 | 77 |
IV.RM33.EHZ. | 2021-05-14T14:20:34.36 | 0.6 | undecidable | manual | P | 178 | 19.6692 | 112 | 0.1 | 51 |
IV.LNSS.HHZ. | 2021-05-14T14:20:34.03 | 0.3 | undecidable | manual | P | 236 | 16.4724 | 118 | 0.22 | 74 |
IV.MTRA.EHZ. | 2021-05-14T14:20:34.07 | 0.6 | undecidable | manual | P | 63 | 17.2716 | 117 | 0.15 | 51 |
IV.NRCA.HHZ. | 2021-05-14T14:20:34.18 | 0.1 | negative | manual | P | 335 | 18.0708 | 115 | 0.15 | 100 |
IV.SMA1.EHZ. | 2021-05-14T14:20:33.66 | 0.3 | negative | manual | P | 121 | 12.0768 | 130 | 0.4 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.1 | 0.00011475 | 0.68 | AML | other | m | 2021-05-14T14:20:36.35 |
IV.SMA1.EHN. | ML:0.9 | 0.0000678 | 0.54 | AML | other | m | 2021-05-14T14:20:36.40 |
IV.NRCA.HHE. | ML:1.0 | 0.00007775 | 0.16 | AML | other | m | 2021-05-14T14:20:37.19 |
IV.NRCA.HHN. | ML:1.0 | 0.0000655 | 0.1 | AML | other | m | 2021-05-14T14:20:37.33 |
IV.LNSS.HHE. | ML:1.0 | 0.0000762 | 1.36 | AML | other | m | 2021-05-14T14:20:37.30 |
IV.RM33.EHE. | ML:1.1 | 0.00007795 | 0.98 | AML | other | m | 2021-05-14T14:20:37.91 |
IV.RM33.EHN. | ML:0.9 | 0.000054550000000000005 | 0.12 | AML | other | m | 2021-05-14T14:20:38.27 |
IV.LNSS.HHN. | ML:0.9 | 0.00006175 | 0.42 | AML | other | m | 2021-05-14T14:20:47.17 |