A magnitude ML 1.3 earthquake occured in region: 6 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6720, 13.1850 at 13 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 | 6 | 667 | 667 |
Cittareale | RI | 6 | 482 | 1149 |
Amatrice | RI | 10 | 2657 | 3806 |
Arquata del Tronto | AP | 15 | 1178 | 4984 |
Cascia | PG | 15 | 3217 | 8201 |
Norcia | PG | 15 | 4957 | 13158 |
Montereale | AQ | 17 | 2581 | 15739 |
Posta | RI | 18 | 694 | 16433 |
Borbona | RI | 18 | 617 | 17050 |
Monteleone di Spoleto | PG | 19 | 599 | 17649 |
Capitignano | AQ | 19 | 665 | 18314 |
Campotosto | AQ | 20 | 542 | 18856 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2018-02-28 04:18:22 |
42.6718 | 13.185 | 13 | 2018-02-28 04:27:15 |
Sala Sismica INGV-Roma | 54211661 |
Field | Value |
---|---|
Time (UTC) | 2018-02-28 04:18:22 ± 0.09 |
Latitude | 42.6718 ± 0.0036 |
Longitude | 13.1850 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 54211661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 519 |
Semi-minor axis of confidence ellipse (meter) | 70 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 254 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31206 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 54211661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-28 04:27:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CIMA.HNZ. | 2018-02-28T04:18:46.96 | 3.0 | undecidable | manual | S | -1.42 | 0 | |||
IV.TERO.HHZ. | 2018-02-28T04:18:34.09 | 0.3 | undecidable | manual | S | 99 | 34.6431 | 96 | -0.33 | 68 |
IV.MMO1.EHZ. | 2018-02-28T04:18:32.66 | 0.3 | undecidable | manual | S | 25 | 27.75 | 98 | 0.06 | 73 |
IV.MC2.EHZ. | 2018-02-28T04:18:32.79 | 0.3 | undecidable | manual | S | 1 | 26.5512 | 99 | 0.5 | 67 |
IV.NRCA.HHZ. | 2018-02-28T04:18:30.03 | 0.3 | undecidable | manual | S | 342 | 18.87 | 107 | -0.25 | 71 |
IV.RM33.EHZ. | 2018-02-28T04:18:30.06 | 0.1 | undecidable | manual | S | 172 | 18.2706 | 109 | -0.06 | 99 |
IV.MTRA.EHZ. | 2018-02-28T04:18:30.20 | 0.3 | undecidable | manual | S | 61 | 19.6692 | 106 | -0.28 | 70 |
IV.TERO.HHZ. | 2018-02-28T04:18:29.40 | 0.3 | undecidable | manual | P | 99 | 34.6431 | 96 | -0.06 | 72 |
IV.MC2.EHZ. | 2018-02-28T04:18:28.35 | 0.1 | undecidable | manual | P | 1 | 26.5512 | 99 | 0.12 | 96 |
IV.MMO1.EHZ. | 2018-02-28T04:18:28.27 | 0.3 | undecidable | manual | P | 25 | 27.75 | 98 | -0.14 | 71 |
IV.SMA1.EHZ. | 2018-02-28T04:18:28.99 | 0.3 | undecidable | manual | S | 110 | 13.0758 | 122 | 0.11 | 74 |
IV.LNSS.HHZ. | 2018-02-28T04:18:28.99 | 0.3 | undecidable | manual | S | 237 | 14.0748 | 119 | -0.11 | 73 |
IV.MTRA.EHZ. | 2018-02-28T04:18:27.20 | 0.1 | undecidable | manual | P | 61 | 19.6692 | 106 | 0.01 | 99 |
IV.T1214.EHZ. | 2018-02-28T04:18:27.95 | 0.3 | undecidable | manual | S | 11 | 9.879 | 133 | -0.25 | 71 |
IV.T1299.EHZ. | 2018-02-28T04:18:27.93 | 0.3 | undecidable | manual | S | 118 | 8.9799 | 136 | -0.09 | 74 |
IV.NRCA.HHZ. | 2018-02-28T04:18:27.01 | 0.1 | undecidable | manual | P | 342 | 18.87 | 107 | -0.06 | 98 |
IV.RM33.EHZ. | 2018-02-28T04:18:27.06 | 0.1 | undecidable | manual | P | 172 | 18.2706 | 109 | 0.08 | 98 |
IV.SMA1.EHZ. | 2018-02-28T04:18:26.51 | 0.1 | undecidable | manual | P | 110 | 13.0758 | 122 | 0.25 | 96 |
IV.LNSS.HHZ. | 2018-02-28T04:18:26.37 | 0.1 | undecidable | manual | P | 237 | 14.0748 | 119 | -0.02 | 100 |
IV.T1299.EHZ. | 2018-02-28T04:18:26.14 | 0.3 | undecidable | manual | P | 118 | 8.9799 | 136 | 0.37 | 70 |
IV.T1214.EHZ. | 2018-02-28T04:18:25.95 | 0.1 | undecidable | manual | P | 11 | 9.879 | 133 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.3 | 0.00016450000000000001 | 0.28 | AML | other | m | 2018-02-28T04:18:29.33 |
IV.SMA1.EHN. | ML:1.5 | 0.00028349999999999995 | 0.32 | AML | other | m | 2018-02-28T04:18:29.59 |
IV.SMA1.EHE. | ML:1.2 | 0.00015050000000000003 | 0.14 | AML | other | m | 2018-02-28T04:18:29.67 |
IV.LNSS.HHN. | ML:1.2 | 0.0001575 | 1.36 | AML | other | m | 2018-02-28T04:18:29.27 |
IV.NRCA.HHN. | ML:1.1 | 0.00009120000000000001 | 1.16 | AML | other | m | 2018-02-28T04:18:30.09 |
IV.NRCA.HHE. | ML:1.3 | 0.00013700000000000002 | 0.5 | AML | other | m | 2018-02-28T04:18:30.42 |