A magnitude ML 1.0 earthquake occured in region: 4 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6860, 13.3000 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 |
Amatrice | RI | 6 | 2657 | 3324 |
Arquata del Tronto | AP | 10 | 1178 | 4502 |
Acquasanta Terme | AP | 13 | 2916 | 7418 |
Cittareale | RI | 14 | 482 | 7900 |
Campotosto | AQ | 15 | 542 | 8442 |
Valle Castellana | TE | 17 | 977 | 9419 |
Montegallo | AP | 18 | 523 | 9942 |
Capitignano | AQ | 18 | 665 | 10607 |
Montereale | AQ | 18 | 2581 | 13188 |
Cortino | TE | 18 | 656 | 13844 |
Rocca Santa Maria | TE | 19 | 537 | 14381 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-04-15 03:04:56 |
42.6858 | 13.3003 | 14 | 2021-04-15 03:09:23 |
Sala Sismica INGV-Roma | 89103801 |
Field | Value |
---|---|
Time (UTC) | 2021-04-15 03:04:56 ± 0.09 |
Latitude | 42.6858 ± 0.0027 |
Longitude | 13.3003 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89103801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 479 |
Semi-minor axis of confidence ellipse (meter) | 69 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 240 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.05306 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41189 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89103801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-15 03:09:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-04-15T03:05:06.15 | 0.3 | undecidable | manual | S | 106 | 25.752 | 101 | -0.15 | 72 |
IV.MC2.EHZ. | 2021-04-15T03:05:06.90 | 0.3 | undecidable | manual | S | 340 | 26.6511 | 100 | 0.37 | 67 |
IV.MMO1.EHZ. | 2021-04-15T03:05:05.76 | 0.3 | undecidable | manual | S | 5 | 23.754 | 102 | -0.03 | 73 |
IV.NRCA.HHZ. | 2021-04-15T03:05:05.00 | 0.3 | undecidable | manual | S | 317 | 22.3554 | 104 | -0.41 | 68 |
IV.CSP1.EHZ. | 2021-04-15T03:05:05.33 | 1.0 | negative | manual | P | 350 | 45.7209 | 94 | -0.06 | 24 |
IV.FDMO.HHZ. | 2021-04-15T03:05:04.75 | 0.6 | negative | manual | P | 336 | 42.5241 | 95 | -0.16 | 46 |
IV.CAMP.HHE. | 2021-04-15T03:05:04.47 | 0.1 | undecidable | manual | S | 152 | 18.87 | 109 | -0.06 | 97 |
IV.RM33.EHZ. | 2021-04-15T03:05:04.99 | 0.3 | undecidable | manual | S | 200 | 20.868 | 106 | -0.04 | 72 |
IV.MC2.EHZ. | 2021-04-15T03:05:02.53 | 1.0 | undecidable | manual | P | 340 | 26.6511 | 100 | 0.06 | 24 |
IV.MTRA.EHZ. | 2021-04-15T03:05:02.56 | 0.3 | undecidable | manual | S | 45 | 11.0778 | 130 | -0.15 | 73 |
IV.MMO1.EHZ. | 2021-04-15T03:05:02.04 | 0.3 | positive | manual | P | 5 | 23.754 | 102 | 0 | 73 |
IV.TERO.HHZ. | 2021-04-15T03:05:02.29 | 0.6 | undecidable | manual | P | 106 | 25.752 | 101 | -0.05 | 49 |
IV.NRCA.HHZ. | 2021-04-15T03:05:01.63 | 0.1 | positive | manual | P | 317 | 22.3554 | 104 | -0.19 | 95 |
IV.T1299.HNN. | 2021-04-15T03:05:01.80 | 0.3 | undecidable | manual | S | 195 | 5.8941 | 150 | -0.02 | 74 |
IV.SMA1.EHZ. | 2021-04-15T03:05:01.96 | 0.1 | undecidable | manual | S | 155 | 6.7932 | 147 | 0.02 | 100 |
IV.RM33.EHZ. | 2021-04-15T03:05:01.63 | 0.6 | positive | manual | P | 200 | 20.868 | 106 | 0.03 | 49 |
IV.CAMP.HHE. | 2021-04-15T03:05:01.37 | 0.1 | undecidable | manual | P | 152 | 18.87 | 109 | 0.06 | 97 |
IV.SMA1.EHZ. | 2021-04-15T03:05:00.00 | 0.1 | negative | manual | P | 155 | 6.7932 | 147 | 0.18 | 97 |
IV.MTRA.EHZ. | 2021-04-15T03:05:00.35 | 0.1 | negative | manual | P | 45 | 11.0778 | 130 | 0.09 | 98 |
IV.T1299.HNN. | 2021-04-15T03:04:59.94 | 0.1 | undecidable | manual | P | 195 | 5.8941 | 150 | 0.19 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.1 | 0.00013550000000000001 | 0.28 | AML | other | m | 2021-04-15T03:05:02.01 |
IV.SMA1.EHE. | ML:0.9 | 0.0000951 | 0.16 | AML | other | m | 2021-04-15T03:05:02.00 |
IV.MTRA.EHE. | ML:1.1 | 0.000136 | 1 | AML | other | m | 2021-04-15T03:05:02.63 |
IV.MTRA.EHN. | ML:1.0 | 0.0001026 | 0.08 | AML | other | m | 2021-04-15T03:05:02.62 |
IV.RM33.EHN. | ML:0.6 | 0.000026450000000000003 | 0.48 | AML | other | m | 2021-04-15T03:05:05.27 |
IV.NRCA.HHN. | ML:1.0 | 0.00005655 | 0.06 | AML | other | m | 2021-04-15T03:05:05.13 |
IV.NRCA.HHE. | ML:1.0 | 0.00005955 | 0.22 | AML | other | m | 2021-04-15T03:05:05.05 |
IV.RM33.EHE. | ML:0.8 | 0.0000434 | 0.78 | AML | other | m | 2021-04-15T03:05:06.16 |