A magnitude ML 1.1 earthquake occured in region: 6 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7970, 13.2250 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 |
---|---|---|---|---|
Arquata del Tronto | AP | 6 | 1178 | 1178 |
Montegallo | AP | 10 | 523 | 1701 |
Norcia | PG | 11 | 4957 | 6658 |
Accumoli | RI | 11 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7606 |
Montemonaco | AP | 14 | 604 | 8210 |
Acquasanta Terme | AP | 15 | 2916 | 11126 |
Preci | PG | 18 | 724 | 11850 |
Ussita | MC | 18 | 444 | 12294 |
Visso | MC | 19 | 1107 | 13401 |
Montefortino | FM | 19 | 1178 | 14579 |
Amatrice | RI | 19 | 2657 | 17236 |
Cascia | PG | 19 | 3217 | 20453 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-06-18 22:27:30 |
42.7967 | 13.2253 | 13 | 2021-06-18 22:34:01 |
Sala Sismica INGV-Roma | 91521461 |
Field | Value |
---|---|
Time (UTC) | 2021-06-18 22:27:30 ± 0.04 |
Latitude | 42.7967 ± 0.0027 |
Longitude | 13.2253 ± 0.0037 |
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 | 91521461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 255 |
Semi-minor axis of confidence ellipse (meter) | 243 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31386 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 91521461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-18 22:34:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-06-18T22:27:42.00 | 0.1 | undecidable | manual | S | 312 | 34.8429 | 95 | 0.03 | 96 |
IV.ARRO.EHZ. | 2021-06-18T22:27:42.88 | 3.0 | undecidable | manual | S | -0.16 | 0 | |||
IV.GAVE.EHZ. | 2021-06-18T22:27:40.46 | 0.1 | undecidable | manual | S | 247 | 29.3484 | 97 | -0.06 | 97 |
IV.MNTT.EHZ. | 2021-06-18T22:27:39.02 | 3.0 | negative | manual | P | 0.34 | 0 | |||
IV.SMA1.EHZ. | 2021-06-18T22:27:38.21 | 0.1 | undecidable | manual | S | 154 | 20.4684 | 104 | 0.03 | 99 |
IV.FIAM.HHZ. | 2021-06-18T22:27:38.93 | 3.0 | negative | manual | P | -0.45 | 0 | |||
IV.OFFI.HHZ. | 2021-06-18T22:27:38.73 | 3.0 | positive | manual | P | 0.41 | 0 | |||
IV.TERO.HHZ. | 2021-06-18T22:27:37.13 | 3.0 | undecidable | manual | P | 0.19 | 0 | |||
IV.MF5.EHZ. | 2021-06-18T22:27:36.44 | 3.0 | negative | manual | P | -0.1 | 0 | |||
IV.RM33.EHZ. | 2021-06-18T22:27:36.62 | 3.0 | negative | manual | P | 1.37 | 0 | |||
IV.MMO1.EHZ. | 2021-06-18T22:27:36.49 | 0.3 | undecidable | manual | S | 36 | 14.0748 | 118 | -0.08 | 73 |
IV.MC2.EHZ. | 2021-06-18T22:27:36.45 | 0.1 | undecidable | manual | S | 347 | 13.0758 | 121 | 0.11 | 98 |
IV.CSP1.EHZ. | 2021-06-18T22:27:36.54 | 3.0 | undecidable | manual | P | -0.41 | 0 | |||
IV.GAVE.EHZ. | 2021-06-18T22:27:36.15 | 1.0 | positive | manual | P | 247 | 29.3484 | 97 | -0.01 | 24 |
IV.MTRA.EHZ. | 2021-06-18T22:27:36.55 | 0.1 | undecidable | manual | S | 108 | 14.5743 | 116 | -0.16 | 96 |
IV.CESI.HHZ. | 2021-06-18T22:27:36.84 | 0.1 | undecidable | manual | P | 312 | 34.8429 | 95 | -0.15 | 93 |
IV.NRCA.HHZ. | 2021-06-18T22:27:35.58 | 0.1 | undecidable | manual | S | 294 | 9.879 | 132 | -0.09 | 100 |
IV.MTRA.EHZ. | 2021-06-18T22:27:34.00 | 0.1 | undecidable | manual | P | 108 | 14.5743 | 116 | 0.04 | 100 |
IV.SMA1.EHZ. | 2021-06-18T22:27:34.86 | 0.1 | undecidable | manual | P | 154 | 20.4684 | 104 | 0.05 | 98 |
IV.MC2.EHZ. | 2021-06-18T22:27:33.90 | 0.1 | undecidable | manual | P | 347 | 13.0758 | 121 | 0.15 | 97 |
IV.NRCA.HHZ. | 2021-06-18T22:27:33.38 | 0.1 | undecidable | manual | P | 294 | 9.879 | 132 | 0.03 | 100 |
IV.MMO1.EHZ. | 2021-06-18T22:27:33.88 | 0.1 | undecidable | manual | P | 36 | 14.0748 | 118 | 0 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.8 | 0.000674 | 0.18 | AML | other | m | 2021-06-18T22:27:35.73 |
IV.NRCA.HHN. | ML:1.8 | 0.00061 | 1.24 | AML | other | m | 2021-06-18T22:27:35.23 |
IV.MTRA.EHE. | ML:1.1 | 0.000101 | 1.52 | AML | other | m | 2021-06-18T22:27:37.05 |
IV.MTRA.EHN. | ML:0.9 | 0.00007075 | 0.3 | AML | other | m | 2021-06-18T22:27:37.70 |
IV.SMA1.EHE. | ML:0.8 | 0.0000381 | 0.26 | AML | other | m | 2021-06-18T22:27:38.54 |
IV.SMA1.EHN. | ML:0.7 | 0.0000363 | 0.5 | AML | other | m | 2021-06-18T22:27:39.89 |
IV.CESI.HHN. | ML:1.0 | 0.000041800000000000006 | 0.46 | AML | other | m | 2021-06-18T22:27:42.26 |
IV.CSP1.EHN. | ML:1.1 | 0.0000498 | 0.38 | AML | other | m | 2021-06-18T22:27:42.94 |
IV.CESI.HHE. | ML:0.7 | 0.000020499999999999997 | 1.18 | AML | other | m | 2021-06-18T22:27:42.34 |
IV.CSP1.EHE. | ML:1.1 | 0.00005155 | 0.68 | AML | other | m | 2021-06-18T22:27:42.95 |
IV.OFFI.HHE. | ML:1.2 | 0.000052699999999999993 | 0.5 | AML | other | m | 2021-06-18T22:27:46.36 |
IV.OFFI.HHN. | ML:1.2 | 0.000048200000000000006 | 0.46 | AML | other | m | 2021-06-18T22:27:46.45 |
IV.MNTT.EHE. | ML:1.7 | 0.000163 | 0.48 | AML | other | m | 2021-06-18T22:27:47.44 |
IV.MNTT.EHN. | ML:1.4 | 0.00008060000000000001 | 0.24 | AML | other | m | 2021-06-18T22:27:49.39 |