A magnitude ML 0.9 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7430, 13.2700 at 11 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 | 4 | 1178 | 1178 |
Accumoli | RI | 6 | 667 | 1845 |
Acquasanta Terme | AP | 12 | 2916 | 4761 |
Montegallo | AP | 12 | 523 | 5284 |
Amatrice | RI | 13 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Cittareale | RI | 16 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Valle Castellana | TE | 19 | 977 | 14961 |
Castelsantangelo sul Nera | MC | 19 | 281 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2019-10-21 01:04:37 |
42.7427 | 13.2697 | 11 | 2019-10-21 01:09:57 |
Sala Sismica INGV-Roma | 73365481 |
Field | Value |
---|---|
Time (UTC) | 2019-10-21 01:04:37 ± 0.06 |
Latitude | 42.7427 ± 0.0036 |
Longitude | 13.2697 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 73365481 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 550 |
Semi-minor axis of confidence ellipse (meter) | 175 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 245 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.09443 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36512 |
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 | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 73365481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-10-21 01:09:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2019-10-21T01:04:50.43 | 0.6 | undecidable | manual | S | 352 | 39.1275 | 50 | 0 | 51 |
IV.GIGS.HHZ. | 2019-10-21T01:04:50.50 | 0.6 | undecidable | manual | S | 142 | 40.5261 | 50 | -0.31 | 48 |
IV.FDMO.HHZ. | 2019-10-21T01:04:49.48 | 0.6 | undecidable | manual | S | 336 | 35.8419 | 50 | -0.07 | 51 |
IV.MF5.EHZ. | 2019-10-21T01:04:48.72 | 0.6 | undecidable | manual | S | 30 | 31.2465 | 50 | 0.38 | 48 |
IV.RM33.EHZ. | 2019-10-21T01:04:47.16 | 1.0 | undecidable | manual | S | 190 | 26.2515 | 50 | 0.15 | 25 |
IV.TERO.HHZ. | 2019-10-21T01:04:47.73 | 0.6 | undecidable | manual | S | 116 | 30.3474 | 50 | -0.36 | 48 |
IV.GIGS.HHZ. | 2019-10-21T01:04:45.04 | 1.0 | negative | manual | P | 142 | 40.5261 | 50 | -0.12 | 25 |
IV.MC2.EHZ. | 2019-10-21T01:04:45.31 | 0.6 | undecidable | manual | S | 341 | 19.869 | 118 | 0.04 | 53 |
IV.MF5.EHZ. | 2019-10-21T01:04:44.00 | 1.0 | negative | manual | P | 30 | 31.2465 | 50 | 0.26 | 25 |
IV.FDMO.HHZ. | 2019-10-21T01:04:44.30 | 0.6 | negative | manual | P | 336 | 35.8419 | 50 | -0.13 | 50 |
IV.CSP1.EHZ. | 2019-10-21T01:04:44.88 | 1.0 | positive | manual | P | 352 | 39.1275 | 50 | -0.06 | 25 |
IV.MMO1.EHZ. | 2019-10-21T01:04:44.43 | 0.6 | undecidable | manual | S | 15 | 17.9709 | 121 | -0.28 | 50 |
IV.SMA1.EHZ. | 2019-10-21T01:04:43.19 | 0.6 | undecidable | manual | S | 157 | 13.5753 | 128 | -0.24 | 51 |
IV.NRCA.HHZ. | 2019-10-21T01:04:43.68 | 0.6 | undecidable | manual | S | 309 | 16.1727 | 123 | -0.49 | 48 |
IV.RM33.EHZ. | 2019-10-21T01:04:43.10 | 0.6 | negative | manual | P | 190 | 26.2515 | 50 | 0.13 | 51 |
IV.TERO.HHZ. | 2019-10-21T01:04:43.38 | 1.0 | undecidable | manual | P | 116 | 30.3474 | 50 | -0.21 | 25 |
IV.MC2.EHZ. | 2019-10-21T01:04:42.10 | 0.6 | negative | manual | P | 341 | 19.869 | 118 | 0.14 | 51 |
IV.MTRA.EHZ. | 2019-10-21T01:04:42.62 | 0.6 | undecidable | manual | S | 81 | 10.4784 | 136 | -0.01 | 53 |
IV.MMO1.EHZ. | 2019-10-21T01:04:41.65 | 1.0 | undecidable | manual | P | 15 | 17.9709 | 121 | 0.01 | 27 |
IV.SMA1.EHZ. | 2019-10-21T01:04:41.23 | 0.1 | positive | manual | P | 157 | 13.5753 | 128 | 0.33 | 100 |
IV.NRCA.HHZ. | 2019-10-21T01:04:41.51 | 0.3 | undecidable | manual | P | 309 | 16.1727 | 123 | 0.18 | 77 |
IV.MTRA.EHZ. | 2019-10-21T01:04:40.68 | 0.6 | undecidable | manual | P | 81 | 10.4784 | 136 | 0.24 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.2 | 0.00019700000000000002 | 1.58 | AML | other | m | 2019-10-21T01:04:42.79 |
IV.MTRA.EHE. | ML:1.1 | 0.00015099999999999998 | 0.22 | AML | other | m | 2019-10-21T01:04:42.90 |
IV.SMA1.EHN. | ML:0.9 | 0.00008335 | 0.32 | AML | other | m | 2019-10-21T01:04:43.98 |
IV.NRCA.HHE. | ML:1.5 | 0.000249 | 0.28 | AML | other | m | 2019-10-21T01:04:44.34 |
IV.NRCA.HHN. | ML:1.3 | 0.0001785 | 0.2 | AML | other | m | 2019-10-21T01:04:44.48 |
IV.SMA1.EHE. | ML:0.6 | 0.000046949999999999996 | 0.58 | AML | other | m | 2019-10-21T01:04:44.66 |
IV.RM33.EHN. | ML:0.8 | 0.0000353 | 0.86 | AML | other | m | 2019-10-21T01:04:47.91 |
IV.TERO.HHN. | ML:0.9 | 0.000042050000000000006 | 1.48 | AML | other | m | 2019-10-21T01:04:48.02 |
IV.TERO.HHE. | ML:0.9 | 0.0000357 | 1.1 | AML | other | m | 2019-10-21T01:04:48.65 |
IV.RM33.EHE. | ML:0.9 | 0.000039099999999999995 | 0.42 | AML | other | m | 2019-10-21T01:04:48.95 |
IV.FDMO.HHN. | ML:0.8 | 0.0000269 | 0.42 | AML | other | m | 2019-10-21T01:04:50.83 |
IV.FDMO.HHE. | ML:0.7 | 0.000020900000000000003 | 1.32 | AML | other | m | 2019-10-21T01:04:51.94 |
IV.GIGS.HHE. | ML:0.2 | 0.00000659253765 | 0.28 | AML | other | m | 2019-10-21T01:04:51.20 |
IV.GIGS.HHN. | ML:0.5 | 0.000010647689999999999 | 2.18 | AML | other | m | 2019-10-21T01:04:51.15 |