A magnitude ML 1.7 earthquake occured in region: 7 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8130, 13.2280 at 13 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 7 | 1178 | 1178 |
Montegallo | AP | 9 | 523 | 1701 |
Castelsantangelo sul Nera | MC | 11 | 281 | 1982 |
Norcia | PG | 11 | 4957 | 6939 |
Montemonaco | AP | 13 | 604 | 7543 |
Accumoli | RI | 13 | 667 | 8210 |
Acquasanta Terme | AP | 16 | 2916 | 11126 |
Ussita | MC | 16 | 444 | 11570 |
Preci | PG | 17 | 724 | 12294 |
Montefortino | FM | 17 | 1178 | 13472 |
Visso | MC | 17 | 1107 | 14579 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2019-12-21 16:33:37 |
42.8132 | 13.2282 | 13 | 2020-02-28 16:42:27 |
Bollettino Sismico Italiano INGV | 76773641 |
Reviewed Rev100 |
ML 1.5 | 2019-12-21 16:33:37 |
42.8133 | 13.2328 | 13 | 2019-12-21 16:42:29 |
Sala Sismica INGV-Roma | 74860231 |
Field | Value |
---|---|
Time (UTC) | 2019-12-21 16:33:37 ± 0.07 |
Latitude | 42.8132 ± 0.0036 |
Longitude | 13.2282 ± 0.0061 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 76773641 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 498 |
Semi-minor axis of confidence ellipse (meter) | 106 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.08633 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35433 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 74860231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-21 16:42:29 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 76773641 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-02-24 13:42:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MML1.HNE. | 2019-12-21T16:33:50.30 | 0.6 | undecidable | manual | S | 328 | 39.3273 | 94 | 0.3 | 45 |
IV.CESI.HHE. | 2019-12-21T16:33:48.72 | 0.6 | undecidable | manual | S | 309 | 33.8439 | 95 | 0.17 | 47 |
IV.RM33.EHZ. | 2019-12-21T16:33:48.72 | 0.6 | undecidable | manual | S | 182 | 33.744 | 95 | 0.19 | 47 |
IV.CSP1.EHZ. | 2019-12-21T16:33:47.22 | 0.6 | undecidable | manual | S | 356 | 30.9468 | 95 | -0.57 | 42 |
IV.MF5.EHN. | 2019-12-21T16:33:47.64 | 0.6 | undecidable | manual | S | 44 | 27.0507 | 97 | 0.91 | 39 |
IV.LNSS.HNZ. | 2019-12-21T16:33:47.46 | 0.6 | undecidable | manual | S | 213 | 27.9498 | 96 | 0.49 | 44 |
IT.MTCL.HGZ. | 2019-12-21T16:33:46.62 | 0.6 | undecidable | manual | S | 317 | 27.3504 | 97 | -0.2 | 47 |
IV.FDMO.HHN. | 2019-12-21T16:33:46.82 | 0.6 | undecidable | manual | S | 335 | 27.2505 | 97 | 0.01 | 49 |
IV.SMA1.EHN. | 2019-12-21T16:33:45.20 | 0.6 | undecidable | manual | S | 157 | 22.0668 | 100 | -0.23 | 48 |
IV.MML1.HNE. | 2019-12-21T16:33:44.47 | 0.3 | undecidable | manual | P | 328 | 39.3273 | 94 | -0.06 | 71 |
IV.MTRA.EHZ. | 2019-12-21T16:33:43.37 | 0.3 | undecidable | manual | S | 114 | 15.0738 | 113 | -0.26 | 71 |
IV.CSP1.EHZ. | 2019-12-21T16:33:43.14 | 0.3 | undecidable | manual | P | 356 | 30.9468 | 95 | -0.11 | 71 |
IV.CESI.HHE. | 2019-12-21T16:33:43.58 | 0.1 | undecidable | manual | P | 309 | 33.8439 | 95 | -0.11 | 95 |
IV.MC2.EHZ. | 2019-12-21T16:33:43.05 | 0.6 | undecidable | manual | S | 344 | 11.3775 | 125 | 0.28 | 48 |
IV.RM33.EHZ. | 2019-12-21T16:33:43.79 | 0.3 | undecidable | manual | P | 182 | 33.744 | 95 | 0.11 | 71 |
IV.MF5.EHN. | 2019-12-21T16:33:43.06 | 0.3 | undecidable | manual | P | 44 | 27.0507 | 97 | 0.42 | 68 |
IV.LNSS.HNZ. | 2019-12-21T16:33:42.68 | 0.3 | undecidable | manual | P | 213 | 27.9498 | 96 | -0.1 | 73 |
IV.NRCA.HHZ. | 2019-12-21T16:33:42.28 | 0.3 | undecidable | manual | S | 284 | 9.5793 | 132 | -0.11 | 76 |
IT.MTCL.HGZ. | 2019-12-21T16:33:42.53 | 0.1 | undecidable | manual | P | 317 | 27.3504 | 97 | -0.16 | 95 |
IV.MMO1.EHZ. | 2019-12-21T16:33:42.88 | 0.3 | undecidable | manual | S | 40 | 12.4764 | 121 | -0.14 | 73 |
IV.FDMO.HHN. | 2019-12-21T16:33:42.54 | 0.1 | undecidable | manual | P | 335 | 27.2505 | 97 | -0.14 | 95 |
IV.SMA1.EHN. | 2019-12-21T16:33:41.76 | 0.3 | undecidable | manual | P | 157 | 22.0668 | 100 | -0.12 | 73 |
IV.MC2.EHZ. | 2019-12-21T16:33:40.51 | 0.3 | undecidable | manual | P | 344 | 11.3775 | 125 | 0.16 | 73 |
IV.MTRA.EHZ. | 2019-12-21T16:33:40.74 | 0.3 | undecidable | manual | P | 114 | 15.0738 | 113 | -0.11 | 74 |
IV.NRCA.HHZ. | 2019-12-21T16:33:40.18 | 0.1 | undecidable | manual | P | 284 | 9.5793 | 132 | 0.05 | 100 |
IV.MMO1.EHZ. | 2019-12-21T16:33:40.46 | 0.1 | undecidable | manual | P | 40 | 12.4764 | 121 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.7 | 0.0005545 | 0.08 | AML | other | m | 2019-12-21T16:33:42.40 |
IV.NRCA.HHN. | ML:1.7 | 0.0005110000000000001 | 0.14 | AML | other | m | 2019-12-21T16:33:42.40 |