A magnitude ML 0.9 earthquake occured in region: 2 km NE Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7920, 13.3110 at 15 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 | 2 | 1178 | 1178 |
Montegallo | AP | 6 | 523 | 1701 |
Acquasanta Terme | AP | 9 | 2916 | 4617 |
Accumoli | RI | 12 | 667 | 5284 |
Montemonaco | AP | 12 | 604 | 5888 |
Roccafluvione | AP | 16 | 2010 | 7898 |
Valle Castellana | TE | 17 | 977 | 8875 |
Montefortino | FM | 17 | 1178 | 10053 |
Palmiano | AP | 17 | 196 | 10249 |
Castelsantangelo sul Nera | MC | 17 | 281 | 10530 |
Norcia | PG | 18 | 4957 | 15487 |
Venarotta | AP | 18 | 2066 | 17553 |
Amatrice | RI | 18 | 2657 | 20210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-12-24 21:58:03 |
42.7922 | 13.311 | 15 | 2020-12-24 22:24:48 |
Sala Sismica INGV-Roma | 85692551 |
Field | Value |
---|---|
Time (UTC) | 2020-12-24 21:58:03 ± 0.14 |
Latitude | 42.7922 ± 0.0036 |
Longitude | 13.3110 ± 0.0061 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85692551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 466 |
Semi-minor axis of confidence ellipse (meter) | 185 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 257 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36602 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85692551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-24 22:24:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IT.LNT.HGZ. | 2020-12-24T21:59:25.22 | 3.0 | negative | manual | Pg | 7.29 | 0 | |||
GU.BLANC.HHZ. | 2020-12-24T21:59:19.57 | 3.0 | undecidable | manual | Pn | -0.01 | 0 | |||
IV.ORI.HHZ. | 2020-12-24T21:59:10.13 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.VARE.HHZ. | 2020-12-24T21:59:09.17 | 3.0 | undecidable | manual | Pg | 5.38 | 0 | |||
GU.GSCL.HHZ. | 2020-12-24T21:58:38.20 | 3.0 | undecidable | manual | Pg | -0.79 | 0 | |||
IV.MCEL.HHZ. | 2020-12-24T21:58:36.07 | 3.0 | undecidable | manual | Pg | -1.81 | 0 | |||
IV.BSSO.HHZ. | 2020-12-24T21:58:34.82 | 3.0 | undecidable | manual | Sn | -7.7 | 0 | |||
OX.DRE.HHZ. | 2020-12-24T21:58:29.99 | 3.0 | undecidable | manual | Pg | -6.89 | 0 | |||
IX.STN3.HHZ.02 | 2020-12-24T21:58:25.66 | 3.0 | positive | manual | Pn | -9.09 | 0 | |||
IV.MRB1.HHZ. | 2020-12-24T21:58:24.61 | 3.0 | undecidable | manual | Pg | -0.85 | 0 | |||
IV.CESI.HHN. | 2020-12-24T21:58:16.60 | 0.6 | undecidable | manual | S | 306 | 40.626 | 99 | 0.1 | 48 |
IV.FDMO.HHZ. | 2020-12-24T21:58:14.23 | 0.3 | undecidable | manual | S | 326 | 32.6451 | 102 | -0.18 | 70 |
IV.LNSS.HHE. | 2020-12-24T21:58:14.14 | 0.3 | undecidable | manual | S | 226 | 30.4473 | 103 | 0.29 | 70 |
IV.TERO.HHN. | 2020-12-24T21:58:13.57 | 0.3 | undecidable | manual | S | 128 | 30.3474 | 103 | -0.25 | 71 |
IV.CPGN.HNZ. | 2020-12-24T21:58:12.95 | 3.0 | negative | manual | P | -7.41 | 0 | |||
IV.MF5.EHE. | 2020-12-24T21:58:12.97 | 0.3 | undecidable | manual | S | 29 | 24.8529 | 108 | 0.57 | 64 |
IV.BSSO.HHZ. | 2020-12-24T21:58:12.52 | 3.0 | undecidable | manual | Pn | -6.99 | 0 | |||
IV.T1299.EHZ. | 2020-12-24T21:58:11.03 | 0.6 | undecidable | manual | S | 188 | 17.6712 | 119 | 0.39 | 46 |
IV.MC2.EHZ. | 2020-12-24T21:58:10.61 | 0.3 | undecidable | manual | S | 323 | 16.5723 | 121 | 0.24 | 72 |
IV.NARO.HHZ. | 2020-12-24T21:58:10.58 | 3.0 | undecidable | manual | P | -6.63 | 0 | |||
IV.SMA1.EHZ. | 2020-12-24T21:58:10.55 | 0.1 | undecidable | manual | S | 174 | 18.0708 | 118 | -0.18 | 97 |
IV.CESI.HHN. | 2020-12-24T21:58:10.95 | 0.3 | undecidable | manual | P | 306 | 40.626 | 99 | 0.11 | 71 |
IV.NRCA.HHZ. | 2020-12-24T21:58:10.28 | 0.3 | undecidable | manual | S | 286 | 16.6722 | 121 | -0.12 | 72 |
IV.FDMO.HHZ. | 2020-12-24T21:58:09.39 | 0.3 | undecidable | manual | P | 326 | 32.6451 | 102 | -0.25 | 69 |
IV.LNSS.HHE. | 2020-12-24T21:58:09.38 | 0.3 | undecidable | manual | P | 226 | 30.4473 | 103 | 0.07 | 73 |
IV.TERO.HHN. | 2020-12-24T21:58:09.03 | 0.3 | undecidable | manual | P | 128 | 30.3474 | 103 | -0.27 | 70 |
IV.MMO1.EHZ. | 2020-12-24T21:58:09.13 | 0.3 | undecidable | manual | S | 6 | 11.9769 | 133 | -0.26 | 72 |
IV.MF5.EHE. | 2020-12-24T21:58:08.67 | 0.3 | undecidable | manual | P | 29 | 24.8529 | 108 | 0.19 | 71 |
IV.NRCA.HHZ. | 2020-12-24T21:58:07.25 | 0.1 | undecidable | manual | P | 286 | 16.6722 | 121 | -0.08 | 98 |
IV.MC2.EHZ. | 2020-12-24T21:58:07.37 | 0.1 | undecidable | manual | P | 323 | 16.5723 | 121 | 0.06 | 100 |
IV.T1299.EHZ. | 2020-12-24T21:58:07.72 | 0.3 | undecidable | manual | P | 188 | 17.6712 | 119 | 0.25 | 71 |
IV.SMA1.EHZ. | 2020-12-24T21:58:07.50 | 0.1 | undecidable | manual | P | 174 | 18.0708 | 118 | -0.01 | 100 |
IV.MMO1.EHZ. | 2020-12-24T21:58:06.57 | 0.1 | undecidable | manual | P | 6 | 11.9769 | 133 | -0.18 | 98 |
IV.GAVE.EHZ. | 2020-12-24T21:58:06.52 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CSP1.EHZ. | 2020-12-24T21:58:05.29 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.00007795000000000001 | 0.12 | AML | other | m | 2020-12-24T21:58:11.42 |
IV.NRCA.HHN. | ML:1.4 | 0.00019080960000000002 | 0.1024 | AML | other | m | 2020-12-24T21:58:10.51 |
IV.NRCA.HNE. | ML:1.4 | 0.0001791562 | 0.1664 | AML | other | m | 2020-12-24T21:58:10.49 |
IV.NRCA.HNN. | ML:1.4 | 0.00019402398000000002 | 0.1536 | AML | other | m | 2020-12-24T21:58:10.52 |
IV.SMA1.EHE. | ML:0.3 | 0.0000137014175 | 0.1152 | AML | other | m | 2020-12-24T21:58:11.40 |
IV.SMA1.EHN. | ML:0.3 | 0.000013049532999999998 | 0.2176 | AML | other | m | 2020-12-24T21:58:11.02 |
IV.FDMO.HHE. | ML:0.4 | 0.000008859451000000001 | 0.1408 | AML | other | m | 2020-12-24T21:58:15.09 |
IV.FDMO.HHN. | ML:0.7 | 0.000020049423 | 0.2048 | AML | other | m | 2020-12-24T21:58:14.54 |