A magnitude ML 1.1 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7520, 13.2570 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 |
Montegallo | AP | 12 | 523 | 2368 |
Acquasanta Terme | AP | 13 | 2916 | 5284 |
Amatrice | RI | 14 | 2657 | 7941 |
Norcia | PG | 14 | 4957 | 12898 |
Cittareale | RI | 17 | 482 | 13380 |
Montemonaco | AP | 18 | 604 | 13984 |
Castelsantangelo sul Nera | MC | 18 | 281 | 14265 |
Valle Castellana | TE | 20 | 977 | 15242 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-10-23 02:35:41 |
42.7522 | 13.2567 | 11 | 2020-10-23 02:49:12 |
Sala Sismica INGV-Roma | 84045731 |
Field | Value |
---|---|
Time (UTC) | 2020-10-23 02:35:41 ± 0.05 |
Latitude | 42.7522 ± 0.0027 |
Longitude | 13.2567 ± 0.0049 |
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 | 84045731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 370 |
Semi-minor axis of confidence ellipse (meter) | 122 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 77 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 51 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 33 |
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) | 0.10252 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40020 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 84045731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-23 02:49:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2020-10-23T02:35:55.42 | 0.6 | undecidable | manual | S | 315 | 40.0266 | 50 | 0.36 | 45 |
IV.CSP1.EHZ. | 2020-10-23T02:35:54.42 | 0.6 | undecidable | manual | S | 354 | 37.9287 | 50 | -0.07 | 48 |
IV.FDMO.HHZ. | 2020-10-23T02:35:53.31 | 0.6 | undecidable | manual | S | 336 | 34.4433 | 50 | -0.25 | 47 |
IV.MF5.EHZ. | 2020-10-23T02:35:52.88 | 0.3 | undecidable | manual | S | 32 | 30.9468 | 50 | 0.26 | 70 |
IV.GAVE.EHZ. | 2020-10-23T02:35:52.45 | 0.6 | undecidable | manual | S | 257 | 30.2475 | 50 | 0 | 50 |
IV.TERO.HHZ. | 2020-10-23T02:35:52.42 | 0.6 | undecidable | manual | S | 117 | 31.746 | 50 | -0.43 | 45 |
IV.RM33.EHZ. | 2020-10-23T02:35:51.66 | 0.6 | undecidable | manual | S | 187 | 27.1506 | 50 | 0.03 | 50 |
IV.CAMP.HHZ. | 2020-10-23T02:35:51.25 | 0.3 | undecidable | manual | S | 153 | 27.0507 | 50 | -0.34 | 70 |
IV.LNSS.HHZ. | 2020-10-23T02:35:50.96 | 0.6 | undecidable | manual | S | 227 | 24.1536 | 50 | 0.13 | 49 |
IV.ARRO.EHZ. | 2020-10-23T02:35:50.08 | 0.1 | undecidable | manual | P | 245 | 44.4222 | 50 | -0.07 | 95 |
IV.OFFI.HHZ. | 2020-10-23T02:35:50.07 | 0.1 | undecidable | manual | P | 60 | 40.3263 | 50 | 0.54 | 86 |
IV.MNTT.EHZ. | 2020-10-23T02:35:50.34 | 0.1 | undecidable | manual | P | 39 | 44.0226 | 50 | 0.24 | 92 |
IV.CESI.HHZ. | 2020-10-23T02:35:49.38 | 0.3 | negative | manual | P | 315 | 40.0266 | 50 | -0.1 | 72 |
IV.MC2.EHZ. | 2020-10-23T02:35:49.10 | 1.0 | undecidable | manual | S | 343 | 18.4704 | 120 | -0.2 | 24 |
IV.TERO.HHZ. | 2020-10-23T02:35:48.18 | 0.3 | negative | manual | P | 117 | 31.746 | 50 | -0.02 | 74 |
IV.MF5.EHZ. | 2020-10-23T02:35:48.22 | 0.1 | undecidable | manual | P | 32 | 30.9468 | 50 | 0.15 | 96 |
IV.CSP1.EHZ. | 2020-10-23T02:35:48.64 | 0.1 | undecidable | manual | P | 354 | 37.9287 | 50 | -0.51 | 88 |
IV.T1299.HNZ. | 2020-10-23T02:35:48.30 | 0.6 | undecidable | manual | S | 171 | 13.2756 | 129 | 0.5 | 46 |
IV.NRCA.HHZ. | 2020-10-23T02:35:48.08 | 0.3 | undecidable | manual | S | 308 | 14.6742 | 126 | -0.11 | 75 |
IV.FDMO.HHZ. | 2020-10-23T02:35:48.55 | 1.0 | positive | manual | P | 336 | 34.4433 | 50 | -0.06 | 24 |
IV.MMO1.EHZ. | 2020-10-23T02:35:48.50 | 0.6 | undecidable | manual | S | 19 | 17.2716 | 122 | -0.44 | 46 |
IV.GAVE.EHZ. | 2020-10-23T02:35:47.98 | 0.6 | negative | manual | P | 257 | 30.2475 | 50 | 0.01 | 50 |
IV.CAMP.HHZ. | 2020-10-23T02:35:47.34 | 0.1 | undecidable | manual | P | 153 | 27.0507 | 50 | -0.14 | 97 |
IV.SMA1.EHZ. | 2020-10-23T02:35:47.98 | 0.6 | undecidable | manual | S | 155 | 14.9739 | 126 | -0.29 | 48 |
IV.MTRA.HNZ. | 2020-10-23T02:35:47.11 | 0.6 | undecidable | manual | S | 87 | 11.3775 | 134 | -0.21 | 49 |
IV.LNSS.HHZ. | 2020-10-23T02:35:47.07 | 0.1 | positive | manual | P | 227 | 24.1536 | 50 | 0.03 | 100 |
IV.RM33.EHZ. | 2020-10-23T02:35:47.52 | 1.0 | negative | manual | P | 187 | 27.1506 | 50 | 0.02 | 25 |
IV.MC2.EHZ. | 2020-10-23T02:35:46.32 | 0.1 | undecidable | manual | P | 343 | 18.4704 | 120 | 0.17 | 98 |
IV.NRCA.HHZ. | 2020-10-23T02:35:45.50 | 0.6 | undecidable | manual | P | 308 | 14.6742 | 126 | -0.02 | 51 |
IV.MMO1.EHZ. | 2020-10-23T02:35:45.83 | 1.0 | undecidable | manual | P | 19 | 17.2716 | 122 | -0.12 | 25 |
IV.SMA1.EHZ. | 2020-10-23T02:35:45.47 | 0.1 | undecidable | manual | P | 155 | 14.9739 | 126 | -0.09 | 100 |
IV.MTRA.HNZ. | 2020-10-23T02:35:45.18 | 0.6 | undecidable | manual | P | 87 | 11.3775 | 134 | 0.17 | 50 |
IV.T1299.HNZ. | 2020-10-23T02:35:45.57 | 0.1 | undecidable | manual | P | 171 | 13.2756 | 129 | 0.28 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:1.0 | 0.00010855000000000001 | 0.18 | AML | other | m | 2020-10-23T02:35:48.86 |
IV.MTRA.EHE. | ML:1.1 | 0.00013450000000000002 | 1.24 | AML | other | m | 2020-10-23T02:35:49.63 |
IV.RM33.EHN. | ML:1.2 | 0.0000886 | 1.76 | AML | other | m | 2020-10-23T02:35:51.11 |
IV.RM33.EHE. | ML:1.2 | 0.00007495 | 1.46 | AML | other | m | 2020-10-23T02:35:52.79 |
IV.TERO.HHN. | ML:1.2 | 0.00008105 | 1.56 | AML | other | m | 2020-10-23T02:35:52.21 |
IV.TERO.HHE. | ML:1.1 | 0.0000613 | 1.74 | AML | other | m | 2020-10-23T02:35:53.97 |
IV.CESI.HHE. | ML:0.9 | 0.000027799999999999998 | 0.6 | AML | other | m | 2020-10-23T02:35:55.55 |
IV.CESI.HHN. | ML:1.1 | 0.00004365 | 0.22 | AML | other | m | 2020-10-23T02:35:55.50 |
IV.ARRO.EHN. | ML:0.9 | 0.00002695 | 0.48 | AML | other | m | 2020-10-23T02:35:57.33 |
IV.ARRO.EHE. | ML:1.1 | 0.00003335 | 0.22 | AML | other | m | 2020-10-23T02:35:57.64 |