A magnitude ML 0.9 earthquake occured in region: 8 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7670, 13.1940 at 10 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 | 9 | 1178 | 1178 |
Norcia | PG | 9 | 4957 | 6135 |
Accumoli | RI | 9 | 667 | 6802 |
Montegallo | AP | 14 | 523 | 7325 |
Castelsantangelo sul Nera | MC | 15 | 281 | 7606 |
Cascia | PG | 16 | 3217 | 10823 |
Cittareale | RI | 17 | 482 | 11305 |
Amatrice | RI | 17 | 2657 | 13962 |
Acquasanta Terme | AP | 18 | 2916 | 16878 |
Preci | PG | 18 | 724 | 17602 |
Montemonaco | AP | 18 | 604 | 18206 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-10-18 06:48:15 |
42.7673 | 13.1945 | 10 | 2020-10-18 06:56:05 |
Sala Sismica INGV-Roma | 83875741 |
Field | Value |
---|---|
Time (UTC) | 2020-10-18 06:48:15 ± 0.05 |
Latitude | 42.7673 ± 0.0018 |
Longitude | 13.1945 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83875741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 279 |
Semi-minor axis of confidence ellipse (meter) | 160 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 268 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 67 |
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) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.08813 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 83875741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-18 06:56:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-10-18T06:48:28.53 | 0.6 | undecidable | manual | S | 1 | 36.0417 | 50 | 0.29 | 46 |
IV.RM33.EHZ. | 2020-10-18T06:48:26.21 | 0.6 | undecidable | manual | S | 177 | 28.749 | 50 | -0.08 | 48 |
IV.FDMO.HHZ. | 2020-10-18T06:48:26.81 | 0.6 | undecidable | manual | S | 344 | 31.1466 | 50 | -0.12 | 48 |
IV.GAVE.HNE. | 2020-10-18T06:48:25.48 | 0.6 | undecidable | manual | S | 251 | 25.8519 | 110 | 0.07 | 49 |
IV.LNSS.HHZ. | 2020-10-18T06:48:24.29 | 0.6 | undecidable | manual | S | 215 | 22.1556 | 113 | 0.07 | 49 |
IV.CSP1.EHZ. | 2020-10-18T06:48:22.85 | 1.0 | negative | manual | P | 1 | 36.0417 | 50 | -0.15 | 24 |
IV.MMO1.EHZ. | 2020-10-18T06:48:22.85 | 0.6 | undecidable | manual | S | 36 | 18.1707 | 118 | -0.13 | 49 |
IV.GUMA.HHZ. | 2020-10-18T06:48:22.97 | 0.6 | undecidable | manual | P | 19 | 34.743 | 50 | 0.17 | 47 |
IV.MTRA.EHZ. | 2020-10-18T06:48:22.15 | 0.6 | undecidable | manual | S | 94 | 16.4724 | 120 | -0.31 | 47 |
IV.T1299.HNE. | 2020-10-18T06:48:22.66 | 0.6 | undecidable | manual | S | 154 | 16.3725 | 120 | 0.22 | 48 |
IV.MC2.EHZ. | 2020-10-18T06:48:22.80 | 0.6 | undecidable | manual | S | 358 | 15.9729 | 121 | 0.49 | 45 |
IV.FDMO.HHZ. | 2020-10-18T06:48:21.99 | 1.0 | negative | manual | P | 344 | 31.1466 | 50 | -0.26 | 23 |
IV.GAVE.HNE. | 2020-10-18T06:48:21.30 | 0.1 | undecidable | manual | P | 251 | 25.8519 | 110 | -0.07 | 98 |
IV.RM33.EHZ. | 2020-10-18T06:48:21.72 | 0.6 | positive | manual | P | 177 | 28.749 | 50 | -0.16 | 48 |
IV.NRCA.HHZ. | 2020-10-18T06:48:20.25 | 0.6 | undecidable | manual | S | 318 | 9.7791 | 134 | -0.36 | 47 |
IV.SMA1.EHE. | 2020-10-18T06:48:20.27 | 0.1 | undecidable | manual | P | 143 | 19.0698 | 117 | 0.16 | 97 |
IV.LNSS.HHZ. | 2020-10-18T06:48:20.65 | 0.3 | negative | manual | P | 215 | 22.1556 | 113 | -0.03 | 74 |
IV.MTRA.EHZ. | 2020-10-18T06:48:19.63 | 0.6 | negative | manual | P | 94 | 16.4724 | 120 | -0.04 | 50 |
IV.T1299.HNE. | 2020-10-18T06:48:19.68 | 0.1 | undecidable | manual | P | 154 | 16.3725 | 120 | 0.03 | 100 |
IV.MC2.EHZ. | 2020-10-18T06:48:19.70 | 0.6 | positive | manual | P | 358 | 15.9729 | 121 | 0.12 | 49 |
IV.MMO1.EHZ. | 2020-10-18T06:48:19.80 | 0.6 | undecidable | manual | P | 36 | 18.1707 | 118 | -0.16 | 49 |
IV.NRCA.HHZ. | 2020-10-18T06:48:18.59 | 0.6 | undecidable | manual | P | 318 | 9.7791 | 134 | -0.01 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00020449999999999998 | 0.1 | AML | other | m | 2020-10-18T06:48:20.32 |
IV.NRCA.HHE. | ML:1.4 | 0.000312 | 0.1 | AML | other | m | 2020-10-18T06:48:20.39 |
IV.MTRA.EHE. | ML:1.0 | 0.00008765 | 0.68 | AML | other | m | 2020-10-18T06:48:22.52 |
IV.MTRA.EHN. | ML:1.0 | 0.00009865 | 0.28 | AML | other | m | 2020-10-18T06:48:22.75 |
IV.LNSS.HHN. | ML:0.8 | 0.0000415 | 0.12 | AML | other | m | 2020-10-18T06:48:25.44 |
IV.LNSS.HHE. | ML:0.9 | 0.000048899999999999996 | 0.12 | AML | other | m | 2020-10-18T06:48:25.79 |
IV.NRCA.HNE. | ML:1.4 | 0.00030435465 | 0.0928 | AML | other | m | 2020-10-18T06:48:20.39 |
IV.NRCA.HNN. | ML:1.1 | 0.00018201428 | 0.0992 | AML | other | m | 2020-10-18T06:48:20.32 |
IV.MTRA.HNE. | ML:1.2 | 0.00014174419999999998 | 1.0176 | AML | other | m | 2020-10-18T06:48:22.52 |
IV.MTRA.HNN. | ML:1.1 | 0.0001128825 | 0.24 | AML | other | m | 2020-10-18T06:48:22.86 |
IV.RM33.EHE. | ML:0.6 | 0.000019901485 | 0.2016 | AML | other | m | 2020-10-18T06:48:26.60 |
IV.RM33.EHN. | ML:0.5 | 0.000016143545 | 0.08 | AML | other | m | 2020-10-18T06:48:26.34 |
IV.FDMO.HHE. | ML:0.3 | 0.000008923435 | 0.1792 | AML | other | m | 2020-10-18T06:48:27.26 |
IV.FDMO.HHN. | ML:0.3 | 0.0000096704135 | 0.4 | AML | other | m | 2020-10-18T06:48:26.76 |
IV.CSP1.EHE. | ML:0.8 | 0.000025323035500000002 | 0.1792 | AML | other | m | 2020-10-18T06:48:28.80 |
IV.CSP1.EHN. | ML:0.8 | 0.000026166905000000002 | 0 | AML | other | m | 2020-10-18T06:48:29.23 |