A magnitude ML 0.9 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7710, 13.2420 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 | 5 | 1178 | 1178 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 11 | 523 | 2368 |
Norcia | PG | 12 | 4957 | 7325 |
Acquasanta Terme | AP | 14 | 2916 | 10241 |
Castelsantangelo sul Nera | MC | 16 | 281 | 10522 |
Montemonaco | AP | 16 | 604 | 11126 |
Amatrice | RI | 16 | 2657 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Cascia | PG | 20 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2019-02-27 20:39:26 |
42.7713 | 13.2423 | 11 | 2019-02-27 20:47:08 |
Sala Sismica INGV-Roma | 66031401 |
Field | Value |
---|---|
Time (UTC) | 2019-02-27 20:39:26 ± 0.06 |
Latitude | 42.7713 ± 0.0027 |
Longitude | 13.2423 ± 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 | 66031401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 516 |
Semi-minor axis of confidence ellipse (meter) | 164 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 70 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 66031401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-02-27 20:47:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HHZ. | 2019-02-27T20:40:04.11 | 3.0 | undecidable | manual | S | -0.04 | 0 | |||
IV.ATFO.HHZ. | 2019-02-27T20:39:53.07 | 3.0 | undecidable | manual | S | -0.22 | 0 | |||
IV.FDMO.HHZ. | 2019-02-27T20:39:37.13 | 0.6 | undecidable | manual | S | 337 | 32.0457 | 50 | -0.08 | 49 |
IV.RM33.EHZ. | 2019-02-27T20:39:36.58 | 0.6 | undecidable | manual | S | 184 | 29.1486 | 50 | 0.12 | 49 |
IV.CAMP.HHZ. | 2019-02-27T20:39:36.21 | 0.6 | undecidable | manual | S | 152 | 29.4483 | 50 | -0.32 | 47 |
IV.SMA1.EHZ. | 2019-02-27T20:39:33.08 | 0.3 | undecidable | manual | S | 154 | 17.3715 | 121 | -0.1 | 75 |
IV.TERO.HHZ. | 2019-02-27T20:39:32.74 | 1.0 | positive | manual | P | 119 | 33.744 | 50 | -0.05 | 25 |
IV.FDMO.HHZ. | 2019-02-27T20:39:32.42 | 1.0 | negative | manual | P | 337 | 32.0457 | 50 | -0.1 | 24 |
IV.MMO1.EHZ. | 2019-02-27T20:39:32.52 | 0.6 | undecidable | manual | S | 26 | 15.7731 | 124 | -0.19 | 49 |
IV.MF5.EHZ. | 2019-02-27T20:39:32.49 | 0.1 | positive | manual | P | 36 | 29.8479 | 50 | 0.31 | 94 |
IV.T1299.HNZ. | 2019-02-27T20:39:32.92 | 0.6 | undecidable | manual | S | 168 | 15.5733 | 124 | 0.28 | 48 |
IV.RM33.EHZ. | 2019-02-27T20:39:32.01 | 0.3 | undecidable | manual | P | 184 | 29.1486 | 50 | -0.08 | 74 |
IV.NRCA.HHZ. | 2019-02-27T20:39:31.39 | 0.3 | undecidable | manual | S | 304 | 12.4764 | 130 | -0.41 | 71 |
IV.LNSS.HHZ. | 2019-02-27T20:39:31.39 | 0.1 | undecidable | manual | P | 221 | 24.9528 | 50 | -0.04 | 100 |
IV.MTRA.EHZ. | 2019-02-27T20:39:31.64 | 0.6 | undecidable | manual | S | 97 | 12.6762 | 130 | -0.21 | 49 |
IV.CAMP.HHZ. | 2019-02-27T20:39:31.88 | 0.3 | undecidable | manual | P | 152 | 29.4483 | 50 | -0.24 | 71 |
IV.SMA1.EHZ. | 2019-02-27T20:39:30.22 | 0.6 | positive | manual | P | 154 | 17.3715 | 121 | 0.03 | 51 |
IV.MC2.EHZ. | 2019-02-27T20:39:30.46 | 0.6 | undecidable | manual | P | 344 | 16.1727 | 123 | 0.48 | 46 |
IV.T1299.HNZ. | 2019-02-27T20:39:30.15 | 0.1 | undecidable | manual | P | 168 | 15.5733 | 124 | 0.26 | 97 |
IV.MTRA.EHZ. | 2019-02-27T20:39:29.35 | 0.3 | undecidable | manual | P | 97 | 12.6762 | 130 | -0.07 | 76 |
IV.NRCA.HHZ. | 2019-02-27T20:39:29.53 | 0.1 | negative | manual | P | 304 | 12.4764 | 130 | 0.14 | 100 |
IV.MMO1.EHZ. | 2019-02-27T20:39:29.87 | 0.6 | undecidable | manual | P | 26 | 15.7731 | 124 | -0.05 | 51 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.TERO.HHN. | ML:0.9 | 0.0000291 | 1.02 | AML | other | m | 2019-02-27T20:39:38.68 |
IV.MTRA.EHE. | ML:1.2 | 0.000187 | 1.82 | AML | other | m | 2019-02-27T20:39:31.03 |
IV.MTRA.EHN. | ML:1.3 | 0.00020050000000000002 | 0.26 | AML | other | m | 2019-02-27T20:39:32.17 |
IV.SMA1.EHN. | ML:0.9 | 0.000063 | 0.24 | AML | other | m | 2019-02-27T20:39:33.12 |
IV.SMA1.EHE. | ML:0.9 | 0.00006319999999999999 | 0.72 | AML | other | m | 2019-02-27T20:39:33.90 |
IV.TERO.HHE. | ML:0.7 | 0.000019849999999999998 | 0.92 | AML | other | m | 2019-02-27T20:39:39.90 |
IV.RM33.EHE. | ML:0.8 | 0.000035052164999999994 | 0.8832 | AML | other | m | 2019-02-27T20:39:36.99 |
IV.RM33.EHN. | ML:0.6 | 0.000022335395 | 0.7168 | AML | other | m | 2019-02-27T20:39:36.94 |