A magnitude ML 1.1 earthquake occured in region: 5 km W Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7650, 13.2330 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 |
Norcia | PG | 12 | 4957 | 6802 |
Montegallo | AP | 12 | 523 | 7325 |
Acquasanta Terme | AP | 15 | 2916 | 10241 |
Amatrice | RI | 16 | 2657 | 12898 |
Castelsantangelo sul Nera | MC | 16 | 281 | 13179 |
Montemonaco | AP | 17 | 604 | 13783 |
Cittareale | RI | 17 | 482 | 14265 |
Cascia | PG | 19 | 3217 | 17482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2019-12-04 19:20:40 |
42.7653 | 13.2332 | 11 | 2019-12-04 19:37:36 |
Sala Sismica INGV-Roma | 74321211 |
Field | Value |
---|---|
Time (UTC) | 2019-12-04 19:20:40 ± 0.03 |
Latitude | 42.7653 ± 0.0018 |
Longitude | 13.2332 ± 0.0024 |
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 | 74321211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 186 |
Semi-minor axis of confidence ellipse (meter) | 159 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 21 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30757 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 74321211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-04 19:37:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2019-12-04T19:20:52.16 | 0.3 | undecidable | manual | S | 117 | 34.1436 | 50 | -0.1 | 71 |
IV.RM33.EHZ. | 2019-12-04T19:20:50.75 | 0.3 | undecidable | manual | S | 183 | 28.4493 | 50 | -0.01 | 74 |
IV.LNSS.HHZ. | 2019-12-04T19:20:49.60 | 0.3 | undecidable | manual | S | 221 | 23.9538 | 50 | 0.06 | 73 |
IV.GIGS.HHZ. | 2019-12-04T19:20:49.13 | 3.0 | negative | manual | P | -0.03 | 0 | |||
IV.FDMO.HHZ. | 2019-12-04T19:20:47.04 | 3.0 | positive | manual | P | 0.12 | 0 | |||
IV.TERO.HHZ. | 2019-12-04T19:20:47.44 | 0.3 | undecidable | manual | P | 117 | 34.1436 | 50 | 0.11 | 71 |
IV.MMO1.EHZ. | 2019-12-04T19:20:47.44 | 0.1 | undecidable | manual | S | 27 | 16.6722 | 122 | -0.01 | 100 |
IV.CSP1.EHZ. | 2019-12-04T19:20:47.59 | 3.0 | positive | manual | P | 0.02 | 0 | |||
IV.SMA1.EHZ. | 2019-12-04T19:20:47.55 | 0.3 | undecidable | manual | S | 151 | 17.0718 | 122 | -0.02 | 75 |
IV.NRCA.HNZ. | 2019-12-04T19:20:46.10 | 0.1 | undecidable | manual | S | 308 | 12.2766 | 131 | -0.11 | 99 |
IV.MTRA.HNZ. | 2019-12-04T19:20:46.42 | 0.1 | undecidable | manual | S | 94 | 13.3755 | 128 | -0.07 | 99 |
IV.RM33.EHZ. | 2019-12-04T19:20:46.38 | 0.3 | undecidable | manual | P | 183 | 28.4493 | 50 | -0.08 | 72 |
IV.LNSS.HHZ. | 2019-12-04T19:20:45.67 | 0.3 | undecidable | manual | P | 221 | 23.9538 | 50 | -0.08 | 73 |
IV.MMO1.EHZ. | 2019-12-04T19:20:44.58 | 0.1 | undecidable | manual | P | 27 | 16.6722 | 122 | 0.03 | 100 |
IV.SMA1.EHZ. | 2019-12-04T19:20:44.70 | 0.3 | undecidable | manual | P | 151 | 17.0718 | 122 | 0.09 | 74 |
IV.MTRA.HNZ. | 2019-12-04T19:20:44.09 | 0.3 | undecidable | manual | P | 94 | 13.3755 | 128 | 0.1 | 74 |
IV.NRCA.HNZ. | 2019-12-04T19:20:43.93 | 0.1 | undecidable | manual | P | 308 | 12.2766 | 131 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.00029499999999999996 | 0.94 | AML | other | m | 2019-12-04T19:20:46.61 |
IV.NRCA.HHE. | ML:1.5 | 0.00032250000000000003 | 0.84 | AML | other | m | 2019-12-04T19:20:47.59 |
IV.MTRA.EHE. | ML:1.2 | 0.000177 | 0.2 | AML | other | m | 2019-12-04T19:20:47.25 |
IV.MTRA.EHN. | ML:1.1 | 0.000136 | 0.68 | AML | other | m | 2019-12-04T19:20:47.84 |
IV.SMA1.EHN. | ML:0.9 | 0.0000675 | 1.58 | AML | other | m | 2019-12-04T19:20:48.20 |
IV.SMA1.EHE. | ML:0.9 | 0.0000588 | 1.2 | AML | other | m | 2019-12-04T19:20:49.84 |
IV.RM33.EHE. | ML:1.0 | 0.0000447 | 1.16 | AML | other | m | 2019-12-04T19:20:52.58 |
IV.RM33.EHN. | ML:0.9 | 0.000041349999999999995 | 0.42 | AML | other | m | 2019-12-04T19:20:53.66 |