A magnitude ML 1.1 earthquake occured in region: 2 km SW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.7600, 13.2760 at 9 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 |
Accumoli | RI | 8 | 667 | 1845 |
Montegallo | AP | 10 | 523 | 2368 |
Acquasanta Terme | AP | 11 | 2916 | 5284 |
Amatrice | RI | 15 | 2657 | 7941 |
Norcia | PG | 15 | 4957 | 12898 |
Montemonaco | AP | 16 | 604 | 13502 |
Castelsantangelo sul Nera | MC | 18 | 281 | 13783 |
Cittareale | RI | 18 | 482 | 14265 |
Valle Castellana | TE | 18 | 977 | 15242 |
Roccafluvione | AP | 20 | 2010 | 17252 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2019-07-21 21:37:51 |
42.7602 | 13.2757 | 9 | 2019-07-21 21:41:49 |
Sala Sismica INGV-Roma | 70779851 |
Field | Value |
---|---|
Time (UTC) | 2019-07-21 21:37:51 ± 0.07 |
Latitude | 42.7602 ± 0.0036 |
Longitude | 13.2757 ± 0.0049 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 70779851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 428 |
Semi-minor axis of confidence ellipse (meter) | 225 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 128 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
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) | 0.08903 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37682 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 70779851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-07-21 21:41:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2019-07-21T21:38:01.26 | 0.1 | undecidable | manual | S | 190 | 28.3494 | 108 | -0.2 | 93 |
IV.MF5.EHZ. | 2019-07-21T21:38:01.84 | 0.1 | undecidable | manual | S | 31 | 29.3484 | 50 | 0.04 | 96 |
IV.LNSS.HHZ. | 2019-07-21T21:38:00.78 | 0.1 | undecidable | manual | S | 228 | 25.9518 | 110 | 0.1 | 95 |
IV.OFFI.HHZ. | 2019-07-21T21:37:59.11 | 0.1 | positive | manual | P | 60 | 38.5281 | 50 | 0.4 | 88 |
IV.GIGS.HHZ. | 2019-07-21T21:37:58.69 | 1.0 | undecidable | manual | P | 144 | 41.8248 | 50 | -0.52 | 21 |
IV.MMO1.EHZ. | 2019-07-21T21:37:57.34 | 0.1 | undecidable | manual | S | 15 | 15.9729 | 120 | -0.19 | 95 |
IV.MF5.EHZ. | 2019-07-21T21:37:57.29 | 0.6 | positive | manual | P | 31 | 29.3484 | 50 | 0 | 48 |
IV.NRCA.HHZ. | 2019-07-21T21:37:57.47 | 0.1 | undecidable | manual | S | 302 | 15.4734 | 121 | 0.09 | 97 |
IV.FDMO.HHZ. | 2019-07-21T21:37:57.54 | 0.3 | negative | manual | P | 334 | 34.2435 | 50 | -0.5 | 65 |
IV.RM33.EHZ. | 2019-07-21T21:37:56.93 | 1.0 | negative | manual | P | 190 | 28.3494 | 108 | -0.16 | 23 |
IV.LNSS.HHZ. | 2019-07-21T21:37:56.84 | 0.3 | positive | manual | P | 228 | 25.9518 | 110 | 0.21 | 70 |
IV.MTRA.HNZ. | 2019-07-21T21:37:55.81 | 0.1 | undecidable | manual | S | 92 | 9.879 | 133 | -0.01 | 100 |
IV.MC2.EHZ. | 2019-07-21T21:37:55.28 | 0.3 | negative | manual | P | 337 | 18.1707 | 117 | 0.07 | 73 |
IV.MTRA.HNZ. | 2019-07-21T21:37:54.02 | 0.6 | negative | manual | P | 92 | 9.879 | 133 | 0.19 | 48 |
IV.MMO1.EHZ. | 2019-07-21T21:37:54.78 | 1.0 | undecidable | manual | P | 15 | 15.9729 | 120 | -0.04 | 25 |
IV.NRCA.HHZ. | 2019-07-21T21:37:54.85 | 1.0 | undecidable | manual | P | 302 | 15.4734 | 121 | 0.12 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.4 | 0.000336 | 0.26 | AML | other | m | 2019-07-21T21:37:56.15 |
IV.MTRA.EHN. | ML:1.4 | 0.000368 | 1.2 | AML | other | m | 2019-07-21T21:37:56.87 |
IV.NRCA.HHN. | ML:1.9 | 0.0007405 | 0.08 | AML | other | m | 2019-07-21T21:37:57.58 |
IV.NRCA.HHE. | ML:1.8 | 0.000601 | 0.1 | AML | other | m | 2019-07-21T21:37:57.87 |
IV.LNSS.HHN. | ML:1.1 | 0.00007439999999999999 | 0.88 | AML | other | m | 2019-07-21T21:38:00.90 |
IV.LNSS.HHE. | ML:1.3 | 0.00010685 | 0.18 | AML | other | m | 2019-07-21T21:38:01.41 |
IV.RM33.EHN. | ML:0.8 | 0.00003344999999999999 | 0.8 | AML | other | m | 2019-07-21T21:38:02.80 |
IV.FDMO.HHN. | ML:1.1 | 0.000051349999999999995 | 0.2 | AML | other | m | 2019-07-21T21:38:02.80 |
IV.FDMO.HHE. | ML:0.9 | 0.00003375 | 0.16 | AML | other | m | 2019-07-21T21:38:02.83 |
IV.RM33.EHE. | ML:0.9 | 0.00003755 | 1.5 | AML | other | m | 2019-07-21T21:38:02.97 |
IV.GIGS.HHE. | ML:0.7 | 0.000013325 | 0.68 | AML | other | m | 2019-07-21T21:38:06.50 |
IV.OFFI.HHN. | ML:1.2 | 0.0000674 | 0.66 | AML | other | m | 2019-07-21T21:38:06.33 |
IV.GIGS.HHN. | ML:0.5 | 0.000010170000000000001 | 0.8 | AML | other | m | 2019-07-21T21:38:06.94 |
IV.OFFI.HHE. | ML:1.2 | 0.00005505 | 0.76 | AML | other | m | 2019-07-21T21:38:06.33 |