A magnitude ML 1.1 earthquake occured in region: 6 km NW Arquata del Tronto (AP), on
and geographic coordinates (lat, lon) 42.8030, 13.2390 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 | 6 | 1178 | 1178 |
Montegallo | AP | 9 | 523 | 1701 |
Norcia | PG | 12 | 4957 | 6658 |
Accumoli | RI | 12 | 667 | 7325 |
Castelsantangelo sul Nera | MC | 12 | 281 | 7606 |
Montemonaco | AP | 13 | 604 | 8210 |
Acquasanta Terme | AP | 14 | 2916 | 11126 |
Montefortino | FM | 18 | 1178 | 12304 |
Ussita | MC | 18 | 444 | 12748 |
Preci | PG | 18 | 724 | 13472 |
Visso | MC | 19 | 1107 | 14579 |
Amatrice | RI | 20 | 2657 | 17236 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-07-30 22:37:03 |
42.8033 | 13.2392 | 10 | 2023-07-30 22:42:17 |
Sala Sismica INGV-Roma | 119718211 |
Field | Value |
---|---|
Time (UTC) | 2023-07-30 22:37:03 ± 0.18 |
Latitude | 42.8033 ± 0.0063 |
Longitude | 13.2392 ± 0.0110 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119718211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 740 |
Semi-minor axis of confidence ellipse (meter) | 658 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 307 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 740.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 106 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32286 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 119718211 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-30 22:42:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2023-07-30T22:37:15.23 | 0.6 | undecidable | manual | S | 184 | 32.745 | 50 | 0.62 | 46 |
IV.ASSB.HHZ. | 2023-07-30T22:37:13.83 | 3.0 | undecidable | manual | P | 0.15 | 0 | |||
IV.LNSS.HHZ. | 2023-07-30T22:37:13.41 | 0.6 | undecidable | manual | S | 216 | 27.5502 | 50 | 0.19 | 49 |
IV.FDMO.HHZ. | 2023-07-30T22:37:13.92 | 3.0 | undecidable | manual | S | -0.2 | 0 | |||
IV.MML1.EHZ. | 2023-07-30T22:37:11.46 | 3.0 | negative | manual | P | 0.03 | 0 | |||
IV.GUMA.HHZ. | 2023-07-30T22:37:10.02 | 3.0 | undecidable | manual | P | 0.44 | 0 | |||
IV.RM33.EHZ. | 2023-07-30T22:37:10.19 | 0.6 | positive | manual | P | 184 | 32.745 | 50 | 0.38 | 48 |
IV.TERO.HHZ. | 2023-07-30T22:37:10.23 | 0.6 | positive | manual | P | 124 | 35.8419 | 50 | -0.06 | 45 |
IV.NRCA.HHZ. | 2023-07-30T22:37:08.21 | 0.6 | undecidable | manual | S | 288 | 10.6782 | 134 | -0.2 | 49 |
IV.MMO1.EHZ. | 2023-07-30T22:37:08.90 | 0.6 | undecidable | manual | S | 34 | 12.7761 | 129 | -0.07 | 50 |
IV.LNSS.HHZ. | 2023-07-30T22:37:08.93 | 1.0 | undecidable | manual | P | 216 | 27.5502 | 50 | -0.08 | 23 |
IV.SMA1.EHZ. | 2023-07-30T22:37:07.77 | 0.6 | negative | manual | P | 158 | 20.7681 | 117 | -0.12 | 50 |
IV.NRCA.HHZ. | 2023-07-30T22:37:06.33 | 0.1 | positive | manual | P | 288 | 10.6782 | 134 | 0.1 | 100 |
IV.MMO1.EHZ. | 2023-07-30T22:37:06.57 | 0.6 | positive | manual | P | 34 | 12.7761 | 129 | 0.02 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.7 | 0.0005940000000000001 | 0.4 | AML | other | m | 2023-07-30T22:37:08.48 |
IV.NRCA.HHE. | ML:1.6 | 0.00045999999999999996 | 0.14 | AML | other | m | 2023-07-30T22:37:08.83 |
IV.MMO1.EHE. | ML:1.1 | 0.000128 | 1.4 | AML | other | m | 2023-07-30T22:37:09.97 |
IV.MMO1.EHN. | ML:1.2 | 0.000179 | 1.46 | AML | other | m | 2023-07-30T22:37:10.94 |
IV.LNSS.HHN. | ML:1.2 | 0.00007960000000000001 | 0.54 | AML | other | m | 2023-07-30T22:37:14.61 |
IV.LNSS.HHE. | ML:1.2 | 0.00007780000000000001 | 0.16 | AML | other | m | 2023-07-30T22:37:14.34 |
IV.FDMO.HHN. | ML:0.8 | 0.00002925 | 0.18 | AML | other | m | 2023-07-30T22:37:14.75 |
IV.RM33.EHN. | ML:0.9 | 0.00003695 | 0.16 | AML | other | m | 2023-07-30T22:37:15.69 |
IV.SMA1.EHN. | ML:1.1 | 0.00009389999999999999 | 0.44 | AML | other | m | 2023-07-30T22:37:15.73 |
IV.RM33.EHE. | ML:0.8 | 0.000029749999999999998 | 0.46 | AML | other | m | 2023-07-30T22:37:15.79 |
IV.FDMO.HHE. | ML:0.8 | 0.000034149999999999997 | 1.22 | AML | other | m | 2023-07-30T22:37:15.30 |
IV.GUMA.HHE. | ML:1.5 | 0.00014850000000000003 | 0.24 | AML | other | m | 2023-07-30T22:37:16.43 |
IV.GUMA.HHN. | ML:1.3 | 0.000097 | 1.44 | AML | other | m | 2023-07-30T22:37:16.81 |
IV.MML1.EHN. | ML:0.9 | 0.000025 | 0.26 | AML | other | m | 2023-07-30T22:37:18.68 |
IV.MML1.EHE. | ML:0.8 | 0.00002215 | 0.46 | AML | other | m | 2023-07-30T22:37:19.32 |
IV.SMA1.EHE. | ML:1.1 | 0.00009575 | 0.5 | AML | other | m | 2023-07-30T22:37:19.58 |
IV.ASSB.HHN. | ML:0.8 | 0.00001515 | 0.46 | AML | other | m | 2023-07-30T22:37:23.48 |
IV.ASSB.HHE. | ML:0.8 | 0.00001515 | 0.44 | AML | other | m | 2023-07-30T22:37:24.01 |