A magnitude ML 1.3 earthquake occured in region: 6 km NW Cittareale (RI), on
and geographic coordinates (lat, lon) 42.6660, 13.1400 at 13 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 |
---|---|---|---|---|
Cittareale | RI | 6 | 482 | 482 |
Accumoli | RI | 10 | 667 | 1149 |
Cascia | PG | 12 | 3217 | 4366 |
Amatrice | RI | 13 | 2657 | 7023 |
Norcia | PG | 15 | 4957 | 11980 |
Monteleone di Spoleto | PG | 15 | 599 | 12579 |
Posta | RI | 16 | 694 | 13273 |
Borbona | RI | 17 | 617 | 13890 |
Poggiodomo | PG | 18 | 117 | 14007 |
Arquata del Tronto | AP | 18 | 1178 | 15185 |
Montereale | AQ | 18 | 2581 | 17766 |
Leonessa | RI | 18 | 2435 | 20201 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-08-26 22:52:35 |
42.6657 | 13.1397 | 13 | 2021-08-26 23:10:27 |
Sala Sismica INGV-Roma | 94683041 |
Field | Value |
---|---|
Time (UTC) | 2021-08-26 22:52:35 ± 0.08 |
Latitude | 42.6657 ± 0.0027 |
Longitude | 13.1397 ± 0.0037 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94683041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 337 |
Semi-minor axis of confidence ellipse (meter) | 118 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 22 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.09623 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37232 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94683041 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-26 23:10:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2021-08-26T22:52:49.39 | 0.6 | undecidable | manual | S | 354 | 41.3253 | 93 | -0.02 | 48 |
IV.RM33.EHZ. | 2021-08-26T22:52:43.22 | 0.6 | undecidable | manual | S | 161 | 18.4704 | 104 | -0.11 | 49 |
IV.FDMO.HHZ. | 2021-08-26T22:52:43.72 | 1.0 | positive | manual | P | 354 | 41.3253 | 93 | 0.01 | 24 |
IV.GAVE.EHZ. | 2021-08-26T22:52:43.58 | 0.6 | undecidable | manual | S | 278 | 20.2686 | 101 | -0.23 | 48 |
IV.ARRO.EHZ. | 2021-08-26T22:52:42.28 | 0.6 | negative | manual | P | 253 | 32.0457 | 95 | 0.02 | 49 |
IV.TERO.HHZ. | 2021-08-26T22:52:42.98 | 1.0 | positive | manual | P | 97 | 38.1285 | 93 | -0.24 | 23 |
IV.SMA1.EHZ. | 2021-08-26T22:52:42.94 | 0.6 | undecidable | manual | S | 104 | 16.4724 | 108 | 0.12 | 50 |
IV.T1299.HNE. | 2021-08-26T22:52:41.70 | 0.1 | undecidable | manual | S | 107 | 12.1767 | 121 | -0.08 | 99 |
IV.LNSS.HHZ. | 2021-08-26T22:52:41.40 | 0.6 | undecidable | manual | S | 229 | 10.6782 | 127 | -0.06 | 50 |
IV.CAMP.HHE. | 2021-08-26T22:52:41.20 | 0.1 | undecidable | manual | P | 123 | 26.2515 | 97 | -0.19 | 95 |
IV.SMA1.EHZ. | 2021-08-26T22:52:40.05 | 0.3 | positive | manual | P | 104 | 16.4724 | 108 | 0.15 | 74 |
IV.RM33.EHZ. | 2021-08-26T22:52:40.28 | 0.6 | negative | manual | P | 161 | 18.4704 | 104 | 0.09 | 50 |
IV.GAVE.EHZ. | 2021-08-26T22:52:40.47 | 0.1 | positive | manual | P | 278 | 20.2686 | 101 | 0 | 100 |
IV.LNSS.HHZ. | 2021-08-26T22:52:39.27 | 0.1 | positive | manual | P | 229 | 10.6782 | 127 | 0.16 | 99 |
IV.T1299.HNE. | 2021-08-26T22:52:39.42 | 0.1 | undecidable | manual | P | 107 | 12.1767 | 121 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.5 | 0.0003325 | 0.18 | AML | other | m | 2021-08-26T22:52:41.60 |
IV.LNSS.HHE. | ML:1.6 | 0.000386 | 1.3 | AML | other | m | 2021-08-26T22:52:42.67 |
IV.SMA1.EHE. | ML:1.6 | 0.000309 | 0.3 | AML | other | m | 2021-08-26T22:52:43.30 |
IV.SMA1.EHN. | ML:1.4 | 0.00019 | 0.32 | AML | other | m | 2021-08-26T22:52:43.39 |
IV.RM33.EHN. | ML:1.1 | 0.00009834999999999999 | 0.26 | AML | other | m | 2021-08-26T22:52:43.44 |
IV.RM33.EHE. | ML:0.9 | 0.0000582 | 0.3 | AML | other | m | 2021-08-26T22:52:43.75 |
IV.GAVE.EHN. | ML:1.0 | 0.0000706 | 1.16 | AML | other | m | 2021-08-26T22:52:43.89 |
IV.GAVE.EHE. | ML:1.1 | 0.00009535 | 0.26 | AML | other | m | 2021-08-26T22:52:44.21 |