A magnitude ML 0.9 earthquake occured in region: 5 km SW Leonessa (RI), on
and geographic coordinates (lat, lon) 42.5180, 12.9460 at 14 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 |
---|---|---|---|---|
Leonessa | RI | 5 | 2435 | 2435 |
Poggio Bustone | RI | 5 | 2055 | 4490 |
Cantalice | RI | 6 | 2755 | 7245 |
Rivodutri | RI | 7 | 1253 | 8498 |
Morro Reatino | RI | 9 | 373 | 8871 |
Polino | TR | 11 | 233 | 9104 |
Micigliano | RI | 12 | 127 | 9231 |
Labro | RI | 12 | 374 | 9605 |
Posta | RI | 12 | 694 | 10299 |
Colli sul Velino | RI | 14 | 533 | 10832 |
Rieti | RI | 14 | 47698 | 58530 |
Cittaducale | RI | 15 | 6828 | 65358 |
Monteleone di Spoleto | PG | 15 | 599 | 65957 |
Castel Sant'Angelo | RI | 15 | 1308 | 67265 |
Borbona | RI | 15 | 617 | 67882 |
Borgo Velino | RI | 16 | 972 | 68854 |
Antrodoco | RI | 16 | 2588 | 71442 |
Greccio | RI | 16 | 1558 | 73000 |
Arrone | TR | 16 | 2763 | 75763 |
Montefranco | TR | 17 | 1276 | 77039 |
Ferentillo | TR | 17 | 1913 | 78952 |
Contigliano | RI | 19 | 3783 | 82735 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-12 01:54:14 |
42.5182 | 12.9463 | 14 | 2021-08-12 02:02:50 |
Sala Sismica INGV-Roma | 93985111 |
Field | Value |
---|---|
Time (UTC) | 2021-08-12 01:54:14 ± 0.23 |
Latitude | 42.5182 ± 0.0144 |
Longitude | 12.9463 ± 0.0110 |
Depth (km) | 14 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93985111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1247 |
Semi-minor axis of confidence ellipse (meter) | 1110 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 210 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33815 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 93985111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-12 02:02:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-08-12T01:54:26.65 | 0.3 | undecidable | manual | S | 21 | 37.5291 | 97 | 0.05 | 74 |
IV.SRES.HHZ. | 2021-08-12T01:54:25.57 | 3.0 | negative | manual | P | 0.08 | 0 | |||
IV.SMA1.EHZ. | 2021-08-12T01:54:25.36 | 0.6 | undecidable | manual | S | 68 | 34.1436 | 98 | -0.32 | 46 |
IV.RM33.EHZ. | 2021-08-12T01:54:22.57 | 0.3 | undecidable | manual | S | 93 | 21.9669 | 107 | 0.06 | 75 |
IV.NRCA.HHZ. | 2021-08-12T01:54:21.41 | 0.3 | undecidable | manual | P | 21 | 37.5291 | 97 | 0.11 | 72 |
IV.GAVE.EHZ. | 2021-08-12T01:54:21.97 | 0.3 | undecidable | manual | S | 348 | 19.7691 | 110 | 0.02 | 76 |
IV.SMA1.EHZ. | 2021-08-12T01:54:20.81 | 0.3 | undecidable | manual | P | 68 | 34.1436 | 98 | 0.04 | 74 |
IV.LNSS.HHZ. | 2021-08-12T01:54:19.84 | 0.3 | undecidable | manual | S | 39 | 12.0768 | 129 | -0.33 | 72 |
IV.CESX.HHZ. | 2021-08-12T01:54:19.74 | 0.6 | undecidable | manual | P | 289 | 31.0467 | 100 | -0.56 | 45 |
IV.RM33.EHZ. | 2021-08-12T01:54:19.01 | 0.1 | undecidable | manual | P | 93 | 21.9669 | 107 | 0.07 | 100 |
IV.GAVE.EHZ. | 2021-08-12T01:54:19.03 | 0.3 | undecidable | manual | P | 348 | 19.7691 | 110 | 0.41 | 70 |
IV.LNSS.HHZ. | 2021-08-12T01:54:17.72 | 0.1 | undecidable | manual | P | 39 | 12.0768 | 129 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.4 | 0.000242 | 1.9 | AML | other | m | 2021-08-12T01:54:20.96 |
IV.LNSS.HHN. | ML:1.2 | 0.0001375 | 0.12 | AML | other | m | 2021-08-12T01:54:20.63 |
IV.GAVE.EHN. | ML:0.5 | 0.000022395144999999998 | 0.84 | AML | other | m | 2021-08-12T01:54:23.76 |
IV.GAVE.EHE. | ML:0.6 | 0.000031549999999999994 | 0.1 | AML | other | m | 2021-08-12T01:54:22.62 |
IV.RM33.EHE. | ML:0.9 | 0.00004472184 | 1.1808 | AML | other | m | 2021-08-12T01:54:23.40 |
IV.RM33.EHN. | ML:0.8 | 0.000041456179999999997 | 0.2192 | AML | other | m | 2021-08-12T01:54:22.93 |