A magnitude ML 1.1 earthquake occured in region: 7 km SW Monte Cavallo (MC), on
and geographic coordinates (lat, lon) 42.9440, 12.9610 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 |
---|---|---|---|---|
Sellano | PG | 7 | 1079 | 1079 |
Monte Cavallo | MC | 7 | 145 | 1224 |
Preci | PG | 10 | 724 | 1948 |
Visso | MC | 11 | 1107 | 3055 |
Pieve Torina | MC | 14 | 1458 | 4513 |
Cerreto di Spoleto | PG | 14 | 1075 | 5588 |
Serravalle di Chienti | MC | 14 | 1070 | 6658 |
Ussita | MC | 15 | 444 | 7102 |
Fiordimonte | MC | 15 | 202 | 7304 |
Castelsantangelo sul Nera | MC | 17 | 281 | 7585 |
Pievebovigliana | MC | 17 | 866 | 8451 |
Muccia | MC | 17 | 915 | 9366 |
Trevi | PG | 19 | 8469 | 17835 |
Fiastra | MC | 19 | 559 | 18394 |
Norcia | PG | 20 | 4957 | 23351 |
Acquacanina | MC | 20 | 121 | 23472 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-18 04:54:15 |
42.9437 | 12.9612 | 10 | 2021-09-18 04:58:36 |
Sala Sismica INGV-Roma | 95569111 |
Field | Value |
---|---|
Time (UTC) | 2021-09-18 04:54:15 ± 0.04 |
Latitude | 42.9437 ± 0.0018 |
Longitude | 12.9612 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95569111 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 243 |
Semi-minor axis of confidence ellipse (meter) | 188 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 75 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
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 | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33635 |
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 | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95569111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-18 04:58:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SNTG.HHZ. | 2021-09-18T04:54:27.60 | 0.1 | undecidable | manual | S | 357 | 34.5432 | 50 | 0.09 | 96 |
IV.CSP1.EHZ. | 2021-09-18T04:54:25.26 | 0.1 | undecidable | manual | S | 50 | 25.752 | 50 | 0.12 | 97 |
IV.ASSB.HHZ. | 2021-09-18T04:54:25.40 | 0.1 | undecidable | manual | S | 294 | 26.8509 | 50 | -0.05 | 98 |
IV.GAVE.EHZ. | 2021-09-18T04:54:25.96 | 0.1 | undecidable | manual | S | 191 | 28.4493 | 50 | 0.1 | 97 |
IV.MML1.EHZ. | 2021-09-18T04:54:23.06 | 0.1 | undecidable | manual | S | 3 | 18.87 | 119 | -0.08 | 99 |
IV.SNTG.HHZ. | 2021-09-18T04:54:22.44 | 0.3 | negative | manual | P | 357 | 34.5432 | 50 | -0.06 | 72 |
IV.ATCC.EHZ. | 2021-09-18T04:54:22.90 | 0.6 | negative | manual | P | 316 | 37.3293 | 50 | -0.03 | 48 |
IV.NRCA.HHZ. | 2021-09-18T04:54:22.66 | 0.1 | undecidable | manual | S | 134 | 17.4714 | 121 | -0.04 | 100 |
IV.ASSB.HHZ. | 2021-09-18T04:54:21.08 | 0.1 | positive | manual | P | 294 | 26.8509 | 50 | -0.23 | 94 |
IV.GAVE.EHZ. | 2021-09-18T04:54:21.52 | 0.6 | negative | manual | P | 191 | 28.4493 | 50 | -0.03 | 49 |
IV.FDMO.HHZ. | 2021-09-18T04:54:21.71 | 0.1 | undecidable | manual | S | 45 | 14.5743 | 126 | -0.15 | 98 |
IV.CSP1.EHZ. | 2021-09-18T04:54:21.07 | 1.0 | undecidable | manual | P | 50 | 25.752 | 50 | -0.06 | 25 |
IV.CESI.HHZ. | 2021-09-18T04:54:20.45 | 0.1 | undecidable | manual | S | 326 | 8.1807 | 142 | 0.19 | 98 |
IV.MML1.EHZ. | 2021-09-18T04:54:20.07 | 1.0 | undecidable | manual | P | 3 | 18.87 | 119 | 0.09 | 25 |
IV.FDMO.HHZ. | 2021-09-18T04:54:19.30 | 0.1 | negative | manual | P | 45 | 14.5743 | 126 | 0.06 | 100 |
IV.NRCA.HHZ. | 2021-09-18T04:54:19.70 | 0.6 | undecidable | manual | P | 134 | 17.4714 | 121 | -0.03 | 50 |
IV.CESI.HHZ. | 2021-09-18T04:54:18.53 | 1.0 | undecidable | manual | P | 326 | 8.1807 | 142 | 0.22 | 24 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:1.4 | 0.0003305 | 0.2 | AML | other | m | 2021-09-18T04:54:20.50 |
IV.CESI.HHE. | ML:1.3 | 0.000249 | 0.18 | AML | other | m | 2021-09-18T04:54:20.66 |
IV.FDMO.HHN. | ML:1.0 | 0.0001021 | 0.2 | AML | other | m | 2021-09-18T04:54:21.80 |
IV.FDMO.HHE. | ML:1.1 | 0.00011750000000000001 | 1.12 | AML | other | m | 2021-09-18T04:54:22.32 |
IV.NRCA.HHN. | ML:1.2 | 0.0001445 | 0.66 | AML | other | m | 2021-09-18T04:54:22.33 |
IV.MML1.EHN. | ML:0.9 | 0.00006525 | 0.3 | AML | other | m | 2021-09-18T04:54:23.42 |
IV.MML1.EHE. | ML:1.1 | 0.00009389999999999999 | 0.2 | AML | other | m | 2021-09-18T04:54:23.27 |
IV.NRCA.HHE. | ML:1.2 | 0.00014000000000000001 | 0.12 | AML | other | m | 2021-09-18T04:54:23.33 |
IV.GAVE.EHE. | ML:1.1 | 0.00006065 | 0.16 | AML | other | m | 2021-09-18T04:54:26.74 |
IV.GAVE.EHN. | ML:1.0 | 0.00005300000000000001 | 0.56 | AML | other | m | 2021-09-18T04:54:26.95 |