A magnitude ML 0.8 earthquake occured in region: 5 km NE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8480, 12.9660 at 11 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 5 | 1075 | 1075 |
Sellano | PG | 6 | 1079 | 2154 |
Preci | PG | 7 | 724 | 2878 |
Vallo di Nera | PG | 12 | 364 | 3242 |
Norcia | PG | 12 | 4957 | 8199 |
Visso | MC | 14 | 1107 | 9306 |
Cascia | PG | 15 | 3217 | 12523 |
Poggiodomo | PG | 15 | 117 | 12640 |
Campello sul Clitunno | PG | 16 | 2442 | 15082 |
Castelsantangelo sul Nera | MC | 16 | 281 | 15363 |
Sant'Anatolia di Narco | PG | 16 | 564 | 15927 |
Monte Cavallo | MC | 17 | 145 | 16072 |
Ussita | MC | 18 | 444 | 16516 |
Trevi | PG | 18 | 8469 | 24985 |
Scheggino | PG | 19 | 461 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-12-30 05:27:45 |
42.8477 | 12.966 | 11 | 2021-12-30 05:36:33 |
Sala Sismica INGV-Roma | 99139741 |
Field | Value |
---|---|
Time (UTC) | 2021-12-30 05:27:45 ± 0.05 |
Latitude | 42.8477 ± 0.0027 |
Longitude | 12.9660 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 99139741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 344 |
Semi-minor axis of confidence ellipse (meter) | 279 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
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) | 145 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30037 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 99139741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-30 05:36:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-12-30T05:28:16.61 | 3.0 | undecidable | manual | S | -0.09 | 0 | |||
IV.ARVD.HHZ. | 2021-12-30T05:27:58.65 | 3.0 | positive | manual | P | 0.19 | 0 | |||
IV.MMO1.EHZ. | 2021-12-30T05:27:56.28 | 0.1 | undecidable | manual | S | 79 | 29.8479 | 50 | -0.09 | 97 |
IV.MML1.EHZ. | 2021-12-30T05:27:56.23 | 0.1 | undecidable | manual | S | 1 | 29.5482 | 50 | -0.03 | 97 |
IV.CESI.HHZ. | 2021-12-30T05:27:53.12 | 0.1 | undecidable | manual | S | 344 | 18.1707 | 120 | 0.03 | 99 |
IV.GAVE.EHZ. | 2021-12-30T05:27:53.00 | 0.1 | undecidable | manual | S | 199 | 18.1707 | 120 | -0.11 | 98 |
IV.MC2.EHZ. | 2021-12-30T05:27:53.61 | 0.1 | undecidable | manual | S | 69 | 19.4694 | 118 | 0.12 | 98 |
IV.CSP1.EHZ. | 2021-12-30T05:27:52.42 | 0.3 | undecidable | manual | P | 36 | 33.3444 | 50 | -0.01 | 72 |
IV.MML1.EHZ. | 2021-12-30T05:27:51.84 | 0.1 | undecidable | manual | P | 1 | 29.5482 | 50 | 0 | 97 |
IV.MMO1.EHZ. | 2021-12-30T05:27:51.90 | 0.1 | undecidable | manual | P | 79 | 29.8479 | 50 | 0 | 97 |
IV.NRCA.HHZ. | 2021-12-30T05:27:51.31 | 0.1 | undecidable | manual | S | 97 | 12.1767 | 131 | -0.08 | 97 |
IV.FDMO.HHZ. | 2021-12-30T05:27:50.65 | 0.1 | undecidable | manual | P | 25 | 23.1546 | 50 | -0.21 | 95 |
IV.CESI.HHZ. | 2021-12-30T05:27:50.03 | 0.1 | undecidable | manual | P | 344 | 18.1707 | 120 | 0.01 | 99 |
IV.GAVE.EHZ. | 2021-12-30T05:27:50.13 | 0.1 | undecidable | manual | P | 199 | 18.1707 | 120 | 0.11 | 97 |
IV.MC2.EHZ. | 2021-12-30T05:27:50.59 | 0.1 | undecidable | manual | P | 69 | 19.4694 | 118 | 0.35 | 93 |
IV.NRCA.HHZ. | 2021-12-30T05:27:49.10 | 0.1 | undecidable | manual | P | 97 | 12.1767 | 131 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.7 | 0.0000524 | 0.14 | AML | other | m | 2021-12-30T05:27:51.57 |
IV.NRCA.HHE. | ML:0.9 | 0.0000781 | 0.16 | AML | other | m | 2021-12-30T05:27:51.57 |
IV.GAVE.EHN. | ML:0.9 | 0.00006075 | 0.54 | AML | other | m | 2021-12-30T05:27:53.62 |
IV.GAVE.EHE. | ML:0.9 | 0.00005989999999999999 | 0.18 | AML | other | m | 2021-12-30T05:27:53.56 |