A magnitude ML 0.7 earthquake occured in region: 3 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7660, 13.0990 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Norcia | PG | 3 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 14 | 724 | 8898 |
Accumoli | RI | 15 | 667 | 9565 |
Poggiodomo | PG | 15 | 117 | 9682 |
Castelsantangelo sul Nera | MC | 15 | 281 | 9963 |
Cerreto di Spoleto | PG | 16 | 1075 | 11038 |
Arquata del Tronto | AP | 16 | 1178 | 12216 |
Cittareale | RI | 17 | 482 | 12698 |
Monteleone di Spoleto | PG | 17 | 599 | 13297 |
Visso | MC | 18 | 1107 | 14404 |
Vallo di Nera | PG | 19 | 364 | 14768 |
Sellano | PG | 20 | 1079 | 15847 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2020-12-22 01:04:50 |
42.766 | 13.0987 | 11 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86831891 |
Reviewed Rev100 |
ML 1.2 | 2020-12-22 01:04:50 |
42.7662 | 13.1042 | 11 | 2020-12-22 01:10:21 |
Sala Sismica INGV-Roma | 85613931 |
Field | Value |
---|---|
Time (UTC) | 2020-12-22 01:04:50 ± 0.07 |
Latitude | 42.7660 ± 0.0054 |
Longitude | 13.0987 ± 0.0086 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86831891 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 740 |
Semi-minor axis of confidence ellipse (meter) | 540 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 312 |
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) | 144 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
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) | 0.46855 |
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 | 1.2 |
Uncertainty | 0.5 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85613931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-22 01:10:21 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86831891 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-04 16:10:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ATVO.HHZ. | 2020-12-22T01:05:19.54 | 3.0 | undecidable | manual | S | 0 | ||||
IV.ATVO.HHZ. | 2020-12-22T01:05:17.81 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ATFO.HHZ. | 2020-12-22T01:05:17.06 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CESI.HHE. | 2020-12-22T01:05:01.39 | 0.6 | undecidable | manual | S | 329 | 30.8469 | 90 | 0.08 | 47 |
IV.FDMO.HHZ. | 2020-12-22T01:05:00.93 | 0.3 | undecidable | manual | S | 358 | 30.0477 | 90 | -0.17 | 70 |
IV.MMO1.EHZ. | 2020-12-22T01:04:59.31 | 0.6 | undecidable | manual | S | 51 | 23.754 | 90 | -0.11 | 48 |
IV.MNTT.EHE. | 2020-12-22T01:04:59.66 | 0.3 | undecidable | manual | P | 51 | 52.0035 | 90 | -0.41 | 64 |
IV.GAVE.EHZ. | 2020-12-22T01:04:58.13 | 0.3 | undecidable | manual | S | 244 | 18.5703 | 90 | 0.1 | 72 |
IV.MC2.EHZ. | 2020-12-22T01:04:57.94 | 0.3 | undecidable | manual | S | 24 | 17.7711 | 90 | 0.12 | 72 |
IV.LNSS.HHZ. | 2020-12-22T01:04:57.94 | 0.3 | undecidable | manual | S | 195 | 18.6702 | 90 | -0.14 | 71 |
IV.FDMO.HHZ. | 2020-12-22T01:04:56.68 | 0.1 | undecidable | manual | P | 358 | 30.0477 | 90 | 0.01 | 96 |
IV.CESI.HHE. | 2020-12-22T01:04:56.84 | 0.6 | undecidable | manual | P | 329 | 30.8469 | 90 | 0.04 | 47 |
IV.MMO1.EHZ. | 2020-12-22T01:04:55.47 | 0.3 | undecidable | manual | P | 51 | 23.754 | 90 | -0.23 | 70 |
IV.LNSS.HHZ. | 2020-12-22T01:04:55.05 | 0.1 | undecidable | manual | P | 195 | 18.6702 | 90 | 0.12 | 96 |
IV.GAVE.EHZ. | 2020-12-22T01:04:55.07 | 0.1 | undecidable | manual | P | 244 | 18.5703 | 90 | 0.17 | 95 |
IV.MC2.EHZ. | 2020-12-22T01:04:55.33 | 0.1 | undecidable | manual | P | 24 | 17.7711 | 90 | 0.55 | 86 |
IV.NRCA.HHZ. | 2020-12-22T01:04:54.89 | 0.1 | undecidable | manual | S | 10 | 7.5813 | 133 | -0.4 | 93 |
IV.NRCA.HHZ. | 2020-12-22T01:04:53.31 | 0.1 | undecidable | manual | P | 10 | 7.5813 | 133 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.9 | 0.0001121144 | 0.12 | AML | other | m | 2020-12-22T01:04:54.93 |
IV.NRCA.HHE. | ML:1.0 | 0.0001296015 | 0.16 | AML | other | m | 2020-12-22T01:04:54.98 |
IV.LNSS.HHN. | ML:0.3 | 0.000015154925 | 0.1 | AML | other | m | 2020-12-22T01:04:58.76 |
IV.LNSS.HHE. | ML:0.3 | 0.000016061389999999998 | 0.18 | AML | other | m | 2020-12-22T01:04:59.78 |
IV.NRCA.HNE. | ML:1.0 | 0.00012426755 | 0.0896 | AML | other | m | 2020-12-22T01:04:55.07 |
IV.NRCA.HNN. | ML:1.0 | 0.000131452985 | 0.1696 | AML | other | m | 2020-12-22T01:04:55.15 |
IV.GAVE.EHE. | ML:0.4 | 0.000018263255 | 0.1 | AML | other | m | 2020-12-22T01:04:58.85 |
IV.GAVE.EHN. | ML:0.6 | 0.00003099068 | 0.16 | AML | other | m | 2020-12-22T01:04:58.74 |