A magnitude ML 1.0 earthquake occured in region: 2 km N Campoli Appennino (FR), on
and geographic coordinates (lat, lon) 41.7600, 13.6860 at 8 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 |
---|---|---|---|---|
Campoli Appennino | FR | 2 | 1725 | 1725 |
Pescosolido | FR | 3 | 1555 | 3280 |
Sora | FR | 7 | 26144 | 29424 |
Broccostella | FR | 7 | 2741 | 32165 |
Posta Fibreno | FR | 7 | 1139 | 33304 |
Vicalvi | FR | 9 | 783 | 34087 |
Alvito | FR | 9 | 2713 | 36800 |
Fontechiari | FR | 10 | 1303 | 38103 |
Pescasseroli | AQ | 10 | 2203 | 40306 |
Balsorano | AQ | 11 | 3569 | 43875 |
San Donato Val di Comino | FR | 12 | 2107 | 45982 |
Opi | AQ | 12 | 420 | 46402 |
Isola del Liri | FR | 13 | 11715 | 58117 |
Villavallelonga | AQ | 13 | 919 | 59036 |
Arpino | FR | 14 | 7262 | 66298 |
Castelliri | FR | 14 | 3454 | 69752 |
Casalvieri | FR | 14 | 2698 | 72450 |
Gallinaro | FR | 15 | 1269 | 73719 |
Casalattico | FR | 16 | 574 | 74293 |
San Vincenzo Valle Roveto | AQ | 16 | 2347 | 76640 |
Collelongo | AQ | 17 | 1233 | 77873 |
Settefrati | FR | 17 | 728 | 78601 |
Santopadre | FR | 18 | 1357 | 79958 |
Atina | FR | 18 | 4316 | 84274 |
Bisegna | AQ | 19 | 223 | 84497 |
Monte San Giovanni Campano | FR | 19 | 12929 | 97426 |
Lecce nei Marsi | AQ | 19 | 1702 | 99128 |
Picinisco | FR | 20 | 1218 | 100346 |
Fontana Liri | FR | 20 | 2953 | 103299 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-04-20 01:58:06 |
41.76 | 13.6855 | 8 | 2021-07-12 16:55:16 |
Bollettino Sismico Italiano INGV | 91699591 |
Reviewed Rev100 |
ML 1.0 | 2021-04-20 01:58:07 |
41.7633 | 13.6947 | 3 | 2021-04-20 02:37:23 |
Sala Sismica INGV-Roma | 89280881 |
Field | Value |
---|---|
Time (UTC) | 2021-04-20 01:58:06 ± 0.13 |
Latitude | 41.7600 ± 0.0054 |
Longitude | 13.6855 ± 0.0084 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91699591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 708 |
Semi-minor axis of confidence ellipse (meter) | 136 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 84 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 108 |
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) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.04676 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35253 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 91699591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 09:05:09 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89280881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-20 02:37:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CERA.HNE. | 2021-04-20T01:58:19.38 | 0.3 | undecidable | manual | S | 123 | 32.9448 | 103 | 0.9 | 55 |
IV.INTR.HHZ. | 2021-04-20T01:58:18.77 | 0.3 | undecidable | manual | S | 33 | 33.2445 | 103 | 0.17 | 70 |
IV.RNI2.HNE. | 2021-04-20T01:58:14.49 | 0.3 | undecidable | manual | P | 99 | 39.1275 | 50 | -0.15 | 69 |
IV.PTQR.HHZ. | 2021-04-20T01:58:14.12 | 0.3 | undecidable | manual | P | 321 | 37.4292 | 50 | -0.25 | 68 |
IV.CERA.HNE. | 2021-04-20T01:58:13.17 | 0.3 | undecidable | manual | P | 123 | 32.9448 | 103 | -0.36 | 67 |
IV.MCI.EHE. | 2021-04-20T01:58:13.35 | 0.3 | undecidable | manual | P | 160 | 31.6461 | 104 | 0.07 | 72 |
IV.INTR.HHZ. | 2021-04-20T01:58:13.31 | 0.3 | undecidable | manual | P | 33 | 33.2445 | 103 | -0.28 | 68 |
IV.VVLD.HHZ. | 2021-04-20T01:58:12.19 | 0.3 | undecidable | manual | S | 337 | 13.1757 | 120 | 0.13 | 73 |
IV.LRP.EHZ. | 2021-04-20T01:58:12.56 | 0.6 | undecidable | manual | S | 213 | 14.9739 | 117 | -0.03 | 49 |
IT.OPI.HGE. | 2021-04-20T01:58:11.58 | 0.6 | undecidable | manual | S | 81 | 12.0768 | 122 | -0.15 | 49 |
IV.LRP.EHZ. | 2021-04-20T01:58:10.45 | 0.1 | undecidable | manual | P | 213 | 14.9739 | 117 | 0.33 | 93 |
IV.VVLD.HHZ. | 2021-04-20T01:58:10.05 | 0.1 | undecidable | manual | P | 337 | 13.1757 | 120 | 0.23 | 95 |
IT.OPI.HGE. | 2021-04-20T01:58:09.63 | 0.1 | undecidable | manual | P | 81 | 12.0768 | 122 | 0 | 100 |
IV.POFI.HHZ. | 2021-04-20T01:58:09.33 | 0.6 | undecidable | manual | S | 155 | 5.1948 | 146 | -0.65 | 43 |
IV.POFI.HHZ. | 2021-04-20T01:58:08.38 | 0.1 | undecidable | manual | P | 155 | 5.1948 | 146 | -0.23 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VVLD.HHN. | ML:1.1 | 0.00015200000000000004 | 1.12 | AML | other | m | 2021-04-20T01:58:13.01 |
IV.VVLD.HHE. | ML:1.1 | 0.000155 | 1.56 | AML | other | m | 2021-04-20T01:58:13.81 |
IV.LRP.EHE. | ML:0.8 | 0.00006895 | 0.6 | AML | other | m | 2021-04-20T01:58:13.27 |
IV.LRP.EHN. | ML:0.3 | 0.000022 | 1.18 | AML | other | m | 2021-04-20T01:58:16.64 |
IV.INTR.HHE. | ML:1.1 | 0.000060700000000000005 | 0.9 | AML | other | m | 2021-04-20T01:58:19.50 |
IV.INTR.HHN. | ML:1.2 | 0.00007425 | 0.8 | AML | other | m | 2021-04-20T01:58:24.71 |