A magnitude ML 1.1 earthquake occured in region: 7 km N Campotosto (AQ), on
and geographic coordinates (lat, lon) 42.62, 13.39 at 6 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 |
---|---|---|---|---|
Campotosto | AQ | 7 | 542 | 542 |
Amatrice | RI | 8 | 2657 | 3199 |
Cortino | TE | 10 | 656 | 3855 |
Crognaleto | TE | 11 | 1297 | 5152 |
Capitignano | AQ | 13 | 665 | 5817 |
Rocca Santa Maria | TE | 14 | 537 | 6354 |
Fano Adriano | TE | 14 | 296 | 6650 |
Accumoli | RI | 14 | 667 | 7317 |
Montereale | AQ | 16 | 2581 | 9898 |
Valle Castellana | TE | 16 | 977 | 10875 |
Pietracamela | TE | 17 | 271 | 11146 |
Acquasanta Terme | AP | 17 | 2916 | 14062 |
Cittareale | RI | 19 | 482 | 14544 |
Arquata del Tronto | AP | 19 | 1178 | 15722 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-01-31 08:06:12 |
42.62 | 13.39 | 6 | 2021-01-31 08:41:36 |
Sala Sismica INGV-Roma | 86732541 |
Field | Value |
---|---|
Time (UTC) | 2021-01-31 08:06:12 ± 0.31 |
Latitude | 42.62 ± 0.01 |
Longitude | 13.39 ± 0.01 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86732541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 794 |
Semi-minor axis of confidence ellipse (meter) | 629 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 27 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 790 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 160 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21314 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 86732541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-31 08:41:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIGS.HHZ. | 2021-01-31T08:06:21.12 | 0.3 | undecidable | manual | S | 141 | 0.2131 | 104 | -0.17 | 72 |
IV.TERO.HHZ. | 2021-01-31T08:06:19.33 | 0.6 | undecidable | manual | S | 88 | 0.1574 | 108 | 0.08 | 49 |
IV.GIGS.HHZ. | 2021-01-31T08:06:17.53 | 0.1 | undecidable | manual | P | 141 | 0.2131 | 104 | -0.2 | 95 |
IV.TERO.HHZ. | 2021-01-31T08:06:16.62 | 0.3 | undecidable | manual | P | 88 | 0.1574 | 108 | 0.07 | 74 |
IV.CAMP.HHZ. | 2021-01-31T08:06:16.82 | 0.6 | undecidable | manual | S | 170 | 0.0827 | 122 | 0.19 | 49 |
IV.SMA1.EHZ. | 2021-01-31T08:06:15.11 | 0.6 | undecidable | manual | S | 288 | 0.0423 | 141 | -0.31 | 48 |
IV.CAMP.HHZ. | 2021-01-31T08:06:15.21 | 0.1 | undecidable | manual | P | 170 | 0.0827 | 122 | 0.17 | 98 |
IV.SMA1.EHZ. | 2021-01-31T08:06:14.45 | 0.1 | undecidable | manual | P | 288 | 0.0423 | 141 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0 | 0.00025 | 0.26 | AML | other | m | 2021-01-31T08:06:15.60 |
IV.SMA1.EHN. | ML:0 | 0.0001665 | 0.88 | AML | other | m | 2021-01-31T08:06:15.56 |
IV.TERO.HHN. | ML:1.1 | 0.000124 | 0.18 | AML | other | m | 2021-01-31T08:06:19.52 |
IV.TERO.HHE. | ML:1 | 0.000104 | 0.08 | AML | other | m | 2021-01-31T08:06:19.60 |