A magnitude ML 1.6 earthquake occured in region: 3 km E Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6420, 13.3240 at 14 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 |
---|---|---|---|---|
Amatrice | RI | 3 | 2657 | 2657 |
Accumoli | RI | 9 | 667 | 3324 |
Campotosto | AQ | 10 | 542 | 3866 |
Cittareale | RI | 14 | 482 | 4348 |
Capitignano | AQ | 14 | 665 | 5013 |
Montereale | AQ | 15 | 2581 | 7594 |
Arquata del Tronto | AP | 15 | 1178 | 8772 |
Cortino | TE | 15 | 656 | 9428 |
Acquasanta Terme | AP | 16 | 2916 | 12344 |
Crognaleto | TE | 17 | 1297 | 13641 |
Rocca Santa Maria | TE | 17 | 537 | 14178 |
Valle Castellana | TE | 18 | 977 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-12-27 01:31:14 |
42.6423 | 13.3235 | 14 | 2021-02-26 14:56:14 |
Bollettino Sismico Italiano INGV | 86041511 |
Reviewed Rev100 |
ML 1.6 | 2020-12-27 01:31:14 |
42.6433 | 13.3227 | 13 | 2020-12-27 01:40:57 |
Sala Sismica INGV-Roma | 85743671 |
Field | Value |
---|---|
Time (UTC) | 2020-12-27 01:31:14 ± 0.07 |
Latitude | 42.6423 ± 0.0027 |
Longitude | 13.3235 ± 0.0061 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86041511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 405 |
Semi-minor axis of confidence ellipse (meter) | 270 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 244 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 70 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.01439 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47484 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 86041511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-06 02:40:23 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 85743671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-27 01:40:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHE. | 2020-12-27T01:31:30.76 | 0.6 | undecidable | manual | S | 320 | 52.7028 | 95 | 0.03 | 46 |
IV.FDMO.HHN. | 2020-12-27T01:31:29.69 | 0.6 | undecidable | manual | S | 336 | 47.7189 | 95 | 0.28 | 44 |
IV.FIAM.HHE. | 2020-12-27T01:31:28.40 | 0.6 | undecidable | manual | S | 202 | 44.8218 | 96 | -0.24 | 45 |
IV.MF5.EHE. | 2020-12-27T01:31:28.20 | 0.6 | undecidable | manual | S | 16 | 39.9267 | 97 | 0.87 | 36 |
IV.GAVE.EHZ. | 2020-12-27T01:31:25.90 | 0.3 | undecidable | manual | S | 279 | 35.4423 | 98 | -0.25 | 68 |
IV.MC2.EHE. | 2020-12-27T01:31:25.40 | 0.6 | undecidable | manual | S | 340 | 31.746 | 100 | 0.21 | 46 |
IV.GIGS.HHE. | 2020-12-27T01:31:24.30 | 0.3 | undecidable | manual | S | 136 | 29.2485 | 101 | -0.22 | 70 |
IV.MMO1.HNN. | 2020-12-27T01:31:24.10 | 0.3 | undecidable | manual | S | 1 | 28.5492 | 102 | -0.23 | 70 |
IV.FIAM.HHE. | 2020-12-27T01:31:23.05 | 0.6 | undecidable | manual | P | 202 | 44.8218 | 96 | 0.53 | 43 |
IV.NRCA.HHZ. | 2020-12-27T01:31:23.60 | 0.3 | undecidable | manual | S | 321 | 27.2505 | 103 | -0.39 | 68 |
IV.CESI.HHE. | 2020-12-27T01:31:23.64 | 0.6 | undecidable | manual | P | 320 | 52.7028 | 95 | -0.09 | 46 |
IV.FDMO.HHN. | 2020-12-27T01:31:22.83 | 0.3 | undecidable | manual | P | 336 | 47.7189 | 95 | -0.14 | 69 |
IV.TERO.HHZ. | 2020-12-27T01:31:22.70 | 0.3 | undecidable | manual | S | 95 | 22.9548 | 107 | -0.2 | 71 |
IV.GUMA.HNN. | 2020-12-27T01:31:22.70 | 0.6 | undecidable | manual | P | 1 | 46.62 | 96 | -0.1 | 46 |
IV.MF5.EHE. | 2020-12-27T01:31:22.21 | 0.3 | undecidable | manual | P | 16 | 39.9267 | 97 | 0.44 | 65 |
IV.LNSS.HHZ. | 2020-12-27T01:31:22.90 | 0.6 | undecidable | manual | S | 259 | 23.5542 | 106 | -0.14 | 47 |
MN.AQU.HNN. | 2020-12-27T01:31:21.05 | 0.6 | undecidable | manual | P | 168 | 32.6451 | 100 | 0.38 | 45 |
IV.GIGS.HHE. | 2020-12-27T01:31:20.12 | 0.3 | undecidable | manual | P | 136 | 29.2485 | 101 | -0.03 | 73 |
IV.MTRA.EHZ. | 2020-12-27T01:31:20.30 | 0.3 | undecidable | manual | S | 25 | 13.9749 | 124 | -0.43 | 69 |
IV.GAVE.EHZ. | 2020-12-27T01:31:20.99 | 0.3 | undecidable | manual | P | 279 | 35.4423 | 98 | -0.1 | 71 |
IV.MC2.EHE. | 2020-12-27T01:31:20.74 | 0.6 | undecidable | manual | P | 340 | 31.746 | 100 | 0.21 | 46 |
IV.CAMP.HHE. | 2020-12-27T01:31:20.60 | 0.3 | undecidable | manual | S | 149 | 13.7751 | 125 | -0.06 | 74 |
IV.NRCA.HHZ. | 2020-12-27T01:31:19.74 | 0.3 | undecidable | manual | P | 321 | 27.2505 | 103 | -0.1 | 72 |
IV.T1299.EHZ. | 2020-12-27T01:31:19.10 | 0.3 | undecidable | manual | S | 255 | 3.4965 | 163 | 0.06 | 75 |
IV.LNSS.HHZ. | 2020-12-27T01:31:19.38 | 0.3 | undecidable | manual | P | 259 | 23.5542 | 106 | 0.09 | 73 |
IV.MMO1.HNN. | 2020-12-27T01:31:19.92 | 0.1 | undecidable | manual | P | 1 | 28.5492 | 102 | -0.11 | 96 |
IV.TERO.HHZ. | 2020-12-27T01:31:19.20 | 0.3 | undecidable | manual | P | 95 | 22.9548 | 107 | -0.01 | 74 |
IV.CAMP.HHE. | 2020-12-27T01:31:18.08 | 0.3 | undecidable | manual | P | 149 | 13.7751 | 125 | 0.16 | 73 |
IV.SMA1.EHZ. | 2020-12-27T01:31:18.70 | 0.3 | undecidable | manual | S | 144 | 1.5984 | 172 | -0.23 | 73 |
IV.T1299.EHZ. | 2020-12-27T01:31:17.23 | 0.1 | undecidable | manual | P | 255 | 3.4965 | 163 | 0.25 | 97 |
IV.SMA1.EHZ. | 2020-12-27T01:31:17.13 | 0.1 | undecidable | manual | P | 144 | 1.5984 | 172 | 0.21 | 98 |
IV.MTRA.EHZ. | 2020-12-27T01:31:17.93 | 0.1 | undecidable | manual | P | 25 | 13.9749 | 124 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHN. | ML:1.6 | 0.0005405 | 0.18 | AML | other | m | 2020-12-27T01:31:19.11 |
IV.SMA1.EHE. | ML:2.0 | 0.0011600000000000002 | 0.2 | AML | other | m | 2020-12-27T01:31:19.21 |
IV.MTRA.HNE. | ML:1.6 | 0.00034050000000000004 | 0.36 | AML | other | m | 2020-12-27T01:31:20.49 |
IV.MTRA.EHN. | ML:1.7 | 0.00042100000000000004 | 0.48 | AML | other | m | 2020-12-27T01:31:20.71 |
IV.MTRA.HNN. | ML:1.7 | 0.000383 | 0.5 | AML | other | m | 2020-12-27T01:31:20.72 |
IV.MTRA.EHE. | ML:1.6 | 0.000316 | 0.38 | AML | other | m | 2020-12-27T01:31:21.55 |
IV.TERO.HHN. | ML:1.6 | 0.00023299999999999997 | 0.06 | AML | other | m | 2020-12-27T01:31:22.81 |
IV.TERO.HHE. | ML:1.5 | 0.00017400000000000003 | 0.36 | AML | other | m | 2020-12-27T01:31:22.99 |
IV.LNSS.HHE. | ML:1.5 | 0.00017549999999999998 | 0.36 | AML | other | m | 2020-12-27T01:31:23.38 |
IV.LNSS.HHN. | ML:1.5 | 0.0001955 | 1.3 | AML | other | m | 2020-12-27T01:31:23.19 |
IV.NRCA.HHN. | ML:1.6 | 0.00022250000000000001 | 0.1 | AML | other | m | 2020-12-27T01:31:24.23 |
IV.NRCA.HHE. | ML:1.6 | 0.00020750000000000003 | 0.12 | AML | other | m | 2020-12-27T01:31:24.29 |
IV.GAVE.EHE. | ML:1.7 | 0.000175 | 0.3 | AML | other | m | 2020-12-27T01:31:26.80 |
IV.GAVE.EHN. | ML:1.6 | 0.00015884999999999999 | 0.88 | AML | other | m | 2020-12-27T01:31:27.52 |
IV.TERO.HNE. | ML:1.6 | 0.00021303065 | 0.08 | AML | other | m | 2020-12-27T01:31:22.98 |
IV.TERO.HNN. | ML:1.6 | 0.00023587096 | 0.0704 | AML | other | m | 2020-12-27T01:31:22.81 |
IV.LNSS.HNE. | ML:1.5 | 0.00016253088500000002 | 0.1504 | AML | other | m | 2020-12-27T01:31:23.39 |
IV.LNSS.HNN. | ML:1.4 | 0.00014955585 | 0.1704 | AML | other | m | 2020-12-27T01:31:24.01 |
IV.NRCA.HNN. | ML:1.6 | 0.00019248075 | 0.1 | AML | other | m | 2020-12-27T01:31:24.23 |
IV.GAVE.HNE. | ML:1.7 | 0.00020661675000000003 | 0.5 | AML | other | m | 2020-12-27T01:31:26.98 |