A magnitude ML 2.1 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on
and geographic coordinates (lat, lon) 38.7450, 15.6640 at 162 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2017-04-22 19:21:51 |
38.7448 | 15.664 | 163 | 2018-01-10 09:56:15 |
Bollettino Sismico Italiano INGV | 50911181 |
Reviewed Rev100 |
Md 2.2 | 2017-04-22 19:21:50 |
38.7317 | 15.6337 | 162 | 2017-04-22 19:43:48 |
Sala Sismica INGV-Roma | 44235721 |
Field | Value |
---|---|
Time (UTC) | 2017-04-22 19:21:51 ± 0.26 |
Latitude | 38.7448 ± 0.0126 |
Longitude | 15.6640 ± 0.0461 |
Depth (km) | 163 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 50911181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3975 |
Semi-minor axis of confidence ellipse (meter) | 564 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3970.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 187 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
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) | 0.22123 |
Epicentral distance of station farthest from the epicenter (degree) | 1.25365 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 50911181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2017-10-23 11:21:33 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.4 |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 44235721 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-04-22 19:43:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.CUC.HHZ. | 2017-04-22T19:22:40.80 | 0.3 | undecidable | manual | S | 5 | 139.1607 | 137 | 0.27 | 58 |
IV.CET2.HHZ. | 2017-04-22T19:22:34.24 | 0.3 | undecidable | manual | S | 16 | 90.4428 | 149 | 0.06 | 67 |
IV.PLAC.HHZ. | 2017-04-22T19:22:32.58 | 0.1 | undecidable | manual | S | 116 | 74.6697 | 154 | 0.02 | 93 |
IV.CAR1.HHZ. | 2017-04-22T19:22:32.58 | 0.3 | undecidable | manual | S | 40 | 73.5708 | 154 | 0.13 | 68 |
IV.JOPP.HHZ. | 2017-04-22T19:22:28.96 | 0.3 | undecidable | manual | S | 129 | 24.5532 | 171 | -0.28 | 73 |
MN.CUC.HHZ. | 2017-04-22T19:22:19.38 | 0.1 | undecidable | manual | P | 5 | 139.1607 | 137 | -0.22 | 78 |
IV.CET2.HHZ. | 2017-04-22T19:22:15.95 | 0.1 | positive | manual | P | 16 | 90.4428 | 149 | 0.01 | 90 |
IV.PLAC.HHZ. | 2017-04-22T19:22:15.07 | 0.1 | negative | manual | P | 116 | 74.6697 | 154 | 0.07 | 92 |
IV.MTTG.HHN. | 2017-04-22T19:22:15.85 | 0.3 | undecidable | manual | P | 178 | 82.3509 | 151 | 0.41 | 63 |
IV.CAR1.HHZ. | 2017-04-22T19:22:14.75 | 0.1 | negative | manual | P | 40 | 73.5708 | 154 | -0.19 | 90 |
IV.JOPP.HHZ. | 2017-04-22T19:22:12.98 | 0.1 | negative | manual | P | 129 | 24.5532 | 171 | -0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.JOPP.HHN. | ML:2.1 | 0.000060582210000000005 | 1.28 | AML | other | m | 2017-04-22T19:22:30.49 |
IV.CET2.HHE. | ML:2.1 | 0.00004272642 | 6.656 | AML | other | m | 2017-04-22T19:22:34.97 |
IV.CAR1.HHN. | ML:2.0 | 0.000036255814999999994 | 17.4208 | AML | other | m | 2017-04-22T19:22:27.43 |
IV.PLAC.HHE. | ML:2.1 | 0.00004424886 | 1.4976 | AML | other | m | 2017-04-22T19:22:36.77 |