A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5800, 12.3860 at 32 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 | 2018-01-30 23:29:14 |
38.5797 | 12.3863 | 32 | 2019-04-24 14:49:33 |
Bollettino Sismico Italiano INGV | 56999381 |
Reviewed Rev100 |
ML 2.1 | 2018-01-30 23:29:15 |
38.5455 | 12.4573 | 32 | 2018-01-31 00:01:19 |
Sala Sismica INGV-Roma | 53565271 |
Field | Value |
---|---|
Time (UTC) | 2018-01-30 23:29:14 ± 0.22 |
Latitude | 38.5797 ± 0.0090 |
Longitude | 12.3863 ± 0.0127 |
Depth (km) | 32 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 56999381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1389 |
Semi-minor axis of confidence ellipse (meter) | 153 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 313 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 268 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.54863 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 56999381 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-07-08 00:16:30 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 53565271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-01-31 00:01:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.STV.HHZ. | 2018-01-30T23:30:55.10 | 3.0 | positive | manual | Pn | 0.76 | 0 | |||
IV.SOLUN.HHZ. | 2018-01-30T23:29:46.90 | 0.6 | undecidable | manual | S | 118 | 113.4975 | 54 | -0.12 | 45 |
IV.CORL.HHZ. | 2018-01-30T23:29:46.56 | 0.6 | undecidable | manual | S | 133 | 110.3118 | 54 | 0.22 | 46 |
IV.CRJA.HHZ. | 2018-01-30T23:29:44.55 | 0.3 | undecidable | manual | S | 148 | 101.7204 | 54 | 0.05 | 72 |
IV.MARS.EHZ. | 2018-01-30T23:29:42.86 | 0.6 | undecidable | manual | S | 170 | 92.9403 | 105 | 0.47 | 45 |
IV.PETRA.HHZ. | 2018-01-30T23:29:40.21 | 0.6 | undecidable | manual | P | 118 | 171.8946 | 54 | -0.29 | 37 |
IV.PLLN.EHZ. | 2018-01-30T23:29:39.55 | 0.6 | undecidable | manual | P | 113 | 166.2114 | 54 | -0.25 | 38 |
IV.ALJA.HHZ. | 2018-01-30T23:29:37.49 | 0.6 | undecidable | manual | P | 127 | 150.738 | 54 | -0.37 | 40 |
IV.USI.HHZ. | 2018-01-30T23:29:36.60 | 0.3 | undecidable | manual | S | 78 | 70.1742 | 110 | 0.05 | 75 |
MN.CLTB.HHZ. | 2018-01-30T23:29:35.85 | 1.0 | undecidable | manual | P | 147 | 132.6672 | 54 | 0.24 | 21 |
IV.ERC.EHZ. | 2018-01-30T23:29:34.47 | 0.3 | undecidable | manual | S | 164 | 62.5929 | 112 | -0.21 | 73 |
IV.SOLUN.HHZ. | 2018-01-30T23:29:33.17 | 1.0 | undecidable | manual | P | 118 | 113.4975 | 54 | -0.06 | 23 |
IV.MMGO.HHZ. | 2018-01-30T23:29:33.35 | 0.6 | undecidable | manual | P | 153 | 114.0969 | 54 | 0.04 | 46 |
IV.CRJA.HHZ. | 2018-01-30T23:29:32.00 | 0.6 | undecidable | manual | P | 148 | 101.7204 | 54 | 0.23 | 45 |
IV.CAVT.HHZ. | 2018-01-30T23:29:32.44 | 0.6 | undecidable | manual | P | 162 | 105.0171 | 54 | 0.26 | 45 |
IV.CORL.HHZ. | 2018-01-30T23:29:32.69 | 0.6 | undecidable | manual | P | 133 | 110.3118 | 54 | -0.15 | 46 |
IV.MARS.EHZ. | 2018-01-30T23:29:31.01 | 1.0 | undecidable | manual | P | 170 | 92.9403 | 105 | 0.45 | 22 |
IV.USI.HHZ. | 2018-01-30T23:29:27.21 | 0.6 | undecidable | manual | P | 78 | 70.1742 | 110 | 0.03 | 50 |
IV.ERC.EHZ. | 2018-01-30T23:29:25.94 | 0.1 | undecidable | manual | P | 164 | 62.5929 | 112 | -0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.USI.HHE. | ML:2.2 | 0.00023795640000000002 | 0.3712 | AML | other | m | 2018-01-30T23:29:37.22 |
IV.USI.HHN. | ML:2.5 | 0.0005243153999999999 | 0.4224 | AML | other | m | 2018-01-30T23:29:41.83 |
IV.CRJA.HHN. | ML:1.7 | 0.000051940835 | 0.5248 | AML | other | m | 2018-01-30T23:29:49.66 |
IV.CRJA.HHE. | ML:2.0 | 0.000085208555 | 1.1296 | AML | other | m | 2018-01-30T23:29:57.84 |