A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4830, 15.5070 at 133 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 1.8 | 2018-09-18 00:56:33 |
38.4833 | 15.5072 | 133 | 2020-04-13 10:39:35 |
Bollettino Sismico Italiano INGV | 73036141 |
Bulletin Rev1000 |
ML 1.8 | 2018-09-18 00:56:27 |
38.933 | 14.1818 | 10 | 2019-06-04 09:15:55 |
Bollettino Sismico Italiano INGV | 61504631 |
Reviewed Rev100 |
ML 1.8 | 2018-09-18 00:56:32 |
38.4672 | 15.4708 | 136 | 2018-09-18 01:04:45 |
Sala Sismica INGV-Roma | 61051081 |
Field | Value |
---|---|
Time (UTC) | 2018-09-18 00:56:33 ± 0.21 |
Latitude | 38.4833 ± 0.0090 |
Longitude | 15.5072 ± 0.0195 |
Depth (km) | 133 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 73036141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1714 |
Semi-minor axis of confidence ellipse (meter) | 806 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 113 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
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) | 0.21943 |
Epicentral distance of station farthest from the epicenter (degree) | 1.10077 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 61051081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-09-18 01:04:45 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 73036141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-04-13 10:37:31 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 61504631 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-05-15 09:36:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CET2.HHZ. | 2018-09-18T00:57:15.75 | 0.6 | undecidable | manual | S | 18 | 122.1888 | 134 | 0 | 42 |
IV.CAR1.HHZ. | 2018-09-18T00:57:13.10 | 0.3 | undecidable | manual | S | 35 | 104.8173 | 139 | -0.08 | 65 |
MN.CEL.HHZ. | 2018-09-18T00:57:06.34 | 0.3 | undecidable | manual | S | 126 | 41.7249 | 161 | 0.07 | 73 |
IV.MPNC.HHZ. | 2018-09-18T00:57:06.22 | 0.6 | undecidable | manual | S | 200 | 39.7269 | 162 | 0.09 | 49 |
IV.MILZ.HHZ. | 2018-09-18T00:57:05.59 | 0.6 | undecidable | manual | S | 226 | 33.6441 | 165 | -0.17 | 49 |
IV.JOPP.HHZ. | 2018-09-18T00:57:05.97 | 0.6 | undecidable | manual | S | 67 | 35.5422 | 164 | 0.1 | 49 |
IV.MSRU.HHZ. | 2018-09-18T00:57:05.29 | 0.6 | undecidable | manual | S | 180 | 24.3534 | 169 | -0.01 | 51 |
IV.CET2.HHZ. | 2018-09-18T00:56:57.98 | 0.1 | undecidable | manual | P | 18 | 122.1888 | 134 | 0.16 | 82 |
IV.CAR1.HHZ. | 2018-09-18T00:56:56.21 | 0.3 | undecidable | manual | P | 35 | 104.8173 | 139 | -0.13 | 64 |
IV.MPNC.HHZ. | 2018-09-18T00:56:52.74 | 0.3 | undecidable | manual | P | 200 | 39.7269 | 162 | 0.47 | 68 |
MN.CEL.HHZ. | 2018-09-18T00:56:52.25 | 0.3 | undecidable | manual | P | 126 | 41.7249 | 161 | -0.1 | 73 |
IV.JOPP.HHZ. | 2018-09-18T00:56:52.10 | 0.1 | undecidable | manual | P | 67 | 35.5422 | 164 | -0.02 | 100 |
IV.MSRU.HHZ. | 2018-09-18T00:56:51.52 | 0.3 | undecidable | manual | P | 180 | 24.3534 | 169 | -0.27 | 73 |
IV.MILZ.HHZ. | 2018-09-18T00:56:51.92 | 0.3 | undecidable | manual | P | 226 | 33.6441 | 165 | -0.13 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSRU.HHN. | ML:1.6 | 0.000024449999999999998 | 0.76 | AML | other | m | 2018-09-18T00:57:06.26 |
MN.CEL.HHN. | ML:1.4 | 0.0000149 | 0.28 | AML | other | m | 2018-09-18T00:57:06.63 |
IV.MSRU.HHE. | ML:1.7 | 0.0000313 | 1.06 | AML | other | m | 2018-09-18T00:57:07.67 |
IV.JOPP.HHN. | ML:1.8 | 0.00003990000000000001 | 1.12 | AML | other | m | 2018-09-18T00:57:07.25 |
IV.JOPP.HHE. | ML:1.7 | 0.00003245 | 1.04 | AML | other | m | 2018-09-18T00:57:08.02 |
MN.CEL.HHE. | ML:1.5 | 0.000018250000000000003 | 0.26 | AML | other | m | 2018-09-18T00:57:08.62 |
IV.CAR1.HHE. | ML:1.9 | 0.000030449999999999998 | 0.36 | AML | other | m | 2018-09-18T00:57:14.14 |
IV.CAR1.HHN. | ML:1.8 | 0.0000275 | 0.62 | AML | other | m | 2018-09-18T00:57:14.50 |
IV.CET2.HHN. | ML:2.5 | 0.0001189 | 0.34 | AML | other | m | 2018-09-18T00:57:17.01 |
IV.CET2.HHE. | ML:2.2 | 0.000053150000000000004 | 0.34 | AML | other | m | 2018-09-18T00:57:17.26 |