Earthquake with magnitude of ML 1.5 on date 29-10-2020 and time 20:15:55 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 29-10-2020 20:15:55 (UTC)
  • 29-10-2020 21:15:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.55, 13.39 at 7 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km N of Palermo (674435 inhabitants)
53 Km N of Bagheria (55387 inhabitants)
96 Km NE of Trapani (68759 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 1.5 2020-10-29
20:15:55
38.55 13.39 7 2021-02-26
14:56:05
Bollettino Sismico Italiano INGV 84697131
Reviewed
Rev100
ML 1.7 2020-10-29
20:15:56
38.56 13.38 11 2020-10-29
20:31:52
Sala Sismica INGV-Roma 84244331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 20:15:55 ± 0.44
Latitude 38.55 ± 0.04
Longitude 13.39 ± 0.02
Depth (km) 7 ± 6 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84697131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3769
Semi-minor axis of confidence ellipse (meter) 1488
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 3770
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 1.07559
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 84244331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 20:31:52

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84697131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 12:03:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-10-29T20:17:44.88 3.0 undecidable manual Sn -0.08 0
IV.MTMR.EHZ. 2020-10-29T20:17:01.05 3.0 undecidable manual Sn 0.02 0
IV.CSLB.HHZ. 2020-10-29T20:16:23.70 0.6 undecidable manual S 139 0.8067 50 0.65 38
IV.ERC.EHE. 2020-10-29T20:16:23.05 0.6 undecidable manual S 231 0.8094 50 -0.08 44
IV.SCIAR.HNE. 2020-10-29T20:16:20.43 0.6 undecidable manual S 155 0.6709 50 1.39 28
IV.MBFT.HHZ. 2020-10-29T20:16:20.39 0.6 undecidable manual S 210 0.6916 50 0.73 38
IV.MSFR.HHZ. 2020-10-29T20:16:15.43 0.3 undecidable manual P 118 1.0756 50 -0.75 52
IV.IFIL.HHE. 2020-10-29T20:16:13.70 0.3 undecidable manual P 89 0.929 50 0.04 65
IV.CSLB.HHZ. 2020-10-29T20:16:11.25 0.3 undecidable manual P 139 0.8067 50 -0.32 63
IV.PLLN.EHN. 2020-10-29T20:16:11.81 0.3 undecidable manual P 133 0.813 50 0.13 66
IV.ERC.EHE. 2020-10-29T20:16:10.86 0.3 undecidable manual P 231 0.8094 50 -0.76 55
IV.GIB.HHE. 2020-10-29T20:16:10.86 0.3 undecidable manual P 138 0.75 50 0.25 65
IV.MBFT.HHZ. 2020-10-29T20:16:10.33 0.3 undecidable manual P 210 0.6916 50 0.72 57
IV.IACL.HHZ. 2020-10-29T20:16:10.52 0.3 undecidable manual P 91 0.7563 50 -0.2 65
IV.SCIAR.HNE. 2020-10-29T20:16:09.82 0.3 undecidable manual P 155 0.6709 50 0.56 61
IV.MPG.HHZ. 2020-10-29T20:16:09.61 0.6 undecidable manual S 183 0.3876 50 -1.03 35
IV.USI.HHZ. 2020-10-29T20:16:05.36 0.6 undecidable manual S 314 0.2275 106 0.34 47
IV.MPG.HHZ. 2020-10-29T20:16:02.87 0.3 undecidable manual P 183 0.3876 50 -1.54 40
IV.USI.HHZ. 2020-10-29T20:16:01.22 0.1 negative manual P 314 0.2275 106 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHN. ML:2.1 0.00074906385 0.1664 AML other m 2020-10-29T20:16:07.06
IV.USI.HHE. ML:1.7 0.00028376015 0.7424 AML other m 2020-10-29T20:16:07.06
IV.MBFT.HHE. ML:1.4 3.614986E-5 0.3072 AML other m 2020-10-29T20:16:21.47
IV.MBFT.HHN. ML:1.6 5.6625655E-5 0.3968 AML other m 2020-10-29T20:16:22.70
IV.CSLB.HHN. ML:1.2 2.1268495E-5 1.2416 AML other m 2020-10-29T20:16:25.40
IV.CSLB.HHE. ML:1.4 2.9348635E-5 0.9728 AML other m 2020-10-29T20:16:26.89
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download