Earthquake with magnitude of ML 2.3 on date 27-04-2021 and time 02:48:15 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 27-04-2021 02:48:15 (UTC)
  • 27-04-2021 04:48:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5780, 12.4370 at 26 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
63 Km N of Trapani (68759 inhabitants)
87 Km N of Marsala (83194 inhabitants)
96 Km NW of Palermo (674435 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 2.3 2021-04-27
02:48:15
38.5785 12.4368 26 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89628651
Reviewed
Rev100
ML 2.3 2021-04-27
02:48:13
38.6335 12.329 11 2021-04-27
03:02:48
Sala Sismica INGV-Roma 89512711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-27 02:48:15 ± 0.31
Latitude 38.5785 ± 0.0171
Longitude 12.4368 ± 0.0265
Depth (km) 26 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89628651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1993
Semi-minor axis of confidence ellipse (meter) 1900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1990.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.57121
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 89628651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-12 00:06:05

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 89512711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-27 03:02:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HNZ. 2021-04-27T02:50:03.00 3.0 negative manual P 1.335 0
IV.SACR.HHZ. 2021-04-27T02:50:00.55 3.0 undecidable manual Sg 15.91 0
IV.BRSN.EHZ. 2021-04-27T02:49:42.18 3.0 positive manual P 2.14 0
IV.MTTG.HHZ. 2021-04-27T02:49:29.86 3.0 undecidable manual Sn -1.72 0
IV.NARO.HHZ. 2021-04-27T02:49:29.29 3.0 negative manual P -1.41 0
OT.OT13.EHZ. 2021-04-27T02:49:25.87 3.0 positive manual P 3.97 0
OT.OT16.EHZ. 2021-04-27T02:49:21.13 3.0 negative manual P 6.2 0
IV.AGLI.HHZ. 2021-04-27T02:49:11.63 1.0 undecidable manual P 317 396.4032 54 1.69 3
IX.STN3.HNZ.01 2021-04-27T02:49:05.02 3.0 undecidable manual P -0.26 0
IV.VIVA.HHZ. 2021-04-27T02:49:00.91 3.0 negative manual P -4.27 0
MN.VSL.HHZ. 2021-04-27T02:48:56.42 0.3 undecidable manual P 292 282.5061 54 0.66 22
IV.ECTS.HHZ. 2021-04-27T02:48:52.41 1.0 undecidable manual P 107 246.3645 54 1.15 8
IV.MTGR.HHZ. 2021-04-27T02:48:40.20 0.3 undecidable manual S 160 81.0522 102 0.38 68
IV.CSLB.HHZ. 2021-04-27T02:48:39.13 0.6 undecidable manual P 116 158.1195 54 -1.15 28
MN.CLTB.HHN. 2021-04-27T02:48:37.33 1.0 undecidable manual P 148 130.1697 54 0.52 20
IV.USI.HHZ. 2021-04-27T02:48:36.30 0.3 undecidable manual S 77 65.8896 105 0.4 68
IV.SCIAC.HHN. 2021-04-27T02:48:36.85 1.0 undecidable manual P 154 131.3685 54 -0.1 22
IV.LEVAN.EHZ. 2021-04-27T02:48:35.70 0.6 undecidable manual S 187 65.5899 105 -0.12 49
IV.ERC.EHE. 2021-04-27T02:48:35.20 1.0 undecidable manual S 168 61.3941 107 0.46 23
IV.MMGO.HHZ. 2021-04-27T02:48:34.58 0.1 undecidable manual P 155 112.0989 98 0.41 84
IV.CORL.HHE. 2021-04-27T02:48:33.27 0.6 undecidable manual P 135 107.115 99 -0.15 45
IV.CRJA.HHZ. 2021-04-27T02:48:33.41 1.0 undecidable manual P 150 99.3228 100 1.17 16
IV.SOLUN.HHZ. 2021-04-27T02:48:33.55 0.3 undecidable manual P 119 109.6125 99 -0.24 66
IV.MARS.EHE. 2021-04-27T02:48:32.66 1.0 undecidable manual P 173 92.241 100 1.5 13
IV.MPG.HHE. 2021-04-27T02:48:30.61 0.3 undecidable manual P 120 92.6406 100 -0.61 63
IV.MTGR.HHZ. 2021-04-27T02:48:29.70 0.6 undecidable manual P 160 81.0522 102 0.23 46
IV.MBFT.HHZ. 2021-04-27T02:48:29.90 0.1 undecidable manual P 147 83.3499 102 0.09 95
IV.USI.HHZ. 2021-04-27T02:48:27.10 0.1 undecidable manual P 77 65.8896 105 -0.1 100
IV.LEVAN.EHZ. 2021-04-27T02:48:26.61 0.1 undecidable manual P 187 65.5899 105 -0.55 90
IV.ERC.EHE. 2021-04-27T02:48:25.65 0.6 undecidable manual P 168 61.3941 107 -0.88 39
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.USI.HHE. ML:2.9 0.0013929109 0.2208 AML other m 2021-04-27T02:48:38.17
IV.LEVAN.EHE. ML:2.4 0.0004615 0.32 AML other m 2021-04-27T02:48:38.34
IV.LEVAN.EHN. ML:2.4 0.0004290635 0.3008 AML other m 2021-04-27T02:48:38.27
IV.USI.HHN. ML:3.4 0.0038399999999999997 0.2 AML other m 2021-04-27T02:48:38.25
IV.MBFT.HHN. ML:2.2 0.00019839725 0.8592 AML other m 2021-04-27T02:48:40.37
IV.MTGR.HHE. ML:2.1 0.00016698564999999998 0.3008 AML other m 2021-04-27T02:48:41.02
IV.MBFT.HHE. ML:2.2 0.0001942627 1.4608 AML other m 2021-04-27T02:48:42.03
IV.MTGR.HHN. ML:2.5 0.000397 1.68 AML other m 2021-04-27T02:48:42.84
IV.SOLUN.HHN. ML:2.4 0.00021850000000000003 0.5 AML other m 2021-04-27T02:48:49.23
IV.CRJA.HHN. ML:2.5 0.00027589625 0.4192 AML other m 2021-04-27T02:48:50.45
IV.MMGO.HHE. ML:2.0 0.00008160327 1.6208 AML other m 2021-04-27T02:48:52.93
IV.MMGO.HNE. ML:2.0 0.00009110546 1.6096 AML other m 2021-04-27T02:48:52.93
IV.SOLUN.HHE. ML:2.4 0.00019977354999999998 0.72 AML other m 2021-04-27T02:48:55.46
IV.MMGO.HHN. ML:2.0 0.00009000442999999999 1.6 AML other m 2021-04-27T02:48:56.05
IV.MMGO.HNN. ML:2.1 0.00011008139999999999 1.5904 AML other m 2021-04-27T02:48:56.85
IV.CRJA.HHE. ML:2.4 0.00027176755 0.96 AML other m 2021-04-27T02:48:57.40
IV.CSLB.HHN. ML:2.0 0.000046748765 1.16 AML other m 2021-04-27T02:49:02.84
IV.CSLB.HHE. ML:1.9 0.000036127520000000004 1.4608 AML other m 2021-04-27T02:49:10.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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