Earthquake with magnitude of ML 2.5 on date 02-04-2021 and time 11:18:24 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 2.5 earthquake occured in region: Adriatico Centrale (MARE), on

  • 02-04-2021 09:18:24 (UTC)
  • 02-04-2021 11:18:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6620, 16.1760 at 10 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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.5 2021-04-02
09:18:24
42.6615 16.1762 10 2021-07-12
16:55:16
Bollettino Sismico Italiano INGV 91498581
Reviewed
Rev100
ML 2.6 2021-04-02
09:18:24
42.6658 16.1685 10 2021-04-02
09:27:02
Sala Sismica INGV-Roma 88704551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-02 09:18:24 ± 0.39
Latitude 42.6615 ± 0.0198
Longitude 16.1762 ± 0.0342
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91498581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2850
Semi-minor axis of confidence ellipse (meter) 2060
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 2850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 316
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.49557
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 88704551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-02 09:27:02

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 91498581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 13:53:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-04-02T09:20:19.66 3.0 undecidable manual Sg 14.46 0
IV.MILN.HNZ. 2021-04-02T09:20:08.25 3.0 undecidable manual Pg 6.67 0
IV.CADC.HNZ. 2021-04-02T09:20:06.88 3.0 positive manual Pg 12.74 0
IV.SPS2.HHZ. 2021-04-02T09:20:03.60 3.0 undecidable manual Sg 5.78 0
IV.PIPA.HHZ. 2021-04-02T09:19:56.50 3.0 undecidable manual Sn 1.98 0
GU.GRAM.HHZ. 2021-04-02T09:19:55.47 3.0 positive manual Pg 7.58 0
IV.FOSV.EHZ. 2021-04-02T09:19:55.40 3.0 undecidable manual Sg 4.76 0
IV.ESCV.HHZ. 2021-04-02T09:19:50.93 3.0 negative manual Pg 8.01 0
GU.GSCL.HHZ. 2021-04-02T09:19:49.03 3.0 undecidable manual Pg 6.61 0
IV.TDS.HHZ. 2021-04-02T09:19:47.60 3.0 undecidable manual Sn -1.25 0
IV.ZEN8.EHZ. 2021-04-02T09:19:46.86 3.0 undecidable manual Pn -4.21 0
IV.RMP.HHZ. 2021-04-02T09:19:42.65 3.0 undecidable manual Sn -4.52 0
CR.ZAG.BHZ. 2021-04-02T09:19:24.96 3.0 negative manual Pg -5.57 0
IV.MTMR.EHZ. 2021-04-02T09:19:23.27 3.0 undecidable manual Sn 0.61 0
IV.SNAL.HHZ. 2021-04-02T09:18:58.51 3.0 undecidable manual Pg -1.37 0
OT.OT05.EHZ. 2021-04-02T09:18:58.72 0.3 undecidable manual S 203 120.7902 50 -0.42 87
IV.MSAG.HHZ. 2021-04-02T09:18:55.65 0.6 undecidable manual S 192 107.6145 50 0.03 65
IV.SGRT.HHZ. 2021-04-02T09:18:55.22 0.3 undecidable manual S 200 106.7154 50 -0.16 94
IV.MRVN.HHZ. 2021-04-02T09:18:52.31 3.0 negative manual Pn -4.09 0
IV.MOCO.HNE. 2021-04-02T09:18:52.12 0.6 undecidable manual P 211 166.0116 50 0.78 44
IV.CIGN.HHN. 2021-04-02T09:18:50.24 0.6 undecidable manual P 224 153.0357 50 0.9 45
OT.OT14.EHZ. 2021-04-02T09:18:50.82 0.3 undecidable manual S 195 87.6456 50 0.52 91
IV.TREM.HHZ. 2021-04-02T09:18:48.61 0.3 undecidable manual S 223 80.8635 50 0.11 100
IV.MELA.HHZ. 2021-04-02T09:18:47.60 0.3 undecidable manual P 219 136.6632 50 0.78 73
OT.OT05.EHZ. 2021-04-02T09:18:44.02 0.3 undecidable manual P 203 120.7902 50 -0.35 88
OT.OT07.EHE. 2021-04-02T09:18:44.08 0.3 undecidable manual P 198 121.3896 50 -0.38 87
OT.OT03.EHE. 2021-04-02T09:18:43.56 0.3 undecidable manual P 203 113.7972 50 0.26 91
OT.OT12.EHZ. 2021-04-02T09:18:43.90 0.3 undecidable manual P 191 116.2947 50 0.21 92
IV.APRC.HHZ. 2021-04-02T09:18:43.10 0.6 undecidable manual P 208 112.998 50 -0.07 63
OT.OT06.EHZ. 2021-04-02T09:18:43.64 0.3 undecidable manual P 204 118.3926 50 -0.36 88
OT.OT04.EHE. 2021-04-02T09:18:42.88 0.3 undecidable manual P 205 115.3956 50 -0.66 81
IV.MSAG.HHZ. 2021-04-02T09:18:42.50 0.3 undecidable manual P 192 107.6145 50 0.16 94
IV.SGRT.HHZ. 2021-04-02T09:18:41.88 0.3 undecidable manual P 200 106.7154 50 -0.32 91
OT.OT13.EHE. 2021-04-02T09:18:39.48 1.0 undecidable manual P 180 86.6466 50 0.38 31
OT.OT14.EHZ. 2021-04-02T09:18:39.52 0.3 undecidable manual P 195 87.6456 50 0.25 96
IV.TREM.HHZ. 2021-04-02T09:18:37.67 0.3 undecidable manual P 223 80.8635 50 -0.56 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TREM.HNN. ML:2.6 0.000616 0.48 AML other m 2021-04-02T09:18:51.16
IV.TREM.HHN. ML:2.6 0.0005815 0.48 AML other m 2021-04-02T09:18:51.40
IV.TREM.HHE. ML:2.6 0.0005660000000000001 0.52 AML other m 2021-04-02T09:18:51.55
IV.TREM.HNE. ML:2.6 0.0005795 0.48 AML other m 2021-04-02T09:18:51.54
IV.SGRT.HHN. ML:2.6 0.000367 1.52 AML other m 2021-04-02T09:18:57.18
IV.SGRT.HHE. ML:2.6 0.00038 0.3 AML other m 2021-04-02T09:18:57.19
IV.APRC.HHE. ML:2.6 0.000333 0.54 AML other m 2021-04-02T09:18:59.52
IV.MSAG.HHN. ML:2.4 0.00022700000000000002 0.26 AML other m 2021-04-02T09:18:59.15
IV.APRC.HHN. ML:2.8 0.0005064999999999999 0.28 AML other m 2021-04-02T09:18:59.57
IV.MSAG.HHE. ML:2.0 0.0000956 1.12 AML other m 2021-04-02T09:18:59.17
OT.OT05.EHN. ML:2.6 0.00027350000000000003 1.16 AML other m 2021-04-02T09:19:00.74
OT.OT12.EHN. ML:2.5 0.00026250000000000004 0.54 AML other m 2021-04-02T09:19:00.22
OT.OT12.EHE. ML:2.2 0.0001133 0.96 AML other m 2021-04-02T09:19:01.88
IV.MELA.HHE. ML:2.9 0.0004745 0.42 AML other m 2021-04-02T09:19:05.08
OT.OT05.EHE. ML:2.4 0.00019700000000000002 0.42 AML other m 2021-04-02T09:19:05.83
IV.MELA.HHN. ML:2.7 0.000304 1.18 AML other m 2021-04-02T09:19:05.64
IV.MRVN.HHE. ML:2.0 0.000039699999999999996 0.64 AML other m 2021-04-02T09:19:19.28
IV.MRVN.HHN. ML:1.9 0.00002945 0.42 AML other m 2021-04-02T09:19:22.87
IV.SNAL.HHN. ML:2.3 0.00005435 0.7 AML other m 2021-04-02T09:19:28.89
IV.SNAL.HHE. ML:2.4 0.0000662 0.9 AML other m 2021-04-02T09:19:31.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download