Earthquake with magnitude of ML 2.5 on date 28-09-2021 and time 05:48:29 (Italy) in region Adriatico Centrale (MARE)

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

  • 28-09-2021 03:48:29 (UTC)
  • 28-09-2021 05:48:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6680, 16.2000 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 2021-09-28
03:48:29
42.6682 16.2003 11 2022-03-30
13:04:08
Bollettino Sismico Italiano INGV 96200881
Reviewed
Rev100
ML 2.4 2021-09-28
03:48:31
42.5795 16.1007 7 2021-09-28
04:02:06
Sala Sismica INGV-Roma 95972781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-28 03:48:29 ± 0.38
Latitude 42.6682 ± 0.0198
Longitude 16.2003 ± 0.0318
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96200881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2690
Semi-minor axis of confidence ellipse (meter) 2050
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 292
Circular confidence region, given by single value of horizontal uncertainty (meter) 2690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.98570
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 96200881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-08 13:40:53

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 95972781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-28 04:02:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HVZN.HHZ. 2021-09-28T03:50:11.40 3.0 negative manual Pg 17.67 0
IV.ECTS.HHZ. 2021-09-28T03:49:53.79 3.0 positive manual Pg 10.43 0
IV.CADC.EHZ. 2021-09-28T03:49:52.42 3.0 negative manual Pn 0.39 0
IV.CAGR.HHZ. 2021-09-28T03:49:46.84 3.0 undecidable manual Pn -1.59 0
GU.POPM.HHZ. 2021-09-28T03:49:45.52 3.0 positive manual Pg 7.18 0
IV.NOCI.HHZ. 2021-09-28T03:49:05.38 0.6 undecidable manual P 161 220.4127 38 1.64 15
OT.OT12.EHZ. 2021-09-28T03:49:03.40 0.6 undecidable manual S 192 117.4935 50 -0.14 46
OT.OT06.EHE. 2021-09-28T03:49:03.91 0.6 undecidable manual S 205 119.8911 50 -0.26 44
OT.OT04.EHE. 2021-09-28T03:49:03.20 0.6 undecidable manual S 206 116.8941 50 -0.19 45
IV.INTR.HHZ. 2021-09-28T03:49:02.86 1.0 undecidable manual P 250 201.8424 38 1.43 10
IV.APRC.HHZ. 2021-09-28T03:49:02.50 0.6 undecidable manual S 208 114.5964 50 -0.26 45
IV.SGRT.HHZ. 2021-09-28T03:49:01.28 0.6 undecidable manual S 200 108.114 50 0.25 46
IV.MSAG.HHZ. 2021-09-28T03:49:01.30 0.6 undecidable manual S 193 108.7134 50 0.09 47
IV.AMUR.HHZ. 2021-09-28T03:49:00.73 0.6 undecidable manual P 170 198.1572 38 -0.25 33
IV.SGTA.HHZ. 2021-09-28T03:49:00.85 0.6 undecidable manual P 202 183.483 38 1.7 18
IV.MOCO.HNE. 2021-09-28T03:48:57.93 0.3 undecidable manual P 211 167.7099 50 1 44
IV.GATE.HNN. 2021-09-28T03:48:57.61 0.3 undecidable manual P 220 166.4112 50 0.87 47
OT.OT14.EHZ. 2021-09-28T03:48:56.78 0.6 undecidable manual S 196 88.9443 50 0.87 39
OT.OT13.EHZ. 2021-09-28T03:48:56.21 0.6 undecidable manual S 181 87.3459 50 0.71 41
IV.MRVN.HHZ. 2021-09-28T03:48:56.97 0.3 undecidable manual P 180 178.2882 38 -1.53 32
IV.TREM.HHE. 2021-09-28T03:48:54.25 0.6 undecidable manual S 223 82.7505 50 -0.04 50
CR.STON.BHE. 2021-09-28T03:48:54.83 0.6 undecidable manual P 79 124.0869 50 4.61 2
OT.OT16.EHE. 2021-09-28T03:48:51.04 0.6 undecidable manual P 223 125.2746 50 0.63 40
OT.OT12.EHZ. 2021-09-28T03:48:49.02 0.1 undecidable manual P 192 117.4935 50 -0.17 91
OT.OT06.EHE. 2021-09-28T03:48:49.12 0.3 undecidable manual P 205 119.8911 50 -0.44 64
OT.OT07.EHE. 2021-09-28T03:48:49.53 0.3 undecidable manual P 199 122.6883 50 -0.47 63
OT.OT03.EHE. 2021-09-28T03:48:48.68 0.3 undecidable manual P 203 115.2957 50 -0.18 68
OT.OT04.EHE. 2021-09-28T03:48:48.63 0.1 undecidable manual P 206 116.8941 50 -0.48 85
IV.APRC.HHZ. 2021-09-28T03:48:48.34 0.3 undecidable manual P 208 114.5964 50 -0.41 65
IV.SGRT.HHZ. 2021-09-28T03:48:47.40 0.3 undecidable manual P 200 108.114 50 -0.35 67
IV.MSAG.HHZ. 2021-09-28T03:48:47.79 0.1 undecidable manual P 193 108.7134 50 -0.06 95
OT.OT14.EHZ. 2021-09-28T03:48:44.96 0.1 undecidable manual P 196 88.9443 50 0.17 96
OT.OT13.EHZ. 2021-09-28T03:48:44.56 0.6 undecidable manual P 181 87.3459 50 0 50
IV.TREM.HHE. 2021-09-28T03:48:43.81 0.1 undecidable manual P 223 82.7505 50 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT13.EHE. ML:2.7 0.0006274999999999999 0.96 AML other m 2021-09-28T03:48:58.73
OT.OT13.EHN. ML:2.8 0.0008895 0.22 AML other m 2021-09-28T03:48:59.72
IV.SGRT.HHE. ML:2.6 0.000335 0.88 AML other m 2021-09-28T03:49:02.43
IV.MSAG.HHN. ML:2.3 0.0001785 0.26 AML other m 2021-09-28T03:49:04.41
IV.MSAG.HNN. ML:2.7 0.00041200000000000004 0.26 AML other m 2021-09-28T03:49:04.41
IV.MSAG.HNE. ML:2.5 0.00028100000000000005 0.52 AML other m 2021-09-28T03:49:04.16
IV.SGRT.HHN. ML:2.5 0.000303 0.46 AML other m 2021-09-28T03:49:04.66
IV.APRC.HHE. ML:2.8 0.0005525 1.62 AML other m 2021-09-28T03:49:04.99
IV.MSAG.HHE. ML:2.1 0.00010839999999999999 1.68 AML other m 2021-09-28T03:49:04.15
OT.OT12.EHE. ML:2.2 0.00013350000000000002 0.28 AML other m 2021-09-28T03:49:06.63
OT.OT12.EHN. ML:2.5 0.00022549999999999998 0.42 AML other m 2021-09-28T03:49:07.80
IV.APRC.HHN. ML:2.6 0.00033650000000000005 0.36 AML other m 2021-09-28T03:49:07.95
IV.INTR.HHE. ML:2.3 0.0000593 1.18 AML other m 2021-09-28T03:49:37.86
IV.INTR.HHN. ML:2.5 0.00009355 1.34 AML other m 2021-09-28T03:49:37.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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