Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 01-02-2023 and time 01:27:09 (Italy) in region Costa Abruzzese Teramo (Teramo)

A magnitude ML 1.0 earthquake occured in region: Costa Abruzzese Teramo (Teramo), on

  • 01-02-2023 00:27:09 (UTC)
  • 01-02-2023 01:27:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7590, 13.9700 at 28 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Giulianova TE 1 24050 24050
Mosciano Sant'Angelo TE 7 9308 33358
Tortoreto TE 7 11542 44900
Roseto degli Abruzzi TE 9 25537 70437
Alba Adriatica TE 9 12353 82790
Morro d'Oro TE 11 3661 86451
Notaresco TE 13 6907 93358
Bellante TE 13 7152 100510
Corropoli TE 13 5045 105555
Sant'Omero TE 14 5243 110798
Nereto TE 14 5242 116040
Martinsicuro TE 15 16033 132073
Colonnella TE 15 3734 135807
Castellalto TE 15 7513 143320
Controguerra TE 16 2436 145756
Torano Nuovo TE 17 1611 147367
Canzano TE 18 1934 149301
Pineto TE 19 14904 164205
Atri TE 20 10772 174977

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Teramo (54892 inhabitants)
31 Km NW of Montesilvano (53738 inhabitants)
38 Km NW of Pescara (121014 inhabitants)
48 Km NW of Chieti (51815 inhabitants)
65 Km NE of L'Aquila (69753 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 1.0 2023-02-01
00:27:09		 42.7588 13.9695 28 2024-03-01
17:18:14		 Bollettino Sismico Italiano INGV 120386101
Reviewed
Rev100 		ML 1.0 2023-02-01
00:27:09		 42.7858 13.9488 28 2023-02-01
00:49:33		 Sala Sismica INGV-Roma 113945751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-01 00:27:09 ± 0.31
Latitude 42.7588 ± 0.0108
Longitude 13.9695 ± 0.0184
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120386101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1530
Semi-minor axis of confidence ellipse (meter) 793
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 1530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 235
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 120386101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-22 15:19:45

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 113945751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-01 00:49:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CASP.HHZ. 2023-02-01T00:28:21.38 3.0 undecidable manual Sg 0.02 0
IV.MCRV.HHZ. 2023-02-01T00:27:51.67 3.0 undecidable manual Pg 24.049999 0
IV.NRCA.HHZ. 2023-02-01T00:27:31.05 0.6 undecidable manual S 277 70.0743 106 -0.03 45
IV.SMA1.EHZ. 2023-02-01T00:27:27.03 0.6 undecidable manual S 255 53.6019 112 0.11 46
IV.MMO1.EHN. 2023-02-01T00:27:26.82 0.6 undecidable manual S 287 54.6009 112 -0.33 43
IV.MF5.EHZ. 2023-02-01T00:27:25.35 0.6 undecidable manual S 302 48.618 114 -0.34 44
IV.MNTT.EHE. 2023-02-01T00:27:25.73 0.6 undecidable manual S 318 45.3213 116 0.83 37
IV.TERO.HHZ. 2023-02-01T00:27:22.47 0.6 undecidable manual S 243 33.4443 125 0.31 46
IV.NRCA.HHZ. 2023-02-01T00:27:21.59 0.3 undecidable manual P 277 70.0743 106 -0.26 64
IV.MMO1.EHN. 2023-02-01T00:27:19.20 0.3 undecidable manual P 287 54.6009 112 -0.38 65
IV.SMA1.EHZ. 2023-02-01T00:27:19.64 0.1 undecidable manual P 255 53.6019 112 0.19 89
IV.MNTT.EHE. 2023-02-01T00:27:18.59 0.3 undecidable manual P 318 45.3213 116 0.31 66
IV.MF5.EHZ. 2023-02-01T00:27:18.53 0.1 undecidable manual P 302 48.618 114 -0.21 90
IV.TERO.HHZ. 2023-02-01T00:27:17.05 0.1 undecidable manual P 243 33.4443 125 0.35 90
IV.VCEL.EHN. 2023-02-01T00:27:17.64 0.3 undecidable manual P 195 41.7249 119 -0.15 69
IV.TRTR.HHZ. 2023-02-01T00:27:17.67 0.6 undecidable manual S 320 7.0929 164 -0.25 48
IV.TRTR.HHZ. 2023-02-01T00:27:14.20 0.1 undecidable manual P 320 7.0929 164 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.0 0.0000296 0.46 AML other m 2023-02-01T00:27:22.85
IV.TERO.HHN. ML:1.1 0.000039999999999999996 0.36 AML other m 2023-02-01T00:27:22.82
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