Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 08-12-2023 and time 14:02:51 (Italy) in region 5 km W Rocca Santa Maria (TE)

A magnitude ML 1.5 earthquake occured in region: 5 km W Rocca Santa Maria (TE), on

  • 08-12-2023 13:02:51 (UTC)
  • 08-12-2023 14:02:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6830, 13.4680 at 14 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Rocca Santa Maria TE 5 537 537
Valle Castellana TE 6 977 1514
Cortino TE 8 656 2170
Acquasanta Terme AP 11 2916 5086
Crognaleto TE 15 1297 6383
Fano Adriano TE 16 296 6679
Torricella Sicura TE 16 2641 9320
Amatrice RI 16 2657 11977
Campotosto AQ 16 542 12519
Arquata del Tronto AP 17 1178 13697
Montorio al Vomano TE 17 8218 21915
Accumoli RI 18 667 22582
Campli TE 19 7209 29791
Civitella del Tronto TE 19 5116 34907
Pietracamela TE 19 271 35178
Teramo TE 20 54892 90070
Roccafluvione AP 20 2010 92080

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
66 Km W of Pescara (121014 inhabitants)
68 Km NW of Chieti (51815 inhabitants)
69 Km E of Terni (111501 inhabitants)
69 Km E of Foligno (57155 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km E of Perugia (166134 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
Reviewed
Rev100 		ML 1.5 2023-12-08
13:02:51		 42.6832 13.4678 14 2023-12-08
13:12:25		 Sala Sismica INGV-Roma 123897021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-08 13:02:51 ± 0.06
Latitude 42.6832 ± 0.0027
Longitude 13.4678 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123897021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 397
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44966
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 123897021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-08 13:12:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-12-08T13:03:04.66 3.0 negative manual P -0.54 0
IV.MML1.EHZ. 2023-12-08T13:03:02.78 3.0 positive manual P -0.13 0
7F.SIB2.EHE. 2023-12-08T13:03:01.42 0.6 undecidable manual S 330 26.6511 101 -0.03 49
IV.MMO1.HNE. 2023-12-08T13:03:01.45 0.3 undecidable manual S 334 26.5512 101 0.02 74
IV.T0110.HHZ. 2023-12-08T13:03:01.66 3.0 negative manual P -0.3 0
7F.SIB3.EHE. 2023-12-08T13:03:01.42 0.3 undecidable manual S 323 26.6511 101 -0.04 74
IV.CSP1.EHZ. 2023-12-08T13:03:00.83 3.0 positive manual P 0.01 0
IV.FDMO.HHZ. 2023-12-08T13:03:00.75 0.3 positive manual P 322 49.9167 94 -0.19 68
IV.VCEL.EHZ. 2023-12-08T13:03:00.02 3.0 positive manual P 0.08 0
IV.LNSS.HHZ. 2023-12-08T13:02:59.09 0.3 positive manual P 256 36.0417 97 0.29 69
IV.MF5.EHZ. 2023-12-08T13:02:58.56 0.1 undecidable manual P 359 33.8439 97 0.1 96
IV.CAMP.HHZ. 2023-12-08T13:02:58.96 0.6 undecidable manual S 196 17.0718 114 -0.03 50
IV.OFFI.HHZ. 2023-12-08T13:02:58.87 0.1 undecidable manual P 32 33.0447 98 0.52 88
IV.NRCA.HHZ. 2023-12-08T13:02:58.29 0.1 positive manual P 300 33.2445 97 -0.09 95
IV.MC2.EHN. 2023-12-08T13:02:58.49 0.1 undecidable manual P 318 34.0437 97 -0.01 97
IV.TERO.HNZ. 2023-12-08T13:02:57.91 0.3 undecidable manual S 121 12.9759 124 -0.12 74
7F.SIB3.EHE. 2023-12-08T13:02:57.23 0.1 undecidable manual P 323 26.6511 101 -0.15 95
IV.RM33.EHZ. 2023-12-08T13:02:57.59 0.3 undecidable manual P 227 28.3494 100 -0.04 73
7F.SIB2.EHE. 2023-12-08T13:02:57.21 0.1 undecidable manual P 330 26.6511 101 -0.16 95
7F.SIB1.EHE. 2023-12-08T13:02:57.64 0.1 undecidable manual P 326 28.4493 100 -0.01 98
IV.SMA1.EHZ. 2023-12-08T13:02:57.95 0.6 undecidable manual S 242 12.2766 127 0.06 49
IV.GIGS.HHZ. 2023-12-08T13:02:57.03 1.0 undecidable manual P 161 26.9508 101 -0.38 23
IV.MMO1.HNE. 2023-12-08T13:02:57.28 0.1 undecidable manual P 334 26.5512 101 -0.08 97
IV.MTRA.HNZ. 2023-12-08T13:02:57.41 0.3 undecidable manual S 325 9.9789 134 -0.02 75
IV.SMA1.EHZ. 2023-12-08T13:02:55.47 0.1 undecidable manual P 242 12.2766 127 0.15 98
IV.MTRA.HNZ. 2023-12-08T13:02:55.10 0.1 undecidable manual P 325 9.9789 134 0.05 100
IV.TERO.HNZ. 2023-12-08T13:02:55.32 0.1 undecidable manual P 121 12.9759 124 -0.08 99
IV.CAMP.HHZ. 2023-12-08T13:02:55.92 0.1 undecidable manual P 196 17.0718 114 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:1.7 0.0005920000000000001 0.1 AML other m 2023-12-08T13:02:57.64
IV.MTRA.EHE. ML:1.7 0.0005905 0.08 AML other m 2023-12-08T13:02:57.64
IV.MTRA.HNN. ML:1.7 0.0005175000000000001 0.62 AML other m 2023-12-08T13:02:57.95
IV.MTRA.EHN. ML:1.7 0.000518 0.62 AML other m 2023-12-08T13:02:57.64
IV.TERO.HNN. ML:2.3 0.0017250000000000002 0.08 AML other m 2023-12-08T13:02:57.98
IV.TERO.HNE. ML:1.4 0.00021400000000000002 1.52 AML other m 2023-12-08T13:02:57.18
IV.SMA1.EHN. ML:1.2 0.000162 0.16 AML other m 2023-12-08T13:02:58.48
IV.SMA1.EHE. ML:1.3 0.0002 0.32 AML other m 2023-12-08T13:02:58.44
IV.CAMP.HHN. ML:1.2 0.00011049999999999999 0.26 AML other m 2023-12-08T13:02:59.10
IV.CAMP.HHE. ML:1.0 0.00007419999999999999 0.18 AML other m 2023-12-08T13:02:59.17
IV.RM33.EHE. ML:1.2 0.0000779 1.16 AML other m 2023-12-08T13:03:02.28
IV.RM33.EHN. ML:1.2 0.0000813 0.84 AML other m 2023-12-08T13:03:02.55
IV.NRCA.HHE. ML:2.2 0.0006025000000000001 0.12 AML other m 2023-12-08T13:03:03.40
IV.NRCA.HHN. ML:1.9 0.00029549999999999997 0.6 AML other m 2023-12-08T13:03:03.51
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