Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 26-03-2023 and time 04:49:57 (UTC) in region 5 km E Rocca Santa Maria (TE)

A magnitude ML 1.6 earthquake occured in region: 5 km E Rocca Santa Maria (TE), on

  • 26-03-2023 04:49:57 (UTC)
  • 26-03-2023 06:49:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6690, 13.5900 at 16 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Torricella Sicura TE 6 2641 3178
Cortino TE 8 656 3834
Teramo TE 10 54892 58726
Montorio al Vomano TE 10 8218 66944
Campli TE 10 7209 74153
Valle Castellana TE 11 977 75130
Civitella del Tronto TE 13 5116 80246
Fano Adriano TE 14 296 80542
Tossicia TE 14 1406 81948
Basciano TE 15 2434 84382
Colledara TE 16 2179 86561
Crognaleto TE 16 1297 87858
Pietracamela TE 16 271 88129
Penna Sant'Andrea TE 17 1698 89827
Folignano AP 17 9241 99068
Castel Castagna TE 17 500 99568
Canzano TE 18 1934 101502
Acquasanta Terme AP 19 2916 104418
Castellalto TE 19 7513 111931
Cermignano TE 19 1649 113580
Isola del Gran Sasso d'Italia TE 19 4773 118353
Bellante TE 20 7152 125505
Maltignano AP 20 2401 127906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Teramo (54892 inhabitants)
39 Km NE of L'Aquila (69753 inhabitants)
49 Km W of Montesilvano (53738 inhabitants)
56 Km W of Pescara (121014 inhabitants)
59 Km NW of Chieti (51815 inhabitants)
78 Km E of Terni (111501 inhabitants)
79 Km E of Foligno (57155 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 1.6 2023-03-26
04:49:57		 42.6688 13.5898 16 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124300891
Reviewed
Rev100 		ML 1.6 2023-03-26
04:49:57		 42.6748 13.5825 13 2023-03-26
04:55:50		 Sala Sismica INGV-Roma 115739971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-26 04:49:57 ± 0.07
Latitude 42.6688 ± 0.0036
Longitude 13.5898 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124300891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.77791
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 124300891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-27 13:54:46

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 115739971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-26 04:55:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-03-26T04:50:18.52 0.6 undecidable manual S 304 67.0773 95 0.64 40
IV.FDMO.HHZ. 2023-03-26T04:50:15.67 0.6 undecidable manual S 315 57.6978 96 0.26 45
IV.CSP1.EHZ. 2023-03-26T04:50:15.44 0.6 undecidable manual S 326 56.3991 97 0.39 44
IV.ASSB.HHZ. 2023-03-26T04:50:12.09 0.3 undecidable manual P 299 86.3469 94 -0.12 66
IV.CING.HHZ. 2023-03-26T04:50:12.12 0.3 undecidable manual P 338 84.6486 94 0.16 66
IV.NRCA.HHZ. 2023-03-26T04:50:11.65 0.6 undecidable manual S 295 42.8238 99 0.18 47
IV.INTR.HHZ. 2023-03-26T04:50:10.35 0.3 undecidable manual P 160 77.367 94 -0.48 62
IV.VCEL.EHZ. 2023-03-26T04:50:10.31 0.6 undecidable manual S 146 36.741 102 0.46 45
IV.MF5.EHZ. 2023-03-26T04:50:10.56 0.6 undecidable manual S 343 36.9297 102 0.64 42
IV.ARRO.EHZ. 2023-03-26T04:50:09.33 0.3 undecidable manual P 262 67.9764 95 -0.07 69
IV.RM33.EHZ. 2023-03-26T04:50:09.76 0.6 undecidable manual S 240 35.4423 102 0.24 47
IV.MML1.EHZ. 2023-03-26T04:50:09.52 0.3 undecidable manual P 315 70.374 95 -0.25 66
IV.CESI.HHZ. 2023-03-26T04:50:09.14 0.1 undecidable manual P 304 67.0773 95 -0.11 92
7F.SIB1.EHZ. 2023-03-26T04:50:09.89 0.6 undecidable manual S 314 36.1416 102 0.18 48
IV.MMO1.EHZ. 2023-03-26T04:50:08.86 0.3 undecidable manual S 320 33.3444 103 -0.12 73
IV.FDMO.HHZ. 2023-03-26T04:50:07.51 0.1 undecidable manual P 315 57.6978 96 -0.31 89
IV.CSP1.EHZ. 2023-03-26T04:50:07.41 0.1 undecidable manual P 326 56.3991 97 -0.21 92
IV.SMA1.EHZ. 2023-03-26T04:50:06.09 0.3 undecidable manual S 259 21.1677 115 0.18 74
IV.MNTT.EHZ. 2023-03-26T04:50:06.29 0.3 undecidable manual P 1 43.623 99 0.62 63
IV.GIGS.HHE. 2023-03-26T04:50:06.46 0.3 undecidable manual S 183 23.9538 112 -0.13 74
IV.CAMP.HHZ. 2023-03-26T04:50:06.05 0.3 undecidable manual S 225 20.868 116 0.21 73
IV.T0110.HHZ. 2023-03-26T04:50:06.76 0.1 undecidable manual P 163 51.1155 97 -0.05 96
IV.ASCOL.EHZ. 2023-03-26T04:50:05.06 0.3 undecidable manual S 360 20.2686 117 -0.62 65
IV.LNSS.HHZ. 2023-03-26T04:50:05.91 0.3 undecidable manual P 261 45.4212 99 -0.04 73
IV.MTRA.EHZ. 2023-03-26T04:50:05.18 0.3 undecidable manual S 302 18.5703 120 -0.1 75
IV.NRCA.HHZ. 2023-03-26T04:50:05.41 0.1 undecidable manual P 295 42.8238 99 -0.14 95
IV.FAGN.HHZ. 2023-03-26T04:50:05.60 0.3 undecidable manual P 181 44.7219 99 -0.24 70
IV.VCEL.EHZ. 2023-03-26T04:50:04.67 0.1 undecidable manual P 146 36.741 102 0.05 98
IV.TRTR.HHZ. 2023-03-26T04:50:04.29 0.1 undecidable manual P 60 30.5472 105 0.59 87
7F.SIB1.EHZ. 2023-03-26T04:50:04.42 0.1 undecidable manual P 314 36.1416 102 -0.11 97
IV.MF5.EHZ. 2023-03-26T04:50:04.74 0.1 undecidable manual P 343 36.9297 102 0.09 98
IV.RM33.EHZ. 2023-03-26T04:50:04.42 0.1 undecidable manual P 240 35.4423 102 -0.01 99
IV.MMO1.EHZ. 2023-03-26T04:50:03.94 0.1 positive manual P 320 33.3444 103 -0.18 96
IV.TERO.HHZ. 2023-03-26T04:50:02.91 0.3 undecidable manual S 167 5.1948 158 0.01 79
IV.CAMP.HHZ. 2023-03-26T04:50:02.39 0.1 undecidable manual P 225 20.868 116 0.09 100
IV.SMA1.EHZ. 2023-03-26T04:50:02.44 0.1 negative manual P 259 21.1677 115 0.1 100
IV.GIGS.HHE. 2023-03-26T04:50:02.60 0.1 undecidable manual P 183 23.9538 112 -0.13 99
IV.ASCOL.EHZ. 2023-03-26T04:50:01.84 0.3 undecidable manual P 360 20.2686 117 -0.37 71
IV.MTRA.EHZ. 2023-03-26T04:50:01.88 0.3 undecidable manual P 302 18.5703 120 -0.1 75
IV.TERO.HHZ. 2023-03-26T04:50:00.67 0.3 undecidable manual P 167 5.1948 158 0.06 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:2.1 0.0013700000000000001 1.72 AML other m 2023-03-26T04:50:02.12
IV.TERO.HNN. ML:2.1 0.001315 1.7 AML other m 2023-03-26T04:50:02.98
IV.TERO.HHE. ML:1.6 0.000449 1.92 AML other m 2023-03-26T04:50:03.03
IV.TERO.HNE. ML:1.7 0.000475 0.1 AML other m 2023-03-26T04:50:03.12
IV.SMA1.EHN. ML:1.8 0.000334 0.6 AML other m 2023-03-26T04:50:06.34
IV.SMA1.EHE. ML:1.8 0.00034250000000000003 0.48 AML other m 2023-03-26T04:50:06.52
IV.MMO1.EHN. ML:1.4 0.0000948 0.42 AML other m 2023-03-26T04:50:09.08
IV.VCEL.EHE. ML:1.5 0.00011399999999999999 0.38 AML other m 2023-03-26T04:50:10.71
IV.VCEL.EHN. ML:1.6 0.00014250000000000002 1.14 AML other m 2023-03-26T04:50:10.59
IV.MMO1.EHE. ML:1.4 0.0001066 1.36 AML other m 2023-03-26T04:50:11.14
IV.RM33.EHE. ML:1.4 0.0000894 1.16 AML other m 2023-03-26T04:50:11.75
IV.NRCA.HNE. ML:2.3 0.000638 0.12 AML other m 2023-03-26T04:50:11.92
IV.NRCA.HHE. ML:2.3 0.0006715 0.12 AML other m 2023-03-26T04:50:11.98
IV.NRCA.HNN. ML:2.2 0.00046350000000000004 0.94 AML other m 2023-03-26T04:50:12.12
IV.NRCA.HHN. ML:2.1 0.0004125 0.08 AML other m 2023-03-26T04:50:12.36
IV.RM33.EHN. ML:1.2 0.0000617 0.3 AML other m 2023-03-26T04:50:12.84
IV.LNSS.HHE. ML:1.6 0.00011485000000000001 0.1 AML other m 2023-03-26T04:50:13.66
IV.LNSS.HHN. ML:1.6 0.00010045 0.14 AML other m 2023-03-26T04:50:14.25
IV.T0110.HHE. ML:1.4 0.000054499999999999997 0.46 AML other m 2023-03-26T04:50:14.71
IV.FAGN.HHN. ML:1.5 0.00009120000000000001 0.36 AML other m 2023-03-26T04:50:15.20
IV.FDMO.HHN. ML:1.5 0.00006900000000000001 0.26 AML other m 2023-03-26T04:50:16.47
IV.FAGN.HHE. ML:1.5 0.0000979 0.28 AML other m 2023-03-26T04:50:16.68
IV.FDMO.HHE. ML:1.4 0.0000531 0.6 AML other m 2023-03-26T04:50:17.04
IV.T0110.HHN. ML:1.4 0.00006025 1.7 AML other m 2023-03-26T04:50:17.07
IV.CESI.HHE. ML:1.4 0.000046899999999999995 0.62 AML other m 2023-03-26T04:50:18.95
IV.CESI.HHN. ML:1.5 0.00006245 0.46 AML other m 2023-03-26T04:50:19.67
IV.MML1.EHN. ML:1.5 0.000051250000000000006 0.2 AML other m 2023-03-26T04:50:20.14
IV.MML1.EHE. ML:1.4 0.00003955 1.26 AML other m 2023-03-26T04:50:20.65
IV.ASSB.HHE. ML:1.4 0.00003015 1.58 AML other m 2023-03-26T04:50:24.92
IV.ASSB.HHN. ML:1.4 0.000032149999999999995 0.44 AML other m 2023-03-26T04:50:26.25
IV.MTCE.HHE. ML:2.4 0.0002195 0.3 AML other m 2023-03-26T04:50:31.40
IV.MTCE.HHN. ML:2.1 0.000131 0.32 AML other m 2023-03-26T04:50:32.42
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