Earthquake with magnitude of ML 2.3 on date 22-01-2021 and time 22:14:48 (UTC) in region 1 km SE Spinetoli (AP)

A magnitude ML 2.3 earthquake occured in region: 1 km SE Spinetoli (AP), on

  • 22-01-2021 22:14:48 (UTC)
  • 22-01-2021 23:14:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.88, 13.78 at 32 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Spinetoli AP 1 7215 7215
Monsampolo del Tronto AP 2 4611 11826
Colli del Tronto AP 3 3668 15494
Controguerra TE 4 2436 17930
Castorano AP 5 2380 20310
Castel di Lama AP 6 8634 28944
Ancarano TE 6 1857 30801
Monteprandone AP 6 12655 43456
Torano Nuovo TE 7 1611 45067
Colonnella TE 7 3734 48801
Acquaviva Picena AP 7 3831 52632
Corropoli TE 8 5045 57677
Nereto TE 8 5242 62919
Sant'Egidio alla Vibrata TE 8 9811 72730
Offida AP 9 5058 77788
Maltignano AP 10 2401 80189
Appignano del Tronto AP 10 1785 81974
San Benedetto del Tronto AP 11 47303 129277
Sant'Omero TE 11 5243 134520
Martinsicuro TE 11 16033 150553
Alba Adriatica TE 13 12353 162906
Ripatransone AP 13 4309 167215
Cossignano AP 14 978 168193
Tortoreto TE 14 11542 179735
Grottammare AP 14 16006 195741
Folignano AP 14 9241 204982
Castignano AP 15 2796 207778
Bellante TE 15 7152 214930
Civitella del Tronto TE 16 5116 220046
Ascoli Piceno AP 17 49407 269453
Mosciano Sant'Angelo TE 17 9308 278761
Cupra Marittima AP 17 5398 284159
Montalto delle Marche AP 18 2122 286281
Carassai AP 19 1100 287381
Montedinove AP 19 488 287869
Massignano AP 19 1638 289507
Campli TE 19 7209 296716
Montefiore dell'Aso AP 19 2123 298839
Rotella AP 20 906 299745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Teramo (54892 inhabitants)
51 Km NW of Montesilvano (53738 inhabitants)
58 Km NW of Pescara (121014 inhabitants)
67 Km NE of L'Aquila (69753 inhabitants)
67 Km NW of Chieti (51815 inhabitants)
84 Km S of Ancona (100861 inhabitants)
88 Km E of Foligno (57155 inhabitants)
99 Km E of Terni (111501 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2014

Earthquakes since 1000 AD until 2014

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 2.3 2021-01-22
22:14:48
42.88 13.78 32 2021-01-22
22:22:28
Sala Sismica INGV-Roma 86472001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-22 22:14:48 ± 0.13
Latitude 42.88 ± 0.00
Longitude 13.78 ± 0.01
Depth (km) 32 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86472001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 490
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.56028
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 15
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 86472001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-22 22:22:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OX.DRE.HHZ. 2021-01-22T22:16:32.13 3.0 undecidable manual Sg 14.47 0
IV.MCEL.HHZ. 2021-01-22T22:16:18.42 3.0 undecidable manual Sg 7.97 0
IV.AMUR.HHZ. 2021-01-22T22:16:07.01 3.0 undecidable manual Sn -1.59 0
SL.LJU.BHZ. 2021-01-22T22:15:41.37 3.0 undecidable manual Pn 3.55 0
IX.CLT3.HNZ.01 2021-01-22T22:15:31.30 3.0 undecidable manual Pg 5.38 0
IV.CFMN.HHZ. 2021-01-22T22:15:20.84 3.0 positive manual Pn -1.33 0
IV.SACS.HHZ. 2021-01-22T22:15:12.17 3.0 undecidable manual Pn 0.01 0
IV.PIEI.HHZ. 2021-01-22T22:15:10.04 3.0 positive manual P 1.31 0
IV.ARVD.HHZ. 2021-01-22T22:15:06.20 3.0 negative manual P 0.87 0
IV.CSP1.EHZ. 2021-01-22T22:15:06.22 0.3 undecidable manual S 296 0.4712 116 0 70
IV.CAMP.HHZ. 2021-01-22T22:15:05.74 0.6 undecidable manual S 218 0.4425 118 0.27 45
IV.FOSV.EHZ. 2021-01-22T22:15:05.02 3.0 positive manual P -0.01 0
IV.SMA1.EHZ. 2021-01-22T22:15:04.76 0.6 undecidable manual S 233 0.4137 120 0.03 48
IV.ASSB.HHZ. 2021-01-22T22:15:03.53 3.0 undecidable manual P -1.26 0
IV.MNTP.HNZ. 2021-01-22T22:15:03.23 0.6 undecidable manual S 318 0.3417 125 0.29 46
IV.SAP2.EHZ. 2021-01-22T22:15:03.46 0.6 undecidable manual S 307 0.3525 125 0.28 46
IV.GUMA.HHZ. 2021-01-22T22:15:03.91 0.3 undecidable manual S 299 0.3732 123 0.21 70
IV.MMO1.EHZ. 2021-01-22T22:15:02.38 0.3 undecidable manual S 273 0.3345 126 -0.36 67
IV.T0110.HHZ. 2021-01-22T22:15:02.78 3.0 undecidable manual P 0.07 0
IV.TERO.HHZ. 2021-01-22T22:15:01.77 0.3 undecidable manual S 207 0.2914 130 0.03 73
IV.EL6.EHZ. 2021-01-22T22:15:01.99 3.0 negative manual P -0.43 0
IV.LNSS.HHZ. 2021-01-22T22:15:01.66 3.0 undecidable manual P 0.29 0
IV.FAGN.HHZ. 2021-01-22T22:15:01.87 3.0 positive manual P -0.34 0
IV.CESI.HHZ. 2021-01-22T22:15:01.76 3.0 negative manual P -0.27 0
IV.MTRA.EHZ. 2021-01-22T22:15:01.81 0.3 undecidable manual S 246 0.3103 128 -0.36 67
IV.MNTT.EHZ. 2021-01-22T22:15:00.77 0.3 undecidable manual S 323 0.2248 138 0.43 69
IV.RM33.EHZ. 2021-01-22T22:15:00.33 0.6 undecidable manual P 228 0.5603 112 0.21 44
IV.MF5.EHZ. 2021-01-22T22:15:00.92 0.3 undecidable manual S 294 0.2581 134 -0.1 72
IV.NRCA.HHZ. 2021-01-22T22:14:59.07 3.0 positive manual P -0.08 0
IV.FDMO.HHZ. 2021-01-22T22:14:59.53 3.0 negative manual P -0.32 0
IV.CSP1.EHZ. 2021-01-22T22:14:58.64 0.1 negative manual P 296 0.4712 116 -0.08 93
IV.TRTR.HHZ. 2021-01-22T22:14:58.82 0.3 undecidable manual S 128 0.1223 155 0.17 74
IV.SMA1.EHZ. 2021-01-22T22:14:58.00 0.1 negative manual P 233 0.4137 120 0.14 93
IV.CAMP.HHZ. 2021-01-22T22:14:58.53 0.3 undecidable manual P 218 0.4425 118 0.24 68
IV.SAP2.EHZ. 2021-01-22T22:14:57.01 0.3 undecidable manual P 307 0.3525 125 0.04 72
IV.GUMA.HHZ. 2021-01-22T22:14:57.31 0.1 negative manual P 299 0.3732 123 0.05 96
IV.MTRA.EHZ. 2021-01-22T22:14:56.26 0.1 negative manual P 246 0.3103 128 -0.13 95
IV.TERO.HHZ. 2021-01-22T22:14:56.14 0.6 undecidable manual P 207 0.2914 130 0 49
IV.MMO1.EHZ. 2021-01-22T22:14:56.49 0.1 negative manual P 273 0.3345 126 -0.22 93
IV.CADA.HNZ. 2021-01-22T22:14:56.24 0.3 positive manual P 357 0.3112 128 -0.16 71
IV.MNTP.HNZ. 2021-01-22T22:14:56.88 0.6 positive manual P 318 0.3417 125 0.06 48
IV.MF5.EHZ. 2021-01-22T22:14:55.64 0.1 negative manual P 294 0.2581 134 -0.08 97
IV.MNTT.EHZ. 2021-01-22T22:14:55.35 0.1 negative manual P 323 0.2248 138 0.03 99
IV.TRTR.HHZ. 2021-01-22T22:14:54.41 0.1 positive manual P 128 0.1223 155 0.06 100
IV.OFFI.HHZ. 2021-01-22T22:14:53.49 0.6 undecidable manual P 306 0.0881 161 -0.64 43
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRTR.HHN. ML:3.2 0.006995 0.2 AML other m 2021-01-22T22:14:59.17
IV.TRTR.HHE. ML:3.3 0.00962 0.48 AML other m 2021-01-22T22:14:59.09
IV.MNTT.EHN. ML:3 0.003275 0.4 AML other m 2021-01-22T22:15:01.48
IV.TERO.HHN. ML:2 0.000331 0.08 AML other m 2021-01-22T22:15:01.97
IV.TERO.HNE. ML:2.4 0.0007135 1.94 AML other m 2021-01-22T22:15:02.99
IV.TERO.HHE. ML:2.3 0.0005795 1.94 AML other m 2021-01-22T22:15:02.99
IV.MTRA.HNE. ML:2.5 0.000951 1.6 AML other m 2021-01-22T22:15:02.16
IV.MTRA.EHE. ML:2.5 0.000943 0.5 AML other m 2021-01-22T22:15:02.16
IV.MTRA.HNN. ML:2.5 0.001035 0.66 AML other m 2021-01-22T22:15:02.43
IV.MTRA.EHN. ML:2.5 0.00103 0.66 AML other m 2021-01-22T22:15:02.10
IV.MNTT.EHE. ML:3.1 0.004425 0.16 AML other m 2021-01-22T22:15:03.47
IV.SAP2.EHE. ML:2.3 0.000486 0.18 AML other m 2021-01-22T22:15:03.74
IV.TERO.HNN. ML:2.2 0.0004555 0.9 AML other m 2021-01-22T22:15:04.07
IV.SAP2.EHN. ML:3 0.002695 1.18 AML other m 2021-01-22T22:15:04.39
IV.GUMA.HHE. ML:2.2 0.0004245 1.08 AML other m 2021-01-22T22:15:04.59
IV.SMA1.EHN. ML:2.4 0.0005705 0.18 AML other m 2021-01-22T22:15:05.37
IV.SMA1.EHE. ML:2.3 0.0004395 0.52 AML other m 2021-01-22T22:15:05.43
IV.CSP1.EHN. ML:2.4 0.0004765 0.38 AML other m 2021-01-22T22:15:06.55
IV.NRCA.HHN. ML:2.4 0.0004535 0.14 AML other m 2021-01-22T22:15:07.57
IV.NRCA.HHE. ML:2.4 0.000458 0.12 AML other m 2021-01-22T22:15:07.77
IV.CSP1.EHE. ML:2.2 0.0003535 1.08 AML other m 2021-01-22T22:15:07.24
IV.NRCA.HNN. ML:2.4 0.0005505 1.02 AML other m 2021-01-22T22:15:08.06
IV.NRCA.HNE. ML:2.4 0.000467 0.72 AML other m 2021-01-22T22:15:08.42
IV.GUMA.HHN. ML:2.2 0.0003905 1.48 AML other m 2021-01-22T22:15:08.79
IV.FDMO.HHE. ML:1.9 0.0001525 1 AML other m 2021-01-22T22:15:09.03
IV.FDMO.HHN. ML:1.9 0.0001335 0.16 AML other m 2021-01-22T22:15:09.57
IV.LNSS.HHE. ML:2.1 0.0002 0.12 AML other m 2021-01-22T22:15:11.23
IV.LNSS.HHN. ML:2.3 0.000298 0.18 AML other m 2021-01-22T22:15:11.87
IV.RM33.HNE. ML:2.1 0.000209 1.2 AML other m 2021-01-22T22:15:14.14
IV.RM33.HNN. ML:2.1 0.0002095 0.5 AML other m 2021-01-22T22:15:16.38
IV.FAGN.HHE. ML:2.1 0.000187 1.58 AML other m 2021-01-22T22:15:17.93
IV.FAGN.HHN. ML:2 0.0001435 0.42 AML other m 2021-01-22T22:15:18.89
IV.CESI.HHE. ML:1.8 0.00010145 0.42 AML other m 2021-01-22T22:15:19.40
IV.CESI.HHN. ML:1.8 9.745E-5 0.44 AML other m 2021-01-22T22:15:20.54
IV.LNSS.HNN. ML:2.3 0.000334 1 AML other m 2021-01-22T22:15:21.58
IV.ARVD.HHN. ML:1.9 7.14E-5 0.66 AML other m 2021-01-22T22:15:21.48
IV.ARVD.HHE. ML:1.9 8.63E-5 1.14 AML other m 2021-01-22T22:15:21.73
IV.LNSS.HNE. ML:2.3 0.0002865 0.86 AML other m 2021-01-22T22:15:21.54
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
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 full SEED format Download