Earthquake with magnitude of ML 3.0 on date 27-03-2021 and time 21:41:32 (Italy) in region Adriatico Centrale (MARE)

A magnitude ML 3.0 earthquake occured in region: Adriatico Centrale (MARE), on

  • 27-03-2021 20:41:32 (UTC)
  • 27-03-2021 21:41:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.616, 16.188 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

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire *

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 3.0 2021-03-27
20:41:32
42.616 16.1883 10 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89623481
Reviewed
Rev100
ML 2.8 2021-03-27
20:41:30
42.7747 16.0943 10 2021-03-27
20:54:35
Sala Sismica INGV-Roma 88532111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-27 20:41:32 ± 0.2
Latitude 42.6160 ± 0.0090
Longitude 16.1883 ± 0.0171
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89623481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1450
Semi-minor axis of confidence ellipse (meter) 970
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 249
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.70237
Epicentral distance of station farthest from the epicenter (degree) 2.04236
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 52
Magnitudes information

ML:3

Field Value
Value 3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 89623481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-09 13:48:21

ML:2.8

Field Value
Value 2.8
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 88532111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-27 20:54:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MELA.HHZ. 2021-03-27T20:42:10.64 0.6 undecidable manual S 221 1.2024 50 0.01 61
IV.POFI.HNE. 2021-03-27T20:42:08.07 0.6 undecidable manual P 245 2.0424 38 0.76 31
GE.MATE.HHN. 2021-03-27T20:42:07.22 0.6 undecidable manual P 169 2.0037 38 0.45 36
IV.FAGN.HHZ. 2021-03-27T20:42:07.48 0.6 undecidable manual P 261 1.9524 38 1.41 24
IV.NOCI.HHN. 2021-03-27T20:42:06.13 0.6 undecidable manual P 160 1.9398 38 0.24 40
OT.OT07.EHZ. 2021-03-27T20:42:06.57 0.3 undecidable manual S 199 1.0531 50 0.36 88
IV.ACER.HNZ. 2021-03-27T20:42:06.02 0.6 undecidable manual P 186 1.8373 38 1.54 24
IV.VVLD.HHZ. 2021-03-27T20:42:06.52 0.6 undecidable manual P 249 2.0388 38 -0.74 32
IV.MIGL.HHZ. 2021-03-27T20:42:06.45 0.6 undecidable manual P 175 2.019 38 -0.54 35
OT.OT06.EHZ. 2021-03-27T20:42:05.31 0.3 undecidable manual S 206 1.0288 50 -0.17 92
IV.GIGS.HHN. 2021-03-27T20:42:05.99 0.6 undecidable manual P 266 1.9326 38 0.19 40
OT.OT12.EHZ. 2021-03-27T20:42:05.19 0.3 undecidable manual S 192 1.0054 50 0.4 88
IV.TERO.HHN. 2021-03-27T20:42:05.81 0.6 undecidable manual P 271 1.9003 38 0.46 39
IV.CERA.HNN. 2021-03-27T20:42:05.52 0.6 undecidable manual P 238 1.9039 38 0.13 42
OT.OT04.EHZ. 2021-03-27T20:42:04.64 0.3 undecidable manual S 207 1.0027 50 -0.07 94
IV.SGG.HHN. 2021-03-27T20:42:04.58 0.6 undecidable manual P 228 1.8202 38 0.33 42
IX.LIO3.HHZ.02 2021-03-27T20:42:04.88 0.6 undecidable manual P 204 1.8751 38 -0.12 43
IV.RNI2.HNE. 2021-03-27T20:42:04.05 0.6 undecidable manual P 240 1.7627 38 0.6 41
IV.T0110.HHZ. 2021-03-27T20:42:04.68 0.6 undecidable manual P 259 1.8211 38 0.43 41
IV.APRC.HHZ. 2021-03-27T20:42:04.63 0.6 undecidable manual S 209 0.9821 50 0.53 57
OT.OT03.EHZ. 2021-03-27T20:42:04.65 0.3 undecidable manual S 204 0.9875 50 0.39 89
IV.VAGA.HHZ. 2021-03-27T20:42:04.65 0.6 undecidable manual P 231 1.8823 38 -0.46 39
IV.PSB1.HNE. 2021-03-27T20:42:03.19 0.6 undecidable manual P 217 1.7276 38 0.22 46
IX.RSF3.HNE.02 2021-03-27T20:42:03.04 0.6 undecidable manual P 205 1.8148 38 -1.13 31
IV.AMUR.HHN. 2021-03-27T20:42:03.38 1.0 undecidable manual P 170 1.7357 38 0.31 22
IV.VCEL.EHN. 2021-03-27T20:42:03.99 0.6 undecidable manual P 263 1.7438 38 0.81 38
IV.PTRJ.HNN. 2021-03-27T20:42:03.83 0.6 undecidable manual P 225 1.7564 38 0.47 43
IV.CAFE.HHN. 2021-03-27T20:42:03.18 0.6 undecidable manual P 204 1.7384 38 0.07 47
IV.SNAL.HNE. 2021-03-27T20:42:03.73 0.3 undecidable manual P 204 1.84 38 -0.8 54
IV.INTR.HHE. 2021-03-27T20:42:03.85 0.6 undecidable manual P 251 1.7923 38 -0.01 46
IV.SGRT.HHZ. 2021-03-27T20:42:02.18 0.6 undecidable manual S 201 0.9218 50 -0.13 63
IV.MIDA.HNZ. 2021-03-27T20:42:02.73 0.3 undecidable manual P 236 1.733 38 -0.31 67
IV.MSAG.HHZ. 2021-03-27T20:42:02.49 0.6 undecidable manual S 193 0.9263 50 0.03 65
IV.VULT.HHN. 2021-03-27T20:42:02.80 0.6 undecidable manual P 195 1.7141 38 0.02 48
IV.SGTA.HNZ. 2021-03-27T20:42:01.72 0.3 undecidable manual P 203 1.6017 38 0.49 70
IV.LPEL.HHE. 2021-03-27T20:42:01.35 0.6 undecidable manual P 250 1.5864 50 0.34 48
IV.PALZ.HHN. 2021-03-27T20:42:01.42 1.0 undecidable manual P 186 1.6799 38 -0.88 19
IV.BSSO.HHE. 2021-03-27T20:42:01.52 0.3 undecidable manual P 228 1.5945 38 0.4 71
OT.OT15.EHZ. 2021-03-27T20:42:01.23 0.6 undecidable manual P 161 1.5918 38 0.14 50
IV.TST01.HHZ. 2021-03-27T20:42:01.54 0.3 undecidable manual P 238 1.5909 38 0.47 70
IV.SACR.HNN. 2021-03-27T20:42:00.72 0.6 undecidable manual P 223 1.6413 38 -1.06 36
IV.MOCO.HNE. 2021-03-27T20:41:59.62 0.3 undecidable manual P 212 1.4614 50 0.75 68
IV.TRIV.HHN. 2021-03-27T20:41:59.59 0.6 undecidable manual P 236 1.4803 50 0.41 51
IV.MRVN.HHZ. 2021-03-27T20:41:59.25 0.6 undecidable manual P 180 1.554 50 -1.2 35
IV.CAPA.HNE. 2021-03-27T20:41:58.23 0.6 undecidable manual P 191 1.483 50 -1 40
IV.TST02.HHE. 2021-03-27T20:41:58.89 0.3 undecidable manual P 245 1.4893 50 -0.45 75
OT.OT13.EHE. 2021-03-27T20:41:58.04 0.6 undecidable manual S 181 0.7347 50 1.26 43
OT.OT14.EHE. 2021-03-27T20:41:57.20 0.6 undecidable manual S 196 0.7482 50 0.02 67
IV.CIGN.HHN. 2021-03-27T20:41:56.81 0.3 undecidable manual P 225 1.3526 50 -0.18 85
IV.TREM.HHZ. 2021-03-27T20:41:55.24 0.6 undecidable manual S 226 0.7024 50 -0.58 59
IT.GLNS.HNZ. 2021-03-27T20:41:54.49 0.6 undecidable manual P 234 1.1736 50 0.55 54
IV.MELA.HHZ. 2021-03-27T20:41:53.90 0.3 undecidable manual P 221 1.2024 50 -0.53 81
OT.OT06.EHZ. 2021-03-27T20:41:51.11 0.3 undecidable manual P 206 1.0288 50 -0.35 89
OT.OT12.EHZ. 2021-03-27T20:41:51.36 0.3 undecidable manual P 192 1.0054 50 0.3 90
OT.OT07.EHZ. 2021-03-27T20:41:51.58 0.3 undecidable manual P 199 1.0531 50 -0.3 89
OT.OT05.EHZ. 2021-03-27T20:41:50.88 0.3 undecidable manual P 205 1.0504 50 -0.95 71
OT.OT03.EHZ. 2021-03-27T20:41:50.47 0.3 undecidable manual P 204 0.9875 50 -0.29 91
OT.OT04.EHZ. 2021-03-27T20:41:50.57 0.3 undecidable manual P 207 1.0027 50 -0.44 87
IV.SGRT.HHZ. 2021-03-27T20:41:49.24 0.3 undecidable manual P 201 0.9218 50 -0.39 90
IV.MSAG.HHZ. 2021-03-27T20:41:49.77 0.3 undecidable manual P 193 0.9263 50 0.06 96
IV.APRC.HHZ. 2021-03-27T20:41:49.88 0.6 undecidable manual P 209 0.9821 50 -0.78 52
OT.OT13.EHE. 2021-03-27T20:41:47.19 0.6 undecidable manual P 181 0.7347 50 0.75 55
OT.OT14.EHE. 2021-03-27T20:41:46.59 0.3 undecidable manual P 196 0.7482 50 -0.07 100
IV.TREM.HHZ. 2021-03-27T20:41:45.43 0.6 undecidable manual P 226 0.7024 50 -0.45 62
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHE. ML:3.2 0.0012539425 0.3456 AML other m 2021-03-27T20:42:07.78
IV.APRC.HHN. ML:3.3 0.0018769165 0.3328 AML other m 2021-03-27T20:42:06.69
IV.MELA.HHE. ML:3.3 0.00115847995 0.4864 AML other m 2021-03-27T20:42:12.88
IV.MELA.HHN. ML:3.2 0.001135639 0.3584 AML other m 2021-03-27T20:42:13.52
IV.MSAG.HHE. ML:2.5 0.000322 0.54 AML other m 2021-03-27T20:42:10.65
IV.MSAG.HNE. ML:2.9 0.000842 0.54 AML other m 2021-03-27T20:42:10.66
IV.MSAG.HHN. ML:2.8 0.00065094005 0.3456 AML other m 2021-03-27T20:42:10.91
IV.MSAG.HNN. ML:3.2 0.001559562 0.3584 AML other m 2021-03-27T20:42:10.91
IV.CIGN.HHN. ML:2.7 0.000274 0.46 AML other m 2021-03-27T20:42:19.42
IV.TRIV.HHN. ML:2.7 0.000211 0.46 AML other m 2021-03-27T20:42:25.26
IV.TRIV.HHE. ML:2.7 0.0002415 0.58 AML other m 2021-03-27T20:42:30.36
IV.MRLC.HHE. ML:0 0.0001685 0.42 AML other m 2021-03-27T20:42:39.65
IV.MRLC.HHN. ML:0 0.000116 0.5 AML other m 2021-03-27T20:42:41.46
IV.APRC.HNE. ML:3.1 0.00122424 0.3328 AML other m 2021-03-27T20:42:07.78
IV.MELA.HNN. ML:3.2 0.0011146635 0.4096 AML other m 2021-03-27T20:42:13.13
IV.MELA.HNE. ML:3.2 0.0010709692 0.4992 AML other m 2021-03-27T20:42:12.88
IV.CIGN.HHE. ML:2.6 0.000209358 0.4864 AML other m 2021-03-27T20:42:22.66
IV.TRIV.HNE. ML:2.7 0.00021562585 0.5632 AML other m 2021-03-27T20:42:30.34
IV.TRIV.HNN. ML:2.6 0.0001957815 0.4352 AML other m 2021-03-27T20:42:25.25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, http://terremoti.ingv.it/tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols 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 miniseed + resp format Download