Earthquake Tirreno Meridionale (MARE), Magnitude ML 2.1, 15 May 2021 time 03:03:48 (Timezone Italy)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

15-05-2021 01:03:48 (UTC)
15-05-2021 03:03:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4420, 15.6060 at 136 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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Display location by

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to

28 Km N of Messina (238439 inhabitants)

37 Km N of Reggio di Calabria (183035 inhabitants)

86 Km SW of Lamezia Terme (70714 inhabitants)

100 Km NE of Acireale (52622 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 2.1	2021-05-15 01:03:48	38.4422	15.6057	136	2021-12-29 11:12:02	Bollettino Sismico Italiano INGV	90689601
Reviewed Rev100	ML 2.3	2021-05-15 01:03:49	38.4727	15.5763	129	2021-05-15 01:20:03	Sala Sismica INGV-Roma	90105481

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-05-15 01:03:48 ± 0.19
Latitude	38.4422 ± 0.0126
Longitude	15.6057 ± 0.0207
Depth (km)	136 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	90689601

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	2101
Semi-minor axis of confidence ellipse (meter)	601
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	128
Circular confidence region, given by single value of horizontal uncertainty (meter)	2100.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	124
Number of associated phases, regardless of their use for origin computation	37
Number of defining phases	31
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)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	1.69522
Number of stations at which the event was observed	22
Number of stations from which data was used for origin computation	17

Magnitudes information

ML:2.3

Field	Value
Value	2.3
Uncertainty	0.5
Num. used stations	13
Type of magnitude	ML
Reference to an origin	90105481
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-05-15 01:20:03

ML:2.1

Field	Value
Value	2.1
Uncertainty	0.2
Num. used stations	9
Type of magnitude	ML
Reference to an origin	90689601
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2021-06-01 09:40:25

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.LAV9.HHZ.	2021-05-15T01:05:40.58	3.0	undecidable	manual	Sn				-4.43	0
IV.BARO.EHZ.	2021-05-15T01:05:11.59	3.0	undecidable	manual	Pn				4.55	0
IV.LAV9.HHZ.	2021-05-15T01:05:01.91	3.0	negative	manual	Pn				5.07	0
IV.PIPA.HHZ.	2021-05-15T01:04:37.50	0.6	undecidable	manual	S	42	155.8218	128	0.22	37
IV.MTGR.HHZ.	2021-05-15T01:04:36.84	3.0	positive	manual	Pn				1.46	0
MN.TIP.HHZ.	2021-05-15T01:04:33.10	0.6	undecidable	manual	S	50	128.871	133	0.24	40
IV.CELI.HHE.	2021-05-15T01:04:33.55	0.6	undecidable	manual	S	36	131.9679	133	0.2	40
IV.CRJA.HHZ.	2021-05-15T01:04:32.85	3.0	negative	manual	Pn				-0.25	0
IV.SERS.HHE.	2021-05-15T01:04:31.10	0.6	undecidable	manual	S	55	114.4965	137	0.43	40
IV.SPS2.HHE.	2021-05-15T01:04:30.34	0.6	undecidable	manual	S	34	113.4975	137	-0.18	42
IV.SELL.HHZ.	2021-05-15T01:04:29.93	0.6	undecidable	manual	S	56	106.9152	139	0.36	41
IV.MUCR.HHE.	2021-05-15T01:04:26.30	0.6	undecidable	manual	S	235	77.6667	148	0.5	42
IV.GIZZ.HHZ.	2021-05-15T01:04:25.87	0.6	undecidable	manual	S	41	79.1652	147	-0.11	45
IV.AIO.HHE.	2021-05-15T01:04:24.46	0.3	undecidable	manual	S	212	61.494	154	0.35	67
IV.MTTG.HHZ.	2021-05-15T01:04:23.48	0.6	undecidable	manual	S	170	49.4172	158	0.43	45
IV.HVIT.HHZ.	2021-05-15T01:04:23.96	3.0	undecidable	manual	Pn				-0.63	0
IV.SOI.EHZ.	2021-05-15T01:04:23.48	0.6	undecidable	manual	S	136	56.5989	156	-0.17	47
IV.MSRU.HHE.	2021-05-15T01:04:21.56	0.6	undecidable	manual	S	203	21.4674	170	0.14	51
MN.CEL.HHZ.	2021-05-15T01:04:21.69	0.6	undecidable	manual	S	129	32.1456	166	-0.21	48
IV.JOPP.HHZ.	2021-05-15T01:04:21.31	0.6	undecidable	manual	S	53	30.3474	166	-0.5	45
IV.MGR.HHZ.	2021-05-15T01:04:19.70	0.6	undecidable	manual	P	359	188.1672	122	-0.48	30
IV.PIPA.HHZ.	2021-05-15T01:04:17.28	0.3	undecidable	manual	P	42	155.8218	128	0.41	54
MN.TIP.HHZ.	2021-05-15T01:04:14.43	0.3	undecidable	manual	P	50	128.871	133	0.11	61
IV.CELI.HHE.	2021-05-15T01:04:14.84	0.3	undecidable	manual	P	36	131.9679	133	0.24	59
IV.SERS.HHE.	2021-05-15T01:04:13.28	0.3	undecidable	manual	P	55	114.4965	137	0.23	62
IV.SPS2.HHE.	2021-05-15T01:04:12.55	0.3	undecidable	manual	P	34	113.4975	137	-0.41	60
IV.SELL.HHZ.	2021-05-15T01:04:12.78	0.3	undecidable	manual	P	56	106.9152	139	0.36	61
IV.MUCR.HHE.	2021-05-15T01:04:10.51	0.6	undecidable	manual	P	235	77.6667	148	0.27	44
IV.GRI.EHN.	2021-05-15T01:04:10.64	0.6	undecidable	manual	P	59	82.1511	146	0.09	45
IV.AIO.HHE.	2021-05-15T01:04:09.23	0.3	undecidable	manual	P	212	61.494	154	-0.03	72
IV.GIZZ.HHZ.	2021-05-15T01:04:09.98	0.3	undecidable	manual	P	41	79.1652	147	-0.37	65
IV.MTTG.HHZ.	2021-05-15T01:04:08.53	0.3	undecidable	manual	P	170	49.4172	158	-0.12	72
IV.FERC.HNN.	2021-05-15T01:04:08.43	0.6	undecidable	manual	P	88	45.4212	160	-0.05	49
IV.SOI.EHZ.	2021-05-15T01:04:08.83	0.3	undecidable	manual	P	136	56.5989	156	-0.17	70
IV.JOPP.HHZ.	2021-05-15T01:04:07.41	0.3	undecidable	manual	P	53	30.3474	166	-0.53	68
IV.MSRU.HHE.	2021-05-15T01:04:07.56	0.1	undecidable	manual	P	203	21.4674	170	-0.16	100
MN.CEL.HHZ.	2021-05-15T01:04:07.57	0.3	undecidable	manual	P	129	32.1456	166	-0.42	70

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.MTTG.HHE.	ML:2.4	0.000123	0.56	AML	other	m	2021-05-15T01:04:14.93
IV.JOPP.HHE.	ML:1.6	0.00002582541	0.08	AML	other	m	2021-05-15T01:04:21.91
MN.CEL.HHE.	ML:2.2	0.00008545	0.48	AML	other	m	2021-05-15T01:04:23.34
MN.CEL.HNE.	ML:2.2	0.000087491505	0.46	AML	other	m	2021-05-15T01:04:23.33
MN.CEL.HHN.	ML:2.0	0.00006025	0.64	AML	other	m	2021-05-15T01:04:23.37
MN.CEL.HNN.	ML:2.1	0.000080428145	0.48	AML	other	m	2021-05-15T01:04:24.03
IV.SOI.EHN.	ML:2.1	0.0000655	1.7	AML	other	m	2021-05-15T01:04:24.98
IV.SOI.EHE.	ML:2.0	0.0000559	0.78	AML	other	m	2021-05-15T01:04:24.66
IV.MTTG.HHN.	ML:2.3	0.0001031	0.48	AML	other	m	2021-05-15T01:04:25.83

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

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

Earthquake with magnitude of ML 2.1 on date 15-05-2021 and time 03:03:48 (Italy) in region Tirreno Meridionale (MARE)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:2.3

ML:2.1