Earthquake Costa Marchigiana Anconetana (Ancona), Magnitude Md 3.1, 3 March 1989 time 23:29:48 (Timezone Italy)

A magnitude Md 3.1 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

03-03-1989 22:29:48 (UTC)
03-03-1989 23:29:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.72, 13.31 at 5 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

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Senigallia	AN	8	45027	45027
Montemarciano	AN	8	9992	55019
Falconara Marittima	AN	12	26565	81584
Chiaravalle	AN	13	14796	96380
Monte San Vito	AN	13	6848	103228
Morro d'Alba	AN	15	1903	105131
Camerata Picena	AN	16	2567	107698
Ostra	AN	17	6875	114573
Trecastelli	AN	17	7625	122198
San Marcello	AN	17	2057	124255
Monsano	AN	17	3405	127660
Mondolfo	PU	18	14277	141937
Belvedere Ostrense	AN	19	2234	144171
Ancona	AN	20	100861	245032
Agugliano	AN	20	4865	249897

Municipalities with at least 50000 inhabitants

An earthquake occurred to

20 Km NW of Ancona (100861 inhabitants)

28 Km SE of Fano (60888 inhabitants)

39 Km SE of Pesaro (94582 inhabitants)

71 Km SE of Rimini (147750 inhabitants)

98 Km NE of Foligno (57155 inhabitants)

98 Km E of Cesena (96758 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	Md 3.1 M 2.9	1989-03-03 22:29:48	43.72	13.31	5	2013-07-15 08:41:04	Bollettino Sismico Italiano INGV	87889

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	1989-03-03 22:29:48 ± 0.15
Latitude	43.72 ± 0.01
Longitude	13.31 ± 0.01
Depth (km)	5 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-VAX
Event type	earthquake
Origin ID	87889

Uncertainty

Field	Value
Preferred uncertainty description	horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter)	1479
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	91
Number of associated phases, regardless of their use for origin computation	41
Number of defining phases	41
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.6
Epicentral distance of station closest to the epicenter (degree)	0.00235
Epicentral distance of station farthest from the epicenter (degree)	0.02606
Number of stations at which the event was observed	24
Number of stations from which data was used for origin computation	24

Magnitudes information

Md:3.1

Field	Value
Value	3.1
Uncertainty
Num. used stations	6
Type of magnitude	Md
Reference to an origin	87889
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2013-01-04 18:22:28

M:2.9

Field	Value
Value	2.9
Uncertainty
Num. used stations
Type of magnitude	M
Reference to an origin	87889
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2015-04-28 09:29:55

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance	Residual	Weight
--.CTI.Z.	1989-03-03T22:31:02.00	10.0	undecidable	manual	SN	334	0.0235	-0.83	0.3
--.LJU.Z.	1989-03-03T22:31:00.20	10.0	undecidable	manual	SN	20	0.0223	0.48	0.4
--.VBY.Z.	1989-03-03T22:30:56.10	10.0	undecidable	manual	SN	37	0.0203	1.62	0.1
--.CEY.Z.	1989-03-03T22:30:52.50	10.0	undecidable	manual	SN	21	0.0195	0.13	0.5
--.TRI.Z.	1989-03-03T22:30:48.34	10.0	undecidable	manual	SN	9	0.0181	-0.38	0.5
--.FVI.Z.	1989-03-03T22:30:35.39	10.0	positive	manual	PN	352	0.0261	-0.16	2.1
--.MNS.Z.	1989-03-03T22:30:33.95	10.0	undecidable	manual	SN	199	0.0126	-0.21	0.6
--.RBL.Z.	1989-03-03T22:30:33.50	10.0	undecidable	manual	PN	3	0.0245	0.3	1
--.CTI.Z.	1989-03-03T22:30:31.60	10.0	undecidable	manual	PN	334	0.0235	0.03	1.1
--.LJU.Z.	1989-03-03T22:30:30.90	10.0	undecidable	manual	PN	20	0.0223	1.12	0.4
--.PGD.Z.	1989-03-03T22:30:28.52	10.0	undecidable	manual	SN	278	0.0104	0.25	0.6
--.VBY.Z.	1989-03-03T22:30:28.10	10.0	undecidable	manual	PN	37	0.0203	1.34	0.3
--.VOY.Z.	1989-03-03T22:30:27.00	10.0	undecidable	manual	PN	10	0.0211	-1	0.5
--.CEY.Z.	1989-03-03T22:30:25.00	10.0	undecidable	manual	PN	21	0.0195	-0.53	1
--.SFI.Z.	1989-03-03T22:30:25.62	10.0	undecidable	manual	SG	280	0.0096	-0.57	0.5
--.SDI.Z.	1989-03-03T22:30:24.61	10.0	undecidable	manual	PN	169	0.0183	0.93	0.7
--.PII.Z.	1989-03-03T22:30:23.30	10.0	undecidable	manual	PN	271	0.0181	-0.33	1.2
--.ALP.Z.	1989-03-03T22:30:23.56	10.0	undecidable	manual	SG	168	0.0085	1.26	0.3
--.TRI.Z.	1989-03-03T22:30:22.44	10.0	undecidable	manual	PN	9	0.0181	-0.99	0.6
--.AZI.Z.	1989-03-03T22:30:20.00	10.0	undecidable	manual	PN	177	0.0155	0.55	1.2
--.ASS.Z.	1989-03-03T22:30:17.52	10.0	undecidable	manual	SG	216	0.0072	-0.19	0.6
--.MNS.Z.	1989-03-03T22:30:15.57	10.0	undecidable	manual	PN	199	0.0126	0.55	1.3
--.RSM.Z.	1989-03-03T22:30:13.50	10.0	undecidable	manual	SG	289	0.0059	0.22	0.6
--.PGD.Z.	1989-03-03T22:30:11.95	10.0	undecidable	manual	PN	278	0.0104	0.33	1.5
--.CM8.Z.	1989-03-03T22:30:10.50	10.0	undecidable	manual	SG	193	0.0048	1.63	0.1
--.SFI.Z.	1989-03-03T22:30:10.70	10.0	undecidable	manual	PG	280	0.0096	0.28	1.6
--.CIO.Z.	1989-03-03T22:30:10.49	10.0	undecidable	manual	SG	193	0.0048	1.62	0.1
--.CRE.Z.	1989-03-03T22:30:08.66	10.0	undecidable	manual	PG	265	0.0088	-0.2	1.6
--.ALP.Z.	1989-03-03T22:30:06.68	10.0	undecidable	manual	PG	168	0.0085	-1.49	0.3
--.SSO.Z.	1989-03-03T22:30:06.61	10.0	undecidable	manual	SG	169	0.0038	1.16	0.3
--.ASS.Z.	1989-03-03T22:30:04.82	10.0	positive	manual	PG	216	0.0072	-0.7	2.3
--.RSM.Z.	1989-03-03T22:30:03.21	10.0	positive	manual	PG	289	0.0059	0.51	2.7
--.ARV.Z.	1989-03-03T22:30:02.61	10.0	undecidable	manual	SG	231	0.0031	0.42	0.6
--.AM8.Z.	1989-03-03T22:29:59.70	10.0	undecidable	manual	SG	128	0.0023	0.41	0.9
--.CIO.Z.	1989-03-03T22:29:59.46	10.0	negative	manual	PG	193	0.0048	-0.96	1.6
--.CM8.Z.	1989-03-03T22:29:59.50	10.0	undecidable	manual	PG	193	0.0048	-0.92	1.7
--.AOI.Z.	1989-03-03T22:29:59.70	10.0	undecidable	manual	SG	128	0.0023	0.41	0.9
--.SSO.Z.	1989-03-03T22:29:57.64	10.0	undecidable	manual	PG	169	0.0038	-0.8	1
--.ARV.Z.	1989-03-03T22:29:56.67	10.0	negative	manual	PG	231	0.0031	0.11	3.3
--.AOI.Z.	1989-03-03T22:29:54.20	10.0	positive	manual	PG	128	0.0023	-0.86	0
--.AM8.Z.	1989-03-03T22:29:54.00	10.0	undecidable	manual	PG	128	0.0023	-0.88	1.8

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Focal Mechanism 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

Earthquake with magnitude of Md 3.1 on date 03-03-1989 and time 23:29:48 (Italy) in region Costa Marchigiana Anconetana (Ancona)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

Md:3.1

M:2.9